# ========
# captured on: Tue Sep 22 15:20:45 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 108443 
# 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 = { 18 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 40K of event 'cycles'
# Event count (approx.): 29047117030
#
# Overhead   Command                  Shared Object                                         Symbol
# ........  ........  .............................  .............................................
#
     6.95%  postgres  postgres                       [.] slot_deform_tuple                        
            |
            --- slot_deform_tuple

     4.98%  postgres  postgres                       [.] hash_search_with_hash_value              
            |
            --- hash_search_with_hash_value
               |          
               |--2.19%-- 0x1d4108000000000
                --97.81%-- [...]

     4.33%  postgres  libc-2.12.so                   [.] memcpy                                   
            |
            --- memcpy
               |          
               |--90.62%-- networkjoinsel
                --9.38%-- [...]

     4.31%  postgres  postgres                       [.] bpchareq                                 
            |
            --- bpchareq

     3.38%  postgres  postgres                       [.] shm_mq_inc_bytes_read                    
            |
            --- shm_mq_inc_bytes_read

     3.14%  postgres  postgres                       [.] add_abs                                  
            |
            --- add_abs

     3.12%  postgres  postgres                       [.] bcTruelen                                
            |
            --- bcTruelen

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

     2.58%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC                   
            |
            --- HeapTupleSatisfiesMVCC

     2.43%  postgres  postgres                       [.] slot_getattr                             
            |
            --- slot_getattr

     2.33%  postgres  postgres                       [.] AllocSetAlloc                            
            |
            --- AllocSetAlloc
               |          
               |--8.50%-- networkjoinsel
                --91.50%-- [...]

     2.10%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                                
            |
            --- vread_tsc
               |          
               |--86.98%-- 0x7fff59744814
               |          0x7fff597448bc
               |          __gettimeofday
               |          
                --13.02%-- 0x7fff597448bc
                          __gettimeofday

     1.85%  postgres  postgres                       [.] s_lock                                   
            |
            --- s_lock

     1.76%  postgres  postgres                       [.] do_numeric_accum                         
            |
            --- do_numeric_accum
               |          
               |--89.73%-- 0x0
               |          
               |--0.70%-- slot_getsomeattrs
                --9.57%-- [...]

     1.75%  postgres  postgres                       [.] hash_any                                 
            |
            --- hash_any

     1.63%  postgres  postgres                       [.] varstr_cmp                               
            |
            --- varstr_cmp

     1.63%  postgres  [vdso]                         [.] 0x00007fff597448bc                       
            |          
            |--12.62%-- 0x7fff5974481f
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--10.34%-- 0x7fff5974482a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--7.59%-- 0x7fff597448d4
            |          __gettimeofday
            |          
            |--5.47%-- 0x7fff59744830
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--5.32%-- 0x7fff59744814
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--4.55%-- 0x7fff59744826
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.50%-- 0x7fff597448cd
            |          __gettimeofday
            |          
            |--3.19%-- 0x7fff597447d7
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.04%-- 0x7fff597448db
            |          __gettimeofday
            |          
            |--2.89%-- 0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.43%-- 0x7fff5974489b
            |          __gettimeofday
            |          
            |--2.43%-- 0x7fff597448d8
            |          __gettimeofday
            |          
            |--2.28%-- 0x7fff597448c0
            |          __gettimeofday
            |          
            |--2.28%-- 0x7fff597448df
            |          __gettimeofday
            |          
            |--2.27%-- 0x7fff597447d6
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.13%-- 0x7fff597448e9
            |          __gettimeofday
            |          
            |--2.13%-- 0x7fff597447fc
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.98%-- 0x7fff5974483d
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.98%-- 0x7fff5974486a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.82%-- 0x7fff59744890
            |          
            |--1.67%-- 0x7fff597447ee
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.67%-- 0x7fff59744803
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.52%-- 0x7fff5974480a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.52%-- 0x7fff597447d1
            |          __gettimeofday
            |          
            |--1.51%-- 0x7fff597448b2
            |          __gettimeofday
            |          
            |--1.37%-- 0x7fff597448a4
            |          __gettimeofday
            |          
            |--1.22%-- 0x7fff59744872
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.07%-- 0x7fff597447d0
            |          __gettimeofday
            |          
            |--0.91%-- 0x7fff597448a1
            |          __gettimeofday
            |          
            |--0.91%-- 0x7fff59744811
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.91%-- 0x7fff597447e4
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.76%-- 0x7fff5974489d
            |          __gettimeofday
            |          
            |--0.76%-- 0x7fff59744806
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.76%-- 0x7fff597448b0
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff59744891
             --2.59%-- [...]

     1.57%  postgres  postgres                       [.] shm_mq_receive_bytes                     
            |
            --- shm_mq_receive_bytes

     1.51%  postgres  [kernel.kallsyms]              [k] copy_user_generic_string                 
            |
            --- copy_user_generic_string
                file_read_actor
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     1.45%  postgres  postgres                       [.] make_result                              
            |
            --- make_result

     1.38%  postgres  postgres                       [.] advance_aggregates                       
            |
            --- advance_aggregates

     1.34%  postgres  postgres                       [.] ExecMakeFunctionResultNoSets             
            |
            --- ExecMakeFunctionResultNoSets

     1.19%  postgres  postgres                       [.] advance_transition_function              
            |
            --- advance_transition_function

     1.12%  postgres  postgres                       [.] StrategyGetBuffer                        
            |
            --- StrategyGetBuffer

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

     1.08%  postgres  [kernel.kallsyms]              [k] _spin_lock                               
            |
            --- _spin_lock
               |          
               |--85.38%-- task_rq_lock
               |          try_to_wake_up
               |          |          
               |          |--99.73%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.27%-- [...]
               |          
               |--10.73%-- try_to_wake_up
               |          |          
               |          |--97.87%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --2.13%-- wake_up_process
               |                     hrtimer_wakeup
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     ExecProject
               |          
               |--1.37%-- do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--16.67%-- hash_search_with_hash_value
               |          |          
               |          |--16.67%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--16.67%-- slot_deform_tuple
               |          |          
               |          |--16.67%-- varstr_cmp
               |          |          
               |          |--16.66%-- slot_getsomeattrs
               |          |          
               |           --16.66%-- pfree
               |          
               |--1.14%-- __mutex_unlock_slowpath
               |          mutex_unlock
               |          ext4_llseek
               |          vfs_llseek
               |          sys_lseek
               |          system_call
               |          __GI___libc_lseek64
                --1.37%-- [...]

     1.00%  postgres  postgres                       [.] ExecClearTuple                           
            |
            --- ExecClearTuple

     0.94%  postgres  postgres                       [.] bpcharle                                 
            |
            --- bpcharle

     0.88%  postgres  postgres                       [.] shm_mq_receive                           
            |
            --- shm_mq_receive

     0.88%  postgres  postgres                       [.] ExecAgg                                  
            |
            --- ExecAgg

     0.87%  postgres  postgres                       [.] int64_to_numericvar                      
            |
            --- int64_to_numericvar

     0.85%  postgres  postgres                       [.] heap_getnext                             
            |
            --- heap_getnext

     0.83%  postgres  [kernel.kallsyms]              [k] task_curr                                
            |
            --- task_curr
               |          
               |--99.40%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.60%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.81%  postgres  postgres                       [.] ExecStoreMinimalTuple                    
            |
            --- ExecStoreMinimalTuple

     0.75%  postgres  postgres                       [.] execTuplesMatch                          
            |
            --- execTuplesMatch

     0.74%  postgres  postgres                       [.] AllocSetFree                             
            |
            --- AllocSetFree

     0.74%  postgres  postgres                       [.] pfree                                    
            |
            --- pfree

     0.74%  postgres  postgres                       [.] slot_getsomeattrs                        
            |
            --- slot_getsomeattrs

     0.72%  postgres  postgres                       [.] palloc                                   
            |
            --- palloc
               |          
               |--15.58%-- networkjoinsel
                --84.42%-- [...]

