# ========
# captured on: Tue Sep 22 15:30:11 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 93618 
# 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 = { 23 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 35K of event 'cycles'
# Event count (approx.): 25407618835
#
# Overhead   Command                  Shared Object                                   Symbol
# ........  ........  .............................  .......................................
#
    19.26%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC             
            |
            --- HeapTupleSatisfiesMVCC

    11.68%  postgres  postgres                       [.] bcTruelen                          
            |
            --- bcTruelen

    10.90%  postgres  postgres                       [.] varstr_cmp                         
            |
            --- varstr_cmp

     6.69%  postgres  postgres                       [.] slot_deform_tuple                  
            |
            --- slot_deform_tuple

     6.57%  postgres  postgres                       [.] hash_search_with_hash_value        
            |
            --- hash_search_with_hash_value
               |          
               |--0.04%-- 0xd97ca000000000
                --99.96%-- [...]

     5.80%  postgres  postgres                       [.] heap_getnext                       
            |
            --- heap_getnext

     5.17%  postgres  postgres                       [.] ExecMakeFunctionResultNoSets       
            |
            --- ExecMakeFunctionResultNoSets

     3.58%  postgres  postgres                       [.] slot_getattr                       
            |
            --- slot_getattr

     3.24%  postgres  postgres                       [.] bpcharle                           
            |
            --- bpcharle

     2.74%  postgres  postgres                       [.] ExecScan                           
            |
            --- ExecScan

     2.52%  postgres  postgres                       [.] heap_page_prune_opt                
            |
            --- heap_page_prune_opt

     1.91%  postgres  postgres                       [.] heapgetpage                        
            |
            --- heapgetpage

     1.77%  postgres  postgres                       [.] ExecQual                           
            |
            --- ExecQual

     1.70%  postgres  postgres                       [.] LWLockAcquire                      
            |
            --- LWLockAcquire

     1.47%  postgres  postgres                       [.] ExecEvalScalarVarFast              
            |
            --- ExecEvalScalarVarFast

     1.36%  postgres  postgres                       [.] ExecEvalConst                      
            |
            --- ExecEvalConst

     1.30%  postgres  postgres                       [.] ExecStoreTuple                     
            |
            --- ExecStoreTuple

     0.96%  postgres  postgres                       [.] check_stack_depth                  
            |
            --- check_stack_depth

     0.89%  postgres  postgres                       [.] pg_detoast_datum_packed            
            |
            --- pg_detoast_datum_packed

     0.76%  postgres  postgres                       [.] SeqNext                            
            |
            --- SeqNext

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

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

     0.71%  postgres  postgres                       [.] CheckForSerializableConflictOut    
            |
            --- CheckForSerializableConflictOut

     0.66%  postgres  postgres                       [.] LWLockRelease                      
            |
            --- LWLockRelease

