# ========
# captured on: Tue Sep 22 16:32:38 2015
# hostname : aphost2
# os release : 2.6.32-358.23.2.el6.x86_64
# perf version : 2.6.32-358.23.2.el6.x86_64.debug
# arch : x86_64
# nrcpus online : 16
# nrcpus avail : 16
# cpudesc : Intel(R) Xeon(R) CPU E5-4650 0 @ 2.70GHz
# cpuid : GenuineIntel,6,45,7
# total memory : 264414484 kB
# cmdline : /usr/bin/perf record -g -p 774 
# event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, excl_host = 0, excl_guest = 1, precise_ip = 0, id = { 40 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 25K of event 'cycles'
# Event count (approx.): 18599536750
#
# Overhead   Command                  Shared Object                                   Symbol
# ........  ........  .............................  .......................................
#
     7.67%  postgres  postgres                       [.] slot_deform_tuple                  
            |
            --- slot_deform_tuple

     7.19%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC             
            |
            --- HeapTupleSatisfiesMVCC

     6.36%  postgres  postgres                       [.] bcTruelen                          
            |
            --- bcTruelen

     5.85%  postgres  postgres                       [.] hash_search_with_hash_value        
            |
            --- hash_search_with_hash_value
               |          
               |--1.26%-- 0xd7601000000000
                --98.74%-- [...]

     4.51%  postgres  postgres                       [.] varstr_cmp                         
            |
            --- varstr_cmp

     4.10%  postgres  postgres                       [.] bpchareq                           
            |
            --- bpchareq

     3.33%  postgres  libc-2.12.so                   [.] memcpy                             
            |
            --- memcpy
               |          
               |--93.30%-- networkjoinsel
                --6.70%-- [...]

     3.22%  postgres  postgres                       [.] slot_getattr                       
            |
            --- slot_getattr

     2.98%  postgres  postgres                       [.] ExecMakeFunctionResultNoSets       
            |
            --- ExecMakeFunctionResultNoSets

     2.68%  postgres  postgres                       [.] heap_getnext                       
            |
            --- heap_getnext

     2.24%  postgres  postgres                       [.] add_abs                            
            |
            --- add_abs

     2.21%  postgres  postgres                       [.] shm_mq_inc_bytes_read              
            |
            --- shm_mq_inc_bytes_read

     2.19%  postgres  postgres                       [.] ExecProject                        
            |
            --- ExecProject

     2.02%  postgres  postgres                       [.] bpcharle                           
            |
            --- bpcharle

     1.98%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                          
            |
            --- vread_tsc
               |          
               |--75.29%-- 0x7fff2dfff814
               |          0x7fff2dfff8bc
               |          __gettimeofday
               |          
                --24.71%-- 0x7fff2dfff8bc
                          __gettimeofday

     1.77%  postgres  postgres                       [.] AllocSetAlloc                      
            |
            --- AllocSetAlloc
               |          
               |--15.96%-- networkjoinsel
                --84.04%-- [...]

     1.58%  postgres  postgres                       [.] LWLockAcquire                      
            |
            --- LWLockAcquire

     1.58%  postgres  postgres                       [.] PinBuffer                          
            |
            --- PinBuffer

     1.53%  postgres  postgres                       [.] hash_any                           
            |
            --- hash_any

     1.39%  postgres  postgres                       [.] heap_page_prune_opt                
            |
            --- heap_page_prune_opt

     1.30%  postgres  [vdso]                         [.] 0x00007fff2dfff872                 
            |          
            |--10.41%-- 0x7fff2dfff81f
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--8.63%-- 0x7fff2dfff82a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--8.04%-- 0x7fff2dfff8d4
            |          __gettimeofday
            |          
            |--6.55%-- 0x7fff2dfff814
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--5.36%-- 0x7fff2dfff830
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--4.76%-- 0x7fff2dfff826
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--4.17%-- 0x7fff2dfff872
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--3.27%-- 0x7fff2dfff8df
            |          __gettimeofday
            |          
            |--3.27%-- 0x7fff2dfff890
            |          
            |--2.68%-- 0x7fff2dfff86a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.38%-- 0x7fff2dfff8db
            |          __gettimeofday
            |          
            |--2.38%-- 0x7fff2dfff7d0
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff8e9
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff8cd
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff8a1
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff7d7
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff80a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.08%-- 0x7fff2dfff8c0
            |          __gettimeofday
            |          
            |--1.79%-- 0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.79%-- 0x7fff2dfff83d
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.79%-- 0x7fff2dfff8a4
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff7d6
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff7fc
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff8b2
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff8d8
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff803
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff7d1
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff89b
            |          __gettimeofday
            |          
            |--1.49%-- 0x7fff2dfff8b0
            |          __gettimeofday
            |          
            |--1.19%-- 0x7fff2dfff7e4
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.19%-- 0x7fff2dfff811
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.19%-- 0x7fff2dfff7ee
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--0.90%-- 0x7fff2dfff8a7
            |          __gettimeofday
            |          
            |--0.89%-- 0x7fff2dfff806
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--0.60%-- 0x7fff2dfff8ab
            |          __gettimeofday
            |          
            |--0.60%-- 0x7fff2dfff7d4
            |          0x7fff2dfff8bc
            |          __gettimeofday
             --1.79%-- [...]