     0.63%  postgres  postgres                       [.] int8_avg_accum                           
            |
            --- int8_avg_accum

     0.63%  postgres  postgres                       [.] init_var_from_num                        
            |
            --- init_var_from_num
               |          
               |--63.77%-- 0x0
               |          
               |--35.84%-- slot_getsomeattrs
                --0.39%-- [...]

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

     0.57%  postgres  postgres                       [.] TupleHashTableHash                       
            |
            --- TupleHashTableHash
               |          
               |--22.92%-- 0x1d72000
                --77.08%-- [...]

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

     0.54%  postgres  postgres                       [.] heap_page_prune_opt                      
            |
            --- heap_page_prune_opt

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

     0.50%  postgres  postgres                       [.] ExecScan                                 
            |
            --- ExecScan

     0.50%  postgres  [kernel.kallsyms]              [k] update_curr                              
            |
            --- update_curr
               |          
               |--98.50%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          |          
               |          |--99.49%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --0.51%-- wake_up_process
               |                     update_queue
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --1.50%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--33.36%-- execTuplesMatch
                          |          
                          |--33.32%-- hash_search_with_hash_value
                          |          
                           --33.32%-- pg_detoast_datum_packed

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

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

     0.48%  postgres  postgres                       [.] pg_detoast_datum_packed                  
            |
            --- pg_detoast_datum_packed

     0.48%  postgres  postgres                       [.] int4_sum                                 
            |
            --- int4_sum

     0.45%  postgres  [kernel.kallsyms]              [k] __send_signal                            
            |
            --- __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.44%  postgres  postgres                       [.] PinBuffer                                
            |
            --- PinBuffer

     0.44%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                       
            |
            --- _spin_lock_irqsave
               |          
               |--93.17%-- lock_task_sighand
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--3.98%-- ntp_tick_length
               |          do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--14.29%-- DirectFunctionCall1Coll
               |          |          
               |          |--14.29%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--14.29%-- int8_avg_accum
               |          |          
               |          |--14.29%-- file_read_actor
               |          |          generic_file_aio_read
               |          |          do_sync_read
               |          |          vfs_read
               |          |          sys_read
               |          |          system_call
               |          |          __GI___libc_read
               |          |          
               |          |--14.28%-- shm_mq_receive_bytes
               |          |          
               |          |--14.28%-- ExecMakeFunctionResultNoSets
               |          |          
               |           --14.28%-- shm_mq_inc_bytes_read
               |          
                --2.84%-- 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
                          |          
                          |--20.02%-- s_lock
                          |          
                          |--20.02%-- shm_mq_inc_bytes_read
                          |          
                          |--20.01%-- hash_search_with_hash_value
                          |          
                          |--20.00%-- do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --19.94%-- heap_copytuple

     0.43%  postgres  [kernel.kallsyms]              [k] complete_signal                          
            |
            --- complete_signal
               |          
               |--97.10%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.90%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.42%  postgres  postgres                       [.] DirectFunctionCall1Coll                  
            |
            --- DirectFunctionCall1Coll

     0.41%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event                    
            |
            --- rb_reserve_next_event
               |          
               |--82.07%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--33.53%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--27.72%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--92.11%-- enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--5.26%-- task_tick_fair
               |          |          |          scheduler_tick
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.00%-- varstr_cmp
               |          |          |          |          
               |          |          |           --50.00%-- free_var
               |          |          |          
               |          |           --2.63%-- dequeue_entity
               |          |                     dequeue_task_fair
               |          |                     dequeue_task
               |          |                     deactivate_task
               |          |                     thread_return
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--18.97%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          
               |          |          |--96.15%-- ftrace_raw_event_sched_stat_sleep
               |          |          |          enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --3.85%-- ftrace_raw_event_sched_stat_wait
               |          |                     update_stats_wait_end
               |          |                     set_next_entity
               |          |                     pick_next_task_fair
               |          |                     schedule
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--17.53%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --2.25%-- 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
               |                     |          
               |                     |--35.28%-- add_abs
               |                     |          
               |                     |--32.38%-- CheckForSerializableConflictOut
               |                     |          
               |                      --32.35%-- file_read_actor
               |                                generic_file_aio_read
               |                                do_sync_read
               |                                vfs_read
               |                                sys_read
               |                                system_call
               |                                __GI___libc_read
               |          
                --17.93%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--83.32%-- ftrace_raw_event_id_sched_wakeup_template
                          |          ftrace_raw_event_sched_wakeup
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--6.67%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--6.67%-- ftrace_raw_event_sched_stat_runtime
                          |          update_curr
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --3.34%-- ftrace_raw_event_id_sched_stat_template
                                     ftrace_raw_event_sched_stat_sleep
                                     enqueue_entity
                                     enqueue_task_fair
                                     enqueue_task
                                     activate_task
                                     try_to_wake_up
                                     wake_up_state
                                     signal_wake_up
                                     complete_signal
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

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

     0.40%  postgres  postgres                       [.] FunctionCall2Coll                        
            |
            --- FunctionCall2Coll

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

     0.37%  postgres  postgres                       [.] ExecProcNode                             
            |
            --- ExecProcNode

     0.35%  postgres  postgres                       [.] TupleQueueFunnelNext                     
            |
            --- TupleQueueFunnelNext

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

     0.34%  postgres  [kernel.kallsyms]              [k] try_to_wake_up                           
            |
            --- try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

     0.32%  postgres  postgres                       [.] heapgetpage                              
            |
            --- heapgetpage

     0.31%  postgres  [kernel.kallsyms]              [k] resched_task                             
            |
            --- resched_task
               |          
               |--98.39%-- check_preempt_curr
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.61%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.30%  postgres  postgres                       [.] heap_copytuple                           
            |
            --- heap_copytuple
               |          
               |--79.20%-- networkjoinsel
                --20.80%-- [...]

     0.30%  postgres  postgres                       [.] LookupTupleHashEntry                     
            |
            --- LookupTupleHashEntry
               |          
               |--77.35%-- 0x1d4108000000000
                --22.65%-- [...]

     0.29%  postgres  postgres                       [.] int8_numeric                             
            |
            --- int8_numeric

     0.28%  postgres  postgres                       [.] add_var                                  
            |
            --- add_var
               |          
               |--60.53%-- 0x0
                --39.47%-- [...]