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

     0.57%  postgres  postgres                       [.] pgstat_end_function_usage          
            |
            --- pgstat_end_function_usage
               |          
               |--1.98%-- add_var
               |          
               |--0.88%-- 0x7fff2dec7f6f
               |          
               |--0.50%-- 0x8c9cc00497ac1
               |          
               |--0.50%-- 0x81b3500497ac1
               |          
               |--0.50%-- 0x14acb900497ac1
               |          
               |--0.50%-- 0xc9bf00497ac1
               |          
               |--0.50%-- 0x14631500497ac1
               |          
               |--0.50%-- 0x101e8900497ac1
               |          
               |--0.50%-- 0x160a1900497ac1
               |          
               |--0.50%-- 0x213800497ac1
               |          
               |--0.50%-- 0x1a907800497ac1
               |          
               |--0.50%-- 0xd86d600497ac1
               |          
               |--0.50%-- 0x1ffcaf00497ac1
               |          
               |--0.50%-- 0x16123e00497ac1
               |          
               |--0.50%-- 0x1518c400497ac1
               |          
               |--0.50%-- 0x193a5800497ac1
               |          
               |--0.50%-- 0x18d8cb00497ac1
               |          
               |--0.50%-- 0x3dce500497ac1
               |          
               |--0.50%-- 0xe93a500497ac1
               |          
               |--0.50%-- 0xf77e600497ac1
               |          
               |--0.50%-- 0x9c10500497ac1
               |          
               |--0.50%-- 0xcfd1100497ac1
               |          
               |--0.50%-- 0x111d2300497ac1
               |          
               |--0.50%-- 0x17082f00497ac1
               |          
               |--0.50%-- 0x1f21a700497ac1
               |          
               |--0.50%-- 0x49ef000497ac1
               |          
               |--0.50%-- 0xe129100497ac1
               |          
               |--0.50%-- 0x6d89300497ac1
               |          
               |--0.50%-- 0xe2adc00497ac1
               |          
               |--0.50%-- 0x1c893a00497ac1
               |          
               |--0.50%-- 0x21333a00497ac1
               |          
               |--0.50%-- 0x1954ca00497ac1
               |          
               |--0.50%-- 0x1264100497ac1
               |          
               |--0.50%-- 0x22f64400497ac1
               |          
               |--0.50%-- 0x169b9b00497ac1
               |          
               |--0.50%-- 0x11055a00497ac1
               |          
               |--0.50%-- 0x1f4aec00497ac1
               |          
               |--0.50%-- 0x86c4600497ac1
               |          
               |--0.50%-- 0x1331fb00497ac1
               |          
               |--0.50%-- 0xeb70200497ac1
               |          
               |--0.50%-- 0x23d0a700497ac1
               |          
               |--0.50%-- 0xbc62e00497ac1
               |          
               |--0.50%-- 0x6eac500497ac1
               |          
               |--0.50%-- 0x125df300497ac1
               |          
               |--0.50%-- 0x21e27100497ac1
               |          
               |--0.50%-- 0x3212900497ac1
               |          
               |--0.50%-- 0x1ab68e00497ac1
               |          
               |--0.50%-- 0x20ecd300497ac1
               |          
               |--0.50%-- 0x5e80900497ac1
               |          
               |--0.50%-- 0x14d12900497ac1
               |          
               |--0.50%-- 0x17c32700497ac1
               |          
               |--0.50%-- 0x184b1000497ac1
               |          
               |--0.50%-- 0x15384400497ac1
               |          
               |--0.50%-- 0x1281af00497ac1
               |          
               |--0.50%-- 0x22f9d000497ac1
               |          
               |--0.50%-- 0x311f900497ac1
               |          
               |--0.50%-- 0x1ce52700497ac1
               |          
               |--0.50%-- 0x21202a00497ac1
               |          
               |--0.50%-- 0x138d0100497ac1
               |          
               |--0.50%-- 0x190e0d00497ac1
               |          
               |--0.50%-- 0x1ce7ee00497ac1
               |          
               |--0.50%-- 0xbec4700497ac1
               |          
               |--0.50%-- 0x127f7100497ac1
               |          
               |--0.50%-- 0x22cf0d00497ac1
               |          
               |--0.50%-- 0x757eb00497ac1
               |          
               |--0.50%-- 0x1409ad00497ac1
               |          
               |--0.50%-- 0x19ffbd00497ac1
               |          
               |--0.50%-- 0x19cb2500497ac1
               |          
               |--0.50%-- 0x7f96900497ac1
               |          
               |--0.50%-- 0x1601100497ac1
               |          
               |--0.50%-- 0x23874c00497ac1
               |          
               |--0.50%-- 0x1d2be700497ac1
               |          
               |--0.50%-- 0x1ffd3f00497ac1
               |          
               |--0.50%-- 0x8715400497ac1
               |          
               |--0.50%-- 0x1c178500497ac1
               |          
               |--0.50%-- 0x14599400497ac1
               |          
               |--0.50%-- 0x10a2a400497ac1
               |          
               |--0.50%-- 0xafe0000497ac1
               |          
               |--0.50%-- 0x1ade800497ac1
               |          
               |--0.50%-- 0x21dd2400497ac1
               |          
               |--0.50%-- 0x128b3000497ac1
               |          
               |--0.50%-- 0x1f194e00497ac1
               |          
               |--0.50%-- 0x12c1f700497ac1
               |          
               |--0.50%-- 0x21f3cd00497ac1
               |          
               |--0.50%-- 0x162e2100497ac1
               |          
               |--0.50%-- 0x1d980b00497ac1
               |          
               |--0.50%-- 0x20affa00497ac1
               |          
               |--0.50%-- 0xc247500497ac1
               |          
               |--0.50%-- 0x18480d00497ac1
               |          
               |--0.50%-- 0x8207300497ac1
               |          
               |--0.50%-- 0xf3bf000497ac1
               |          
               |--0.50%-- 0xa911500497ac1
               |          
               |--0.50%-- 0x11a34700497ac1
                --52.04%-- [...]

