# ========
# captured on: Tue Sep 22 15:07:03 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 = { 10 }
# 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.): 29013719739
#
# Overhead   Command                  Shared Object                                         Symbol
# ........  ........  .............................  .............................................
#
     3.72%  postgres  postgres                       [.] slot_deform_tuple                        
            |
            --- slot_deform_tuple

     3.62%  postgres  postgres                       [.] hash_search_with_hash_value              
            |
            --- hash_search_with_hash_value
               |          
               |--1.85%-- 0x1d4108000000000
                --98.15%-- [...]

     3.55%  postgres  libc-2.12.so                   [.] memcpy                                   
            |
            --- memcpy
               |          
               |--92.39%-- networkjoinsel
                --7.61%-- [...]

     3.09%  postgres  [kernel.kallsyms]              [k] resched_task                             
            |
            --- resched_task
               |          
               |--97.75%-- 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
               |          
                --2.25%-- 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

     2.85%  postgres  [kernel.kallsyms]              [k] _spin_lock                               
            |
            --- _spin_lock
               |          
               |--58.56%-- task_rq_lock
               |          try_to_wake_up
               |          |          
               |          |--99.85%-- 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%-- [...]
               |          
               |--37.43%-- 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
               |          
               |--0.87%-- thread_return
               |          sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
               |--0.78%-- 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
               |          
               |--0.61%-- 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
               |          
               |--0.61%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--28.58%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--14.29%-- shm_mq_receive_bytes
               |          |          
               |          |--14.29%-- __gettimeofday
               |          |          
               |          |--14.28%-- pfree
               |          |          
               |          |--14.28%-- advance_transition_function
               |          |          
               |           --14.28%-- bcTruelen
                --1.13%-- [...]

     2.59%  postgres  [kernel.kallsyms]              [k] task_curr                                
            |
            --- task_curr
               |          
               |--99.52%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.48%-- [...]

     2.40%  postgres  [kernel.kallsyms]              [k] try_to_wake_up                           
            |
            --- try_to_wake_up
               |          
               |--99.90%-- 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
                --0.10%-- [...]

     2.16%  postgres  [kernel.kallsyms]              [k] enqueue_entity                           
            |
            --- enqueue_entity
               |          
               |--99.54%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          |          
               |          |--99.77%-- 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
               |           --0.23%-- [...]
                --0.46%-- [...]

     2.06%  postgres  postgres                       [.] do_numeric_accum                         
            |
            --- do_numeric_accum
               |          
               |--93.38%-- 0x0
                --6.62%-- [...]

     2.00%  postgres  postgres                       [.] bcTruelen                                
            |
            --- bcTruelen

     1.99%  postgres  postgres                       [.] shm_mq_inc_bytes_read                    
            |
            --- shm_mq_inc_bytes_read

     1.80%  postgres  postgres                       [.] bpchareq                                 
            |
            --- bpchareq

     1.69%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC                   
            |
            --- HeapTupleSatisfiesMVCC

     1.56%  postgres  postgres                       [.] add_abs                                  
            |
            --- add_abs

     1.51%  postgres  [kernel.kallsyms]              [k] __send_signal                            
            |
            --- __send_signal
               |          
               |--99.84%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.16%-- [...]

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

     1.42%  postgres  [kernel.kallsyms]              [k] select_task_rq_fair                      
            |
            --- select_task_rq_fair
               |          
               |--99.65%-- 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
                --0.35%-- [...]

     1.42%  postgres  postgres                       [.] ExecProject                              
            |
            --- ExecProject

     1.40%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                       
            |
            --- _spin_lock_irqsave
               |          
               |--98.06%-- lock_task_sighand
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.06%-- ntp_tick_length
               |          do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- bpcharle
               |          |          
               |          |--16.67%-- vread_tsc
               |          |          
               |          |--16.67%-- memcpy
               |          |          
               |          |--16.66%-- int64_to_numericvar
               |          |          
               |           --16.66%-- AllocSetAlloc
                --0.87%-- [...]

     1.40%  postgres  postgres                       [.] slot_getattr                             
            |
            --- slot_getattr

     1.36%  postgres  postgres                       [.] AllocSetAlloc                            
            |
            --- AllocSetAlloc
               |          
               |--17.98%-- networkjoinsel
                --82.02%-- [...]

     1.33%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event                    
            |
            --- rb_reserve_next_event
               |          
               |--95.16%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.82%-- 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
               |          |          
               |          |--31.30%-- 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
               |          |          
               |          |--28.18%-- 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
               |          |          
               |          |--3.91%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--90.00%-- 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
               |          |          |          
               |          |          |--5.00%-- task_tick_fair
               |          |          |          scheduler_tick
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          ExecMakeFunctionResultNoSets
               |          |          |          
               |          |           --5.00%-- put_prev_task_fair
               |          |                     schedule
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |           --0.78%-- ftrace_raw_event_id_softirq
               |                     |          
               |                     |--50.08%-- ftrace_raw_event_softirq_raise
               |                     |          raise_softirq
               |                     |          |          
               |                     |          |--50.12%-- run_local_timers
               |                     |          |          update_process_times
               |                     |          |          tick_sched_timer
               |                     |          |          __run_hrtimer
               |                     |          |          hrtimer_interrupt
               |                     |          |          smp_apic_timer_interrupt
               |                     |          |          apic_timer_interrupt
               |                     |          |          bcTruelen
               |                     |          |          
               |                     |           --49.88%-- rcu_check_callbacks
               |                     |                     update_process_times
               |                     |                     tick_sched_timer
               |                     |                     __run_hrtimer
               |                     |                     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
               |                     |          
               |                     |--24.96%-- ftrace_raw_event_softirq_exit
               |                     |          __do_softirq
               |                     |          call_softirq
               |                     |          do_softirq
               |                     |          irq_exit
               |                     |          smp_apic_timer_interrupt
               |                     |          apic_timer_interrupt
               |                     |          InstrStopNode
               |                     |          
               |                      --24.96%-- ftrace_raw_event_softirq_entry
               |                                __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
               |          
                --4.84%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--42.32%-- 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
                          |          
                          |--34.60%-- 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
                          |          
                           --23.09%-- 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

     1.30%  postgres  [kernel.kallsyms]              [k] complete_signal                          
            |
            --- complete_signal
               |          
               |--99.43%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.57%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.24%  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

     1.15%  postgres  postgres                       [.] SetLatch                                 
            |
            --- SetLatch

     1.06%  postgres  postgres                       [.] hash_any                                 
            |
            --- hash_any