     0.28%  postgres  postgres                       [.] free_var                                 
            |
            --- free_var

     0.27%  postgres  [kernel.kallsyms]              [k] lock_task_sighand                        
            |
            --- lock_task_sighand
               |          
               |--99.09%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.91%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.27%  postgres  [kernel.kallsyms]              [k] signal_wake_up                           
            |
            --- signal_wake_up
               |          
               |--99.08%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.92%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.24%  postgres  [kernel.kallsyms]              [k] enqueue_entity                           
            |
            --- enqueue_entity
                enqueue_task_fair
                enqueue_task
                activate_task
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.24%  postgres  libc-2.12.so                   [.] __gettimeofday                           
            |
            --- __gettimeofday

     0.24%  postgres  [kernel.kallsyms]              [k] find_get_page                            
            |
            --- find_get_page
               |          
               |--98.95%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --1.05%-- do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.23%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit                     
            |
            --- __audit_syscall_exit
               |          
               |--61.70%-- sysret_audit
               |          |          
               |          |--86.22%-- __GI___kill
               |          |          
               |          |--6.90%-- __GI___libc_lseek64
               |          |          
               |           --6.88%-- __GI___libc_read
               |          
               |--36.18%-- __GI___kill
               |          
                --2.13%-- __GI___libc_read

     0.23%  postgres  [kernel.kallsyms]              [k] __sigqueue_alloc                         
            |
            --- __sigqueue_alloc
               |          
               |--97.80%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.20%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.23%  postgres  [kernel.kallsyms]              [k] enqueue_task                             
            |
            --- enqueue_task
               |          
               |--98.90%-- activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.10%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.22%  postgres  postgres                       [.] strip_var                                
            |
            --- strip_var

     0.22%  postgres  postgres                       [.] TupleHashTableMatch                      
            |
            --- TupleHashTableMatch

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

     0.21%  postgres  postgres                       [.] pgstat_end_function_usage                
            |
            --- pgstat_end_function_usage
               |          
               |--2.38%-- 0xc2bd200497ac1
               |          
               |--2.38%-- 0xc2be200497ac1
               |          
               |--1.19%-- 0x16f94200497ac1
               |          
               |--1.19%-- 0x1fe3f00497ac1
               |          
               |--1.19%-- 0x99af700497ac1
               |          
               |--1.19%-- 0xcab0700497ac1
               |          
               |--1.19%-- 0x13915400497ac1
               |          
               |--1.19%-- 0x389eb00497ac1
               |          
               |--1.19%-- 0xde53900497ac1
               |          
               |--1.19%-- 0xf8baf00497ac1
               |          
               |--1.19%-- 0x4f81400497ac1
               |          
               |--1.19%-- 0x17b0eb00497ac1
               |          
               |--1.19%-- 0x145fe00497ac1
               |          
               |--1.19%-- 0x3c7d400497ac1
               |          
               |--1.19%-- 0x5825f00497ac1
               |          
               |--1.19%-- 0x2bd5e00497ac1
               |          
               |--1.19%-- 0xfdc4500497ac1
               |          
               |--1.19%-- 0x41b4300497ac1
               |          
               |--1.19%-- 0xc603d00497ac1
               |          
               |--1.19%-- 0x26b3e00497ac1
               |          
               |--1.19%-- 0x3e4c500497ac1
               |          
               |--1.19%-- 0x14460400497ac1
               |          
               |--1.19%-- 0x12e09a00497ac1
               |          
               |--1.19%-- 0x4e4e600497ac1
               |          
               |--1.19%-- 0xce38a00497ac1
               |          
               |--1.19%-- 0xc2bca00497ac1
               |          
               |--1.19%-- 0x435e300497ac1
               |          
               |--1.19%-- 0x286200497ac1
               |          
               |--1.19%-- 0x172e3000497ac1
               |          
               |--1.19%-- 0x15a3ef00497ac1
               |          
               |--1.19%-- 0x9f39800497ac1
               |          
               |--1.19%-- 0x3b40a00497ac1
               |          
               |--1.19%-- 0x165a7400497ac1
               |          
               |--1.19%-- 0xe7ee800497ac1
               |          
               |--1.19%-- 0xc2bdc00497ac1
               |          
               |--1.19%-- 0x15905e00497ac1
               |          
               |--1.19%-- 0xc2be500497ac1
               |          
               |--1.19%-- 0xc2bd900497ac1
               |          
               |--1.19%-- 0xa6e200497ac1
               |          
               |--1.19%-- 0xc2bdb00497ac1
                --50.00%-- [...]

     0.21%  postgres  [kernel.kallsyms]              [k] kmem_cache_alloc                         
            |
            --- kmem_cache_alloc
                __sigqueue_alloc
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.21%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                        
            |
            --- __rb_reserve_next
               |          
               |--96.38%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--41.27%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--23.71%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--18.76%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--13.76%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --2.50%-- 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
               |                     |          
               |                     |--50.01%-- slot_getattr
               |                     |          
               |                      --49.99%-- bcTruelen
               |          
                --3.62%-- ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--66.67%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --33.33%-- ftrace_raw_event_id_sched_wakeup_template
                                     ftrace_raw_event_sched_wakeup
                                     try_to_wake_up
                                     wake_up_state
                                     signal_wake_up
                                     complete_signal
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.20%  postgres  [kernel.kallsyms]              [k] check_kill_permission                    
            |
            --- check_kill_permission
               |          
               |--97.56%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.44%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.20%  postgres  postgres                       [.] FunctionCall1Coll                        
            |
            --- FunctionCall1Coll

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

     0.18%  postgres  postgres                       [.] pgstat_init_function_usage               
            |
            --- pgstat_init_function_usage

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

     0.17%  postgres  [kernel.kallsyms]              [k] system_call                              
            |
            --- system_call
               |          
               |--68.60%-- __GI___kill
               |          
               |--19.97%-- __GI___libc_read
               |          
               |--8.57%-- __GI___libc_lseek64
               |          
               |--1.43%-- hash_any
               |          
                --1.43%-- do_numeric_accum

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

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

     0.17%  postgres  postgres                       [.] hash_search                              
            |
            --- hash_search
               |          
               |--67.65%-- 0x1d72000
               |          
               |--29.41%-- 0x1d4108000000000
               |          
                --2.94%-- 0x1d74de0

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

     0.16%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve                 
            |
            --- ring_buffer_lock_reserve
               |          
               |--83.25%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--32.72%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--27.29%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.44%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--9.09%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--80.00%-- enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --20.00%-- task_tick_fair
               |          |                     scheduler_tick
               |          |                     update_process_times
               |          |                     tick_sched_timer
               |          |                     __run_hrtimer
               |          |                     hrtimer_interrupt
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     memcpy
               |          |          
               |           --5.45%-- ftrace_raw_event_id_softirq
               |                     |          
               |                     |--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
               |                     |          TupleHashTableHash
               |                     |          
               |                     |--33.33%-- ftrace_raw_event_softirq_exit
               |                     |          __do_softirq
               |                     |          call_softirq
               |                     |          do_softirq
               |                     |          irq_exit
               |                     |          smp_apic_timer_interrupt
               |                     |          apic_timer_interrupt
               |                     |          do_send_sig_info
               |                     |          group_send_sig_info
               |                     |          kill_pid_info
               |                     |          sys_kill
               |                     |          system_call
               |                     |          __GI___kill
               |                     |          
               |                      --33.33%-- ftrace_raw_event_softirq_entry
               |                                __do_softirq
               |                                call_softirq
               |                                do_softirq
               |                                irq_exit
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                bcTruelen
               |          
                --16.75%-- trace_current_buffer_lock_reserve
                          |          
                          |--63.84%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--18.09%-- ftrace_raw_event_id_sched_wakeup_template
                          |          ftrace_raw_event_sched_wakeup
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --18.07%-- ftrace_raw_event_signal_generate
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.15%  postgres  [kernel.kallsyms]              [k] select_task_rq_fair                      
            |
            --- select_task_rq_fair
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.15%  postgres  [kernel.kallsyms]              [k] task_rq_lock                             
            |
            --- task_rq_lock
               |          
               |--96.71%-- try_to_wake_up
               |          |          
               |          |--98.30%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --1.70%-- default_wake_function
               |                     pollwake
               |                     __wake_up_common
               |                     __wake_up_sync_key
               |                     sock_def_readable
               |                     sock_queue_rcv_skb
               |                     raw_rcv_skb
               |                     raw_rcv
               |                     raw_local_deliver
               |                     ip_local_deliver_finish
               |                     ip_local_deliver
               |                     ip_rcv_finish
               |                     ip_rcv
               |                     __netif_receive_skb
               |                     process_backlog
               |                     net_rx_action
               |                     __do_softirq
               |                     call_softirq
               |                     do_softirq
               |                     irq_exit
               |                     do_IRQ
               |                     ret_from_intr
               |                     bcTruelen
               |          
                --3.29%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.15%  postgres  postgres                       [.] UnpinBuffer.clone.0                      
            |
            --- UnpinBuffer.clone.0