     1.20%  postgres  postgres                       [.] ExecScan                           
            |
            --- ExecScan

     1.18%  postgres  postgres                       [.] shm_mq_receive_bytes               
            |
            --- shm_mq_receive_bytes

     1.16%  postgres  postgres                       [.] s_lock                             
            |
            --- s_lock

     1.14%  postgres  postgres                       [.] heap_parallelscan_nextpage         
            |
            --- heap_parallelscan_nextpage

     1.10%  postgres  postgres                       [.] make_result                        
            |
            --- make_result

     1.09%  postgres  postgres                       [.] ExecQual                           
            |
            --- ExecQual

     1.08%  postgres  postgres                       [.] do_numeric_accum                   
            |
            --- do_numeric_accum
               |          
               |--92.47%-- 0x0
                --7.53%-- [...]

     1.07%  postgres  postgres                       [.] advance_aggregates                 
            |
            --- advance_aggregates

     0.91%  postgres  postgres                       [.] heapgetpage                        
            |
            --- heapgetpage

     0.86%  postgres  postgres                       [.] SetLatch                           
            |
            --- SetLatch

     0.86%  postgres  postgres                       [.] advance_transition_function        
            |
            --- advance_transition_function

     0.82%  postgres  postgres                       [.] ExecClearTuple                     
            |
            --- ExecClearTuple

     0.82%  postgres  postgres                       [.] ExecEvalConst                      
            |
            --- ExecEvalConst

     0.79%  postgres  postgres                       [.] shm_mq_receive                     
            |
            --- shm_mq_receive

     0.78%  postgres  postgres                       [.] ExecEvalScalarVarFast              
            |
            --- ExecEvalScalarVarFast

     0.73%  postgres  postgres                       [.] int64_to_numericvar                
            |
            --- int64_to_numericvar

     0.70%  postgres  postgres                       [.] ExecAgg                            
            |
            --- ExecAgg

     0.68%  postgres  postgres                       [.] ExecStoreTuple                     
            |
            --- ExecStoreTuple

     0.65%  postgres  postgres                       [.] pg_detoast_datum_packed            
            |
            --- pg_detoast_datum_packed

     0.59%  postgres  postgres                       [.] pfree                              
            |
            --- pfree

     0.57%  postgres  postgres                       [.] execTuplesMatch                    
            |
            --- execTuplesMatch

     0.56%  postgres  postgres                       [.] palloc                             
            |
            --- palloc
               |          
               |--8.98%-- networkjoinsel
                --91.02%-- [...]

     0.55%  postgres  postgres                       [.] AllocSetFree                       
            |
            --- AllocSetFree

     0.53%  postgres  postgres                       [.] ExecStoreMinimalTuple              
            |
            --- ExecStoreMinimalTuple

     0.49%  postgres  postgres                       [.] slot_getsomeattrs                  
            |
            --- slot_getsomeattrs

     0.47%  postgres  postgres                       [.] UnpinBuffer.clone.0                
            |
            --- UnpinBuffer.clone.0

     0.46%  postgres  postgres                       [.] int8_avg_accum                     
            |
            --- int8_avg_accum

     0.42%  postgres  postgres                       [.] alloc_var                          
            |
            --- alloc_var

     0.41%  postgres  postgres                       [.] check_stack_depth                  
            |
            --- check_stack_depth

     0.40%  postgres  postgres                       [.] init_var_from_num                  
            |
            --- init_var_from_num
               |          
               |--68.03%-- 0x0
               |          
                --31.97%-- slot_getsomeattrs

     0.38%  postgres  postgres                       [.] PartialSeqNext                     
            |
            --- PartialSeqNext

     0.38%  postgres  postgres                       [.] FunctionCall2Coll                  
            |
            --- FunctionCall2Coll

     0.38%  postgres  postgres                       [.] pgstat_init_function_usage         
            |
            --- pgstat_init_function_usage