     1.06%  postgres  postgres                       [.] StrategyGetBuffer                        
            |
            --- StrategyGetBuffer

     1.05%  postgres  [kernel.kallsyms]              [k] lock_task_sighand                        
            |
            --- lock_task_sighand
               |          
               |--99.05%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.95%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.02%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                                
            |
            --- vread_tsc
               |          
               |--89.57%-- 0x7fff59744814
               |          0x7fff597448bc
               |          __gettimeofday
               |          
                --10.43%-- 0x7fff597448bc
                          __gettimeofday

     1.02%  postgres  [kernel.kallsyms]              [k] enqueue_task                             
            |
            --- enqueue_task
               |          
               |--98.53%-- 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
               |          
                --1.47%-- 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

     0.98%  postgres  postgres                       [.] make_result                              
            |
            --- make_result

     0.94%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                        
            |
            --- __rb_reserve_next
               |          
               |--95.49%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.25%-- 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
               |          |          
               |          |--33.61%-- 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
               |          |          
               |          |--30.02%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--98.15%-- 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
               |          |          |          
               |          |           --1.85%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--0.83%-- 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
               |           --0.28%-- [...]
               |          
                --4.51%-- ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--35.29%-- 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
                          |          
                          |--29.42%-- 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
                          |          
                          |--29.41%-- 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
                          |          
                           --5.88%-- ftrace_raw_event_sched_stat_runtime
                                     update_curr
                                     task_tick_fair
                                     scheduler_tick
                                     update_process_times
                                     tick_sched_timer
                                     __run_hrtimer
                                     hrtimer_interrupt
                                     smp_apic_timer_interrupt
                                     apic_timer_interrupt
                                     slot_deform_tuple

     0.92%  postgres  [kernel.kallsyms]              [k] __sigqueue_alloc                         
            |
            --- __sigqueue_alloc
               |          
               |--98.92%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.08%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.91%  postgres  [kernel.kallsyms]              [k] kmem_cache_alloc                         
            |
            --- kmem_cache_alloc
               |          
               |--98.63%-- __sigqueue_alloc
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.37%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.90%  postgres  [kernel.kallsyms]              [k] signal_wake_up                           
            |
            --- signal_wake_up
               |          
               |--96.41%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.59%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.84%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack                   
            |
            --- ftrace_trace_userstack
               |          
               |--80.31%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--45.79%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--99.20%-- 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
               |          |          |          
               |          |           --0.80%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--30.76%-- 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
               |          |          
               |          |--22.35%-- 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
               |          |          
               |          |--0.73%-- 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%-- do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --49.99%-- add_abs
               |           --0.37%-- [...]
               |          
               |--17.34%-- 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
               |          
               |--1.47%-- 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
               |          
                --0.88%-- 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

     0.84%  postgres  postgres                       [.] advance_transition_function              
            |
            --- advance_transition_function

     0.82%  postgres  [vdso]                         [.] 0x00007fff597448df                       
            |          
            |--11.82%-- 0x7fff5974481f
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--9.39%-- 0x7fff5974482a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--6.67%-- 0x7fff597448d4
            |          __gettimeofday
            |          
            |--5.46%-- 0x7fff59744830
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--4.24%-- 0x7fff59744826
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--4.24%-- 0x7fff597448a4
            |          __gettimeofday
            |          
            |--3.64%-- 0x7fff597448c0
            |          __gettimeofday
            |          
            |--3.33%-- 0x7fff597448df
            |          __gettimeofday
            |          
            |--3.33%-- 0x7fff59744814
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.03%-- 0x7fff5974489b
            |          __gettimeofday
            |          
            |--3.03%-- 0x7fff5974486a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.73%-- 0x7fff59744890
            |          
            |--2.73%-- 0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.42%-- 0x7fff597448db
            |          __gettimeofday
            |          
            |--2.12%-- 0x7fff597447d7
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.12%-- 0x7fff597447d6
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.12%-- 0x7fff59744898
            |          
            |--2.12%-- 0x7fff597448b2
            |          __gettimeofday
            |          
            |--2.12%-- 0x7fff597447fc
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.82%-- 0x7fff59744806
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.82%-- 0x7fff5974480a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.52%-- 0x7fff597448cd
            |          __gettimeofday
            |          
            |--1.52%-- 0x7fff597448b0
            |          __gettimeofday
            |          
            |--1.52%-- 0x7fff59744891
            |          
            |--1.52%-- 0x7fff597447e4
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.51%-- 0x7fff597448e9
            |          __gettimeofday
            |          
            |--1.21%-- 0x7fff59744811
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.21%-- 0x7fff5974483d
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.21%-- 0x7fff597447ee
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.91%-- 0x7fff597448a1
            |          __gettimeofday
            |          
            |--0.91%-- 0x7fff59744803
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff597448d8
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff597448ab
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff59744872
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff597447f9
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff597447d4
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff5974489d
            |          __gettimeofday
            |          
            |--0.61%-- 0x7fff597448d1
            |          __gettimeofday
            |          
            |--0.60%-- 0x7fff597447d1
            |          __gettimeofday
             --1.82%-- [...]

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

     0.76%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve                 
            |
            --- ring_buffer_lock_reserve
               |          
               |--81.49%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--34.27%-- 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
               |          |          
               |          |--34.25%-- 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
               |          |          
               |          |--29.88%-- 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
               |          |          
               |          |--1.20%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.68%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          run_local_timers
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.00%-- ExecClearTuple
               |          |          |          |          
               |          |          |           --50.00%-- advance_transition_function
               |          |          |          
               |          |           --33.32%-- ftrace_raw_event_softirq_exit
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     ExecStoreMinimalTuple
               |           --0.40%-- [...]
               |          
                --18.51%-- trace_current_buffer_lock_reserve
                          |          
                          |--61.41%-- 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
                          |          
                          |--28.07%-- 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
                          |          
                           --10.53%-- 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

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

     0.74%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve                
            |
            --- trace_buffer_lock_reserve
               |          
               |--93.37%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--51.45%-- 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
               |          |          
               |          |--38.91%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          
               |          |          |--99.08%-- 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
               |          |          |          
               |          |           --0.92%-- 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
               |          |          
               |          |--9.28%-- 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
               |           --0.36%-- [...]
               |          
               |--2.63%-- 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
               |          
               |--2.00%-- 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
               |          
               |--1.67%-- 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
                --0.33%-- [...]

