# Samples: 877890
#
# Overhead   Command         Shared Object  Symbol
# ........  ........  ....................  ......
#
    38.39%  postgres  ./pg9.2/bin/postgres  [.] tas
                |          
                |--99.62%-- s_lock
                |          |          
                |          |--53.31%-- UnpinBuffer
                |          |          ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--46.56%-- PinBuffer
                |          |          BufferAlloc
                |          |          ReadBuffer_common
                |          |          ReadBufferExtended
                |          |          ReadBuffer
                |          |          |          
                |          |          |--99.91%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.09%-- [...]
                |           --0.14%-- [...]
                 --0.38%-- [...]

     6.96%  postgres  ./pg9.2/bin/postgres  [.] PinBuffer
                |          
                |--99.84%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--99.90%-- ReadBuffer
                |          |          |          
                |          |          |--82.96%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --17.04%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.96%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                      --0.04%-- [...]
                |           --0.10%-- [...]
                 --0.16%-- [...]

     6.14%  postgres  ./pg9.2/bin/postgres  [.] tas
                |          
                |--54.76%-- PinBuffer
                |          BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--99.96%-- ReadBuffer
                |          |          |          
                |          |          |--60.85%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --39.15%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.98%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                      --0.02%-- [...]
                |           --0.04%-- [...]
                |          
                |--37.96%-- UnpinBuffer
                |          |          
                |          |--98.95%-- ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --1.05%-- ReleaseBuffer
                |                     |          
                |                     |--94.39%-- UnlockReleaseBuffer
                |                     |          _bt_relbuf
                |                     |          _bt_steppage
                |                     |          _bt_next
                |                     |          btgettuple
                |                     |          FunctionCall2Coll
                |                     |          index_getnext_tid
                |                     |          IndexOnlyNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecIndexOnlyScan
                |                     |          ExecProcNode
                |                     |          ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                      --5.61%-- ExecStoreTuple
                |                                SeqNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecSeqScan
                |                                ExecProcNode
                |                                ExecLimit
                |                                ExecProcNode
                |                                SubqueryNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecSubqueryScan
                |                                ExecProcNode
                |                                ExecSort
                |                                ExecProcNode
                |                                ExecutePlan
                |                                standard_ExecutorRun
                |                                ExecutorRun
                |                                ExecCreateTableAs
                |                                standard_ProcessUtility
                |                                ProcessUtility
                |                                PortalRunUtility
                |                                PortalRunMulti
                |                                PortalRun
                |                                exec_simple_query
                |                                PostgresMain
                |                                BackendRun
                |                                BackendStartup
                |                                ServerLoop
                |                                PostmasterMain
                |                                main
                |                                __libc_start_main
                |          
                |--6.53%-- FlushRelationBuffers
                |          heap_sync
                |          intorel_shutdown
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.75%-- [...]