     0.37%  postgres  postgres                       [.] pgstat_end_function_usage          
            |
            --- pgstat_end_function_usage
               |          
               |--1.04%-- 0x2118ea00497ac1
               |          
               |--1.04%-- 0xe1c6500497ac1
               |          
               |--1.04%-- 0xc905c00497ac1
               |          
               |--1.04%-- 0xf1d0a00497ac1
               |          
               |--1.04%-- 0x1b369100497ac1
               |          
               |--1.04%-- 0x1083d300497ac1
               |          
               |--1.04%-- 0x952ec00497ac1
               |          
               |--1.04%-- 0x10d52500497ac1
               |          
               |--1.04%-- 0x1d5df700497ac1
               |          
               |--1.04%-- 0x2105bb00497ac1
               |          
               |--1.04%-- 0x1ef2f300497ac1
               |          
               |--1.04%-- 0x18e0ff00497ac1
               |          
               |--1.04%-- 0x13078f00497ac1
               |          
               |--1.04%-- 0x81c5400497ac1
               |          
               |--1.04%-- 0x10a9500497ac1
               |          
               |--1.04%-- 0x39daa00497ac1
               |          
               |--1.04%-- 0x17c1d300497ac1
               |          
               |--1.04%-- 0x11706400497ac1
               |          
               |--1.04%-- 0x49f9d00497ac1
               |          
               |--1.04%-- 0x1ab52100497ac1
               |          
               |--1.04%-- 0x673cf00497ac1
               |          
               |--1.04%-- 0x110a3e00497ac1
               |          
               |--1.04%-- 0xacb0d00497ac1
               |          
               |--1.04%-- 0x1bf8d00497ac1
               |          
               |--1.04%-- 0x607d00497ac1
               |          
               |--1.04%-- 0x8d88000497ac1
               |          
               |--1.04%-- 0x1dcc7400497ac1
               |          
               |--1.04%-- 0x14055f00497ac1
               |          
               |--1.04%-- 0x331e00497ac1
               |          
               |--1.04%-- 0x1e4c9200497ac1
               |          
               |--1.04%-- 0x1d4f3200497ac1
               |          
               |--1.04%-- 0x3d2df00497ac1
               |          
               |--1.04%-- 0x1088b900497ac1
               |          
               |--1.04%-- 0xf3a500497ac1
               |          
               |--1.04%-- 0x6bbb100497ac1
               |          
               |--1.04%-- 0x9093700497ac1
               |          
               |--1.04%-- 0x1fc1ac00497ac1
               |          
               |--1.04%-- 0x1c181000497ac1
               |          
               |--1.04%-- 0x1b0c4c00497ac1
               |          
               |--1.04%-- 0x128b5600497ac1
               |          
               |--1.04%-- 0xd1dd900497ac1
               |          
               |--1.04%-- 0x1a427600497ac1
               |          
               |--1.04%-- 0x1455eb00497ac1
               |          
               |--1.04%-- 0x2259100497ac1
               |          
               |--1.03%-- 0x165ad000497ac1
               |          
               |--1.02%-- 0x4bb4e00497ac1
                --52.10%-- [...]

     0.35%  postgres  postgres                       [.] TupleHashTableHash                 
            |
            --- TupleHashTableHash
               |          
               |--25.55%-- 0xd79af0
                --74.45%-- [...]

     0.34%  postgres  postgres                       [.] AllocSetReset                      
            |
            --- AllocSetReset

     0.34%  postgres  postgres                       [.] DirectFunctionCall1Coll            
            |
            --- DirectFunctionCall1Coll

     0.33%  postgres  postgres                       [.] LookupTupleHashEntry               
            |
            --- LookupTupleHashEntry
               |          
               |--55.29%-- 0xd7601000000000
                --44.71%-- [...]

     0.33%  postgres  postgres                       [.] TupleQueueFunnelNext               
            |
            --- TupleQueueFunnelNext

     0.33%  postgres  postgres                       [.] int4_sum                           
            |
            --- int4_sum

     0.31%  postgres  postgres                       [.] CheckForSerializableConflictOut    
            |
            --- CheckForSerializableConflictOut

     0.31%  postgres  postgres                       [.] XidInMVCCSnapshot                  
            |
            --- XidInMVCCSnapshot

     0.29%  postgres  postgres                       [.] LWLockRelease                      
            |
            --- LWLockRelease

     0.26%  postgres  postgres                       [.] hashbpchar                         
            |
            --- hashbpchar

     0.25%  postgres  postgres                       [.] MemoryContextReset                 
            |
            --- MemoryContextReset

     0.25%  postgres  postgres                       [.] ExecProcNode                       
            |
            --- ExecProcNode

     0.23%  postgres  postgres                       [.] ExecFunnel                         
            |
            --- ExecFunnel

     0.21%  postgres  postgres                       [.] InstrStopNode                      
            |
            --- InstrStopNode

     0.21%  postgres  postgres                       [.] FunctionCall1Coll                  
            |
            --- FunctionCall1Coll

     0.19%  postgres  postgres                       [.] int8_numeric                       
            |
            --- int8_numeric

     0.18%  postgres  postgres                       [.] heap_copytuple                     
            |
            --- heap_copytuple
               |          
               |--85.12%-- networkjoinsel
                --14.88%-- [...]