     0.69%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit                     
            |
            --- __audit_syscall_exit
               |          
               |--73.30%-- sysret_audit
               |          |          
               |          |--95.08%-- __GI___kill
               |          |          
               |          |--2.95%-- __GI___libc_lseek64
               |          |          
               |           --1.97%-- __GI___libc_read
               |          
                --26.70%-- __GI___kill

     0.67%  postgres  postgres                       [.] shm_mq_receive                           
            |
            --- shm_mq_receive

     0.66%  postgres  [kernel.kallsyms]              [k] task_waking_fair                         
            |
            --- task_waking_fair
               |          
               |--98.88%-- 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
               |          
                --1.12%-- 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

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

     0.64%  postgres  [kernel.kallsyms]              [k] native_read_tsc                          
            |
            --- native_read_tsc
               |          
               |--96.89%-- native_sched_clock
               |          sched_clock
               |          |          
               |          |--90.76%-- trace_clock_local
               |          |          |          
               |          |          |--98.23%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--39.65%-- 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
               |          |          |          |          
               |          |          |          |--34.67%-- 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
               |          |          |          |          
               |          |          |          |--24.33%-- 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
               |          |          |          |          
               |          |          |          |--0.90%-- ftrace_raw_event_id_softirq
               |          |          |          |          |          
               |          |          |          |          |--50.01%-- ftrace_raw_event_softirq_exit
               |          |          |          |          |          __do_softirq
               |          |          |          |          |          call_softirq
               |          |          |          |          |          do_softirq
               |          |          |          |          |          irq_exit
               |          |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          do_send_sig_info
               |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          kill_pid_info
               |          |          |          |          |          sys_kill
               |          |          |          |          |          system_call
               |          |          |          |          |          __GI___kill
               |          |          |          |          |          
               |          |          |          |           --49.99%-- ftrace_raw_event_softirq_entry
               |          |          |          |                     __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
               |          |          |           --0.45%-- [...]
               |          |          |          
               |          |           --1.77%-- __rb_reserve_next
               |          |                     rb_reserve_next_event
               |          |                     ring_buffer_lock_reserve
               |          |                     trace_buffer_lock_reserve
               |          |                     trace_current_buffer_lock_reserve
               |          |                     |          
               |          |                     |--75.00%-- 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
               |          |                     |          
               |          |                      --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
               |          |          
               |           --9.24%-- 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
               |          
                --3.11%-- sched_clock
                          |          
                          |--75.01%-- trace_clock_local
                          |          rb_reserve_next_event
                          |          ring_buffer_lock_reserve
                          |          trace_buffer_lock_reserve
                          |          trace_current_buffer_lock_reserve
                          |          |          
                          |          |--66.67%-- ftrace_raw_event_id_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_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
                          |          
                           --24.99%-- 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

     0.64%  postgres  [kernel.kallsyms]              [k] trace_clock_local                        
            |
            --- trace_clock_local
               |          
               |--83.59%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.02%-- 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
               |          |          
               |          |--31.79%-- 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
               |          |          
               |          |--31.32%-- 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
               |          |          
               |          |--1.40%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.68%-- ftrace_raw_event_softirq_entry
               |          |          |          __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
               |          |          |          
               |          |           --33.32%-- ftrace_raw_event_softirq_exit
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     __GI___kill
               |           --0.47%-- [...]
               |          
               |--14.85%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--60.52%-- 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
               |          |          
               |          |--21.06%-- 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
               |          |          
               |          |--15.79%-- 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_softirq
               |                     ftrace_raw_event_softirq_exit
               |                     __do_softirq
               |                     call_softirq
               |                     do_softirq
               |                     irq_exit
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     ExecProject
               |          
                --1.56%-- __rb_reserve_next
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--75.06%-- 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
                          |          
                           --24.94%-- 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

     0.61%  postgres  postgres                       [.] shm_mq_receive_bytes                     
            |
            --- shm_mq_receive_bytes

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

     0.55%  postgres  [kernel.kallsyms]              [k] system_call                              
            |
            --- system_call
               |          
               |--92.83%-- __GI___kill
               |          
               |--4.48%-- __GI___libc_lseek64
               |          
                --2.69%-- __GI___libc_read

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

     0.54%  postgres  [kernel.kallsyms]              [k] update_curr                              
            |
            --- update_curr
               |          
               |--94.52%-- 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
               |          
               |--2.28%-- 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
               |          
               |--1.83%-- dequeue_entity
               |          dequeue_task_fair
               |          dequeue_task
               |          deactivate_task
               |          thread_return
               |          sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
               |--0.91%-- task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- sysret_audit
               |          |          __GI___kill
               |          |          
               |           --49.99%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
                --0.46%-- [...]

     0.53%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore                  
            |
            --- _spin_unlock_irqrestore
               |          
               |--47.44%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--27.91%-- 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
               |          
               |--11.63%-- 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
               |          
               |--10.70%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--0.93%-- rcu_process_dyntick
               |          force_quiescent_state
               |          __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.05%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.95%-- generic_file_aio_read
               |                     do_sync_read
               |                     vfs_read
               |                     sys_read
               |                     system_call
               |                     __GI___libc_read
                --1.40%-- [...]

     0.52%  postgres  postgres                       [.] int64_to_numericvar                      
            |
            --- int64_to_numericvar

     0.50%  postgres  [kernel.kallsyms]              [k] check_kill_permission                    
            |
            --- check_kill_permission
               |          
               |--96.53%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.47%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.48%  postgres  postgres                       [.] palloc                                   
            |
            --- palloc
               |          
               |--13.97%-- networkjoinsel
                --86.03%-- [...]

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

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

     0.45%  postgres  postgres                       [.] bpcharle                                 
            |
            --- bpcharle

     0.45%  postgres  postgres                       [.] heap_page_prune_opt                      
            |
            --- heap_page_prune_opt

     0.44%  postgres  postgres                       [.] init_var_from_num                        
            |
            --- init_var_from_num
               |          
               |--54.24%-- 0x0
               |          
                --45.76%-- slot_getsomeattrs

     0.44%  postgres  [kernel.kallsyms]              [k] sys_kill                                 
            |
            --- sys_kill
               |          
               |--81.82%-- system_call
               |          __GI___kill
               |          
                --18.18%-- __GI___kill

     0.40%  postgres  postgres                       [.] int4_sum                                 
            |
            --- int4_sum