     5.52%  postgres  ./pg9.2/bin/postgres  [.] tas
                |          
                |--53.64%-- LWLockRelease
                |          |          
                |          |--83.96%-- BufferAlloc
                |          |          ReadBuffer_common
                |          |          ReadBufferExtended
                |          |          |          
                |          |          |--99.60%-- ReadBuffer
                |          |          |          |          
                |          |          |          |--93.71%-- ReleaseAndReadBuffer
                |          |          |          |          _bt_relandgetbuf
                |          |          |          |          _bt_search
                |          |          |          |          _bt_first
                |          |          |          |          btgettuple
                |          |          |          |          FunctionCall2Coll
                |          |          |          |          index_getnext_tid
                |          |          |          |          IndexOnlyNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecIndexOnlyScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecScanSubPlan
                |          |          |          |          ExecSubPlan
                |          |          |          |          ExecTargetList
                |          |          |          |          ExecProject
                |          |          |          |          ExecScan
                |          |          |          |          ExecSeqScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecLimit
                |          |          |          |          ExecProcNode
                |          |          |          |          SubqueryNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecSubqueryScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecSort
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecutePlan
                |          |          |          |          standard_ExecutorRun
                |          |          |          |          ExecutorRun
                |          |          |          |          ExecCreateTableAs
                |          |          |          |          standard_ProcessUtility
                |          |          |          |          ProcessUtility
                |          |          |          |          PortalRunUtility
                |          |          |          |          PortalRunMulti
                |          |          |          |          PortalRun
                |          |          |          |          exec_simple_query
                |          |          |          |          PostgresMain
                |          |          |          |          BackendRun
                |          |          |          |          BackendStartup
                |          |          |          |          ServerLoop
                |          |          |          |          PostmasterMain
                |          |          |          |          main
                |          |          |          |          __libc_start_main
                |          |          |          |          
                |          |          |           --6.29%-- _bt_getbuf
                |          |          |                     |          
                |          |          |                     |--99.20%-- _bt_getroot
                |          |          |                     |          _bt_search
                |          |          |                     |          _bt_first
                |          |          |                     |          btgettuple
                |          |          |                     |          FunctionCall2Coll
                |          |          |                     |          index_getnext_tid
                |          |          |                     |          IndexOnlyNext
                |          |          |                     |          ExecScanFetch
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecIndexOnlyScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecScanSubPlan
                |          |          |                     |          ExecSubPlan
                |          |          |                     |          ExecTargetList
                |          |          |                     |          ExecProject
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecSeqScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecLimit
                |          |          |                     |          ExecProcNode
                |          |          |                     |          SubqueryNext
                |          |          |                     |          ExecScanFetch
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecSubqueryScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecSort
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecutePlan
                |          |          |                     |          standard_ExecutorRun
                |          |          |                     |          ExecutorRun
                |          |          |                     |          ExecCreateTableAs
                |          |          |                     |          standard_ProcessUtility
                |          |          |                     |          ProcessUtility
                |          |          |                     |          PortalRunUtility
                |          |          |                     |          PortalRunMulti
                |          |          |                     |          PortalRun
                |          |          |                     |          exec_simple_query
                |          |          |                     |          PostgresMain
                |          |          |                     |          BackendRun
                |          |          |                     |          BackendStartup
                |          |          |                     |          ServerLoop
                |          |          |                     |          PostmasterMain
                |          |          |                     |          main
                |          |          |                     |          __libc_start_main
                |          |          |                     |          
                |          |          |                      --0.80%-- _bt_steppage
                |          |          |                                |          
                |          |          |                                |--72.73%-- _bt_next
                |          |          |                                |          btgettuple
                |          |          |                                |          FunctionCall2Coll
                |          |          |                                |          index_getnext_tid
                |          |          |                                |          IndexOnlyNext
                |          |          |                                |          ExecScanFetch
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecIndexOnlyScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecScanSubPlan
                |          |          |                                |          ExecSubPlan
                |          |          |                                |          ExecTargetList
                |          |          |                                |          ExecProject
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecSeqScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecLimit
                |          |          |                                |          ExecProcNode
                |          |          |                                |          SubqueryNext
                |          |          |                                |          ExecScanFetch
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecSubqueryScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecSort
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecutePlan
                |          |          |                                |          standard_ExecutorRun
                |          |          |                                |          ExecutorRun
                |          |          |                                |          ExecCreateTableAs
                |          |          |                                |          standard_ProcessUtility
                |          |          |                                |          ProcessUtility
                |          |          |                                |          PortalRunUtility
                |          |          |                                |          PortalRunMulti
                |          |          |                                |          PortalRun
                |          |          |                                |          exec_simple_query
                |          |          |                                |          PostgresMain
                |          |          |                                |          BackendRun
                |          |          |                                |          BackendStartup
                |          |          |                                |          ServerLoop
                |          |          |                                |          PostmasterMain
                |          |          |                                |          main
                |          |          |                                |          __libc_start_main
                |          |          |                                |          
                |          |          |                                 --27.27%-- _bt_first
                |          |          |                                           btgettuple
                |          |          |                                           FunctionCall2Coll
                |          |          |                                           index_getnext_tid
                |          |          |                                           IndexOnlyNext
                |          |          |                                           ExecScanFetch
                |          |          |                                           ExecScan
                |          |          |                                           ExecIndexOnlyScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecScanSubPlan
                |          |          |                                           ExecSubPlan
                |          |          |                                           ExecTargetList
                |          |          |                                           ExecProject
                |          |          |                                           ExecScan
                |          |          |                                           ExecSeqScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecLimit
                |          |          |                                           ExecProcNode
                |          |          |                                           SubqueryNext
                |          |          |                                           ExecScanFetch
                |          |          |                                           ExecScan
                |          |          |                                           ExecSubqueryScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecSort
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecutePlan
                |          |          |                                           standard_ExecutorRun
                |          |          |                                           ExecutorRun
                |          |          |                                           ExecCreateTableAs
                |          |          |                                           standard_ProcessUtility
                |          |          |                                           ProcessUtility
                |          |          |                                           PortalRunUtility
                |          |          |                                           PortalRunMulti
                |          |          |                                           PortalRun
                |          |          |                                           exec_simple_query
                |          |          |                                           PostgresMain
                |          |          |                                           BackendRun
                |          |          |                                           BackendStartup
                |          |          |                                           ServerLoop
                |          |          |                                           PostmasterMain
                |          |          |                                           main
                |          |          |                                           __libc_start_main
                |          |           --0.40%-- [...]
                |          |          
                |          |--15.99%-- LockBuffer
                |          |          |          
                |          |          |--89.56%-- _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |          |--5.22%-- UnlockReleaseBuffer
                |          |          |          |          
                |          |          |          |--95.85%-- _bt_relbuf
                |          |          |          |          _bt_steppage
                |          |          |          |          _bt_next
                |          |          |          |          btgettuple
                |          |          |          |          FunctionCall2Coll
                |          |          |          |          index_getnext_tid
                |          |          |          |          IndexOnlyNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecIndexOnlyScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecScanSubPlan
                |          |          |          |          ExecSubPlan
                |          |          |          |          ExecTargetList
                |          |          |          |          ExecProject
                |          |          |          |          ExecScan
                |          |          |          |          ExecSeqScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecLimit
                |          |          |          |          ExecProcNode
                |          |          |          |          SubqueryNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecSubqueryScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecSort
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecutePlan
                |          |          |          |          standard_ExecutorRun
                |          |          |          |          ExecutorRun
                |          |          |          |          ExecCreateTableAs
                |          |          |          |          standard_ProcessUtility
                |          |          |          |          ProcessUtility
                |          |          |          |          PortalRunUtility
                |          |          |          |          PortalRunMulti
                |          |          |          |          PortalRun
                |          |          |          |          exec_simple_query
                |          |          |          |          PostgresMain
                |          |          |          |          BackendRun
                |          |          |          |          BackendStartup
                |          |          |          |          ServerLoop
                |          |          |          |          PostmasterMain
                |          |          |          |          main
                |          |          |          |          __libc_start_main
                |          |          |          |          
                |          |          |           --4.15%-- heap_insert
                |          |          |                     intorel_receive
                |          |          |                     ExecutePlan
                |          |          |                     standard_ExecutorRun
                |          |          |                     ExecutorRun
                |          |          |                     ExecCreateTableAs
                |          |          |                     standard_ProcessUtility
                |          |          |                     ProcessUtility
                |          |          |                     PortalRunUtility
                |          |          |                     PortalRunMulti
                |          |          |                     PortalRun
                |          |          |                     exec_simple_query
                |          |          |                     PostgresMain
                |          |          |                     BackendRun
                |          |          |                     BackendStartup
                |          |          |                     ServerLoop
                |          |          |                     PostmasterMain
                |          |          |                     main
                |          |          |                     __libc_start_main
                |          |          |          
                |          |          |--4.98%-- _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.24%-- [...]
                |           --0.04%-- [...]
                |          
                |--45.37%-- LWLockAcquire
                |          |          
                |          |--63.02%-- BufferAlloc
                |          |          ReadBuffer_common
                |          |          ReadBufferExtended
                |          |          |          
                |          |          |--98.43%-- ReadBuffer
                |          |          |          |          
                |          |          |          |--77.02%-- ReleaseAndReadBuffer
                |          |          |          |          _bt_relandgetbuf
                |          |          |          |          _bt_search
                |          |          |          |          _bt_first
                |          |          |          |          btgettuple
                |          |          |          |          FunctionCall2Coll
                |          |          |          |          index_getnext_tid
                |          |          |          |          IndexOnlyNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecIndexOnlyScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecScanSubPlan
                |          |          |          |          ExecSubPlan
                |          |          |          |          ExecTargetList
                |          |          |          |          ExecProject
                |          |          |          |          ExecScan
                |          |          |          |          ExecSeqScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecLimit
                |          |          |          |          ExecProcNode
                |          |          |          |          SubqueryNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecSubqueryScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecSort
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecutePlan
                |          |          |          |          standard_ExecutorRun
                |          |          |          |          ExecutorRun
                |          |          |          |          ExecCreateTableAs
                |          |          |          |          standard_ProcessUtility
                |          |          |          |          ProcessUtility
                |          |          |          |          PortalRunUtility
                |          |          |          |          PortalRunMulti
                |          |          |          |          PortalRun
                |          |          |          |          exec_simple_query
                |          |          |          |          PostgresMain
                |          |          |          |          BackendRun
                |          |          |          |          BackendStartup
                |          |          |          |          ServerLoop
                |          |          |          |          PostmasterMain
                |          |          |          |          main
                |          |          |          |          __libc_start_main
                |          |          |          |          
                |          |          |           --22.98%-- _bt_getbuf
                |          |          |                     |          
                |          |          |                     |--99.20%-- _bt_getroot
                |          |          |                     |          _bt_search
                |          |          |                     |          _bt_first
                |          |          |                     |          btgettuple
                |          |          |                     |          FunctionCall2Coll
                |          |          |                     |          index_getnext_tid
                |          |          |                     |          IndexOnlyNext
                |          |          |                     |          ExecScanFetch
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecIndexOnlyScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecScanSubPlan
                |          |          |                     |          ExecSubPlan
                |          |          |                     |          ExecTargetList
                |          |          |                     |          ExecProject
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecSeqScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecLimit
                |          |          |                     |          ExecProcNode
                |          |          |                     |          SubqueryNext
                |          |          |                     |          ExecScanFetch
                |          |          |                     |          ExecScan
                |          |          |                     |          ExecSubqueryScan
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecSort
                |          |          |                     |          ExecProcNode
                |          |          |                     |          ExecutePlan
                |          |          |                     |          standard_ExecutorRun
                |          |          |                     |          ExecutorRun
                |          |          |                     |          ExecCreateTableAs
                |          |          |                     |          standard_ProcessUtility
                |          |          |                     |          ProcessUtility
                |          |          |                     |          PortalRunUtility
                |          |          |                     |          PortalRunMulti
                |          |          |                     |          PortalRun
                |          |          |                     |          exec_simple_query
                |          |          |                     |          PostgresMain
                |          |          |                     |          BackendRun
                |          |          |                     |          BackendStartup
                |          |          |                     |          ServerLoop
                |          |          |                     |          PostmasterMain
                |          |          |                     |          main
                |          |          |                     |          __libc_start_main
                |          |          |                     |          
                |          |          |                      --0.80%-- _bt_steppage
                |          |          |                                |          
                |          |          |                                |--56.00%-- _bt_next
                |          |          |                                |          btgettuple
                |          |          |                                |          FunctionCall2Coll
                |          |          |                                |          index_getnext_tid
                |          |          |                                |          IndexOnlyNext
                |          |          |                                |          ExecScanFetch
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecIndexOnlyScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecScanSubPlan
                |          |          |                                |          ExecSubPlan
                |          |          |                                |          ExecTargetList
                |          |          |                                |          ExecProject
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecSeqScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecLimit
                |          |          |                                |          ExecProcNode
                |          |          |                                |          SubqueryNext
                |          |          |                                |          ExecScanFetch
                |          |          |                                |          ExecScan
                |          |          |                                |          ExecSubqueryScan
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecSort
                |          |          |                                |          ExecProcNode
                |          |          |                                |          ExecutePlan
                |          |          |                                |          standard_ExecutorRun
                |          |          |                                |          ExecutorRun
                |          |          |                                |          ExecCreateTableAs
                |          |          |                                |          standard_ProcessUtility
                |          |          |                                |          ProcessUtility
                |          |          |                                |          PortalRunUtility
                |          |          |                                |          PortalRunMulti
                |          |          |                                |          PortalRun
                |          |          |                                |          exec_simple_query
                |          |          |                                |          PostgresMain
                |          |          |                                |          BackendRun
                |          |          |                                |          BackendStartup
                |          |          |                                |          ServerLoop
                |          |          |                                |          PostmasterMain
                |          |          |                                |          main
                |          |          |                                |          __libc_start_main
                |          |          |                                |          
                |          |          |                                 --44.00%-- _bt_first
                |          |          |                                           btgettuple
                |          |          |                                           FunctionCall2Coll
                |          |          |                                           index_getnext_tid
                |          |          |                                           IndexOnlyNext
                |          |          |                                           ExecScanFetch
                |          |          |                                           ExecScan
                |          |          |                                           ExecIndexOnlyScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecScanSubPlan
                |          |          |                                           ExecSubPlan
                |          |          |                                           ExecTargetList
                |          |          |                                           ExecProject
                |          |          |                                           ExecScan
                |          |          |                                           ExecSeqScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecLimit
                |          |          |                                           ExecProcNode
                |          |          |                                           SubqueryNext
                |          |          |                                           ExecScanFetch
                |          |          |                                           ExecScan
                |          |          |                                           ExecSubqueryScan
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecSort
                |          |          |                                           ExecProcNode
                |          |          |                                           ExecutePlan
                |          |          |                                           standard_ExecutorRun
                |          |          |                                           ExecutorRun
                |          |          |                                           ExecCreateTableAs
                |          |          |                                           standard_ProcessUtility
                |          |          |                                           ProcessUtility
                |          |          |                                           PortalRunUtility
                |          |          |                                           PortalRunMulti
                |          |          |                                           PortalRun
                |          |          |                                           exec_simple_query
                |          |          |                                           PostgresMain
                |          |          |                                           BackendRun
                |          |          |                                           BackendStartup
                |          |          |                                           ServerLoop
                |          |          |                                           PostmasterMain
                |          |          |                                           main
                |          |          |                                           __libc_start_main
                |          |          |          
                |          |          |--1.48%-- heapgetpage
                |          |          |          heapgettup_pagemode
                |          |          |          heap_getnext
                |          |          |          SeqNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.09%-- [...]
                |          |          
                |          |--36.91%-- LockBuffer
                |          |          |          
                |          |          |--58.65%-- _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |          |--38.10%-- _bt_getbuf
                |          |          |          |          
                |          |          |          |--99.94%-- _bt_getroot
                |          |          |          |          _bt_search
                |          |          |          |          _bt_first
                |          |          |          |          btgettuple
                |          |          |          |          FunctionCall2Coll
                |          |          |          |          index_getnext_tid
                |          |          |          |          IndexOnlyNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecIndexOnlyScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecScanSubPlan
                |          |          |          |          ExecSubPlan
                |          |          |          |          ExecTargetList
                |          |          |          |          ExecProject
                |          |          |          |          ExecScan
                |          |          |          |          ExecSeqScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecLimit
                |          |          |          |          ExecProcNode
                |          |          |          |          SubqueryNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecSubqueryScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecSort
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecutePlan
                |          |          |          |          standard_ExecutorRun
                |          |          |          |          ExecutorRun
                |          |          |          |          ExecCreateTableAs
                |          |          |          |          standard_ProcessUtility
                |          |          |          |          ProcessUtility
                |          |          |          |          PortalRunUtility
                |          |          |          |          PortalRunMulti
                |          |          |          |          PortalRun
                |          |          |          |          exec_simple_query
                |          |          |          |          PostgresMain
                |          |          |          |          BackendRun
                |          |          |          |          BackendStartup
                |          |          |          |          ServerLoop
                |          |          |          |          PostmasterMain
                |          |          |          |          main
                |          |          |          |          __libc_start_main
                |          |          |           --0.06%-- [...]
                |          |          |          
                |          |          |--2.43%-- _bt_next
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |          |--0.71%-- heapgetpage
                |          |          |          heapgettup_pagemode
                |          |          |          heap_getnext
                |          |          |          SeqNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.10%-- [...]
                |           --0.07%-- [...]
                |          
                |--0.63%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--99.02%-- ReadBuffer
                |          |          |          
                |          |          |--89.14%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --10.86%-- _bt_getbuf
                |          |                     _bt_getroot
                |          |                     _bt_search
                |          |                     _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --0.98%-- heapgetpage
                |                     heapgettup_pagemode
                |                     heap_getnext
                |                     SeqNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                 --0.35%-- [...]

     5.06%  postgres  ./pg9.2/bin/postgres  [.] slot_deform_tuple
                |          
                |--99.96%-- slot_getsomeattrs
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.04%-- [...]

     4.15%  postgres  ./pg9.2/bin/postgres  [.] BufferAlloc
                |          
                |--99.85%-- ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--99.93%-- ReadBuffer
                |          |          |          
                |          |          |--98.92%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --1.08%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.75%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                      --0.25%-- [...]
                |           --0.07%-- [...]
                 --0.15%-- [...]