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

     0.47%  postgres  postgres                       [.] lc_collate_is_c                    
            |
            --- lc_collate_is_c

     0.43%  postgres  postgres                       [.] hash_any                           
            |
            --- hash_any

     0.41%  postgres  postgres                       [.] UnpinBuffer.clone.0                
            |
            --- UnpinBuffer.clone.0

     0.39%  postgres  postgres                       [.] MemoryContextReset                 
            |
            --- MemoryContextReset

     0.30%  postgres  postgres                       [.] TransactionIdPrecedes              
            |
            --- TransactionIdPrecedes

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

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

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

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

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

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

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

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

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

     0.07%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                    
            |
            --- __memcmp_sse4_1

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

     0.07%  postgres  postgres                       [.] do_numeric_accum                   
            |
            --- do_numeric_accum
                (nil)

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

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

     0.05%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                          
            |
            --- vread_tsc
               |          
               |--68.75%-- 0x7fff2dfff814
               |          0x7fff2dfff8bc
               |          __gettimeofday
               |          
                --31.25%-- 0x7fff2dfff8bc
                          __gettimeofday

     0.05%  postgres  [kernel.kallsyms]              [k] _spin_lock                         
            |
            --- _spin_lock
               |          
               |--37.50%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.33%-- slot_getattr
               |          |          
               |          |--16.67%-- slot_deform_tuple
               |          |          
               |          |--16.67%-- bcTruelen
               |          |          
               |          |--16.67%-- heap_getnext
               |          |          
               |           --16.66%-- hash_search_with_hash_value
               |          
               |--31.25%-- do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--20.01%-- pgstat_end_function_usage
               |          |          
               |          |--20.00%-- HeapTupleSatisfiesMVCC
               |          |          
               |          |--20.00%-- slot_deform_tuple
               |          |          
               |          |--20.00%-- ExecStoreTuple
               |          |          
               |           --19.99%-- hash_search_with_hash_value
               |          
               |--12.50%-- smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- bcTruelen
               |          |          
               |           --50.00%-- hash_search_with_hash_value
               |          
               |--6.25%-- force_quiescent_state
               |          __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          heapgetpage
               |          
               |--6.25%-- update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          pgstat_end_function_usage
               |          
                --6.25%-- hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ResourceOwnerForgetBuffer

     0.04%  postgres  postgres                       [.] make_result                        
            |
            --- make_result

     0.04%  postgres  [vdso]                         [.] 0x00007fff2dfff89d                 
            |          
            |--21.44%-- 0x7fff2dfff8a4
            |          __gettimeofday
            |          
            |--14.29%-- 0x7fff2dfff8b0
            |          __gettimeofday
            |          
            |--7.15%-- 0x7fff2dfff811
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--7.15%-- 0x7fff2dfff8cd
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff826
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff814
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff7f9
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff81f
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff8db
            |          __gettimeofday
            |          
            |--7.14%-- 0x7fff2dfff89d
            |          __gettimeofday
            |          
             --7.13%-- 0x7fff2dfff82a
                       0x7fff2dfff8bc
                       __gettimeofday

     0.04%  postgres  postgres                       [.] advance_aggregates                 
            |
            --- advance_aggregates

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

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

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

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

     0.03%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                 
            |
            --- _spin_lock_irqsave
               |          
               |--54.54%-- ntp_tick_length
               |          do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- heap_page_prune_opt
               |          |          
               |          |--16.67%-- varstr_cmp
               |          |          
               |          |--16.67%-- ExecMakeFunctionResultNoSets
               |          |          
               |          |--16.66%-- ExecEvalScalarVarFast
               |          |          
               |           --16.66%-- heap_getnext
               |          
               |--27.28%-- 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
               |          |          
               |          |--33.34%-- bcTruelen
               |          |          
               |          |--33.33%-- varstr_cmp
               |          |          
               |           --33.32%-- heap_getnext
               |          
                --18.18%-- __rcu_process_callbacks
                          rcu_process_callbacks
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.00%-- slot_deform_tuple
                          |          
                           --50.00%-- slot_getattr