     0.17%  postgres  postgres                       [.] lc_collate_is_c                    
            |
            --- lc_collate_is_c

     0.16%  postgres  libc-2.12.so                   [.] __gettimeofday                     
            |
            --- __gettimeofday

     0.16%  postgres  postgres                       [.] TupleHashTableMatch                
            |
            --- TupleHashTableMatch

     0.16%  postgres  postgres                       [.] add_var                            
            |
            --- add_var
               |          
               |--65.85%-- 0x0
                --34.15%-- [...]

     0.16%  postgres  postgres                       [.] free_var                           
            |
            --- free_var

     0.16%  postgres  postgres                       [.] hash_search                        
            |
            --- hash_search
               |          
               |--73.10%-- 0xd79af0
               |          
                --26.90%-- 0xd7601000000000

     0.14%  postgres  postgres                       [.] strip_var                          
            |
            --- strip_var

     0.14%  postgres  postgres                       [.] ReadBuffer_common                  
            |
            --- ReadBuffer_common

     0.13%  postgres  postgres                       [.] ExecStoreVirtualTuple              
            |
            --- ExecStoreVirtualTuple

     0.12%  postgres  postgres                       [.] TransactionIdPrecedes              
            |
            --- TransactionIdPrecedes

     0.12%  postgres  postgres                       [.] LockBuffer                         
            |
            --- LockBuffer

     0.11%  postgres  postgres                       [.] GetPrivateRefCountEntry            
            |
            --- GetPrivateRefCountEntry

     0.09%  postgres  postgres                       [.] InstrStartNode                     
            |
            --- InstrStartNode

     0.08%  postgres  postgres                       [.] fetch_input_tuple                  
            |
            --- fetch_input_tuple

     0.07%  postgres  postgres                       [.] ResourceOwnerForgetBuffer          
            |
            --- ResourceOwnerForgetBuffer

     0.06%  postgres  postgres                       [.] ReadBufferExtended                 
            |
            --- ReadBufferExtended

     0.06%  postgres  postgres                       [.] MemoryContextResetOnly             
            |
            --- MemoryContextResetOnly

     0.05%  postgres  postgres                       [.] LWLockConditionalAcquire           
            |
            --- LWLockConditionalAcquire

     0.04%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                    
            |
            --- __memcmp_sse4_1

     0.03%  postgres  postgres                       [.] ResourceOwnerEnlargeBuffers        
            |
            --- ResourceOwnerEnlargeBuffers

     0.03%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                 
            |
            --- _spin_lock_irqsave
               |          
               |--49.99%-- ntp_tick_length
               |          do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- HeapTupleSatisfiesMVCC
               |          |          
               |          |--25.00%-- __gettimeofday
               |          |          
               |           --25.00%-- ExecMakeFunctionResultNoSets
               |          
               |--25.00%-- rcu_process_dyntick
               |          force_quiescent_state
               |          __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- varstr_cmp
               |          |          
               |           --49.99%-- memcpy
               |          
               |--12.51%-- test_clear_page_writeback
               |          end_page_writeback
               |          end_buffer_async_write
               |          end_bio_bh_io_sync
               |          bio_endio
               |          req_bio_endio
               |          blk_update_request
               |          blk_update_bidi_request
               |          blk_end_bidi_request
               |          blk_end_request
               |          scsi_io_completion
               |          scsi_finish_command
               |          scsi_softirq_done
               |          blk_done_softirq
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_call_function_single_interrupt
               |          call_function_single_interrupt
               |          HeapTupleSatisfiesMVCC
               |          
                --12.50%-- __rcu_process_callbacks
                          rcu_process_callbacks
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          int64_to_numericvar

     0.03%  postgres  [kernel.kallsyms]              [k] __do_softirq                       
            |
            --- __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--25.00%-- slot_deform_tuple
               |          
               |--12.50%-- palloc
               |          
               |--12.50%-- hash_search_with_hash_value
               |          
               |--12.50%-- shm_mq_inc_bytes_read
               |          
               |--12.50%-- shm_mq_receive_bytes
               |          
               |--12.50%-- PinBuffer
               |          
                --12.50%-- make_result

     0.03%  postgres  postgres                       [.] IncrBufferRefCount                 
            |
            --- IncrBufferRefCount

     0.02%  postgres  postgres                       [.] ReleaseBuffer                      
            |
            --- ReleaseBuffer