     0.39%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update             
            |
            --- tracing_generic_entry_update
               |          
               |--57.97%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--36.26%-- 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
               |          |          
               |          |--31.86%-- 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
               |          |          
               |          |--25.28%-- 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
               |          |          
               |          |--4.40%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--74.99%-- 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
               |          |          |          
               |          |           --25.01%-- task_tick_fair
               |          |                     scheduler_tick
               |          |                     update_process_times
               |          |                     tick_sched_timer
               |          |                     __run_hrtimer
               |          |                     hrtimer_interrupt
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     ExecAgg
               |          |          
               |           --2.20%-- ftrace_raw_event_id_softirq
               |                     |          
               |                     |--50.01%-- ftrace_raw_event_softirq_entry
               |                     |          __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
               |                     |          
               |                      --49.99%-- ftrace_raw_event_softirq_raise
               |                                raise_softirq
               |                                run_local_timers
               |                                update_process_times
               |                                tick_sched_timer
               |                                __run_hrtimer
               |                                hrtimer_interrupt
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                find_get_page
               |                                generic_file_aio_read
               |                                do_sync_read
               |                                vfs_read
               |                                sys_read
               |                                system_call
               |                                __GI___libc_read
               |          
                --42.03%-- trace_current_buffer_lock_reserve
                          |          
                          |--53.05%-- 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
                          |          
                          |--31.81%-- 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
                          |          
                          |--13.62%-- 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
                          |          
                           --1.51%-- ftrace_raw_event_sched_stat_runtime
                                     update_curr
                                     dequeue_entity
                                     dequeue_task_fair
                                     dequeue_task
                                     deactivate_task
                                     thread_return
                                     sys_semtimedop
                                     sys_semop
                                     system_call
                                     __GI___semop

     0.38%  postgres  [kernel.kallsyms]              [k] rb_end_commit                            
            |
            --- rb_end_commit
               |          
               |--91.61%-- ring_buffer_unlock_commit
               |          trace_nowake_buffer_unlock_commit
               |          |          
               |          |--36.62%-- 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
               |          |          
               |          |--35.21%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          
               |          |          |--98.00%-- 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
               |          |          |          
               |          |           --2.00%-- 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
               |          |          
               |           --28.18%-- 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
               |          
                --8.39%-- trace_nowake_buffer_unlock_commit
                          |          
                          |--38.47%-- 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
                          |          
                          |--38.46%-- 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
                          |          
                          |--15.38%-- 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
                          |          
                           --7.69%-- 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
                                     varstr_cmp

     0.36%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_signal_generate         
            |
            --- ftrace_raw_event_signal_generate
               |          
               |--83.43%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --16.57%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.36%  postgres  postgres                       [.] AllocSetFree                             
            |
            --- AllocSetFree

     0.35%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_stat_template  
            |
            --- ftrace_raw_event_id_sched_stat_template
               |          
               |--98.59%-- 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
               |          
                --1.41%-- 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

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

     0.34%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit                
            |
            --- ring_buffer_unlock_commit
               |          
               |--81.62%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--38.73%-- 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
               |          |          
               |          |--32.44%-- 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
               |          |          
               |          |--27.03%-- 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
               |          |          
               |          |--0.90%-- ftrace_raw_event_id_softirq
               |          |          ftrace_raw_event_softirq_raise
               |          |          raise_softirq
               |          |          rcu_check_callbacks
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          slot_deform_tuple
               |          |          
               |           --0.90%-- 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
               |          
               |--8.82%-- 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
               |          
               |--6.62%-- 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
               |          
               |--2.21%-- 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
               |          
                --0.73%-- ftrace_raw_event_sched_stat_runtime
                          update_curr
                          put_prev_task_fair
                          schedule
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

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

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

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

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

     0.32%  postgres  [kernel.kallsyms]              [k] task_rq_lock                             
            |
            --- task_rq_lock
               |          
               |--93.80%-- try_to_wake_up
               |          |          
               |          |--98.35%-- 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
               |          |          
               |           --1.65%-- wake_up_process
               |                     update_queue
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --6.20%-- 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

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

     0.32%  postgres  postgres                       [.] TupleHashTableHash                       
            |
            --- TupleHashTableHash
               |          
               |--23.28%-- 0x1d72000
                --76.72%-- [...]

     0.31%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                      
            |
            --- audit_syscall_entry
               |          
               |--92.86%-- auditsys
               |          |          
               |          |--95.73%-- __GI___kill
               |          |          
               |          |--2.56%-- __GI___libc_lseek64
               |          |          
               |           --1.71%-- __GI___libc_read
               |          
                --7.14%-- __GI___kill

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

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

     0.30%  postgres  postgres                       [.] int8_avg_accum                           
            |
            --- int8_avg_accum

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

     0.30%  postgres  [kernel.kallsyms]              [k] pid_vnr                                  
            |
            --- pid_vnr
                sys_kill
                system_call
                __GI___kill

     0.30%  postgres  [kernel.kallsyms]              [k] send_signal                              
            |
            --- send_signal
               |          
               |--88.24%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --11.76%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.29%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit        
            |
            --- trace_nowake_buffer_unlock_commit
               |          
               |--58.93%-- 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
               |          
               |--18.83%-- 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
               |          
               |--17.97%-- 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
               |          
                --4.28%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.29%  postgres  [kernel.kallsyms]              [k] do_send_sig_info                         
            |
            --- do_send_sig_info
               |          
               |--97.39%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.61%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.28%  postgres  [kernel.kallsyms]              [k] __task_pid_nr_ns                         
            |
            --- __task_pid_nr_ns
               |          
               |--96.46%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.54%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.27%  postgres  [kernel.kallsyms]              [k] update_rq_clock                          
            |
            --- update_rq_clock
               |          
               |--94.44%-- 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
               |          
                --5.56%-- 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

     0.26%  postgres  [kernel.kallsyms]              [k] group_send_sig_info                      
            |
            --- group_send_sig_info
               |          
               |--90.38%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.62%-- sys_kill
                          system_call
                          __GI___kill

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

     0.25%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_wakeup_template
            |
            --- ftrace_raw_event_id_sched_wakeup_template
               |          
               |--95.05%-- 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
               |          
                --4.95%-- 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  [kernel.kallsyms]              [k] select_idle_sibling                      
            |
            --- select_idle_sibling
               |          
               |--82.47%-- 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
               |          
                --17.53%-- 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  [kernel.kallsyms]              [k] check_preempt_curr                       
            |
            --- check_preempt_curr
               |          
               |--95.79%-- 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
               |          
                --4.21%-- 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

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

     0.23%  postgres  [kernel.kallsyms]              [k] kill_pid_info                            
            |
            --- kill_pid_info
               |          
               |--88.04%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --11.96%-- system_call
                          __GI___kill