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

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

     0.03%  postgres  [kernel.kallsyms]              [k] scheduler_tick                     
            |
            --- scheduler_tick
               |          
               |--80.01%-- update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--25.01%-- ExecScan
               |          |          
               |          |--25.00%-- heap_getnext
               |          |          
               |          |--12.50%-- slot_deform_tuple
               |          |          
               |          |--12.50%-- hash_search_with_hash_value
               |          |          
               |          |--12.50%-- varstr_cmp
               |          |          
               |           --12.50%-- heapgetpage
               |          
                --19.99%-- tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.01%-- varstr_cmp
                          |          
                           --49.99%-- GetPrivateRefCountEntry

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

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

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

     0.02%  postgres  postgres                       [.] int64_to_numericvar                
            |
            --- int64_to_numericvar

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

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

     0.02%  postgres  postgres                       [.] int4_sum                           
            |
            --- int4_sum

     0.02%  postgres  postgres                       [.] int8_avg_accum                     
            |
            --- int8_avg_accum

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

     0.02%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe              
            |
            --- native_write_msr_safe
               |          
               |--49.99%-- 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
               |          |          
               |          |--66.67%-- ExecMakeFunctionResultNoSets
               |          |          
               |           --33.33%-- HeapTupleSatisfiesMVCC
               |          
               |--33.34%-- intel_pmu_enable_all
               |          x86_pmu_enable
               |          perf_pmu_enable
               |          |          
               |          |--99.95%-- 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%-- slot_deform_tuple
               |          |          |          
               |          |           --50.00%-- HeapTupleSatisfiesMVCC
               |           --0.05%-- [...]
               |          
                --16.67%-- x86_pmu_enable
                          perf_pmu_enable
                          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
                          HeapTupleSatisfiesMVCC

     0.02%  postgres  postgres                       [.] add_var                            
            |
            --- add_var
               |          
               |--66.67%-- 0x0
                --33.33%-- [...]

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

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

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

     0.02%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event              
            |
            --- rb_reserve_next_event
               |          
               |--83.33%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--80.01%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--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%-- HeapTupleSatisfiesMVCC
               |          |          |          |          
               |          |          |           --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
               |          |          |          hash_search_with_hash_value
               |          |          |          
               |          |           --24.99%-- ftrace_raw_event_softirq_exit
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     HeapTupleSatisfiesMVCC
               |          |          
               |           --19.99%-- 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
               |                     varstr_cmp
               |          
                --16.67%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          ftrace_raw_event_id_softirq
                          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
                          slot_getattr

     0.02%  postgres  [kernel.kallsyms]              [k] task_tick_fair                     
            |
            --- task_tick_fair
               |          
               |--50.01%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- ExecEvalScalarVarFast
               |          |          
               |          |--33.34%-- bcTruelen
               |          |          
               |           --33.32%-- HeapTupleSatisfiesMVCC
               |          
                --49.99%-- update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--33.35%-- ReadBufferExtended
                          |          
                          |--33.33%-- heap_page_prune_opt
                          |          
                           --33.32%-- LWLockAcquire

     0.02%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit          
            |
            --- ring_buffer_unlock_commit
               |          
               |--66.67%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--50.01%-- 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
               |          |          |          
               |          |          |--50.02%-- ExecStoreTuple
               |          |          |          
               |          |           --49.98%-- heap_getnext
               |          |          
               |           --49.99%-- 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
               |                     |          
               |                     |--50.02%-- ExecScan
               |                     |          
               |                      --49.98%-- pg_detoast_datum_packed
               |          
                --33.33%-- ftrace_raw_event_id_softirq
                          |          
                          |--50.01%-- 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
                          |          ExecMakeFunctionResultNoSets
                          |          
                           --49.99%-- ftrace_raw_event_softirq_exit
                                     __do_softirq
                                     call_softirq
                                     do_softirq
                                     irq_exit
                                     smp_apic_timer_interrupt
                                     apic_timer_interrupt
                                     HeapTupleSatisfiesMVCC

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

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

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

     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
               |          
               |--20.01%-- hash_search_with_hash_value
               |          
               |--20.00%-- heap_getnext
               |          
               |--20.00%-- slot_deform_tuple
               |          
               |--19.99%-- varstr_cmp
               |          
                --19.99%-- HeapTupleSatisfiesMVCC

     0.01%  postgres  postgres                       [.] init_var_from_num                  
            |
            --- init_var_from_num
               |          
               |--60.00%-- 0x0
               |          
                --40.00%-- slot_getsomeattrs