     0.14%  postgres  [kernel.kallsyms]              [k] native_read_tsc                          
            |
            --- native_read_tsc
               |          
               |--98.25%-- native_sched_clock
               |          sched_clock
               |          |          
               |          |--91.07%-- trace_clock_local
               |          |          |          
               |          |          |--98.04%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--38.00%-- ftrace_raw_event_signal_generate
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--26.00%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          |          |          ftrace_raw_event_sched_wakeup
               |          |          |          |          try_to_wake_up
               |          |          |          |          wake_up_state
               |          |          |          |          signal_wake_up
               |          |          |          |          complete_signal
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--22.00%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          |          ftrace_raw_event_sched_stat_sleep
               |          |          |          |          enqueue_entity
               |          |          |          |          enqueue_task_fair
               |          |          |          |          enqueue_task
               |          |          |          |          activate_task
               |          |          |          |          try_to_wake_up
               |          |          |          |          wake_up_state
               |          |          |          |          signal_wake_up
               |          |          |          |          complete_signal
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |           --14.00%-- ftrace_raw_event_sched_stat_runtime
               |          |          |                     update_curr
               |          |          |                     |          
               |          |          |                     |--85.71%-- enqueue_entity
               |          |          |                     |          enqueue_task_fair
               |          |          |                     |          enqueue_task
               |          |          |                     |          activate_task
               |          |          |                     |          try_to_wake_up
               |          |          |                     |          wake_up_state
               |          |          |                     |          signal_wake_up
               |          |          |                     |          complete_signal
               |          |          |                     |          __send_signal
               |          |          |                     |          send_signal
               |          |          |                     |          do_send_sig_info
               |          |          |                     |          group_send_sig_info
               |          |          |                     |          kill_pid_info
               |          |          |                     |          sys_kill
               |          |          |                     |          system_call
               |          |          |                     |          __GI___kill
               |          |          |                     |          
               |          |          |                      --14.29%-- task_tick_fair
               |          |          |                                scheduler_tick
               |          |          |                                update_process_times
               |          |          |                                tick_sched_timer
               |          |          |                                __run_hrtimer
               |          |          |                                hrtimer_interrupt
               |          |          |                                smp_apic_timer_interrupt
               |          |          |                                apic_timer_interrupt
               |          |          |                                add_abs
               |          |          |          
               |          |           --1.96%-- __rb_reserve_next
               |          |                     rb_reserve_next_event
               |          |                     ring_buffer_lock_reserve
               |          |                     trace_buffer_lock_reserve
               |          |                     trace_current_buffer_lock_reserve
               |          |                     ftrace_raw_event_sched_stat_runtime
               |          |                     update_curr
               |          |                     enqueue_entity
               |          |                     enqueue_task_fair
               |          |                     enqueue_task
               |          |                     activate_task
               |          |                     try_to_wake_up
               |          |                     wake_up_state
               |          |                     signal_wake_up
               |          |                     complete_signal
               |          |                     __send_signal
               |          |                     send_signal
               |          |                     do_send_sig_info
               |          |                     group_send_sig_info
               |          |                     kill_pid_info
               |          |                     sys_kill
               |          |                     system_call
               |          |                     __GI___kill
               |          |          
               |           --8.93%-- sched_clock_cpu
               |                     update_rq_clock
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --1.75%-- sched_clock
                          sched_clock_cpu
                          update_rq_clock
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.14%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore                  
            |
            --- _spin_unlock_irqrestore
               |          
               |--58.18%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.37%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--14.55%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--9.08%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.82%-- 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
                          advance_aggregates

     0.14%  postgres  [kernel.kallsyms]              [k] trace_clock_local                        
            |
            --- trace_clock_local
               |          
               |--85.43%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--40.31%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--23.45%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--19.19%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--10.66%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --6.39%-- ftrace_raw_event_id_softirq
               |                     |          
               |                     |--66.66%-- ftrace_raw_event_softirq_raise
               |                     |          raise_softirq
               |                     |          |          
               |                     |          |--50.02%-- run_local_timers
               |                     |          |          update_process_times
               |                     |          |          tick_sched_timer
               |                     |          |          __run_hrtimer
               |                     |          |          hrtimer_interrupt
               |                     |          |          smp_apic_timer_interrupt
               |                     |          |          apic_timer_interrupt
               |                     |          |          0x7fff5974489b
               |                     |          |          
               |                     |           --49.98%-- 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
               |                     |          
               |                      --33.34%-- 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
               |          
               |--12.75%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--57.14%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --42.86%-- ftrace_raw_event_id_sched_wakeup_template
               |                     ftrace_raw_event_sched_wakeup
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --1.82%-- __rb_reserve_next
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.14%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack                   
            |
            --- ftrace_trace_userstack
               |          
               |--72.65%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--32.38%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.11%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--24.95%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --17.56%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     enqueue_entity
               |                     enqueue_task_fair
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
               |--21.88%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--3.65%-- ftrace_raw_event_sched_stat_runtime
               |          update_curr
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.82%-- 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

     0.13%  postgres  [kernel.kallsyms]              [k] __task_pid_nr_ns                         
            |
            --- __task_pid_nr_ns
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

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

     0.11%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update             
            |
            --- tracing_generic_entry_update
               |          
               |--53.56%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--45.70%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--24.93%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--12.74%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--8.31%-- 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
               |          |          |          
               |          |          |--50.01%-- do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --49.99%-- vread_tsc
               |          |          
               |           --8.31%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     enqueue_entity
               |                     enqueue_task_fair
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --46.44%-- trace_current_buffer_lock_reserve
                          |          
                          |--33.55%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--33.06%-- ftrace_raw_event_id_sched_wakeup_template
                          |          ftrace_raw_event_sched_wakeup
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--23.96%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --9.42%-- ftrace_raw_event_id_softirq
                                     |          
                                     |--50.85%-- 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
                                     |          file_read_actor
                                     |          generic_file_aio_read
                                     |          do_sync_read
                                     |          vfs_read
                                     |          sys_read
                                     |          system_call
                                     |          __GI___libc_read
                                     |          
                                      --49.15%-- ftrace_raw_event_softirq_exit
                                                __do_softirq
                                                call_softirq
                                                do_softirq
                                                irq_exit
                                                smp_apic_timer_interrupt
                                                apic_timer_interrupt
                                                vread_tsc

     0.10%  postgres  [kernel.kallsyms]              [k] mutex_lock                               
            |
            --- mutex_lock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.10%  postgres  postgres                       [.] XidInMVCCSnapshot                        
            |
            --- XidInMVCCSnapshot

     0.10%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_signal_generate         
            |
            --- ftrace_raw_event_signal_generate
               |          
               |--92.48%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --7.52%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.09%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve                
            |
            --- trace_buffer_lock_reserve
               |          
               |--78.82%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--69.97%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--13.33%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--10.00%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --6.70%-- ftrace_raw_event_id_sched_wakeup_template
               |                     ftrace_raw_event_sched_wakeup
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
               |--10.67%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.25%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--2.63%-- ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.63%-- ftrace_raw_event_sched_stat_runtime
                          update_curr
                          enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.09%  postgres  [kernel.kallsyms]              [k] pid_vnr                                  
            |
            --- pid_vnr
               |          
               |--97.36%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.64%-- system_call
                          __GI___kill