     4.14%  postgres  ./pg9.2/bin/postgres  [.] UnpinBuffer
                |          
                |--99.02%-- ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.65%-- ReleaseBuffer
                |          |          
                |          |--88.14%-- UnlockReleaseBuffer
                |          |          _bt_relbuf
                |          |          _bt_steppage
                |          |          |          
                |          |          |--99.52%-- _bt_next
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.48%-- [...]
                |          |          
                |          |--11.44%-- ExecStoreTuple
                |          |          SeqNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.42%-- [...]
                 --0.33%-- [...]

     3.93%  postgres  ./pg9.2/bin/postgres  [.] ExecProject
                |          
                |--99.84%-- ExecScan
                |          |          
                |          |--97.69%-- ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --2.31%-- ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                 --0.16%-- [...]

     3.51%  postgres  ./pg9.2/bin/postgres  [.] LockBuffer
                |          
                |--94.03%-- _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--3.00%-- _bt_getbuf
                |          |          
                |          |--99.57%-- _bt_getroot
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.43%-- [...]
                |          
                |--0.86%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.76%-- UnlockReleaseBuffer
                |          |          
                |          |--98.72%-- _bt_relbuf
                |          |          _bt_steppage
                |          |          _bt_next
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --1.28%-- heap_insert
                |                     intorel_receive
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--0.71%-- _bt_next
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.64%-- [...]

     2.92%  postgres  ./pg9.2/bin/postgres  [.] _bt_compare
                |          
                |--88.97%-- _bt_binsrch
                |          |          
                |          |--67.83%-- _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --32.17%-- _bt_first
                |                     btgettuple
                |                     FunctionCall2Coll
                |                     index_getnext_tid
                |                     IndexOnlyNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--8.19%-- _bt_moveright
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.02%-- _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.83%-- _bt_first
                           btgettuple
                           FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     1.87%  postgres  ./pg9.2/bin/postgres  [.] ReadBuffer_common
                |          
                |--99.12%-- ReadBufferExtended
                |          |          
                |          |--99.90%-- ReadBuffer
                |          |          |          
                |          |          |--53.51%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --46.49%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.96%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                      --0.04%-- [...]
                |           --0.10%-- [...]
                |          
                 --0.88%-- ReadBuffer
                           |          
                           |--88.19%-- ReleaseAndReadBuffer
                           |          _bt_relandgetbuf
                           |          _bt_search
                           |          _bt_first
                           |          btgettuple
                           |          FunctionCall2Coll
                           |          index_getnext_tid
                           |          IndexOnlyNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecIndexOnlyScan
                           |          ExecProcNode
                           |          ExecScanSubPlan
                           |          ExecSubPlan
                           |          ExecTargetList
                           |          ExecProject
                           |          ExecScan
                           |          ExecSeqScan
                           |          ExecProcNode
                           |          ExecLimit
                           |          ExecProcNode
                           |          SubqueryNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecSubqueryScan
                           |          ExecProcNode
                           |          ExecSort
                           |          ExecProcNode
                           |          ExecutePlan
                           |          standard_ExecutorRun
                           |          ExecutorRun
                           |          ExecCreateTableAs
                           |          standard_ProcessUtility
                           |          ProcessUtility
                           |          PortalRunUtility
                           |          PortalRunMulti
                           |          PortalRun
                           |          exec_simple_query
                           |          PostgresMain
                           |          BackendRun
                           |          BackendStartup
                           |          ServerLoop
                           |          PostmasterMain
                           |          main
                           |          __libc_start_main
                           |          
                            --11.81%-- _bt_getbuf
                                      _bt_getroot
                                      _bt_search
                                      _bt_first
                                      btgettuple
                                      FunctionCall2Coll
                                      index_getnext_tid
                                      IndexOnlyNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecIndexOnlyScan
                                      ExecProcNode
                                      ExecScanSubPlan
                                      ExecSubPlan
                                      ExecTargetList
                                      ExecProject
                                      ExecScan
                                      ExecSeqScan
                                      ExecProcNode
                                      ExecLimit
                                      ExecProcNode
                                      SubqueryNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecSubqueryScan
                                      ExecProcNode
                                      ExecSort
                                      ExecProcNode
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     1.36%  postgres  ./pg9.2/bin/postgres  [.] ReleaseAndReadBuffer
                |          
                |--99.25%-- _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.75%-- _bt_search
                           _bt_first
                           btgettuple
                           FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     1.24%  postgres  ./pg9.2/bin/postgres  [.] BufferGetBlockNumber
                |          
                |--95.81%-- _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.07%-- visibilitymap_test
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--1.68%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.44%-- [...]

     1.07%  postgres  ./pg9.2/bin/postgres  [.] spin_delay
                |          
                |--55.92%-- s_lock
                |          |          
                |          |--51.16%-- UnpinBuffer
                |          |          ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--48.65%-- PinBuffer
                |          |          BufferAlloc
                |          |          ReadBuffer_common
                |          |          ReadBufferExtended
                |          |          ReadBuffer
                |          |          |          
                |          |          |--99.77%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.23%-- [...]
                |           --0.19%-- [...]
                |          
                |--22.24%-- UnpinBuffer
                |          ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--21.71%-- PinBuffer
                |          BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          ReadBuffer
                |          |          
                |          |--99.95%-- ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.05%-- [...]
                 --0.13%-- [...]

     0.95%  postgres  ./pg9.2/bin/postgres  [.] s_lock
                |          
                |--50.43%-- UnpinBuffer
                |          ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--48.33%-- PinBuffer
                |          BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          ReadBuffer
                |          |          
                |          |--99.85%-- ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.15%-- [...]
                |          
                |--0.60%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          ReadBuffer
                |          ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.64%-- [...]

     0.72%  postgres  ./pg9.2/bin/postgres  [.] _bt_binsrch
                |          
                |--68.83%-- _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--30.93%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.24%-- [...]