     0.02%  postgres  [kernel.kallsyms]              [k] _spin_lock                         
            |
            --- _spin_lock
               |          
               |--49.99%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--66.64%-- PinBuffer
               |          |          
               |           --33.36%-- hash_search_with_hash_value
               |          
               |--33.34%-- update_vsyscall
               |          timekeeping_update
               |          do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- advance_aggregates
               |          |          
               |           --50.00%-- memcpy
               |          
                --16.67%-- tick_do_update_jiffies64
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

     0.02%  postgres  postgres                       [.] pg_detoast_datum                   
            |
            --- pg_detoast_datum

     0.02%  postgres  postgres                       [.] ResourceOwnerRememberBuffer        
            |
            --- ResourceOwnerRememberBuffer

     0.02%  postgres  postgres                       [.] BufTableLookup                     
            |
            --- BufTableLookup

     0.02%  postgres  [kernel.kallsyms]              [k] native_read_tsc                    
            |
            --- native_read_tsc
               |          
               |--80.00%-- native_sched_clock
               |          sched_clock
               |          trace_clock_local
               |          rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          ftrace_raw_event_id_softirq
               |          |          
               |          |--50.01%-- ftrace_raw_event_softirq_exit
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--50.00%-- ExecProject
               |          |          |          
               |          |           --50.00%-- heap_getnext
               |          |          
               |          |--25.00%-- ftrace_raw_event_softirq_entry
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          varstr_cmp
               |          |          
               |           --24.99%-- ftrace_raw_event_softirq_raise
               |                     raise_softirq
               |                     run_local_timers
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     memcpy
               |          
                --20.00%-- read_tsc
                          ktime_get_update_offsets
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          varstr_cmp

     0.02%  postgres  postgres                       [.] IsToastNamespace                   
            |
            --- IsToastNamespace

     0.02%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq        
            |
            --- ftrace_raw_event_id_softirq
               |          
               |--60.00%-- ftrace_raw_event_softirq_raise
               |          raise_softirq
               |          rcu_check_callbacks
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- slot_getattr
               |          |          
               |          |--33.33%-- hash_search_with_hash_value
               |          |          
               |           --33.33%-- heap_parallelscan_nextpage
               |          
               |--20.00%-- ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          vread_tsc
               |          
                --20.00%-- ftrace_raw_event_softirq_entry
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

     0.02%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve           
            |
            --- ring_buffer_lock_reserve
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
               |          
               |--79.99%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--50.00%-- ftrace_raw_event_softirq_exit
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--50.01%-- hash_search_with_hash_value
               |          |          |          
               |          |           --49.99%-- add_abs
               |          |          
               |           --50.00%-- ftrace_raw_event_softirq_raise
               |                     raise_softirq
               |                     run_local_timers
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     |          
               |                     |--50.00%-- shm_mq_inc_bytes_read
               |                     |          
               |                      --50.00%-- bpcharle
               |          
                --20.01%-- ftrace_raw_event_irq_handler_entry
                          handle_IRQ_event
                          handle_edge_irq
                          handle_irq
                          do_IRQ
                          ret_from_intr
                          ExecProject

     0.02%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe              
            |
            --- native_write_msr_safe
               |          
               |--49.97%-- intel_pmu_disable_all
               |          x86_pmu_disable
               |          perf_pmu_disable
               |          perf_adjust_freq_unthr_context
               |          perf_event_task_tick
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- heap_getnext
               |          |          
               |           --50.00%-- slot_getattr
               |          
               |--25.04%-- intel_pmu_enable_all
               |          x86_pmu_enable
               |          perf_pmu_enable
               |          |          
               |          |--99.75%-- perf_adjust_freq_unthr_context
               |          |          perf_event_task_tick
               |          |          scheduler_tick
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          do_numeric_accum
               |           --0.25%-- [...]
               |          
                --24.99%-- x86_pmu_disable
                          perf_pmu_disable
                          perf_adjust_freq_unthr_context
                          perf_event_task_tick
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          slot_deform_tuple

     0.02%  postgres  postgres                       [.] BufTableHashCode                   
            |
            --- BufTableHashCode

     0.02%  postgres  postgres                       [.] isTempToastNamespace               
            |
            --- isTempToastNamespace

     0.02%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event              
            |
            --- rb_reserve_next_event
                ring_buffer_lock_reserve
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
               |          
               |--74.99%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--33.36%-- ftrace_raw_event_softirq_exit
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          slot_getattr
               |          |          
               |          |--33.33%-- ftrace_raw_event_softirq_raise
               |          |          raise_softirq
               |          |          run_local_timers
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          ExecProcNode
               |          |          
               |           --33.31%-- ftrace_raw_event_softirq_entry
               |                     __do_softirq
               |                     call_softirq
               |                     do_softirq
               |                     irq_exit
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     heap_page_prune_opt
               |          
                --25.01%-- ftrace_raw_event_sched_stat_runtime
                          update_curr
                          task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecProject

     0.02%  postgres  postgres                       [.] memcpy@plt                         
            |
            --- memcpy@plt
               |          
               |--74.98%-- networkjoinsel
                --25.02%-- [...]