     0.22%  postgres  postgres                       [.] DirectFunctionCall1Coll                  
            |
            --- DirectFunctionCall1Coll

     0.22%  postgres  [kernel.kallsyms]              [k] native_sched_clock                       
            |
            --- native_sched_clock
               |          
               |--85.06%-- sched_clock
               |          |          
               |          |--78.37%-- trace_clock_local
               |          |          rb_reserve_next_event
               |          |          ring_buffer_lock_reserve
               |          |          trace_buffer_lock_reserve
               |          |          trace_current_buffer_lock_reserve
               |          |          |          
               |          |          |--37.93%-- 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
               |          |          |          
               |          |          |--36.20%-- 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
               |          |          |          
               |          |          |--24.14%-- 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
               |          |          |          
               |          |           --1.73%-- 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
               |          |                     pgstat_end_function_usage
               |          |          
               |           --21.63%-- 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
               |          
               |--9.20%-- trace_clock_local
               |          rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--37.50%-- 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
               |          |          
               |          |--37.48%-- 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
               |          |          
               |           --25.01%-- 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
               |          
                --5.75%-- sched_clock_cpu
                          update_rq_clock
                          |          
                          |--80.00%-- 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
                          |          
                           --20.00%-- dequeue_task
                                     deactivate_task
                                     thread_return
                                     sys_semtimedop
                                     sys_semop
                                     system_call
                                     __GI___semop

     0.21%  postgres  postgres                       [.] LookupTupleHashEntry                     
            |
            --- LookupTupleHashEntry
               |          
               |--79.08%-- 0x1d4108000000000
                --20.92%-- [...]

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

     0.21%  postgres  libc-2.12.so                   [.] __gettimeofday                           
            |
            --- __gettimeofday

     0.20%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock                   
            |
            --- trace_recursive_unlock
               |          
               |--70.34%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--50.96%-- 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
               |          |          
               |          |--28.11%-- 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
               |          |          
               |           --20.93%-- 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
               |          
                --29.66%-- ring_buffer_unlock_commit
                          trace_nowake_buffer_unlock_commit
                          |          
                          |--41.68%-- 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_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
                          |          
                          |--20.82%-- 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
                          |          
                           --4.17%-- 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

     0.20%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve        
            |
            --- trace_current_buffer_lock_reserve
               |          
               |--64.18%-- 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
               |          
               |--16.03%-- 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
               |          
               |--11.14%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--4.95%-- 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
               |          
               |--1.24%-- ftrace_raw_event_softirq_entry
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          memcpy
               |          
               |--1.24%-- 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
               |          
                --1.24%-- 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

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

     0.19%  postgres  postgres                       [.] FunctionCall2Coll                        
            |
            --- FunctionCall2Coll

     0.19%  postgres  [kernel.kallsyms]              [k] __list_add                               
            |
            --- __list_add
               |          
               |--49.99%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--38.47%-- 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
               |          
               |--6.41%-- 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
               |          
                --5.13%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.19%  postgres  [kernel.kallsyms]              [k] find_get_page                            
            |
            --- find_get_page
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

     0.18%  postgres  [kernel.kallsyms]              [k] find_pid_ns                              
            |
            --- find_pid_ns
               |          
               |--90.54%-- find_vpid
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.46%-- sys_kill
                          system_call
                          __GI___kill

     0.18%  postgres  postgres                       [.] add_var                                  
            |
            --- add_var
               |          
               |--40.55%-- 0x0
                --59.45%-- [...]

     0.18%  postgres  libc-2.12.so                   [.] __GI___kill                              
            |
            --- __GI___kill

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

     0.18%  postgres  [kernel.kallsyms]              [k] sysret_check                             
            |
            --- sysret_check
               |          
               |--84.76%-- __GI___kill
               |          
               |--11.08%-- __GI___libc_lseek64
               |          
               |--2.77%-- __GI___libc_read
               |          
                --1.39%-- __GI___semop

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

     0.17%  postgres  [kernel.kallsyms]              [k] enqueue_task_fair                        
            |
            --- enqueue_task_fair
               |          
               |--94.21%-- 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
               |          
                --5.79%-- 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

     0.16%  postgres  [kernel.kallsyms]              [k] rb_insert_color                          
            |
            --- rb_insert_color
               |          
               |--83.08%-- 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
               |          
               |--15.39%-- 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
               |          
                --1.54%-- enqueue_hrtimer
                          __hrtimer_start_range_ns
                          hrtimer_start_range_ns
                          schedule_hrtimeout_range
                          poll_schedule_timeout
                          do_select
                          core_sys_select
                          sys_select
                          system_call
                          __select

     0.15%  postgres  postgres                       [.] MemoryContextReset                       
            |
            --- MemoryContextReset

     0.15%  postgres  postgres                       [.] check_stack_depth                        
            |
            --- check_stack_depth

     0.14%  postgres  [kernel.kallsyms]              [k] kfree                                    
            |
            --- kfree
               |          
               |--53.34%-- sysret_audit
               |          |          
               |          |--96.79%-- __GI___kill
               |          |          
               |           --3.21%-- __GI___libc_lseek64
               |          
                --46.66%-- __audit_syscall_exit
                          sysret_audit
                          |          
                          |--92.60%-- __GI___kill
                          |          
                           --7.40%-- __GI___libc_lseek64

     0.14%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data                   
            |
            --- ring_buffer_event_data
               |          
               |--41.16%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--39.14%-- 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
               |          |          
               |          |--39.11%-- 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
               |          |          
               |           --21.74%-- 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
               |          
               |--17.67%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--49.35%-- 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
               |          |          
               |          |--30.39%-- 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
               |          |          
               |           --20.26%-- 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
               |          
               |--12.54%-- 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
               |          
               |--8.95%-- 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
               |          
               |--5.37%-- 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
               |          
               |--5.37%-- 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
               |          
               |--5.37%-- 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
               |          
                --3.58%-- __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] effective_load                           
            |
            --- effective_load
               |          
               |--59.99%-- 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
               |          
                --40.01%-- 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

     0.13%  postgres  postgres                       [.] heap_copytuple                           
            |
            --- heap_copytuple
               |          
               |--62.96%-- networkjoinsel
                --37.04%-- [...]