     0.46%  postgres  ./pg9.2/bin/postgres  [.] FunctionCall2Coll
                |          
                |--77.72%-- _bt_compare
                |          |          
                |          |--91.89%-- _bt_binsrch
                |          |          |          
                |          |          |--69.36%-- _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --30.64%-- _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --8.11%-- _bt_moveright
                |                     _bt_search
                |                     _bt_first
                |                     btgettuple
                |                     FunctionCall2Coll
                |                     index_getnext_tid
                |                     IndexOnlyNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--7.45%-- _bt_checkkeys
                |          _bt_readpage
                |          |          
                |          |--99.33%-- _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --0.67%-- _bt_steppage
                |                     |          
                |                     |--50.00%-- _bt_first
                |                     |          btgettuple
                |                     |          FunctionCall2Coll
                |                     |          index_getnext_tid
                |                     |          IndexOnlyNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecIndexOnlyScan
                |                     |          ExecProcNode
                |                     |          ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                      --50.00%-- _bt_next
                |                                btgettuple
                |                                FunctionCall2Coll
                |                                index_getnext_tid
                |                                IndexOnlyNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecIndexOnlyScan
                |                                ExecProcNode
                |                                ExecScanSubPlan
                |                                ExecSubPlan
                |                                ExecTargetList
                |                                ExecProject
                |                                ExecScan
                |                                ExecSeqScan
                |                                ExecProcNode
                |                                ExecLimit
                |                                ExecProcNode
                |                                SubqueryNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecSubqueryScan
                |                                ExecProcNode
                |                                ExecSort
                |                                ExecProcNode
                |                                ExecutePlan
                |                                standard_ExecutorRun
                |                                ExecutorRun
                |                                ExecCreateTableAs
                |                                standard_ProcessUtility
                |                                ProcessUtility
                |                                PortalRunUtility
                |                                PortalRunMulti
                |                                PortalRun
                |                                exec_simple_query
                |                                PostgresMain
                |                                BackendRun
                |                                BackendStartup
                |                                ServerLoop
                |                                PostmasterMain
                |                                main
                |                                __libc_start_main
                |          
                |--7.05%-- index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--5.76%-- _bt_binsrch
                |          |          
                |          |--76.62%-- _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --23.38%-- _bt_first
                |                     btgettuple
                |                     FunctionCall2Coll
                |                     index_getnext_tid
                |                     IndexOnlyNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--0.92%-- _bt_moveright
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.57%-- _bt_readpage
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.52%-- IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.43%  postgres  ./pg9.2/bin/postgres  [.] btint8cmp
                |          
                |--82.55%-- FunctionCall2Coll
                |          _bt_compare
                |          |          
                |          |--93.36%-- _bt_binsrch
                |          |          |          
                |          |          |--67.87%-- _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --32.13%-- _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --6.64%-- _bt_moveright
                |                     _bt_search
                |                     _bt_first
                |                     btgettuple
                |                     FunctionCall2Coll
                |                     index_getnext_tid
                |                     IndexOnlyNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                 --17.45%-- _bt_compare
                           |          
                           |--94.97%-- _bt_binsrch
                           |          |          
                           |          |--63.08%-- _bt_search
                           |          |          _bt_first
                           |          |          btgettuple
                           |          |          FunctionCall2Coll
                           |          |          index_getnext_tid
                           |          |          IndexOnlyNext
                           |          |          ExecScanFetch
                           |          |          ExecScan
                           |          |          ExecIndexOnlyScan
                           |          |          ExecProcNode
                           |          |          ExecScanSubPlan
                           |          |          ExecSubPlan
                           |          |          ExecTargetList
                           |          |          ExecProject
                           |          |          ExecScan
                           |          |          ExecSeqScan
                           |          |          ExecProcNode
                           |          |          ExecLimit
                           |          |          ExecProcNode
                           |          |          SubqueryNext
                           |          |          ExecScanFetch
                           |          |          ExecScan
                           |          |          ExecSubqueryScan
                           |          |          ExecProcNode
                           |          |          ExecSort
                           |          |          ExecProcNode
                           |          |          ExecutePlan
                           |          |          standard_ExecutorRun
                           |          |          ExecutorRun
                           |          |          ExecCreateTableAs
                           |          |          standard_ProcessUtility
                           |          |          ProcessUtility
                           |          |          PortalRunUtility
                           |          |          PortalRunMulti
                           |          |          PortalRun
                           |          |          exec_simple_query
                           |          |          PostgresMain
                           |          |          BackendRun
                           |          |          BackendStartup
                           |          |          ServerLoop
                           |          |          PostmasterMain
                           |          |          main
                           |          |          __libc_start_main
                           |          |          
                           |           --36.92%-- _bt_first
                           |                     btgettuple
                           |                     FunctionCall2Coll
                           |                     index_getnext_tid
                           |                     IndexOnlyNext
                           |                     ExecScanFetch
                           |                     ExecScan
                           |                     ExecIndexOnlyScan
                           |                     ExecProcNode
                           |                     ExecScanSubPlan
                           |                     ExecSubPlan
                           |                     ExecTargetList
                           |                     ExecProject
                           |                     ExecScan
                           |                     ExecSeqScan
                           |                     ExecProcNode
                           |                     ExecLimit
                           |                     ExecProcNode
                           |                     SubqueryNext
                           |                     ExecScanFetch
                           |                     ExecScan
                           |                     ExecSubqueryScan
                           |                     ExecProcNode
                           |                     ExecSort
                           |                     ExecProcNode
                           |                     ExecutePlan
                           |                     standard_ExecutorRun
                           |                     ExecutorRun
                           |                     ExecCreateTableAs
                           |                     standard_ProcessUtility
                           |                     ProcessUtility
                           |                     PortalRunUtility
                           |                     PortalRunMulti
                           |                     PortalRun
                           |                     exec_simple_query
                           |                     PostgresMain
                           |                     BackendRun
                           |                     BackendStartup
                           |                     ServerLoop
                           |                     PostmasterMain
                           |                     main
                           |                     __libc_start_main
                           |          
                            --5.03%-- _bt_moveright
                                      _bt_search
                                      _bt_first
                                      btgettuple
                                      FunctionCall2Coll
                                      index_getnext_tid
                                      IndexOnlyNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecIndexOnlyScan
                                      ExecProcNode
                                      ExecScanSubPlan
                                      ExecSubPlan
                                      ExecTargetList
                                      ExecProject
                                      ExecScan
                                      ExecSeqScan
                                      ExecProcNode
                                      ExecLimit
                                      ExecProcNode
                                      SubqueryNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecSubqueryScan
                                      ExecProcNode
                                      ExecSort
                                      ExecProcNode
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     0.42%  postgres  ./pg9.2/bin/postgres  [.] slot_getsomeattrs
                |          
                |--99.23%-- ExecProject
                |          ExecScan
                |          |          
                |          |--96.78%-- ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --3.22%-- ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                 --0.77%-- ExecScan
                           |          
                           |--50.00%-- ExecSeqScan
                           |          ExecProcNode
                           |          ExecLimit
                           |          ExecProcNode
                           |          SubqueryNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecSubqueryScan
                           |          ExecProcNode
                           |          ExecSort
                           |          ExecProcNode
                           |          ExecutePlan
                           |          standard_ExecutorRun
                           |          ExecutorRun
                           |          ExecCreateTableAs
                           |          standard_ProcessUtility
                           |          ProcessUtility
                           |          PortalRunUtility
                           |          PortalRunMulti
                           |          PortalRun
                           |          exec_simple_query
                           |          PostgresMain
                           |          BackendRun
                           |          BackendStartup
                           |          ServerLoop
                           |          PostmasterMain
                           |          main
                           |          __libc_start_main
                           |          
                            --50.00%-- ExecIndexOnlyScan
                                      ExecProcNode
                                      ExecScanSubPlan
                                      ExecSubPlan
                                      ExecTargetList
                                      ExecProject
                                      ExecScan
                                      ExecSeqScan
                                      ExecProcNode
                                      ExecLimit
                                      ExecProcNode
                                      SubqueryNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecSubqueryScan
                                      ExecProcNode
                                      ExecSort
                                      ExecProcNode
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     0.36%  postgres  ./pg9.2/bin/postgres  [.] hash_search_with_hash_value
                |          
                |--95.61%-- BufTableLookup
                |          BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--79.67%-- ReadBuffer
                |          |          |          
                |          |          |--76.75%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --23.25%-- _bt_getbuf
                |          |                     |          
                |          |                     |--92.74%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                     |          
                |          |                      --7.26%-- _bt_steppage
                |          |                                |          
                |          |                                |--95.12%-- _bt_next
                |          |                                |          btgettuple
                |          |                                |          FunctionCall2Coll
                |          |                                |          index_getnext_tid
                |          |                                |          IndexOnlyNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecIndexOnlyScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecScanSubPlan
                |          |                                |          ExecSubPlan
                |          |                                |          ExecTargetList
                |          |                                |          ExecProject
                |          |                                |          ExecScan
                |          |                                |          ExecSeqScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecLimit
                |          |                                |          ExecProcNode
                |          |                                |          SubqueryNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecSubqueryScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecSort
                |          |                                |          ExecProcNode
                |          |                                |          ExecutePlan
                |          |                                |          standard_ExecutorRun
                |          |                                |          ExecutorRun
                |          |                                |          ExecCreateTableAs
                |          |                                |          standard_ProcessUtility
                |          |                                |          ProcessUtility
                |          |                                |          PortalRunUtility
                |          |                                |          PortalRunMulti
                |          |                                |          PortalRun
                |          |                                |          exec_simple_query
                |          |                                |          PostgresMain
                |          |                                |          BackendRun
                |          |                                |          BackendStartup
                |          |                                |          ServerLoop
                |          |                                |          PostmasterMain
                |          |                                |          main
                |          |                                |          __libc_start_main
                |          |                                |          
                |          |                                 --4.88%-- _bt_first
                |          |                                           btgettuple
                |          |                                           FunctionCall2Coll
                |          |                                           index_getnext_tid
                |          |                                           IndexOnlyNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecIndexOnlyScan
                |          |                                           ExecProcNode
                |          |                                           ExecScanSubPlan
                |          |                                           ExecSubPlan
                |          |                                           ExecTargetList
                |          |                                           ExecProject
                |          |                                           ExecScan
                |          |                                           ExecSeqScan
                |          |                                           ExecProcNode
                |          |                                           ExecLimit
                |          |                                           ExecProcNode
                |          |                                           SubqueryNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecSubqueryScan
                |          |                                           ExecProcNode
                |          |                                           ExecSort
                |          |                                           ExecProcNode
                |          |                                           ExecutePlan
                |          |                                           standard_ExecutorRun
                |          |                                           ExecutorRun
                |          |                                           ExecCreateTableAs
                |          |                                           standard_ProcessUtility
                |          |                                           ProcessUtility
                |          |                                           PortalRunUtility
                |          |                                           PortalRunMulti
                |          |                                           PortalRun
                |          |                                           exec_simple_query
                |          |                                           PostgresMain
                |          |                                           BackendRun
                |          |                                           BackendStartup
                |          |                                           ServerLoop
                |          |                                           PostmasterMain
                |          |                                           main
                |          |                                           __libc_start_main
                |          |          
                |          |--19.70%-- heapgetpage
                |          |          heapgettup_pagemode
                |          |          heap_getnext
                |          |          SeqNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --0.62%-- ReadBufferBI
                |                     RelationGetBufferForTuple
                |                     heap_insert
                |                     intorel_receive
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--3.76%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--97.50%-- ReadBuffer
                |          |          |          
                |          |          |--79.49%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --20.51%-- _bt_getbuf
                |          |                     _bt_getroot
                |          |                     _bt_search
                |          |                     _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --2.50%-- heapgetpage
                |                     heapgettup_pagemode
                |                     heap_getnext
                |                     SeqNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                 --0.63%-- [...]