     0.02%  postgres  [kernel.kallsyms]              [k] enqueue_hrtimer                    
            |
            --- enqueue_hrtimer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--25.02%-- int8_avg_accum
               |          
               |--25.00%-- hash_search_with_hash_value
               |          
               |--25.00%-- bpchareq
               |          
                --24.99%-- memcpy

     0.02%  postgres  [kernel.kallsyms]              [k] scheduler_tick                     
            |
            --- scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--25.20%-- int64_to_numericvar
               |          
               |--25.19%-- hash_search_with_hash_value
               |          
               |--25.18%-- vread_tsc
               |          
                --24.43%-- shm_mq_receive_bytes

     0.02%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                  
            |
            --- run_timer_softirq
               |          
               |--74.22%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--34.75%-- memcpy
               |          |          
               |          |--34.75%-- slot_getattr
               |          |          
               |           --30.50%-- thread_return
               |                     retint_careful
               |                     ExecQual
               |          
                --25.78%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecStoreTuple

     0.01%  postgres  postgres                       [.] DeconstructQualifiedName           
            |
            --- DeconstructQualifiedName

     0.01%  postgres  postgres                       [.] RecoveryInProgress                 
            |
            --- RecoveryInProgress

     0.01%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt               
            |
            --- apic_timer_interrupt
               |          
               |--33.34%-- AllocSetAlloc
               |          
               |--33.34%-- memcpy
               |          
                --33.32%-- bpcharle

     0.01%  postgres  postgres                       [.] IsCatalogClass                     
            |
            --- IsCatalogClass

     0.01%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write              
            |
            --- native_apic_mem_write
               |          
               |--33.34%-- smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          heap_getnext
               |          
               |--33.33%-- apic_timer_interrupt
               |          memcpy
               |          
                --33.33%-- clockevents_program_event
                          tick_dev_program_event
                          tick_program_event
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          0x7fff2dfff830

     0.01%  postgres  [kernel.kallsyms]              [k] rb_end_commit                      
            |
            --- rb_end_commit
                ring_buffer_unlock_commit
                trace_nowake_buffer_unlock_commit
               |          
               |--66.66%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--50.01%-- ftrace_raw_event_softirq_exit
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          ExecMakeFunctionResultNoSets
               |          |          
               |           --49.99%-- ftrace_raw_event_softirq_raise
               |                     raise_softirq
               |                     run_local_timers
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     ExecProject
               |          
                --33.34%-- ftrace_raw_event_sched_stat_runtime
                          update_curr
                          task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          int64_to_numericvar

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_gp_end                 
            |
            --- rcu_process_gp_end
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- ExecEvalScalarVarFast
               |          
               |--33.33%-- slot_getattr
               |          
                --33.33%-- heap_getnext

     0.01%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                  
            |
            --- __rb_reserve_next
                rb_reserve_next_event
                ring_buffer_lock_reserve
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
               |          
               |--66.68%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--50.01%-- ftrace_raw_event_softirq_exit
               |          |          __do_softirq
               |          |          call_softirq
               |          |          do_softirq
               |          |          irq_exit
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          IsToastNamespace
               |          |          
               |           --49.99%-- ftrace_raw_event_softirq_raise
               |                     raise_softirq
               |                     rcu_check_callbacks
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     AllocSetReset
               |          
                --33.32%-- ftrace_raw_event_sched_stat_runtime
                          update_curr
                          task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          slot_deform_tuple

     0.01%  postgres  [kernel.kallsyms]              [k] update_curr                        
            |
            --- update_curr
                task_tick_fair
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- ExecMakeFunctionResultNoSets
               |          
               |--33.34%-- bcTruelen
               |          
                --33.32%-- varstr_cmp

     0.01%  postgres  postgres                       [.] hash_seq_search                    
            |
            --- hash_seq_search

     0.01%  postgres  [kernel.kallsyms]              [k] rb_next                            
            |
            --- rb_next
               |          
               |--50.01%-- __remove_hrtimer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          memcpy
               |          
                --49.99%-- __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          LWLockAcquire

     0.01%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                  
            |
            --- update_cfs_shares
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- bcTruelen
               |          
                --50.00%-- ExecScan

     0.01%  postgres  postgres                       [.] gettimeofday@plt                   
            |
            --- gettimeofday@plt

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                          
            |
            --- ktime_get
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- ExecClearTuple
               |          
                --49.99%-- bcTruelen

     0.01%  postgres  [kernel.kallsyms]              [k] timekeeping_update                 
            |
            --- timekeeping_update
                do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- add_abs
               |          
                --50.00%-- varstr_cmp