     0.13%  postgres  [kernel.kallsyms]              [k] account_entity_enqueue                   
            |
            --- account_entity_enqueue
               |          
               |--88.89%-- 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
               |          
                --11.11%-- 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

     0.13%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                        
            |
            --- update_cfs_shares
               |          
               |--90.56%-- 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
               |          
               |--7.55%-- 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
               |          
                --1.89%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          slot_getattr

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

     0.12%  postgres  postgres                       [.] pgstat_end_function_usage                
            |
            --- pgstat_end_function_usage
               |          
               |--2.00%-- 0x9519900497ac1
               |          
               |--2.00%-- 0xe40f800497ac1
               |          
               |--2.00%-- 0xdc8af00497ac1
               |          
               |--2.00%-- 0x6922700497ac1
               |          
               |--2.00%-- 0x107a7500497ac1
               |          
               |--2.00%-- 0x4a25a00497ac1
               |          
               |--2.00%-- 0x2854600497ac1
               |          
               |--2.00%-- 0xaff3100497ac1
               |          
               |--2.00%-- 0x1ee49ba
               |          
               |--2.00%-- 0x11b17b00497ac1
               |          
               |--2.00%-- 0x15fdcf00497ac1
               |          
               |--2.00%-- 0x90f2e00497ac1
               |          
               |--2.00%-- 0x1071a100497ac1
               |          
               |--2.00%-- 0xb236800497ac1
               |          
               |--2.00%-- 0x92b6400497ac1
               |          
               |--2.00%-- 0xc278800497ac1
               |          
               |--2.00%-- 0x4895d00497ac1
               |          
               |--2.00%-- 0xc7ae200497ac1
               |          
               |--2.00%-- 0x3928900497ac1
               |          
               |--2.00%-- 0x1560e800497ac1
               |          
               |--2.00%-- 0xe335800497ac1
               |          
               |--2.00%-- 0xc278e00497ac1
               |          
               |--2.00%-- 0x2a99a00497ac1
               |          
               |--2.00%-- 0xc278a00497ac1
               |          
               |--2.00%-- 0x133b4e00497ac1
               |          
               |--2.00%-- 0xc277a00497ac1
                --48.00%-- [...]

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

     0.12%  postgres  [kernel.kallsyms]              [k] prepare_signal                           
            |
            --- prepare_signal
               |          
               |--85.11%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --14.89%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

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

     0.10%  postgres  [kernel.kallsyms]              [k] update_cfs_load                          
            |
            --- update_cfs_load
               |          
               |--88.09%-- 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
               |          
               |--7.14%-- 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
               |          
               |--2.38%-- task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          shm_mq_inc_bytes_read
               |          
                --2.38%-- scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          hash_search_with_hash_value

     0.10%  postgres  postgres                       [.] UnpinBuffer.clone.0                      
            |
            --- UnpinBuffer.clone.0

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

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

     0.10%  postgres  [kernel.kallsyms]              [k] current_kernel_time                      
            |
            --- current_kernel_time
               |          
               |--53.82%-- audit_syscall_entry
               |          auditsys
               |          |          
               |          |--90.48%-- __GI___kill
               |          |          
               |          |--4.77%-- __GI___libc_lseek64
               |          |          
               |           --4.76%-- __GI___libc_read
               |          
                --46.18%-- auditsys
                          __GI___kill

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

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

     0.09%  postgres  [kernel.kallsyms]              [k] ret_from_sys_call                        
            |
            --- ret_from_sys_call
                __GI___kill

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

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

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

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

     0.07%  postgres  [kernel.kallsyms]              [k] task_active_pid_ns                       
            |
            --- task_active_pid_ns
               |          
               |--65.51%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --34.49%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.07%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard             
            |
            --- filter_current_check_discard
               |          
               |--27.60%-- 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
               |          
               |--20.70%-- 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
               |          
               |--17.24%-- 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
               |          
               |--13.79%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--10.33%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--66.63%-- ftrace_raw_event_softirq_raise
               |          |          raise_softirq
               |          |          run_local_timers
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--50.15%-- HeapTupleSatisfiesMVCC
               |          |          |          
               |          |           --49.85%-- file_read_actor
               |          |                     generic_file_aio_read
               |          |                     do_sync_read
               |          |                     vfs_read
               |          |                     sys_read
               |          |                     system_call
               |          |                     __GI___libc_read
               |          |          
               |           --33.37%-- ftrace_raw_event_softirq_exit
               |                     __do_softirq
               |                     call_softirq
               |                     do_softirq
               |                     irq_exit
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     vread_tsc
               |          
               |--6.90%-- 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
               |          
                --3.45%-- 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

     0.06%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                         
            |
            --- unroll_tree_refs
               |          
               |--84.62%-- __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --15.38%-- sysret_audit
                          __GI___kill

     0.06%  postgres  [ext4]                         [k] ext4_llseek                              
            |
            --- ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

     0.06%  postgres  postgres                       [.] hash_search                              
            |
            --- hash_search
               |          
               |--43.61%-- 0x1d72000
               |          
               |--43.58%-- 0x1d4108000000000
               |          
                --12.81%-- 0x100000000000000

     0.06%  postgres  [kernel.kallsyms]              [k] radix_tree_lookup_slot                   
            |
            --- radix_tree_lookup_slot
               |          
               |--87.49%-- find_get_page
               |          generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --12.51%-- generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.06%  postgres  [kernel.kallsyms]              [k] mutex_lock                               
            |
            --- mutex_lock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

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

     0.05%  postgres  [kernel.kallsyms]              [k] mutex_unlock                             
            |
            --- mutex_unlock
                ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

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

     0.05%  postgres  [kernel.kallsyms]              [k] wake_up_state                            
            |
            --- wake_up_state
               |          
               |--55.00%-- 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
               |          
                --45.00%-- 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  [kernel.kallsyms]              [k] auditsys                                 
            |
            --- auditsys
               |          
               |--90.00%-- __GI___kill
               |          
               |--5.00%-- __GI___libc_lseek64
               |          
                --4.99%-- __GI___libc_read

     0.05%  postgres  [kernel.kallsyms]              [k] sched_clock_cpu                          
            |
            --- sched_clock_cpu
               |          
               |--75.00%-- update_rq_clock
               |          |          
               |          |--93.34%-- 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
               |          |          
               |           --6.66%-- thread_return
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --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

     0.05%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                       
            |
            --- ftrace_trace_stack
               |          
               |--31.57%-- 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
               |          
               |--26.33%-- 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
               |          
               |--21.06%-- 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
               |          
                --21.04%-- trace_nowake_buffer_unlock_commit
                          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