     0.34%  postgres  ./pg9.2/bin/postgres  [.] _bt_search
                |          
                |--98.41%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --1.59%-- btgettuple
                           FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.31%  postgres  ./pg9.2/bin/postgres  [.] _bt_first
                |          
                |--98.01%-- btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --1.99%-- FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.30%  postgres  ./pg9.2/bin/postgres  [.] hash_any
                |          
                |--85.51%-- tag_hash
                |          get_hash_value
                |          BufTableHashCode
                |          BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--97.86%-- ReadBuffer
                |          |          |          
                |          |          |--67.00%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --33.00%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.31%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                     |          
                |          |                      --0.69%-- _bt_steppage
                |          |                                |          
                |          |                                |--80.00%-- _bt_first
                |          |                                |          btgettuple
                |          |                                |          FunctionCall2Coll
                |          |                                |          index_getnext_tid
                |          |                                |          IndexOnlyNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecIndexOnlyScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecScanSubPlan
                |          |                                |          ExecSubPlan
                |          |                                |          ExecTargetList
                |          |                                |          ExecProject
                |          |                                |          ExecScan
                |          |                                |          ExecSeqScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecLimit
                |          |                                |          ExecProcNode
                |          |                                |          SubqueryNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecSubqueryScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecSort
                |          |                                |          ExecProcNode
                |          |                                |          ExecutePlan
                |          |                                |          standard_ExecutorRun
                |          |                                |          ExecutorRun
                |          |                                |          ExecCreateTableAs
                |          |                                |          standard_ProcessUtility
                |          |                                |          ProcessUtility
                |          |                                |          PortalRunUtility
                |          |                                |          PortalRunMulti
                |          |                                |          PortalRun
                |          |                                |          exec_simple_query
                |          |                                |          PostgresMain
                |          |                                |          BackendRun
                |          |                                |          BackendStartup
                |          |                                |          ServerLoop
                |          |                                |          PostmasterMain
                |          |                                |          main
                |          |                                |          __libc_start_main
                |          |                                |          
                |          |                                 --20.00%-- _bt_next
                |          |                                           btgettuple
                |          |                                           FunctionCall2Coll
                |          |                                           index_getnext_tid
                |          |                                           IndexOnlyNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecIndexOnlyScan
                |          |                                           ExecProcNode
                |          |                                           ExecScanSubPlan
                |          |                                           ExecSubPlan
                |          |                                           ExecTargetList
                |          |                                           ExecProject
                |          |                                           ExecScan
                |          |                                           ExecSeqScan
                |          |                                           ExecProcNode
                |          |                                           ExecLimit
                |          |                                           ExecProcNode
                |          |                                           SubqueryNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecSubqueryScan
                |          |                                           ExecProcNode
                |          |                                           ExecSort
                |          |                                           ExecProcNode
                |          |                                           ExecutePlan
                |          |                                           standard_ExecutorRun
                |          |                                           ExecutorRun
                |          |                                           ExecCreateTableAs
                |          |                                           standard_ProcessUtility
                |          |                                           ProcessUtility
                |          |                                           PortalRunUtility
                |          |                                           PortalRunMulti
                |          |                                           PortalRun
                |          |                                           exec_simple_query
                |          |                                           PostgresMain
                |          |                                           BackendRun
                |          |                                           BackendStartup
                |          |                                           ServerLoop
                |          |                                           PostmasterMain
                |          |                                           main
                |          |                                           __libc_start_main
                |          |          
                |          |--1.83%-- heapgetpage
                |          |          heapgettup_pagemode
                |          |          heap_getnext
                |          |          SeqNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.31%-- [...]
                |          
                 --14.49%-- get_hash_value
                           BufTableHashCode
                           BufferAlloc
                           ReadBuffer_common
                           ReadBufferExtended
                           |          
                           |--98.95%-- ReadBuffer
                           |          |          
                           |          |--86.70%-- _bt_getbuf
                           |          |          |          
                           |          |          |--99.39%-- _bt_getroot
                           |          |          |          _bt_search
                           |          |          |          _bt_first
                           |          |          |          btgettuple
                           |          |          |          FunctionCall2Coll
                           |          |          |          index_getnext_tid
                           |          |          |          IndexOnlyNext
                           |          |          |          ExecScanFetch
                           |          |          |          ExecScan
                           |          |          |          ExecIndexOnlyScan
                           |          |          |          ExecProcNode
                           |          |          |          ExecScanSubPlan
                           |          |          |          ExecSubPlan
                           |          |          |          ExecTargetList
                           |          |          |          ExecProject
                           |          |          |          ExecScan
                           |          |          |          ExecSeqScan
                           |          |          |          ExecProcNode
                           |          |          |          ExecLimit
                           |          |          |          ExecProcNode
                           |          |          |          SubqueryNext
                           |          |          |          ExecScanFetch
                           |          |          |          ExecScan
                           |          |          |          ExecSubqueryScan
                           |          |          |          ExecProcNode
                           |          |          |          ExecSort
                           |          |          |          ExecProcNode
                           |          |          |          ExecutePlan
                           |          |          |          standard_ExecutorRun
                           |          |          |          ExecutorRun
                           |          |          |          ExecCreateTableAs
                           |          |          |          standard_ProcessUtility
                           |          |          |          ProcessUtility
                           |          |          |          PortalRunUtility
                           |          |          |          PortalRunMulti
                           |          |          |          PortalRun
                           |          |          |          exec_simple_query
                           |          |          |          PostgresMain
                           |          |          |          BackendRun
                           |          |          |          BackendStartup
                           |          |          |          ServerLoop
                           |          |          |          PostmasterMain
                           |          |          |          main
                           |          |          |          __libc_start_main
                           |          |          |          
                           |          |           --0.61%-- _bt_steppage
                           |          |                     |          
                           |          |                     |--50.00%-- _bt_first
                           |          |                     |          btgettuple
                           |          |                     |          FunctionCall2Coll
                           |          |                     |          index_getnext_tid
                           |          |                     |          IndexOnlyNext
                           |          |                     |          ExecScanFetch
                           |          |                     |          ExecScan
                           |          |                     |          ExecIndexOnlyScan
                           |          |                     |          ExecProcNode
                           |          |                     |          ExecScanSubPlan
                           |          |                     |          ExecSubPlan
                           |          |                     |          ExecTargetList
                           |          |                     |          ExecProject
                           |          |                     |          ExecScan
                           |          |                     |          ExecSeqScan
                           |          |                     |          ExecProcNode
                           |          |                     |          ExecLimit
                           |          |                     |          ExecProcNode
                           |          |                     |          SubqueryNext
                           |          |                     |          ExecScanFetch
                           |          |                     |          ExecScan
                           |          |                     |          ExecSubqueryScan
                           |          |                     |          ExecProcNode
                           |          |                     |          ExecSort
                           |          |                     |          ExecProcNode
                           |          |                     |          ExecutePlan
                           |          |                     |          standard_ExecutorRun
                           |          |                     |          ExecutorRun
                           |          |                     |          ExecCreateTableAs
                           |          |                     |          standard_ProcessUtility
                           |          |                     |          ProcessUtility
                           |          |                     |          PortalRunUtility
                           |          |                     |          PortalRunMulti
                           |          |                     |          PortalRun
                           |          |                     |          exec_simple_query
                           |          |                     |          PostgresMain
                           |          |                     |          BackendRun
                           |          |                     |          BackendStartup
                           |          |                     |          ServerLoop
                           |          |                     |          PostmasterMain
                           |          |                     |          main
                           |          |                     |          __libc_start_main
                           |          |                     |          
                           |          |                      --50.00%-- _bt_next
                           |          |                                btgettuple
                           |          |                                FunctionCall2Coll
                           |          |                                index_getnext_tid
                           |          |                                IndexOnlyNext
                           |          |                                ExecScanFetch
                           |          |                                ExecScan
                           |          |                                ExecIndexOnlyScan
                           |          |                                ExecProcNode
                           |          |                                ExecScanSubPlan
                           |          |                                ExecSubPlan
                           |          |                                ExecTargetList
                           |          |                                ExecProject
                           |          |                                ExecScan
                           |          |                                ExecSeqScan
                           |          |                                ExecProcNode
                           |          |                                ExecLimit
                           |          |                                ExecProcNode
                           |          |                                SubqueryNext
                           |          |                                ExecScanFetch
                           |          |                                ExecScan
                           |          |                                ExecSubqueryScan
                           |          |                                ExecProcNode
                           |          |                                ExecSort
                           |          |                                ExecProcNode
                           |          |                                ExecutePlan
                           |          |                                standard_ExecutorRun
                           |          |                                ExecutorRun
                           |          |                                ExecCreateTableAs
                           |          |                                standard_ProcessUtility
                           |          |                                ProcessUtility
                           |          |                                PortalRunUtility
                           |          |                                PortalRunMulti
                           |          |                                PortalRun
                           |          |                                exec_simple_query
                           |          |                                PostgresMain
                           |          |                                BackendRun
                           |          |                                BackendStartup
                           |          |                                ServerLoop
                           |          |                                PostmasterMain
                           |          |                                main
                           |          |                                __libc_start_main
                           |          |          
                           |           --13.30%-- ReleaseAndReadBuffer
                           |                     _bt_relandgetbuf
                           |                     _bt_search
                           |                     _bt_first
                           |                     btgettuple
                           |                     FunctionCall2Coll
                           |                     index_getnext_tid
                           |                     IndexOnlyNext
                           |                     ExecScanFetch
                           |                     ExecScan
                           |                     ExecIndexOnlyScan
                           |                     ExecProcNode
                           |                     ExecScanSubPlan
                           |                     ExecSubPlan
                           |                     ExecTargetList
                           |                     ExecProject
                           |                     ExecScan
                           |                     ExecSeqScan
                           |                     ExecProcNode
                           |                     ExecLimit
                           |                     ExecProcNode
                           |                     SubqueryNext
                           |                     ExecScanFetch
                           |                     ExecScan
                           |                     ExecSubqueryScan
                           |                     ExecProcNode
                           |                     ExecSort
                           |                     ExecProcNode
                           |                     ExecutePlan
                           |                     standard_ExecutorRun
                           |                     ExecutorRun
                           |                     ExecCreateTableAs
                           |                     standard_ProcessUtility
                           |                     ProcessUtility
                           |                     PortalRunUtility
                           |                     PortalRunMulti
                           |                     PortalRun
                           |                     exec_simple_query
                           |                     PostgresMain
                           |                     BackendRun
                           |                     BackendStartup
                           |                     ServerLoop
                           |                     PostmasterMain
                           |                     main
                           |                     __libc_start_main
                           |          
                            --1.05%-- heapgetpage
                                      heapgettup_pagemode
                                      heap_getnext
                                      SeqNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecSeqScan
                                      ExecProcNode
                                      ExecLimit
                                      ExecProcNode
                                      SubqueryNext
                                      ExecScanFetch
                                      ExecScan
                                      ExecSubqueryScan
                                      ExecProcNode
                                      ExecSort
                                      ExecProcNode
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     0.29%  postgres  ./pg9.2/bin/postgres  [.] LWLockAcquire
                |          
                |--49.17%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--99.29%-- ReadBuffer
                |          |          |          
                |          |          |--81.81%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --18.19%-- _bt_getbuf
                |          |                     |          
                |          |                     |--95.63%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                     |          
                |          |                      --4.37%-- _bt_steppage
                |          |                                |          
                |          |                                |--60.00%-- _bt_first
                |          |                                |          btgettuple
                |          |                                |          FunctionCall2Coll
                |          |                                |          index_getnext_tid
                |          |                                |          IndexOnlyNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecIndexOnlyScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecScanSubPlan
                |          |                                |          ExecSubPlan
                |          |                                |          ExecTargetList
                |          |                                |          ExecProject
                |          |                                |          ExecScan
                |          |                                |          ExecSeqScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecLimit
                |          |                                |          ExecProcNode
                |          |                                |          SubqueryNext
                |          |                                |          ExecScanFetch
                |          |                                |          ExecScan
                |          |                                |          ExecSubqueryScan
                |          |                                |          ExecProcNode
                |          |                                |          ExecSort
                |          |                                |          ExecProcNode
                |          |                                |          ExecutePlan
                |          |                                |          standard_ExecutorRun
                |          |                                |          ExecutorRun
                |          |                                |          ExecCreateTableAs
                |          |                                |          standard_ProcessUtility
                |          |                                |          ProcessUtility
                |          |                                |          PortalRunUtility
                |          |                                |          PortalRunMulti
                |          |                                |          PortalRun
                |          |                                |          exec_simple_query
                |          |                                |          PostgresMain
                |          |                                |          BackendRun
                |          |                                |          BackendStartup
                |          |                                |          ServerLoop
                |          |                                |          PostmasterMain
                |          |                                |          main
                |          |                                |          __libc_start_main
                |          |                                |          
                |          |                                 --40.00%-- _bt_next
                |          |                                           btgettuple
                |          |                                           FunctionCall2Coll
                |          |                                           index_getnext_tid
                |          |                                           IndexOnlyNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecIndexOnlyScan
                |          |                                           ExecProcNode
                |          |                                           ExecScanSubPlan
                |          |                                           ExecSubPlan
                |          |                                           ExecTargetList
                |          |                                           ExecProject
                |          |                                           ExecScan
                |          |                                           ExecSeqScan
                |          |                                           ExecProcNode
                |          |                                           ExecLimit
                |          |                                           ExecProcNode
                |          |                                           SubqueryNext
                |          |                                           ExecScanFetch
                |          |                                           ExecScan
                |          |                                           ExecSubqueryScan
                |          |                                           ExecProcNode
                |          |                                           ExecSort
                |          |                                           ExecProcNode
                |          |                                           ExecutePlan
                |          |                                           standard_ExecutorRun
                |          |                                           ExecutorRun
                |          |                                           ExecCreateTableAs
                |          |                                           standard_ProcessUtility
                |          |                                           ProcessUtility
                |          |                                           PortalRunUtility
                |          |                                           PortalRunMulti
                |          |                                           PortalRun
                |          |                                           exec_simple_query
                |          |                                           PostgresMain
                |          |                                           BackendRun
                |          |                                           BackendStartup
                |          |                                           ServerLoop
                |          |                                           PostmasterMain
                |          |                                           main
                |          |                                           __libc_start_main
                |          |          
                |           --0.71%-- heapgetpage
                |                     heapgettup_pagemode
                |                     heap_getnext
                |                     SeqNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--42.69%-- LockBuffer
                |          |          
                |          |--58.31%-- _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--20.62%-- _bt_getbuf
                |          |          |          
                |          |          |--99.12%-- _bt_getroot
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --0.88%-- _bt_steppage
                |          |                     _bt_next
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |          |--19.35%-- _bt_next
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--1.36%-- RelationGetBufferForTuple
                |          |          heap_insert
                |          |          intorel_receive
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.36%-- [...]
                |          
                |--4.03%-- ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--98.08%-- ReadBuffer
                |          |          |          
                |          |          |--58.82%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --41.18%-- _bt_getbuf
                |          |                     _bt_getroot
                |          |                     _bt_search
                |          |                     _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --1.92%-- heapgetpage
                |                     heapgettup_pagemode
                |                     heap_getnext
                |                     SeqNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--2.02%-- _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.78%-- _bt_next
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.62%-- _bt_getbuf
                |          _bt_getroot
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.70%-- [...]