     0.01%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit          
            |
            --- ring_buffer_unlock_commit
                trace_nowake_buffer_unlock_commit
               |          
               |--50.00%-- ftrace_raw_event_sched_stat_runtime
               |          update_curr
               |          task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          int64_to_numericvar
               |          
                --50.00%-- ftrace_raw_event_id_softirq
                          ftrace_raw_event_softirq_raise
                          raise_softirq
                          rcu_check_callbacks
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          hash_search_with_hash_value

     0.01%  postgres  [kernel.kallsyms]              [k] account_user_time                  
            |
            --- account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- AllocSetAlloc
               |          
                --49.99%-- bcTruelen

     0.01%  postgres  [kernel.kallsyms]              [k] printk_tick                        
            |
            --- printk_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- bpcharle
               |          
                --49.99%-- memcpy

     0.01%  postgres  [kernel.kallsyms]              [k] acct_update_integrals              
            |
            --- acct_update_integrals
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- advance_transition_function
               |          
                --49.99%-- slot_deform_tuple

     0.01%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update       
            |
            --- tracing_generic_entry_update
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
                ftrace_raw_event_id_softirq
                ftrace_raw_event_softirq_exit
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- ExecStoreTuple
               |          
                --50.00%-- hash_search_with_hash_value

     0.01%  postgres  [kernel.kallsyms]              [k] perf_event_task_tick               
            |
            --- perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.02%-- heap_parallelscan_nextpage
               |          
                --49.98%-- HeapTupleSatisfiesMVCC

     0.01%  postgres  [kernel.kallsyms]              [k] raise_softirq                      
            |
            --- raise_softirq
               |          
               |--50.01%-- update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          memcpy
               |          
                --49.99%-- run_local_timers
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bpchareq

     0.01%  postgres  postgres                       [.] heap_freetuple                     
            |
            --- heap_freetuple

     0.01%  postgres  [kernel.kallsyms]              [k] call_softirq                       
            |
            --- call_softirq
               |          
               |--50.01%-- irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          heap_parallelscan_nextpage
               |          
                --49.99%-- do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          UnpinBuffer.clone.0

     0.01%  postgres  [kernel.kallsyms]              [k] do_softirq                         
            |
            --- do_softirq
               |          
               |--50.04%-- irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          slot_deform_tuple
               |          
                --49.96%-- smp_apic_timer_interrupt
                          apic_timer_interrupt
                          hash_any

     0.01%  postgres  [kernel.kallsyms]              [k] __rcu_process_callbacks            
            |
            --- __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- memcpy
               |          
                --50.00%-- bpchareq

     0.01%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add               
            |
            --- __percpu_counter_add
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- PinBuffer
               |          
                --49.99%-- ExecEvalScalarVarFast

     0.01%  postgres  [kernel.kallsyms]              [k] dyntick_save_progress_counter      
            |
            --- dyntick_save_progress_counter
                rcu_process_dyntick
                force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.05%-- HeapTupleSatisfiesMVCC
               |          
                --49.95%-- heap_getnext

     0.01%  postgres  postgres                       [.] palloc0                            
            |
            --- palloc0

     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_enable                    
            |
            --- perf_pmu_enable
               |          
               |--95.62%-- perf_adjust_freq_unthr_context
               |          perf_event_task_tick
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          SetLatch
               |          
                --4.38%-- perf_event_context_sched_in
                          __perf_event_task_sched_in
                          finish_task_switch
                          thread_return
                          schedule_hrtimeout_range
                          poll_schedule_timeout
                          do_sys_poll
                          sys_poll
                          system_call
                          __poll
                          0x4cf570b62e62

     0.00%  postgres  postgres                       [.] tag_hash                           
            |
            --- tag_hash

     0.00%  postgres  [kernel.kallsyms]              [k] _spin_trylock                      
            |
            --- _spin_trylock
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_getattr

     0.00%  postgres  [kernel.kallsyms]              [k] free_hot_cold_page                 
            |
            --- free_hot_cold_page
                __pagevec_free
                release_pages
                __pagevec_release
                shmem_pagevec_release
                shmem_truncate_range
                shmem_delete_inode
                generic_delete_inode
                iput
                do_unlinkat
                sys_unlink
                system_call
                __GI___unlink

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_process_dyntick                
            |
            --- rcu_process_dyntick
                force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                vread_tsc

     0.00%  postgres  [kernel.kallsyms]              [k] ktime_get_update_offsets           
            |
            --- ktime_get_update_offsets
                smp_apic_timer_interrupt
                apic_timer_interrupt
                bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] idle_cpu                           
            |
            --- idle_cpu
                irq_enter
                smp_apic_timer_interrupt
                apic_timer_interrupt
                bpchareq