     0.05%  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

     0.04%  postgres  [kernel.kallsyms]              [k] path_put                                 
            |
            --- path_put
               |          
               |--61.11%-- sysret_audit
               |          |          
               |          |--90.91%-- __GI___kill
               |          |          
               |           --9.09%-- __GI___libc_lseek64
               |          
                --38.89%-- __audit_syscall_exit
                          sysret_audit
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] sysret_signal                            
            |
            --- sysret_signal
                __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] generic_file_aio_read                    
            |
            --- generic_file_aio_read
               |          
               |--94.43%-- do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --5.57%-- vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.04%  postgres  [kernel.kallsyms]              [k] place_entity                             
            |
            --- place_entity
               |          
               |--76.47%-- 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
               |          
                --23.53%-- 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  postgres                       [.] GetPrivateRefCountEntry                  
            |
            --- GetPrivateRefCountEntry

     0.04%  postgres  [kernel.kallsyms]              [k] dput                                     
            |
            --- dput
               |          
               |--52.93%-- path_put
               |          __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --47.07%-- __audit_syscall_exit
                          sysret_audit
                          |          
                          |--87.51%-- __GI___kill
                          |          
                           --12.49%-- __GI___libc_lseek64

     0.04%  postgres  [kernel.kallsyms]              [k] default_send_IPI_mask_sequence_phys      
            |
            --- 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

     0.04%  postgres  [kernel.kallsyms]              [k] pid_task                                 
            |
            --- pid_task
               |          
               |--53.34%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --46.66%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_sleep        
            |
            --- ftrace_raw_event_sched_stat_sleep
               |          
               |--66.66%-- 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
               |          
                --33.34%-- 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] sched_clock                              
            |
            --- sched_clock
               |          
               |--73.37%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--45.46%-- 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
               |          |          
               |          |--45.45%-- 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
               |          |          
               |           --9.09%-- 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
               |          
                --26.63%-- 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

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

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

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

     0.03%  postgres  [kernel.kallsyms]              [k] find_vpid                                
            |
            --- find_vpid
               |          
               |--56.83%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --43.17%-- system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_wakeup            
            |
            --- ftrace_raw_event_sched_wakeup
               |          
               |--83.32%-- 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
               |          
                --16.68%-- 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                       [.] LWLockConditionalAcquire                 
            |
            --- LWLockConditionalAcquire

     0.03%  postgres  [kernel.kallsyms]              [k] ktime_get                                
            |
            --- ktime_get
               |          
               |--90.91%-- tick_sched_timer
               |          __run_hrtimer
               |          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
               |          
                --9.09%-- tick_dev_program_event
                          tick_program_event
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          TupleHashTableHash

     0.02%  postgres  [kernel.kallsyms]              [k] check_preempt_wakeup                     
            |
            --- check_preempt_wakeup
               |          
               |--59.99%-- try_to_wake_up
               |          |          
               |          |--83.34%-- 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
               |          |          
               |           --16.66%-- wake_up_process
               |                     update_queue
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --40.01%-- check_preempt_curr
                          try_to_wake_up
                          |          
                          |--50.01%-- 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
                          |          
                           --49.99%-- wake_up_process
                                     update_queue
                                     sys_semtimedop
                                     sys_semop
                                     system_call
                                     __GI___semop

     0.02%  postgres  [kernel.kallsyms]              [k] task_of                                  
            |
            --- task_of
               |          
               |--59.99%-- 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
               |          
               |--30.00%-- 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
               |          
                --10.01%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          heap_getnext

     0.02%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                          
            |
            --- __memcmp_sse4_1

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

     0.02%  postgres  [kernel.kallsyms]              [k] cap_task_kill                            
            |
            --- cap_task_kill
               |          
               |--55.56%-- check_kill_permission
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --44.44%-- security_task_kill
                          check_kill_permission
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] scheduler_tick                           
            |
            --- scheduler_tick
               |          
               |--88.88%-- update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--62.50%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.02%-- slot_deform_tuple
               |          |          
               |           --12.48%-- ReadBuffer_common
               |          
                --11.12%-- tick_sched_timer
                          __run_hrtimer
                          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

     0.02%  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] sys_read                                 
            |
            --- sys_read
               |          
               |--77.77%-- system_call
               |          __GI___libc_read
               |          
                --22.23%-- __GI___libc_read

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

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

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

     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] apic_timer_interrupt                     
            |
            --- apic_timer_interrupt
               |          
               |--57.14%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--14.29%-- 0x7fff5974486a
               |          
               |--14.29%-- ExecAgg
               |          
                --14.28%-- hash_search_with_hash_value

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

     0.02%  postgres  [kernel.kallsyms]              [k] sysret_careful                           
            |
            --- sysret_careful
                __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime      
            |
            --- ftrace_raw_event_sched_stat_runtime
               |          
               |--85.71%-- update_curr
               |          |          
               |          |--50.00%-- enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--66.67%-- 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%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--33.34%-- task_tick_fair
               |          |          scheduler_tick
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--50.01%-- SetLatch
               |          |          |          
               |          |           --49.99%-- do_send_sig_info
               |          |                     group_send_sig_info
               |          |                     kill_pid_info
               |          |                     sys_kill
               |          |                     system_call
               |          |                     __GI___kill
               |          |          
               |           --16.66%-- dequeue_entity
               |                     dequeue_task_fair
               |                     dequeue_task
               |                     deactivate_task
               |                     thread_return
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --14.29%-- 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] cache_alloc_refill                       
            |
            --- cache_alloc_refill
               |          
               |--71.43%-- 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
               |          
                --28.57%-- __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] find_next_bit                            
            |
            --- find_next_bit
               |          
               |--66.67%-- 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
               |          
                --33.33%-- 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  postgres                       [.] IncrBufferRefCount                       
            |
            --- IncrBufferRefCount

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

     0.01%  postgres  [kernel.kallsyms]              [k] security_task_kill                       
            |
            --- security_task_kill
               |          
               |--66.67%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --33.33%-- check_kill_permission
                          group_send_sig_info
                          kill_pid_info
                          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
               |          
               |--16.67%-- AllocSetAlloc
               |          
               |--16.67%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.67%-- ExecProject
               |          
               |--16.67%-- shm_mq_inc_bytes_read
               |          
               |--16.66%-- ExecMakeFunctionResultNoSets
               |          
                --16.66%-- ExecClearTuple

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

     0.01%  postgres  [kernel.kallsyms]              [k] activate_task                            
            |
            --- activate_task
               |          
               |--66.66%-- 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
               |          
                --33.34%-- 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] file_read_actor                          
            |
            --- file_read_actor
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