     0.29%  postgres  ./pg9.2/bin/postgres  [.] ExecMakeFunctionResultNoSets
                |          
                |--51.51%-- ExecMakeFunctionResultNoSets
                |          ExecQual
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--46.39%-- ExecQual
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --2.10%-- ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.29%  postgres  ./pg9.2/bin/postgres  [.] LWLockRelease
                |          
                |--50.04%-- BufferAlloc
                |          ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--97.93%-- ReadBuffer
                |          |          |          
                |          |          |--73.09%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --26.91%-- _bt_getbuf
                |          |                     |          
                |          |                     |--99.40%-- _bt_getroot
                |          |                     |          _bt_search
                |          |                     |          _bt_first
                |          |                     |          btgettuple
                |          |                     |          FunctionCall2Coll
                |          |                     |          index_getnext_tid
                |          |                     |          IndexOnlyNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecIndexOnlyScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecScanSubPlan
                |          |                     |          ExecSubPlan
                |          |                     |          ExecTargetList
                |          |                     |          ExecProject
                |          |                     |          ExecScan
                |          |                     |          ExecSeqScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecLimit
                |          |                     |          ExecProcNode
                |          |                     |          SubqueryNext
                |          |                     |          ExecScanFetch
                |          |                     |          ExecScan
                |          |                     |          ExecSubqueryScan
                |          |                     |          ExecProcNode
                |          |                     |          ExecSort
                |          |                     |          ExecProcNode
                |          |                     |          ExecutePlan
                |          |                     |          standard_ExecutorRun
                |          |                     |          ExecutorRun
                |          |                     |          ExecCreateTableAs
                |          |                     |          standard_ProcessUtility
                |          |                     |          ProcessUtility
                |          |                     |          PortalRunUtility
                |          |                     |          PortalRunMulti
                |          |                     |          PortalRun
                |          |                     |          exec_simple_query
                |          |                     |          PostgresMain
                |          |                     |          BackendRun
                |          |                     |          BackendStartup
                |          |                     |          ServerLoop
                |          |                     |          PostmasterMain
                |          |                     |          main
                |          |                     |          __libc_start_main
                |          |                     |          
                |          |                      --0.60%-- _bt_steppage
                |          |                                _bt_first
                |          |                                btgettuple
                |          |                                FunctionCall2Coll
                |          |                                index_getnext_tid
                |          |                                IndexOnlyNext
                |          |                                ExecScanFetch
                |          |                                ExecScan
                |          |                                ExecIndexOnlyScan
                |          |                                ExecProcNode
                |          |                                ExecScanSubPlan
                |          |                                ExecSubPlan
                |          |                                ExecTargetList
                |          |                                ExecProject
                |          |                                ExecScan
                |          |                                ExecSeqScan
                |          |                                ExecProcNode
                |          |                                ExecLimit
                |          |                                ExecProcNode
                |          |                                SubqueryNext
                |          |                                ExecScanFetch
                |          |                                ExecScan
                |          |                                ExecSubqueryScan
                |          |                                ExecProcNode
                |          |                                ExecSort
                |          |                                ExecProcNode
                |          |                                ExecutePlan
                |          |                                standard_ExecutorRun
                |          |                                ExecutorRun
                |          |                                ExecCreateTableAs
                |          |                                standard_ProcessUtility
                |          |                                ProcessUtility
                |          |                                PortalRunUtility
                |          |                                PortalRunMulti
                |          |                                PortalRun
                |          |                                exec_simple_query
                |          |                                PostgresMain
                |          |                                BackendRun
                |          |                                BackendStartup
                |          |                                ServerLoop
                |          |                                PostmasterMain
                |          |                                main
                |          |                                __libc_start_main
                |          |          
                |          |--1.83%-- heapgetpage
                |          |          heapgettup_pagemode
                |          |          heap_getnext
                |          |          SeqNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.24%-- [...]
                |          
                |--43.15%-- LockBuffer
                |          |          
                |          |--61.22%-- _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--20.22%-- UnlockReleaseBuffer
                |          |          |          
                |          |          |--96.35%-- _bt_relbuf
                |          |          |          _bt_steppage
                |          |          |          |          
                |          |          |          |--99.53%-- _bt_next
                |          |          |          |          btgettuple
                |          |          |          |          FunctionCall2Coll
                |          |          |          |          index_getnext_tid
                |          |          |          |          IndexOnlyNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecIndexOnlyScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecScanSubPlan
                |          |          |          |          ExecSubPlan
                |          |          |          |          ExecTargetList
                |          |          |          |          ExecProject
                |          |          |          |          ExecScan
                |          |          |          |          ExecSeqScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecLimit
                |          |          |          |          ExecProcNode
                |          |          |          |          SubqueryNext
                |          |          |          |          ExecScanFetch
                |          |          |          |          ExecScan
                |          |          |          |          ExecSubqueryScan
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecSort
                |          |          |          |          ExecProcNode
                |          |          |          |          ExecutePlan
                |          |          |          |          standard_ExecutorRun
                |          |          |          |          ExecutorRun
                |          |          |          |          ExecCreateTableAs
                |          |          |          |          standard_ProcessUtility
                |          |          |          |          ProcessUtility
                |          |          |          |          PortalRunUtility
                |          |          |          |          PortalRunMulti
                |          |          |          |          PortalRun
                |          |          |          |          exec_simple_query
                |          |          |          |          PostgresMain
                |          |          |          |          BackendRun
                |          |          |          |          BackendStartup
                |          |          |          |          ServerLoop
                |          |          |          |          PostmasterMain
                |          |          |          |          main
                |          |          |          |          __libc_start_main
                |          |          |           --0.47%-- [...]
                |          |          |          
                |          |           --3.65%-- heap_insert
                |          |                     intorel_receive
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |          |--16.71%-- _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --1.85%-- heapgetpage
                |                     heapgettup_pagemode
                |                     heap_getnext
                |                     SeqNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--3.19%-- ReadBuffer_common
                |          ReadBufferExtended
                |          |          
                |          |--96.25%-- ReadBuffer
                |          |          |          
                |          |          |--72.73%-- ReleaseAndReadBuffer
                |          |          |          _bt_relandgetbuf
                |          |          |          _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --27.27%-- _bt_getbuf
                |          |                     _bt_getroot
                |          |                     _bt_search
                |          |                     _bt_first
                |          |                     btgettuple
                |          |                     FunctionCall2Coll
                |          |                     index_getnext_tid
                |          |                     IndexOnlyNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecIndexOnlyScan
                |          |                     ExecProcNode
                |          |                     ExecScanSubPlan
                |          |                     ExecSubPlan
                |          |                     ExecTargetList
                |          |                     ExecProject
                |          |                     ExecScan
                |          |                     ExecSeqScan
                |          |                     ExecProcNode
                |          |                     ExecLimit
                |          |                     ExecProcNode
                |          |                     SubqueryNext
                |          |                     ExecScanFetch
                |          |                     ExecScan
                |          |                     ExecSubqueryScan
                |          |                     ExecProcNode
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |          |--2.50%-- heapgetpage
                |          |          heapgettup_pagemode
                |          |          heap_getnext
                |          |          SeqNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --1.25%-- ReadBufferBI
                |                     RelationGetBufferForTuple
                |                     heap_insert
                |                     intorel_receive
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--2.11%-- _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.92%-- UnlockReleaseBuffer
                |          _bt_relbuf
                |          _bt_steppage
                |          _bt_next
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.60%-- [...]

     0.26%  postgres  ./pg9.2/bin/postgres  [.] _bt_checkkeys
                |          
                |--98.51%-- _bt_readpage
                |          |          
                |          |--99.51%-- _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.49%-- [...]
                |          
                 --1.49%-- _bt_first
                           btgettuple
                           FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.24%  postgres  ./pg9.2/bin/postgres  [.] heap_compute_data_size
                |          
                |--53.04%-- heap_form_minimal_tuple
                |          ExecCopySlotMinimalTuple
                |          copytup_heap
                |          tuplesort_puttupleslot
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--37.31%-- heap_form_tuple
                |          ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--9.61%-- ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.05%-- [...]

     0.23%  postgres  ./pg9.2/bin/postgres  [.] ExecScanSubPlan
                |          
                |--99.36%-- ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.64%-- ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.20%  postgres  ./pg9.2/bin/postgres  [.] ExecProcNode
                |          
                |--40.72%-- ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--29.81%-- SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--23.59%-- ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.26%-- ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--1.47%-- ExecProcNode
                |          |          
                |          |--92.31%-- SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --7.69%-- ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--1.02%-- ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.79%-- ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.34%-- [...]

     0.20%  postgres  ./pg9.2/bin/postgres  [.] heap_fill_tuple
                |          
                |--68.90%-- heap_form_minimal_tuple
                |          ExecCopySlotMinimalTuple
                |          copytup_heap
                |          tuplesort_puttupleslot
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--30.42%-- heap_form_tuple
                |          ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.57%-- ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.11%-- [...]