     0.09%  postgres  [kernel.kallsyms]              [k] mutex_unlock                             
            |
            --- mutex_unlock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.09%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                      
            |
            --- audit_syscall_entry
               |          
               |--97.14%-- auditsys
               |          |          
               |          |--85.32%-- __GI___kill
               |          |          
               |          |--8.80%-- __GI___libc_read
               |          |          
               |           --5.88%-- __GI___libc_lseek64
               |          
                --2.86%-- __GI___kill

     0.09%  postgres  [kernel.kallsyms]              [k] rb_end_commit                            
            |
            --- rb_end_commit
               |          
               |--88.57%-- ring_buffer_unlock_commit
               |          trace_nowake_buffer_unlock_commit
               |          |          
               |          |--35.36%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--22.59%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--19.45%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--83.41%-- enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --16.59%-- dequeue_entity
               |          |                     dequeue_task_fair
               |          |                     dequeue_task
               |          |                     deactivate_task
               |          |                     thread_return
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--16.14%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --6.46%-- 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
               |                     |          bpchareq
               |                     |          
               |                      --49.99%-- run_local_timers
               |                                update_process_times
               |                                tick_sched_timer
               |                                __run_hrtimer
               |                                hrtimer_interrupt
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                add_abs
               |          
                --11.43%-- trace_nowake_buffer_unlock_commit
                          ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.09%  postgres  [kernel.kallsyms]              [k] sys_kill                                 
            |
            --- sys_kill
               |          
               |--88.55%-- system_call
               |          __GI___kill
               |          
                --11.45%-- __GI___kill

     0.08%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit                
            |
            --- ring_buffer_unlock_commit
               |          
               |--73.46%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--39.98%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--20.01%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--20.01%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--16.00%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --4.00%-- 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
               |                     AllocSetAlloc
               |          
               |--14.69%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--3.03%-- ftrace_raw_event_sched_stat_runtime
               |          update_curr
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--2.94%-- 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
               |          bcTruelen
               |          
               |--2.94%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.94%-- ftrace_raw_event_id_sched_wakeup_template
                          ftrace_raw_event_sched_wakeup
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.08%  postgres  [kernel.kallsyms]              [k] enqueue_task_fair                        
            |
            --- enqueue_task_fair
                enqueue_task
                activate_task
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.08%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_stat_template  
            |
            --- ftrace_raw_event_id_sched_stat_template
               |          
               |--90.92%-- ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.08%-- enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.07%  postgres  [kernel.kallsyms]              [k] check_preempt_wakeup                     
            |
            --- check_preempt_wakeup
               |          
               |--63.32%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --36.68%-- check_preempt_curr
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.07%  postgres  [kernel.kallsyms]              [k] do_send_sig_info                         
            |
            --- do_send_sig_info
               |          
               |--96.56%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.44%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.07%  postgres  [ext4]                         [k] ext4_llseek                              
            |
            --- ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.07%  postgres  [kernel.kallsyms]              [k] put_page                                 
            |
            --- put_page
               |          
               |--96.29%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --3.71%-- do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.06%  postgres  [kernel.kallsyms]              [k] send_signal                              
            |
            --- send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.06%  postgres  [kernel.kallsyms]              [k] native_sched_clock                       
            |
            --- native_sched_clock
               |          
               |--83.99%-- sched_clock
               |          |          
               |          |--95.23%-- trace_clock_local
               |          |          rb_reserve_next_event
               |          |          ring_buffer_lock_reserve
               |          |          trace_buffer_lock_reserve
               |          |          trace_current_buffer_lock_reserve
               |          |          |          
               |          |          |--39.99%-- ftrace_raw_event_signal_generate
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--35.01%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          ftrace_raw_event_sched_stat_sleep
               |          |          |          enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--20.00%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          |          ftrace_raw_event_sched_wakeup
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --5.00%-- ftrace_raw_event_sched_stat_runtime
               |          |                     update_curr
               |          |                     enqueue_entity
               |          |                     enqueue_task_fair
               |          |                     enqueue_task
               |          |                     activate_task
               |          |                     try_to_wake_up
               |          |                     wake_up_state
               |          |                     signal_wake_up
               |          |                     complete_signal
               |          |                     __send_signal
               |          |                     send_signal
               |          |                     do_send_sig_info
               |          |                     group_send_sig_info
               |          |                     kill_pid_info
               |          |                     sys_kill
               |          |                     system_call
               |          |                     __GI___kill
               |          |          
               |           --4.77%-- sched_clock_cpu
               |                     update_rq_clock
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --16.01%-- trace_clock_local
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--49.99%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--25.01%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --25.00%-- ftrace_raw_event_id_sched_wakeup_template
                                     ftrace_raw_event_sched_wakeup
                                     try_to_wake_up
                                     wake_up_state
                                     signal_wake_up
                                     complete_signal
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.06%  postgres  [kernel.kallsyms]              [k] vfs_read                                 
            |
            --- vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.06%  postgres  libc-2.12.so                   [.] __GI___kill                              
            |
            --- __GI___kill

     0.06%  postgres  [kernel.kallsyms]              [k] generic_file_aio_read                    
            |
            --- generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.06%  postgres  [kernel.kallsyms]              [k] sysret_check                             
            |
            --- sysret_check
               |          
               |--78.24%-- __GI___kill
               |          
               |--13.06%-- __GI___libc_read
               |          
                --8.71%-- __GI___libc_lseek64

     0.05%  postgres  [kernel.kallsyms]              [k] default_send_IPI_mask_sequence_phys      
            |
            --- default_send_IPI_mask_sequence_phys
                physflat_send_IPI_mask
                native_smp_send_reschedule
               |          
               |--95.46%-- kick_process
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --4.54%-- scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bpchareq

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

     0.05%  postgres  [kernel.kallsyms]              [k] kill_pid_info                            
            |
            --- kill_pid_info
               |          
               |--86.36%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --13.64%-- system_call
                          __GI___kill

     0.05%  postgres  [kernel.kallsyms]              [k] update_rq_clock                          
            |
            --- update_rq_clock
               |          
               |--90.90%-- enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.10%-- activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.05%  postgres  [kernel.kallsyms]              [k] group_send_sig_info                      
            |
            --- group_send_sig_info
               |          
               |--89.51%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --10.49%-- sys_kill
                          system_call
                          __GI___kill

     0.05%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                          
            |
            --- __memcmp_sse4_1

     0.05%  postgres  [kernel.kallsyms]              [k] find_pid_ns                              
            |
            --- find_pid_ns
                find_vpid
                sys_kill
                system_call
                __GI___kill

     0.05%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_wakeup_template
            |
            --- ftrace_raw_event_id_sched_wakeup_template
               |          
               |--94.74%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --5.26%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.04%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime      
            |
            --- ftrace_raw_event_sched_stat_runtime
               |          
               |--94.12%-- update_curr
               |          |          
               |          |--93.75%-- enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--93.34%-- wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --6.66%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |           --6.25%-- task_tick_fair
               |                     scheduler_tick
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     hash_any
               |          
                --5.88%-- enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve        
            |
            --- trace_current_buffer_lock_reserve
               |          
               |--47.06%-- ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--29.41%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.88%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.88%-- update_curr
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.88%-- 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
               |          
                --5.88%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] task_waking_fair                         
            |
            --- task_waking_fair
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] __list_add                               
            |
            --- __list_add
               |          
               |--50.00%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--37.50%-- account_entity_enqueue
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --12.50%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data                   
            |
            --- ring_buffer_event_data
               |          
               |--18.79%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--18.79%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--18.53%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--12.56%-- trace_current_buffer_lock_reserve
               |          ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--12.53%-- ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--12.53%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --6.26%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                        
            |
            --- update_cfs_shares
               |          
               |--87.39%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.37%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --6.23%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          memcpy