     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
               |          
               |--80.00%-- ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- bcTruelen
               |          |          
               |          |--25.00%-- varstr_cmp
               |          |          
               |           --24.99%-- ExecMakeFunctionResultNoSets
               |          
                --20.00%-- ftrace_raw_event_softirq_entry
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          SeqNext

     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
               |          
               |--20.00%-- bcTruelen
               |          
               |--20.00%-- HeapTupleSatisfiesMVCC
               |          
               |--20.00%-- heapgetpage
               |          
               |--20.00%-- varstr_cmp
               |          
                --20.00%-- heap_page_prune_opt

     0.01%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                  
            |
            --- __rb_reserve_next
               |          
               |--80.01%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          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
               |          |          |          
               |          |          |--50.00%-- HeapTupleSatisfiesMVCC
               |          |          |          
               |          |           --50.00%-- SeqNext
               |          |          
               |           --50.00%-- ftrace_raw_event_softirq_raise
               |                     |          
               |                     |--50.03%-- raise_softirq_irqoff
               |                     |          __netif_schedule
               |                     |          dev_watchdog
               |                     |          run_timer_softirq
               |                     |          __do_softirq
               |                     |          call_softirq
               |                     |          do_softirq
               |                     |          irq_exit
               |                     |          smp_apic_timer_interrupt
               |                     |          apic_timer_interrupt
               |                     |          bcTruelen
               |                     |          
               |                      --49.97%-- raise_softirq
               |                                rcu_check_callbacks
               |                                update_process_times
               |                                tick_sched_timer
               |                                __run_hrtimer
               |                                hrtimer_interrupt
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                UnpinBuffer.clone.0
               |          
                --19.99%-- ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          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
                          slot_deform_tuple

     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                       
            |
            --- __do_softirq
               |          
               |--79.99%-- call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--25.02%-- bcTruelen
               |          |          
               |          |--25.01%-- pgstat_end_function_usage
               |          |          
               |          |--24.99%-- heapgetpage
               |          |          
               |           --24.98%-- HeapTupleSatisfiesMVCC
               |          
                --20.01%-- do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

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

     0.01%  postgres  postgres                       [.] FunctionCall2Coll                  
            |
            --- FunctionCall2Coll

     0.01%  postgres  postgres                       [.] TupleHashTableHash                 
            |
            --- TupleHashTableHash
               |          
               |--25.00%-- 0xd9b780
                --75.00%-- [...]

     0.01%  postgres  libc-2.12.so                   [.] __gettimeofday                     
            |
            --- __gettimeofday

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

     0.01%  postgres  postgres                       [.] LookupTupleHashEntry               
            |
            --- LookupTupleHashEntry
               |          
               |--25.00%-- 0xd97ca000000000
                --75.00%-- [...]

     0.01%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve           
            |
            --- ring_buffer_lock_reserve
               |          
               |--50.01%-- 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
               |          |          
               |          |--50.00%-- varstr_cmp
               |          |          
               |           --50.00%-- pg_detoast_datum_packed
               |          
                --49.99%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          ftrace_raw_event_id_softirq
                          ftrace_raw_event_softirq_raise
                          raise_softirq
                          |          
                          |--50.01%-- rcu_check_callbacks
                          |          update_process_times
                          |          tick_sched_timer
                          |          __run_hrtimer
                          |          hrtimer_interrupt
                          |          smp_apic_timer_interrupt
                          |          apic_timer_interrupt
                          |          HeapTupleSatisfiesMVCC
                          |          
                           --49.99%-- run_local_timers
                                     update_process_times
                                     tick_sched_timer
                                     __run_hrtimer
                                     hrtimer_interrupt
                                     smp_apic_timer_interrupt
                                     apic_timer_interrupt
                                     HeapTupleSatisfiesMVCC

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

     0.01%  postgres  [kernel.kallsyms]              [k] update_curr                        
            |
            --- update_curr
               |          
               |--75.01%-- 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%-- LWLockAcquire
               |          |          
               |           --33.33%-- LockBuffer
               |          
                --24.99%-- scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bpcharle

     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
               |          
               |--25.02%-- TransactionIdPrecedes
               |          
               |--25.01%-- varstr_cmp
               |          
               |--24.99%-- HeapTupleSatisfiesMVCC
               |          
                --24.98%-- slot_getattr

     0.01%  postgres  libc-2.12.so                   [.] memcpy                             
            |
            --- memcpy