     0.20%  postgres  ./pg9.2/bin/postgres  [.] ExecScan
                |          
                |--48.32%-- ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--25.98%-- ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--23.03%-- ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --2.66%-- ExecProcNode
                           |          
                           |--65.22%-- ExecScanSubPlan
                           |          ExecSubPlan
                           |          ExecTargetList
                           |          ExecProject
                           |          ExecScan
                           |          ExecSeqScan
                           |          ExecProcNode
                           |          ExecLimit
                           |          ExecProcNode
                           |          SubqueryNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecSubqueryScan
                           |          ExecProcNode
                           |          ExecSort
                           |          ExecProcNode
                           |          ExecutePlan
                           |          standard_ExecutorRun
                           |          ExecutorRun
                           |          ExecCreateTableAs
                           |          standard_ProcessUtility
                           |          ProcessUtility
                           |          PortalRunUtility
                           |          PortalRunMulti
                           |          PortalRun
                           |          exec_simple_query
                           |          PostgresMain
                           |          BackendRun
                           |          BackendStartup
                           |          ServerLoop
                           |          PostmasterMain
                           |          main
                           |          __libc_start_main
                           |          
                           |--32.61%-- ExecLimit
                           |          ExecProcNode
                           |          SubqueryNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecSubqueryScan
                           |          ExecProcNode
                           |          ExecSort
                           |          ExecProcNode
                           |          ExecutePlan
                           |          standard_ExecutorRun
                           |          ExecutorRun
                           |          ExecCreateTableAs
                           |          standard_ProcessUtility
                           |          ProcessUtility
                           |          PortalRunUtility
                           |          PortalRunMulti
                           |          PortalRun
                           |          exec_simple_query
                           |          PostgresMain
                           |          BackendRun
                           |          BackendStartup
                           |          ServerLoop
                           |          PostmasterMain
                           |          main
                           |          __libc_start_main
                           |          
                            --2.17%-- ExecSort
                                      ExecProcNode
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     0.19%  postgres  ./pg9.2/bin/postgres  [.] AllocSetAlloc
                |          
                |--54.40%-- MemoryContextAlloc
                |          |          
                |          |--97.53%-- _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--2.36%-- heap_tuple_from_minimal_tuple
                |          |          ExecCopySlotTuple
                |          |          ExecMaterializeSlot
                |          |          intorel_receive
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.11%-- [...]
                |          
                |--42.54%-- MemoryContextAllocZero
                |          |          
                |          |--49.28%-- heap_form_tuple
                |          |          ExecCopySlotTuple
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--46.98%-- bms_make_singleton
                |          |          bms_add_member
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --3.74%-- heap_form_minimal_tuple
                |                     ExecCopySlotMinimalTuple
                |                     copytup_heap
                |                     tuplesort_puttupleslot
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--1.89%-- _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.55%-- bms_make_singleton
                |          bms_add_member
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.55%-- heap_form_tuple
                |          ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.06%-- [...]

     0.18%  postgres  ./pg9.2/bin/postgres  [.] pfree
                |          
                |--52.16%-- _bt_freestack
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--20.71%-- heap_freetuple
                |          |          
                |          |--97.24%-- ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --2.76%-- ExecStoreMinimalTuple
                |                     tuplesort_gettupleslot
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--16.07%-- bms_free
                |          ExecReScan
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--5.40%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--4.64%-- ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--0.83%-- ExecReScan
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.19%-- [...]

     0.18%  postgres  ./pg9.2/bin/postgres  [.] ExecClearTuple
                |          
                |--44.69%-- ExecProject
                |          ExecScan
                |          |          
                |          |--51.74%-- ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --48.26%-- ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--22.15%-- ExecScan
                |          |          
                |          |--94.44%-- ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --5.56%-- ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--19.43%-- IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--11.92%-- StoreIndexTuple
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--1.04%-- ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.78%-- ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.17%  postgres  ./pg9.2/bin/postgres  [.] MemoryContextAllocZero
                |          
                |--57.90%-- heap_form_tuple
                |          ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--23.33%-- bms_make_singleton
                |          bms_add_member
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--14.01%-- heap_form_minimal_tuple
                |          ExecCopySlotMinimalTuple
                |          copytup_heap
                |          tuplesort_puttupleslot
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.45%-- bms_add_member
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.25%-- ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.07%-- [...]

     0.17%  postgres  ./pg9.2/bin/postgres  [.] heap_form_tuple
                |          
                |--93.52%-- ExecCopySlotTuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --6.48%-- ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.17%  postgres  ./pg9.2/bin/postgres  [.] _bt_moveright
                |          
                |--97.15%-- _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --2.85%-- _bt_first
                           btgettuple
                           FunctionCall2Coll
                           index_getnext_tid
                           IndexOnlyNext
                           ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.17%  postgres  ./pg9.2/bin/postgres  [.] ExecTargetList
                |          
                |--96.66%-- ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --3.34%-- ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.16%  postgres  ./pg9.2/bin/postgres  [.] _bt_readpage
                |          
                |--96.97%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.61%-- btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.42%-- [...]

     0.16%  postgres  ./pg9.2/bin/postgres  [.] AllocSetFreeIndex
                |          
                |--47.19%-- AllocSetAlloc
                |          |          
                |          |--56.86%-- MemoryContextAlloc
                |          |          |          
                |          |          |--99.73%-- _bt_search
                |          |          |          _bt_first
                |          |          |          btgettuple
                |          |          |          FunctionCall2Coll
                |          |          |          index_getnext_tid
                |          |          |          IndexOnlyNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecIndexOnlyScan
                |          |          |          ExecProcNode
                |          |          |          ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |           --0.27%-- [...]
                |          |          
                |           --43.14%-- MemoryContextAllocZero
                |                     |          
                |                     |--51.59%-- heap_form_tuple
                |                     |          ExecCopySlotTuple
                |                     |          ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                     |--44.52%-- bms_make_singleton
                |                     |          bms_add_member
                |                     |          ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                      --3.89%-- heap_form_minimal_tuple
                |                                ExecCopySlotMinimalTuple
                |                                copytup_heap
                |                                tuplesort_puttupleslot
                |                                ExecSort
                |                                ExecProcNode
                |                                ExecutePlan
                |                                standard_ExecutorRun
                |                                ExecutorRun
                |                                ExecCreateTableAs
                |                                standard_ProcessUtility
                |                                ProcessUtility
                |                                PortalRunUtility
                |                                PortalRunMulti
                |                                PortalRun
                |                                exec_simple_query
                |                                PostgresMain
                |                                BackendRun
                |                                BackendStartup
                |                                ServerLoop
                |                                PostmasterMain
                |                                main
                |                                __libc_start_main
                |          
                |--40.72%-- AllocSetFree
                |          pfree
                |          |          
                |          |--67.14%-- _bt_freestack
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--27.03%-- heap_freetuple
                |          |          |          
                |          |          |--95.42%-- ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --4.58%-- ExecStoreMinimalTuple
                |          |                     tuplesort_gettupleslot
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |           --5.83%-- bms_free
                |                     ExecReScan
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                |--6.62%-- pfree
                |          |          
                |          |--53.26%-- _bt_freestack
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--29.35%-- bms_free
                |          |          ExecReScan
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --17.39%-- heap_freetuple
                |                     |          
                |                     |--93.75%-- ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                      --6.25%-- ExecStoreMinimalTuple
                |                                tuplesort_gettupleslot
                |                                ExecSort
                |                                ExecProcNode
                |                                ExecutePlan
                |                                standard_ExecutorRun
                |                                ExecutorRun
                |                                ExecCreateTableAs
                |                                standard_ProcessUtility
                |                                ProcessUtility
                |                                PortalRunUtility
                |                                PortalRunMulti
                |                                PortalRun
                |                                exec_simple_query
                |                                PostgresMain
                |                                BackendRun
                |                                BackendStartup
                |                                ServerLoop
                |                                PostmasterMain
                |                                main
                |                                __libc_start_main
                |          
                |--3.02%-- MemoryContextAllocZero
                |          |          
                |          |--64.29%-- bms_make_singleton
                |          |          bms_add_member
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --35.71%-- heap_form_tuple
                |                     ExecCopySlotTuple
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                 --2.45%-- MemoryContextAlloc
                           |          
                           |--97.06%-- _bt_search
                           |          _bt_first
                           |          btgettuple
                           |          FunctionCall2Coll
                           |          index_getnext_tid
                           |          IndexOnlyNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecIndexOnlyScan
                           |          ExecProcNode
                           |          ExecScanSubPlan
                           |          ExecSubPlan
                           |          ExecTargetList
                           |          ExecProject
                           |          ExecScan
                           |          ExecSeqScan
                           |          ExecProcNode
                           |          ExecLimit
                           |          ExecProcNode
                           |          SubqueryNext
                           |          ExecScanFetch
                           |          ExecScan
                           |          ExecSubqueryScan
                           |          ExecProcNode
                           |          ExecSort
                           |          ExecProcNode
                           |          ExecutePlan
                           |          standard_ExecutorRun
                           |          ExecutorRun
                           |          ExecCreateTableAs
                           |          standard_ProcessUtility
                           |          ProcessUtility
                           |          PortalRunUtility
                           |          PortalRunMulti
                           |          PortalRun
                           |          exec_simple_query
                           |          PostgresMain
                           |          BackendRun
                           |          BackendStartup
                           |          ServerLoop
                           |          PostmasterMain
                           |          main
                           |          __libc_start_main
                           |          
                            --2.94%-- heap_tuple_from_minimal_tuple
                                      ExecCopySlotTuple
                                      ExecMaterializeSlot
                                      intorel_receive
                                      ExecutePlan
                                      standard_ExecutorRun
                                      ExecutorRun
                                      ExecCreateTableAs
                                      standard_ProcessUtility
                                      ProcessUtility
                                      PortalRunUtility
                                      PortalRunMulti
                                      PortalRun
                                      exec_simple_query
                                      PostgresMain
                                      BackendRun
                                      BackendStartup
                                      ServerLoop
                                      PostmasterMain
                                      main
                                      __libc_start_main