     0.04%  postgres  [kernel.kallsyms]              [k] task_active_pid_ns                       
            |
            --- task_active_pid_ns
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] hrtick_start_fair                        
            |
            --- hrtick_start_fair
               |          
               |--86.67%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --13.33%-- enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] account_entity_enqueue                   
            |
            --- account_entity_enqueue
                enqueue_entity
                enqueue_task_fair
                enqueue_task
                activate_task
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit        
            |
            --- trace_nowake_buffer_unlock_commit
               |          
               |--46.38%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--13.40%-- ftrace_raw_event_id_softirq
               |          ftrace_raw_event_softirq_raise
               |          raise_softirq
               |          |          
               |          |--50.03%-- run_local_timers
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          TupleHashTableMatch
               |          |          
               |           --49.97%-- rcu_check_callbacks
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     bcTruelen
               |          
               |--13.40%-- ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.71%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.70%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.70%-- 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
               |          AllocSetAlloc
               |          
                --6.70%-- ftrace_raw_event_id_sched_stat_template
                          ftrace_raw_event_sched_stat_sleep
                          enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.03%  postgres  [kernel.kallsyms]              [k] radix_tree_lookup_slot                   
            |
            --- radix_tree_lookup_slot
               |          
               |--85.69%-- find_get_page
               |          generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --14.31%-- generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.03%  postgres  [kernel.kallsyms]              [k] prepare_signal                           
            |
            --- prepare_signal
               |          
               |--84.67%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --15.33%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] check_preempt_curr                       
            |
            --- check_preempt_curr
               |          
               |--92.31%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --7.69%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] file_read_actor                          
            |
            --- file_read_actor
               |          
               |--92.31%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --7.69%-- do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.03%  postgres  [kernel.kallsyms]              [k] fget_light                               
            |
            --- fget_light
               |          
               |--53.82%-- sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --46.18%-- sys_lseek
                          system_call
                          __GI___libc_lseek64

     0.03%  postgres  [kernel.kallsyms]              [k] auditsys                                 
            |
            --- auditsys
               |          
               |--91.68%-- __GI___kill
               |          
                --8.32%-- __GI___libc_read

     0.03%  postgres  [kernel.kallsyms]              [k] effective_load                           
            |
            --- effective_load
               |          
               |--66.74%-- select_task_rq_fair
               |          try_to_wake_up
               |          |          
               |          |--87.55%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --12.45%-- default_wake_function
               |                     pollwake
               |                     __wake_up_common
               |                     __wake_up_sync_key
               |                     sock_def_readable
               |                     unix_stream_sendmsg
               |                     sock_sendmsg
               |                     sys_sendto
               |                     system_call
               |                     __libc_send
               |          
                --33.26%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock                   
            |
            --- trace_recursive_unlock
               |          
               |--75.00%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--55.55%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--22.22%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --22.22%-- ftrace_raw_event_signal_generate
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --25.00%-- ring_buffer_unlock_commit
                          trace_nowake_buffer_unlock_commit
                          |          
                          |--66.67%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --33.33%-- ftrace_raw_event_id_sched_wakeup_template
                                     ftrace_raw_event_sched_wakeup
                                     try_to_wake_up
                                     wake_up_state
                                     signal_wake_up
                                     complete_signal
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] kfree                                    
            |
            --- kfree
               |          
               |--83.31%-- __audit_syscall_exit
               |          sysret_audit
               |          |          
               |          |--49.96%-- __GI___libc_lseek64
               |          |          
               |          |--40.03%-- __GI___kill
               |          |          
               |           --10.01%-- __GI___libc_read
               |          
                --16.69%-- sysret_audit
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] current_kernel_time                      
            |
            --- current_kernel_time
               |          
               |--63.77%-- audit_syscall_entry
               |          auditsys
               |          |          
               |          |--57.55%-- __GI___kill
               |          |          
               |          |--28.26%-- __GI___libc_read
               |          |          
               |           --14.20%-- __GI___libc_lseek64
               |          
                --36.23%-- auditsys
                          |          
                          |--75.01%-- __GI___kill
                          |          
                           --24.99%-- __GI___libc_read

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

     0.03%  postgres  [kernel.kallsyms]              [k] sys_read                                 
            |
            --- sys_read
               |          
               |--72.81%-- system_call
               |          __GI___libc_read
               |          
                --27.19%-- __GI___libc_read

     0.02%  postgres  [kernel.kallsyms]              [k] update_cfs_load                          
            |
            --- update_cfs_load
               |          
               |--80.00%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --20.00%-- enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.02%  postgres  libc-2.12.so                   [.] __GI___libc_lseek64                      
            |
            --- __GI___libc_lseek64

     0.02%  postgres  [kernel.kallsyms]              [k] touch_atime                              
            |
            --- touch_atime
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.02%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                       
            |
            --- ftrace_trace_stack
               |          
               |--50.38%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--24.82%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--50.03%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.97%-- ftrace_raw_event_signal_generate
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --24.80%-- ftrace_raw_event_id_sched_stat_template
                          ftrace_raw_event_sched_stat_sleep
                          enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                         
            |
            --- unroll_tree_refs
               |          
               |--87.50%-- __audit_syscall_exit
               |          sysret_audit
               |          |          
               |          |--71.44%-- __GI___kill
               |          |          
               |           --28.56%-- __GI___libc_lseek64
               |          
                --12.50%-- sysret_audit
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] __mutex_lock_slowpath                    
            |
            --- __mutex_lock_slowpath
                mutex_lock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.02%  postgres  [kernel.kallsyms]              [k] select_idle_sibling                      
            |
            --- select_idle_sibling
               |          
               |--63.29%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --36.71%-- select_task_rq_fair
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] wake_up_state                            
            |
            --- wake_up_state
               |          
               |--57.16%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --42.84%-- signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.02%  postgres  [kernel.kallsyms]              [k] rb_insert_color                          
            |
            --- rb_insert_color
               |          
               |--71.41%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --28.59%-- enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] kick_process                             
            |
            --- kick_process
               |          
               |--85.72%-- signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --14.28%-- complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] generic_segment_checks                   
            |
            --- generic_segment_checks
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.02%  postgres  [kernel.kallsyms]              [k] rw_verify_area                           
            |
            --- rw_verify_area
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

     0.02%  postgres  libc-2.12.so                   [.] __GI___libc_read                         
            |
            --- __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] pid_task                                 
            |
            --- pid_task
               |          
               |--50.00%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --50.00%-- sys_kill
                          system_call
                          __GI___kill

     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
               |          
               |--16.68%-- do_numeric_accum
               |          
               |--16.68%-- hash_any
               |          
               |--16.67%-- PinBuffer
               |          
               |--16.67%-- HeapTupleSatisfiesMVCC
               |          
               |--16.66%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --16.64%-- slot_deform_tuple