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

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks              
            |
            --- rcu_process_callbacks
               |          
               |--66.66%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- ExecMakeFunctionResultNoSets
               |          |          
               |           --49.99%-- heap_getnext
               |          
                --33.34%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecMakeFunctionResultNoSets

     0.01%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt               
            |
            --- apic_timer_interrupt
               |          
               |--33.35%-- varstr_cmp
               |          
               |--33.33%-- hash_search_with_hash_value
               |          
                --33.32%-- HeapTupleSatisfiesMVCC

     0.01%  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
               |          
               |--66.67%-- 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
               |          |          
               |          |--50.02%-- bcTruelen
               |          |          
               |           --49.98%-- slot_deform_tuple
               |          
                --33.33%-- 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
                          varstr_cmp

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

     0.01%  postgres  [kernel.kallsyms]              [k] raise_softirq                      
            |
            --- raise_softirq
               |          
               |--66.67%-- run_local_timers
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- bcTruelen
               |          |          
               |           --49.99%-- bpcharle
               |          
                --33.33%-- rcu_check_callbacks
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          slot_deform_tuple

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

     0.01%  postgres  postgres                       [.] int8_numeric                       
            |
            --- int8_numeric

     0.01%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard       
            |
            --- filter_current_check_discard
               |          
               |--33.34%-- 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
               |          LWLockRelease
               |          
               |--33.33%-- ftrace_raw_event_softirq_entry
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          heap_getnext
               |          
                --33.33%-- 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
                          varstr_cmp

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                          
            |
            --- ktime_get
               |          
               |--66.68%-- tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- hash_search_with_hash_value
               |          |          
               |           --50.00%-- HeapTupleSatisfiesMVCC
               |          
                --33.32%-- tick_dev_program_event
                          tick_program_event
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                  
            |
            --- run_timer_softirq
               |          
               |--66.68%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.02%-- varstr_cmp
               |          |          
               |           --49.98%-- heap_getnext
               |          
                --33.32%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          HeapTupleSatisfiesMVCC

     0.01%  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
               |          
               |--33.42%-- slot_deform_tuple
               |          
               |--33.39%-- pg_detoast_datum_packed
               |          
                --33.18%-- heapgetpage

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

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                      
            |
            --- __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- varstr_cmp
               |          
                --49.99%-- ExecScan

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

     0.01%  postgres  postgres                       [.] hash_search                        
            |
            --- hash_search
                0xd9b780

     0.01%  postgres  [kernel.kallsyms]              [k] irq_exit                           
            |
            --- irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- ExecMakeFunctionResultNoSets
               |          
                --49.99%-- ExecStoreTuple

     0.01%  postgres  [kernel.kallsyms]              [k] sched_clock_tick                   
            |
            --- sched_clock_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- hash_search_with_hash_value
               |          
                --50.00%-- HeapTupleSatisfiesMVCC

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

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

     0.01%  postgres  postgres                       [.] DirectFunctionCall1Coll            
            |
            --- DirectFunctionCall1Coll

     0.01%  postgres  [kernel.kallsyms]              [k] idle_cpu                           
            |
            --- idle_cpu
               |          
               |--50.00%-- irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          ReadBufferExtended
               |          
                --50.00%-- irq_enter
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

     0.01%  postgres  [kernel.kallsyms]              [k] native_sched_clock                 
            |
            --- native_sched_clock
               |          
               |--50.02%-- 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
               |          ftrace_raw_event_softirq_entry
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          ExecStoreTuple
               |          
                --49.98%-- 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_raise
                          raise_softirq
                          run_local_timers
                          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] _spin_lock_irq                     
            |
            --- _spin_lock_irq
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- heap_page_prune_opt
               |          
                --49.99%-- lc_collate_is_c

     0.01%  postgres  [kernel.kallsyms]              [k] rb_end_commit                      
            |
            --- rb_end_commit
                ring_buffer_unlock_commit
                trace_nowake_buffer_unlock_commit
                ftrace_raw_event_id_softirq
                ftrace_raw_event_softirq_raise
                raise_softirq
               |          
               |--50.01%-- run_local_timers
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          slot_getattr
               |          
                --49.99%-- rcu_check_callbacks
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecMakeFunctionResultNoSets

     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
               |          
               |--50.02%-- HeapTupleSatisfiesMVCC
               |          
                --49.98%-- lc_collate_is_c