     0.13%  postgres  ./pg9.2/bin/postgres  [.] heapgettup_pagemode
                |          
                |--88.20%-- heap_getnext
                |          SeqNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --11.80%-- SeqNext
                           ExecScanFetch
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.13%  postgres  ./pg9.2/bin/postgres  [.] ReadBufferExtended
                |          
                |--89.21%-- ReadBuffer
                |          |          
                |          |--64.88%-- ReleaseAndReadBuffer
                |          |          _bt_relandgetbuf
                |          |          _bt_search
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --35.12%-- _bt_getbuf
                |                     |          
                |                     |--99.44%-- _bt_getroot
                |                     |          _bt_search
                |                     |          _bt_first
                |                     |          btgettuple
                |                     |          FunctionCall2Coll
                |                     |          index_getnext_tid
                |                     |          IndexOnlyNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecIndexOnlyScan
                |                     |          ExecProcNode
                |                     |          ExecScanSubPlan
                |                     |          ExecSubPlan
                |                     |          ExecTargetList
                |                     |          ExecProject
                |                     |          ExecScan
                |                     |          ExecSeqScan
                |                     |          ExecProcNode
                |                     |          ExecLimit
                |                     |          ExecProcNode
                |                     |          SubqueryNext
                |                     |          ExecScanFetch
                |                     |          ExecScan
                |                     |          ExecSubqueryScan
                |                     |          ExecProcNode
                |                     |          ExecSort
                |                     |          ExecProcNode
                |                     |          ExecutePlan
                |                     |          standard_ExecutorRun
                |                     |          ExecutorRun
                |                     |          ExecCreateTableAs
                |                     |          standard_ProcessUtility
                |                     |          ProcessUtility
                |                     |          PortalRunUtility
                |                     |          PortalRunMulti
                |                     |          PortalRun
                |                     |          exec_simple_query
                |                     |          PostgresMain
                |                     |          BackendRun
                |                     |          BackendStartup
                |                     |          ServerLoop
                |                     |          PostmasterMain
                |                     |          main
                |                     |          __libc_start_main
                |                     |          
                |                      --0.56%-- _bt_steppage
                |                                _bt_next
                |                                btgettuple
                |                                FunctionCall2Coll
                |                                index_getnext_tid
                |                                IndexOnlyNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecIndexOnlyScan
                |                                ExecProcNode
                |                                ExecScanSubPlan
                |                                ExecSubPlan
                |                                ExecTargetList
                |                                ExecProject
                |                                ExecScan
                |                                ExecSeqScan
                |                                ExecProcNode
                |                                ExecLimit
                |                                ExecProcNode
                |                                SubqueryNext
                |                                ExecScanFetch
                |                                ExecScan
                |                                ExecSubqueryScan
                |                                ExecProcNode
                |                                ExecSort
                |                                ExecProcNode
                |                                ExecutePlan
                |                                standard_ExecutorRun
                |                                ExecutorRun
                |                                ExecCreateTableAs
                |                                standard_ProcessUtility
                |                                ProcessUtility
                |                                PortalRunUtility
                |                                PortalRunMulti
                |                                PortalRun
                |                                exec_simple_query
                |                                PostgresMain
                |                                BackendRun
                |                                BackendStartup
                |                                ServerLoop
                |                                PostmasterMain
                |                                main
                |                                __libc_start_main
                |          
                |--4.18%-- heapgetpage
                |          heapgettup_pagemode
                |          heap_getnext
                |          SeqNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--3.31%-- ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--2.96%-- _bt_getbuf
                |          _bt_getroot
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                 --0.35%-- [...]

     0.12%  postgres  /lib/libc-2.11.1.so   [.] memcpy
                |          
                |--40.49%-- _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--23.97%-- ExecCopySlotTuple
                |          ExecMaterializeSlot
                |          intorel_receive
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--17.26%-- ScanKeyEntryInitializeWithInfo
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--15.02%-- _bt_readpage
                |          |          
                |          |--98.76%-- _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |           --1.24%-- _bt_steppage
                |                     _bt_first
                |                     btgettuple
                |                     FunctionCall2Coll
                |                     index_getnext_tid
                |                     IndexOnlyNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecIndexOnlyScan
                |                     ExecProcNode
                |                     ExecScanSubPlan
                |                     ExecSubPlan
                |                     ExecTargetList
                |                     ExecProject
                |                     ExecScan
                |                     ExecSeqScan
                |                     ExecProcNode
                |                     ExecLimit
                |                     ExecProcNode
                |                     SubqueryNext
                |                     ExecScanFetch
                |                     ExecScan
                |                     ExecSubqueryScan
                |                     ExecProcNode
                |                     ExecSort
                |                     ExecProcNode
                |                     ExecutePlan
                |                     standard_ExecutorRun
                |                     ExecutorRun
                |                     ExecCreateTableAs
                |                     standard_ProcessUtility
                |                     ProcessUtility
                |                     PortalRunUtility
                |                     PortalRunMulti
                |                     PortalRun
                |                     exec_simple_query
                |                     PostgresMain
                |                     BackendRun
                |                     BackendStartup
                |                     ServerLoop
                |                     PostmasterMain
                |                     main
                |                     __libc_start_main
                |          
                 --3.26%-- RelationPutHeapTuple
                           heap_insert
                           intorel_receive
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.12%  postgres  ./pg9.2/bin/postgres  [.] AllocSetFree
                |          
                |--91.66%-- pfree
                |          |          
                |          |--63.50%-- _bt_freestack
                |          |          _bt_first
                |          |          btgettuple
                |          |          FunctionCall2Coll
                |          |          index_getnext_tid
                |          |          IndexOnlyNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecIndexOnlyScan
                |          |          ExecProcNode
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |          |          
                |          |--21.41%-- heap_freetuple
                |          |          |          
                |          |          |--95.17%-- ExecScanSubPlan
                |          |          |          ExecSubPlan
                |          |          |          ExecTargetList
                |          |          |          ExecProject
                |          |          |          ExecScan
                |          |          |          ExecSeqScan
                |          |          |          ExecProcNode
                |          |          |          ExecLimit
                |          |          |          ExecProcNode
                |          |          |          SubqueryNext
                |          |          |          ExecScanFetch
                |          |          |          ExecScan
                |          |          |          ExecSubqueryScan
                |          |          |          ExecProcNode
                |          |          |          ExecSort
                |          |          |          ExecProcNode
                |          |          |          ExecutePlan
                |          |          |          standard_ExecutorRun
                |          |          |          ExecutorRun
                |          |          |          ExecCreateTableAs
                |          |          |          standard_ProcessUtility
                |          |          |          ProcessUtility
                |          |          |          PortalRunUtility
                |          |          |          PortalRunMulti
                |          |          |          PortalRun
                |          |          |          exec_simple_query
                |          |          |          PostgresMain
                |          |          |          BackendRun
                |          |          |          BackendStartup
                |          |          |          ServerLoop
                |          |          |          PostmasterMain
                |          |          |          main
                |          |          |          __libc_start_main
                |          |          |          
                |          |           --4.83%-- ExecStoreMinimalTuple
                |          |                     tuplesort_gettupleslot
                |          |                     ExecSort
                |          |                     ExecProcNode
                |          |                     ExecutePlan
                |          |                     standard_ExecutorRun
                |          |                     ExecutorRun
                |          |                     ExecCreateTableAs
                |          |                     standard_ProcessUtility
                |          |                     ProcessUtility
                |          |                     PortalRunUtility
                |          |                     PortalRunMulti
                |          |                     PortalRun
                |          |                     exec_simple_query
                |          |                     PostgresMain
                |          |                     BackendRun
                |          |                     BackendStartup
                |          |                     ServerLoop
                |          |                     PostmasterMain
                |          |                     main
                |          |                     __libc_start_main
                |          |          
                |          |--14.99%-- bms_free
                |          |          ExecReScan
                |          |          ExecScanSubPlan
                |          |          ExecSubPlan
                |          |          ExecTargetList
                |          |          ExecProject
                |          |          ExecScan
                |          |          ExecSeqScan
                |          |          ExecProcNode
                |          |          ExecLimit
                |          |          ExecProcNode
                |          |          SubqueryNext
                |          |          ExecScanFetch
                |          |          ExecScan
                |          |          ExecSubqueryScan
                |          |          ExecProcNode
                |          |          ExecSort
                |          |          ExecProcNode
                |          |          ExecutePlan
                |          |          standard_ExecutorRun
                |          |          ExecutorRun
                |          |          ExecCreateTableAs
                |          |          standard_ProcessUtility
                |          |          ProcessUtility
                |          |          PortalRunUtility
                |          |          PortalRunMulti
                |          |          PortalRun
                |          |          exec_simple_query
                |          |          PostgresMain
                |          |          BackendRun
                |          |          BackendStartup
                |          |          ServerLoop
                |          |          PostmasterMain
                |          |          main
                |          |          __libc_start_main
                |           --0.10%-- [...]
                |          
                |--6.07%-- _bt_freestack
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                |--1.42%-- heap_freetuple
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --0.85%-- bms_free
                           ExecReScan
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.12%  postgres  ./pg9.2/bin/postgres  [.] index_getnext_tid
                |          
                |--97.32%-- IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --2.68%-- ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.12%  postgres  ./pg9.2/bin/postgres  [.] StoreIndexTuple
                |          
                |--97.14%-- IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun
                |          BackendStartup
                |          ServerLoop
                |          PostmasterMain
                |          main
                |          __libc_start_main
                |          
                 --2.86%-- ExecScanFetch
                           ExecScan
                           ExecIndexOnlyScan
                           ExecProcNode
                           ExecScanSubPlan
                           ExecSubPlan
                           ExecTargetList
                           ExecProject
                           ExecScan
                           ExecSeqScan
                           ExecProcNode
                           ExecLimit
                           ExecProcNode
                           SubqueryNext
                           ExecScanFetch
                           ExecScan
                           ExecSubqueryScan
                           ExecProcNode
                           ExecSort
                           ExecProcNode
                           ExecutePlan
                           standard_ExecutorRun
                           ExecutorRun
                           ExecCreateTableAs
                           standard_ProcessUtility
                           ProcessUtility
                           PortalRunUtility
                           PortalRunMulti
                           PortalRun
                           exec_simple_query
                           PostgresMain
                           BackendRun
                           BackendStartup
                           ServerLoop
                           PostmasterMain
                           main
                           __libc_start_main

     0.12%  postgres  ./pg9.2/bin/postgres  [.] ResourceOwnerForgetBuffer
                |          
                |--54.94%-- UnpinBuffer
                |          ReleaseAndReadBuffer
                |          _bt_relandgetbuf
                |          _bt_search
                |          _bt_first
                |          btgettuple
                |          FunctionCall2Coll
                |          index_getnext_tid
                |          IndexOnlyNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecIndexOnlyScan
                |          ExecProcNode
                |          ExecScanSubPlan
                |          ExecSubPlan
                |          ExecTargetList
                |          ExecProject
                |          ExecScan
                |          ExecSeqScan
                |          ExecProcNode
                |          ExecLimit
                |          ExecProcNode
                |          SubqueryNext
                |          ExecScanFetch
                |          ExecScan
                |          ExecSubqueryScan
                |          ExecProcNode
                |          ExecSort
                |          ExecProcNode
                |          ExecutePlan
                |          standard_ExecutorRun
                |          ExecutorRun
                |          ExecCreateTableAs
                |          standard_ProcessUtility
                |          ProcessUtility
                |          PortalRunUtility
                |          PortalRunMulti
                |          PortalRun
                |          exec_simple_query
                |          PostgresMain
                |          BackendRun