     0.01%  postgres  [kernel.kallsyms]              [k] vfs_llseek                               
            |
            --- vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.01%  postgres  [kernel.kallsyms]              [k] path_put                                 
            |
            --- path_put
               |          
               |--83.29%-- __audit_syscall_exit
               |          sysret_audit
               |          |          
               |          |--40.20%-- __GI___libc_lseek64
               |          |          
               |          |--40.14%-- __GI___kill
               |          |          
               |           --19.67%-- __GI___libc_read
               |          
                --16.71%-- sysret_audit
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] account_cfs_rq_runtime                   
            |
            --- account_cfs_rq_runtime
               |          
               |--83.29%-- update_curr
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --16.71%-- enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard             
            |
            --- filter_current_check_discard
               |          
               |--40.10%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--19.97%-- ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--19.97%-- handle_IRQ_event
               |          handle_edge_irq
               |          handle_irq
               |          do_IRQ
               |          ret_from_intr
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --19.95%-- update_curr
                          enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] ret_from_sys_call                        
            |
            --- ret_from_sys_call
                __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] memcpy                                   
            |
            --- memcpy
                cache_alloc_refill
                kmem_cache_alloc
                __sigqueue_alloc
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] native_smp_send_reschedule               
            |
            --- native_smp_send_reschedule
               |          
               |--40.01%-- kick_process
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--39.98%-- signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --20.00%-- update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          init_var_from_num

     0.01%  postgres  [kernel.kallsyms]              [k] find_next_bit                            
            |
            --- find_next_bit
                default_send_IPI_mask_sequence_phys
                physflat_send_IPI_mask
                native_smp_send_reschedule
                kick_process
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.01%  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
               |          
               |--20.00%-- vread_tsc
               |          
               |--20.00%-- slot_deform_tuple
               |          
               |--20.00%-- shm_mq_receive
               |          
               |--20.00%-- AllocSetAlloc
               |          
                --20.00%-- HeapTupleSatisfiesMVCC

     0.01%  postgres  [kernel.kallsyms]              [k] find_busiest_group                       
            |
            --- find_busiest_group
                thread_return
                sys_semtimedop
                sys_semop
                system_call
                __GI___semop

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] dput                                     
            |
            --- dput
                path_put
                __audit_syscall_exit
                sysret_audit
               |          
               |--80.14%-- __GI___kill
               |          
                --19.86%-- __GI___libc_lseek64

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

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] sched_clock_cpu                          
            |
            --- sched_clock_cpu
               |          
               |--75.00%-- update_rq_clock
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --25.00%-- enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add                     
            |
            --- __percpu_counter_add
               |          
               |--75.01%-- account_user_time
               |          account_process_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.35%-- shm_mq_inc_bytes_read
               |          |          
               |          |--33.33%-- int8_avg_accum
               |          |          
               |           --33.31%-- FunctionCall2Coll
               |          
                --24.99%-- account_system_time
                          account_process_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          file_read_actor
                          generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                                
            |
            --- ktime_get
               |          
               |--50.00%-- tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.03%-- s_lock
               |          |          
               |           --49.97%-- ExecProject
               |          
               |--25.02%-- tick_program_event
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          bcTruelen
               |          
                --24.98%-- tick_dev_program_event
                          tick_program_event
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          AllocSetAlloc

     0.01%  postgres  [kernel.kallsyms]              [k] physflat_send_IPI_mask                   
            |
            --- physflat_send_IPI_mask
                kick_process
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] task_of                                  
            |
            --- task_of
               |          
               |--50.01%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--25.00%-- task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          ExecProject
               |          
                --24.99%-- enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_wakeup            
            |
            --- ftrace_raw_event_sched_wakeup
               |          
               |--74.56%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --25.44%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.01%  postgres  postgres                       [.] CatalogCacheComputeHashValue             
            |
            --- CatalogCacheComputeHashValue
                (nil)

     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                        
            |
            --- run_timer_softirq
               |          
               |--66.67%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.03%-- slot_deform_tuple
               |          |          
               |           --49.97%-- ExecMakeFunctionResultNoSets
               |          
                --33.33%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          strip_var

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks                    
            |
            --- rcu_process_callbacks
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.33%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--33.33%-- make_result
               |          
                --33.33%-- hash_search_with_hash_value

     0.01%  postgres  [kernel.kallsyms]              [k] tick_do_update_jiffies64                 
            |
            --- tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.35%-- bpcharle
               |          
               |--33.33%-- ExecProject
               |          
                --33.32%-- slot_deform_tuple

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] sys_lseek                                
            |
            --- sys_lseek
               |          
               |--66.68%-- __GI___libc_lseek64
               |          
                --33.32%-- system_call
                          __GI___libc_lseek64

     0.01%  postgres  [kernel.kallsyms]              [k] sched_clock                              
            |
            --- sched_clock
                rb_reserve_next_event
                ring_buffer_lock_reserve
                trace_buffer_lock_reserve
                trace_current_buffer_lock_reserve
               |          
               |--66.67%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --33.33%-- ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  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
               |          
               |--33.34%-- ExecProject
               |          
               |--33.33%-- memcpy
               |          
                --33.33%-- FunctionCall2Coll

     0.01%  postgres  [kernel.kallsyms]              [k] transfer_objects                         
            |
            --- transfer_objects
                cache_alloc_refill
                kmem_cache_alloc
                __sigqueue_alloc
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] __mutex_unlock_slowpath                  
            |
            --- __mutex_unlock_slowpath
                mutex_unlock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.01%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt                     
            |
            --- apic_timer_interrupt
               |          
               |--33.38%-- memcpy
               |          
               |--33.38%-- ExecEvalScalarVarFast
               |          
                --33.24%-- file_read_actor
                          generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

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

     0.01%  postgres  [kernel.kallsyms]              [k] cpumask_next_and                         
            |
            --- cpumask_next_and
               |          
               |--66.63%-- find_busiest_group
               |          thread_return
               |          sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
                --33.37%-- thread_return
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

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

     0.01%  postgres  [kernel.kallsyms]              [k] sys_semtimedop                           
            |
            --- sys_semtimedop
               |          
               |--66.84%-- sys_semop
               |          system_call
               |          __GI___semop
               |          
                --33.16%-- system_call
                          __GI___semop

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

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq              
            |
            --- ftrace_raw_event_id_softirq
               |          
               |--50.22%-- ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --49.78%-- raise_softirq
                          run_local_timers
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          int4_sum

     0.00%  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
               |          
               |--50.00%-- HeapTupleSatisfiesMVCC
               |          
                --50.00%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     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
               |          
               |--50.01%-- free_var
               |          
                --49.99%-- int64_to_numericvar

     0.00%  postgres  [kernel.kallsyms]              [k] handle_edge_irq                          
            |
            --- handle_edge_irq
                handle_irq
                do_IRQ
                ret_from_intr
               |          
               |--50.02%-- InstrStopNode
               |          
                --49.98%-- hash_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] read_tsc                                 
            |
            --- read_tsc
                ktime_get
                tick_dev_program_event
                tick_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --49.99%-- AllocSetAlloc

     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
               |          
               |--50.02%-- UnpinBuffer.clone.0
               |          
                --49.98%-- LWLockRelease

     0.00%  postgres  [kernel.kallsyms]              [k] perf_adjust_freq_unthr_context           
            |
            --- 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%-- add_abs
               |          
                --50.00%-- GetPrivateRefCountEntry

     0.00%  postgres  [kernel.kallsyms]              [k] set_normalized_timespec                  
            |
            --- set_normalized_timespec
                timekeeping_update
                do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- FunctionCall1Coll
               |          
                --49.99%-- hash_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] __do_softirq                             
            |
            --- __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- hash_search_with_hash_value
               |          
                --50.00%-- bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write                    
            |
            --- native_apic_mem_write
                clockevents_program_event
                tick_dev_program_event
                tick_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.04%-- pg_detoast_datum_packed
               |          
                --49.96%-- int64_to_numericvar