     0.00%  postgres  [kernel.kallsyms]              [k] clockevents_program_event          
            |
            --- clockevents_program_event
                tick_dev_program_event
                tick_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                HeapTupleSatisfiesMVCC

     0.00%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                      
            |
            --- __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                AllocSetAlloc

     0.00%  postgres  [kernel.kallsyms]              [k] find_next_bit                      
            |
            --- find_next_bit
                select_idle_sibling
                select_task_rq_fair
                try_to_wake_up
                wake_up_process
                hrtimer_wakeup
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_deform_tuple

     0.00%  postgres  postgres                       [.] IsCatalogRelation                  
            |
            --- IsCatalogRelation

     0.00%  postgres  postgres                       [.] get_hash_value                     
            |
            --- get_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] mempool_free                       
            |
            --- mempool_free
                bio_fs_destructor
                bio_put
                end_bio_bh_io_sync
                bio_endio
                req_bio_endio
                blk_update_request
                blk_update_bidi_request
                blk_end_bidi_request
                blk_end_request
                scsi_io_completion
                scsi_finish_command
                scsi_softirq_done
                blk_done_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_call_function_single_interrupt
                call_function_single_interrupt
                HeapTupleSatisfiesMVCC

     0.00%  postgres  [kernel.kallsyms]              [k] calc_global_load                   
            |
            --- calc_global_load
                do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                heap_getnext

     0.00%  postgres  [kernel.kallsyms]              [k] cfq_group_service_tree_add         
            |
            --- cfq_group_service_tree_add
                __cfq_slice_expired
                cfq_idle_slice_timer
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                bpcharle

     0.00%  postgres  [kernel.kallsyms]              [k] __local_bh_enable                  
            |
            --- __local_bh_enable
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                HeapTupleSatisfiesMVCC

     0.00%  postgres  postgres                       [.] ExecPartialSeqScan                 
            |
            --- ExecPartialSeqScan

     0.00%  postgres  [kernel.kallsyms]              [k] exit_idle                          
            |
            --- exit_idle
                apic_timer_interrupt
                pgstat_init_function_usage

     0.00%  postgres  [kernel.kallsyms]              [k] trace_clock_local                  
            |
            --- trace_clock_local
                rb_reserve_next_event
                ring_buffer_lock_reserve
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
                ftrace_raw_event_id_softirq
                ftrace_raw_event_softirq_entry
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_getattr

     0.00%  postgres  [kernel.kallsyms]              [k] do_timer                           
            |
            --- do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                advance_transition_function

     0.00%  postgres  [kernel.kallsyms]              [k] dma_issue_pending_all              
            |
            --- dma_issue_pending_all
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                vread_tsc

     0.00%  postgres  [kernel.kallsyms]              [k] update_cpu_load                    
            |
            --- update_cpu_load
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                ExecMakeFunctionResultNoSets

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime
            |
            --- ftrace_raw_event_sched_stat_runtime
                update_curr
                task_tick_fair
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                PinBuffer

     0.00%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock             
            |
            --- trace_recursive_unlock
                ring_buffer_unlock_commit
                trace_nowake_buffer_unlock_commit
                ftrace_raw_event_id_softirq
                ftrace_raw_event_softirq_entry
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                advance_transition_function

     0.00%  postgres  [kernel.kallsyms]              [k] force_quiescent_state              
            |
            --- force_quiescent_state
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                init_var_from_num

     0.00%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data             
            |
            --- ring_buffer_event_data
                ftrace_raw_event_softirq_entry
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                DirectFunctionCall1Coll

     0.00%  postgres  [kernel.kallsyms]              [k] x86_pmu_disable                    
            |
            --- x86_pmu_disable
                perf_pmu_disable
                perf_adjust_freq_unthr_context
                perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_getsomeattrs

     0.00%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore            
            |
            --- _spin_unlock_irqrestore
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] tick_sched_timer                   
            |
            --- tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                pfree

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_bh_qs                          
            |
            --- rcu_bh_qs
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                MemoryContextReset

     0.00%  postgres  [kernel.kallsyms]              [k] run_posix_cpu_timers               
            |
            --- run_posix_cpu_timers
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                AllocSetAlloc

     0.00%  postgres  [kernel.kallsyms]              [k] blk_update_request                 
            |
            --- blk_update_request
                blk_update_bidi_request
                blk_end_bidi_request
                blk_end_request
                scsi_io_completion
                scsi_finish_command
                scsi_softirq_done
                blk_done_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                make_result

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks              
            |
            --- rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                hash_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] rb_erase                           
            |
            --- rb_erase
                __remove_hrtimer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                ExecProject

     0.00%  postgres  postgres                       [.] PostgresMain                       
            |
            --- PostgresMain



#
# (For a higher level overview, try: perf report --sort comm,dso)
#