     0.01%  postgres  [kernel.kallsyms]              [k] perf_adjust_freq_unthr_context     
            |
            --- perf_adjust_freq_unthr_context
               |          
               |--50.00%-- perf_event_task_tick
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          hash_search_with_hash_value
               |          
                --50.00%-- scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecMakeFunctionResultNoSets

     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
               |          
               |--50.00%-- HeapTupleSatisfiesMVCC
               |          
                --50.00%-- bpcharle

     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
               |          
               |--50.02%-- HeapTupleSatisfiesMVCC
               |          
                --49.98%-- slot_getattr

     0.01%  postgres  [kernel.kallsyms]              [k] _spin_trylock                      
            |
            --- _spin_trylock
                force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.02%-- hash_search_with_hash_value
               |          
                --49.98%-- pg_detoast_datum_packed

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

     0.01%  postgres  [kernel.kallsyms]              [k] native_read_tsc                    
            |
            --- native_read_tsc
               |          
               |--50.00%-- 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
               |          ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          bpcharle
               |          
                --50.00%-- read_tsc
                          do_timer
                          tick_do_update_jiffies64
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecEvalScalarVarFast

     0.01%  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
               |          
               |--50.00%-- heap_getnext
               |          
                --50.00%-- hash_search_with_hash_value

     0.01%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock             
            |
            --- trace_recursive_unlock
                trace_nowake_buffer_unlock_commit
                ftrace_raw_event_id_softirq
               |          
               |--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
               |          HeapTupleSatisfiesMVCC
               |          
                --50.00%-- ftrace_raw_event_softirq_exit
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          XidInMVCCSnapshot

     0.01%  postgres  [kernel.kallsyms]              [k] tick_dev_program_event             
            |
            --- tick_dev_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                HeapTupleSatisfiesMVCC

     0.01%  postgres  postgres                       [.] FunctionCall1Coll                  
            |
            --- FunctionCall1Coll

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

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

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

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

     0.00%  postgres  postgres                       [.] base_yyparse                       
            |
            --- base_yyparse
                (nil)

     0.00%  postgres  libc-2.12.so                   [.] __sigsetjmp                        
            |
            --- __sigsetjmp

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

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

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

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

     0.00%  postgres  postgres                       [.] palloc0                            
            |
            --- palloc0

     0.00%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore            
            |
            --- _spin_unlock_irqrestore
               |          
               |--88.07%-- check_for_new_grace_period
               |          __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          heap_getnext
               |          
                --11.93%-- remove_wait_queue
                          free_poll_entry
                          poll_freewait
                          do_sys_poll
                          sys_poll
                          system_call
                          __poll
                          0x0

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve          
            |
            --- trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
                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
                bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] check_for_new_grace_period         
            |
            --- check_for_new_grace_period
                __rcu_process_callbacks
                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] 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
                ExecMakeFunctionResultNoSets

     0.00%  postgres  [kernel.kallsyms]              [k] __skb_clone                        
            |
            --- __skb_clone
                skb_clone
                dev_hard_start_xmit
                sch_direct_xmit
                dev_queue_xmit
                0xffffffffa05a15bf
                dev_hard_start_xmit
                sch_direct_xmit
                dev_queue_xmit
                ip_finish_output
                ip_output
                ip_local_out
                ip_queue_xmit
                tcp_transmit_skb
                tcp_send_ack
                tcp_delack_timer
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                pg_detoast_datum_packed

     0.00%  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
                HeapTupleSatisfiesMVCC

     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
                ExecScan

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

     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
                LWLockRelease

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

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                 
            |
            --- ftrace_trace_stack
                ftrace_raw_event_id_softirq
                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
                ExecEvalScalarVarFast

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

     0.00%  postgres  [kernel.kallsyms]              [k] intel_pmu_disable_all              
            |
            --- 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
                heap_page_prune_opt

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

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq        
            |
            --- 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_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] __rcu_pending                      
            |
            --- __rcu_pending
                rcu_check_callbacks
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_getattr

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

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

     0.00%  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
                bcTruelen

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

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

     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
                bpcharle

     0.00%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve  
            |
            --- trace_current_buffer_lock_reserve
                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
                ExecMakeFunctionResultNoSets

     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_rotate_start              
            |
            --- perf_pmu_rotate_start
                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
                (nil)



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