     0.00%  postgres  [kernel.kallsyms]              [k] find_vpid                                
            |
            --- find_vpid
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] sysret_signal                            
            |
            --- sysret_signal
               |          
               |--50.01%-- __GI___kill
               |          
                --49.99%-- __GI___libc_lseek64

     0.00%  postgres  [kernel.kallsyms]              [k] inotify_inode_queue_event                
            |
            --- inotify_inode_queue_event
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

     0.00%  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
               |          
               |--50.01%-- XidInMVCCSnapshot
               |          
                --49.99%-- bpchareq

     0.00%  postgres  [kernel.kallsyms]              [k] cache_alloc_refill                       
            |
            --- cache_alloc_refill
                __sigqueue_alloc
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] call_softirq                             
            |
            --- call_softirq
               |          
               |--50.03%-- irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          HeapTupleSatisfiesMVCC
               |          
                --49.97%-- do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          hash_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] do_softirq                               
            |
            --- do_softirq
               |          
               |--50.01%-- smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          FunctionCall2Coll
               |          
                --49.99%-- irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          __GI___kill

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

     0.00%  postgres  [kernel.kallsyms]              [k] clear_page_c                             
            |
            --- clear_page_c
                __alloc_pages_nodemask
                alloc_pages_vma
                handle_pte_fault
                handle_mm_fault
                __do_page_fault
                do_page_fault
                page_fault
                palloc0

     0.00%  postgres  [kernel.kallsyms]              [k] dequeue_entity                           
            |
            --- dequeue_entity
                dequeue_task_fair
                dequeue_task
                deactivate_task
                thread_return
                sys_semtimedop
                sys_semop
                system_call
                __GI___semop

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] cap_file_permission                      
            |
            --- cap_file_permission
                rw_verify_area
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

     0.00%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                            
            |
            --- __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.14%-- __GI___kill
               |          
                --49.86%-- 0x7fff597448ab

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

     0.00%  postgres  [kernel.kallsyms]              [k] intel_pmu_enable_all                     
            |
            --- intel_pmu_enable_all
               |          
               |--95.52%-- 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
               |          hashbpchar
               |          
                --4.48%-- perf_pmu_enable
                          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
                          0x72c4479b242c

     0.00%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe                    
            |
            --- native_write_msr_safe
                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
               |          shm_mq_receive
                --0.25%-- [...]

     0.00%  postgres  [kernel.kallsyms]              [k] eth_type_trans                           
            |
            --- eth_type_trans
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                int64_to_numericvar

     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
                shm_mq_inc_bytes_read

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

     0.00%  postgres  [kernel.kallsyms]              [k] set_task_cpu                             
            |
            --- set_task_cpu
                try_to_wake_up
                wake_up_process
                hrtimer_wakeup
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                varstr_cmp

     0.00%  postgres  [kernel.kallsyms]              [k] ip_local_deliver                         
            |
            --- ip_local_deliver
                ip_rcv_finish
                ip_rcv
                __netif_receive_skb
                process_backlog
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                slot_deform_tuple

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

     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_run_queues                       
            |
            --- hrtimer_run_queues
                run_local_timers
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                ExecScan

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

     0.00%  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
                vread_tsc

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

     0.00%  postgres  [kernel.kallsyms]              [k] fsnotify                                 
            |
            --- fsnotify
                sys_read
                system_call
                __GI___libc_read

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_irq_exit                             
            |
            --- rcu_irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_getsomeattrs

     0.00%  postgres  [kernel.kallsyms]              [k] cpu_quiet_msk                            
            |
            --- cpu_quiet_msk
                force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                lock_task_sighand
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] activate_task                            
            |
            --- activate_task
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] irq_exit                                 
            |
            --- irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                ExecProject

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_softirq_raise           
            |
            --- ftrace_raw_event_softirq_raise
                run_local_timers
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                add_abs

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

     0.00%  postgres  [kernel.kallsyms]              [k] ipc_lock_check                           
            |
            --- ipc_lock_check
                sys_semop
                system_call
                __GI___semop

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

     0.00%  postgres  [kernel.kallsyms]              [k] inotify_dentry_parent_queue_event        
            |
            --- inotify_dentry_parent_queue_event
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] set_next_entity                          
            |
            --- set_next_entity
                pick_next_task_fair
                schedule
                sys_semtimedop
                sys_semop
                system_call
                __GI___semop

     0.00%  postgres  postgres                       [.] memcmp@plt                               
            |
            --- memcmp@plt

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

     0.00%  postgres  [kernel.kallsyms]              [k] sys_semop                                
            |
            --- sys_semop
                __GI___semop

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

     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
                slot_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] down_read_trylock                        
            |
            --- down_read_trylock
                __do_page_fault
                do_page_fault
                page_fault
                shm_mq_receive

     0.00%  postgres  [kernel.kallsyms]              [k] schedule                                 
            |
            --- schedule
                retint_careful
                ExecClearTuple

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

     0.00%  postgres  [kernel.kallsyms]              [k] _cond_resched                            
            |
            --- _cond_resched
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.00%  postgres  [kernel.kallsyms]              [k] ktime_get_update_offsets                 
            |
            --- ktime_get_update_offsets
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  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
                slot_deform_tuple

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

     0.00%  postgres  [kernel.kallsyms]              [k] tcp_transmit_skb                         
            |
            --- 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
                AllocSetAlloc

     0.00%  postgres  [kernel.kallsyms]              [k] get_rps_cpu                              
            |
            --- get_rps_cpu
                netif_rx
                0xffffffffa05a1097
                __netif_receive_skb
                netif_receive_skb
                napi_skb_finish
                napi_gro_receive
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                hash_any

     0.00%  postgres  [kernel.kallsyms]              [k] __fsnotify_parent                        
            |
            --- __fsnotify_parent
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.00%  postgres  postgres                       [.] memmove@plt                              
            |
            --- memmove@plt
                (nil)

     0.00%  postgres  [kernel.kallsyms]              [k] security_inode_delete                    
            |
            --- security_inode_delete
                iput
                do_unlinkat
                sys_unlink
                system_call
                __GI___unlink

     0.00%  postgres  [kernel.kallsyms]              [k] get_pageblock_flags_group                
            |
            --- get_pageblock_flags_group
                free_hot_cold_page
                __pagevec_free
                release_pages
                free_pages_and_swap_cache
                unmap_vmas
                unmap_region
                do_munmap
                sys_brk
                system_call
                __brk

     0.00%  postgres  [kernel.kallsyms]              [k] idr_find                                 
            |
            --- idr_find
                ipc_lock_check
                sys_semtimedop
                sys_semop
                system_call
                __GI___semop

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_run_pending                      
            |
            --- hrtimer_run_pending
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                heap_getnext

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_sleep        
            |
            --- ftrace_raw_event_sched_stat_sleep
                enqueue_task_fair
                enqueue_task
                activate_task
                try_to_wake_up
                wake_up_state
                signal_wake_up
                complete_signal
                __send_signal
                send_signal
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] fib_get_table                            
            |
            --- fib_get_table
                fib4_rule_action
                fib_rules_lookup
                fib_lookup
                ip_route_input_slow
                ip_route_input
                ip_rcv_finish
                ip_rcv
                __netif_receive_skb
                netif_receive_skb
                napi_skb_finish
                napi_gro_receive
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                ExecStoreMinimalTuple

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



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