     0.01%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add                     
            |
            --- __percpu_counter_add
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--20.01%-- ExecStoreTuple
               |          
               |--20.00%-- bpchareq
               |          
               |--20.00%-- vread_tsc
               |          
               |--20.00%-- InstrStopNode
               |          
                --19.99%-- ExecClearTuple

     0.01%  postgres  [kernel.kallsyms]              [k] hrtimer_interrupt                        
            |
            --- hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--39.99%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--20.00%-- int64_to_numericvar
               |          
               |--20.00%-- auditsys
               |          __GI___kill
               |          
                --20.00%-- TupleQueueFunnelNext

     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] __rcu_process_callbacks                  
            |
            --- __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--20.01%-- ExecMakeFunctionResultNoSets
               |          
               |--20.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--20.00%-- XidInMVCCSnapshot
               |          
               |--19.99%-- sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --19.99%-- ExecStoreVirtualTuple

     0.01%  postgres  [kernel.kallsyms]              [k] check_for_new_grace_period               
            |
            --- check_for_new_grace_period
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--40.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--20.00%-- make_result
               |          
               |--20.00%-- add_abs
               |          
                --19.98%-- memcpy

     0.01%  postgres  postgres                       [.] memcpy@plt                               
            |
            --- memcpy@plt
               |          
               |--59.99%-- networkjoinsel
                --40.01%-- [...]

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

     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                             
            |
            --- __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--20.03%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--20.03%-- hash_search_with_hash_value
               |          
               |--20.03%-- slot_deform_tuple
               |          
               |--20.02%-- ExecClearTuple
               |          
                --19.89%-- memcpy

     0.01%  postgres  [kernel.kallsyms]              [k] sys_lseek                                
            |
            --- sys_lseek
               |          
               |--80.07%-- __GI___libc_lseek64
               |          
                --19.93%-- system_call
                          __GI___libc_lseek64

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                        
            |
            --- run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--20.06%-- ExecMakeFunctionResultNoSets
               |          
               |--20.05%-- ExecProject
               |          
               |--20.04%-- hash_search_with_hash_value
               |          
               |--20.03%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --19.81%-- HeapTupleSatisfiesMVCC

     0.01%  postgres  [kernel.kallsyms]              [k] raise_softirq                            
            |
            --- raise_softirq
               |          
               |--40.21%-- rcu_check_callbacks
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          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%-- memcpy
               |          
               |--40.20%-- run_local_timers
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- sysret_audit
               |          |          __GI___libc_lseek64
               |          |          
               |           --50.00%-- ReadBuffer_common
               |          
                --19.59%-- scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          varstr_cmp

     0.01%  postgres  [kernel.kallsyms]              [k] set_task_cpu                             
            |
            --- set_task_cpu
                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  libc-2.12.so                   [.] __GI___libc_read                         
            |
            --- __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] account_cfs_rq_runtime                   
            |
            --- account_cfs_rq_runtime
               |          
               |--74.98%-- update_curr
               |          |          
               |          |--66.65%-- enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--50.02%-- 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
               |          |          |          
               |          |           --49.98%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |           --33.35%-- task_tick_fair
               |                     scheduler_tick
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     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
               |          
                --25.02%-- 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                       [.] BufTableLookup                           
            |
            --- BufTableLookup

     0.01%  postgres  [kernel.kallsyms]              [k] fget_light                               
            |
            --- fget_light
               |          
               |--50.01%-- sys_lseek
               |          system_call
               |          __GI___libc_lseek64
               |          
                --49.99%-- sys_read
                          system_call
                          __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] rb_erase                                 
            |
            --- rb_erase
               |          
               |--50.08%-- __remove_hrtimer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- memcpy
               |          |          
               |           --49.99%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --49.92%-- __dequeue_entity
                          set_next_entity
                          pick_next_task_fair
                          schedule
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] hrtick_start_fair                        
            |
            --- hrtick_start_fair
               |          
               |--51.27%-- 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
               |          
                --48.73%-- 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] native_write_msr_safe                    
            |
            --- native_write_msr_safe
               |          
               |--66.62%-- intel_pmu_disable_all
               |          x86_pmu_disable
               |          perf_pmu_disable
               |          perf_adjust_freq_unthr_context
               |          perf_event_task_tick
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --33.38%-- 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
                          |          pfree
                           --0.25%-- [...]

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks                    
            |
            --- rcu_process_callbacks
               |          
               |--66.68%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.02%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.98%-- bcTruelen
               |          
                --33.32%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] kick_process                             
            |
            --- 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                       [.] ReleaseBuffer                            
            |
            --- ReleaseBuffer

     0.01%  postgres  [kernel.kallsyms]              [k] do_softirq                               
            |
            --- do_softirq
               |          
               |--66.66%-- irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- heap_getnext
               |          |          
               |           --50.00%-- memcpy
               |          
                --33.34%-- smp_apic_timer_interrupt
                          apic_timer_interrupt
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.01%  postgres  [kernel.kallsyms]              [k] __alloc_pages_nodemask                   
            |
            --- __alloc_pages_nodemask
                alloc_pages_vma
                handle_pte_fault
                handle_mm_fault
                __do_page_fault
                do_page_fault
                page_fault
               |          
               |--66.66%-- palloc0
               |          
                --33.34%-- AllocSetAlloc

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

     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq              
            |
            --- ftrace_raw_event_id_softirq
               |          
               |--66.63%-- ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.12%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.88%-- slot_deform_tuple
               |          
                --33.37%-- ftrace_raw_event_softirq_entry
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          slot_getsomeattrs

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

     0.00%  postgres  [kernel.kallsyms]              [k] save_args                                
            |
            --- save_args
               |          
               |--50.01%-- advance_aggregates
               |          
                --49.99%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] force_quiescent_state                    
            |
            --- force_quiescent_state
               |          
               |--50.01%-- __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __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
               |          
                --49.99%-- rcu_process_callbacks
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          shm_mq_inc_bytes_read

     0.00%  postgres  [kernel.kallsyms]              [k] native_smp_send_reschedule               
            |
            --- native_smp_send_reschedule
               |          
               |--50.02%-- 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
               |          
                --49.98%-- 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

     0.00%  postgres  [kernel.kallsyms]              [k] profile_tick                             
            |
            --- profile_tick
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- varstr_cmp
               |          
                --49.99%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] tick_sched_timer                         
            |
            --- tick_sched_timer
               |          
               |--50.00%-- __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          shm_mq_receive
               |          
                --50.00%-- hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          check_kill_permission
                          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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] dequeue_entity                           
            |
            --- dequeue_entity
               |          
               |--50.01%-- dequeue_task_fair
               |          dequeue_task
               |          deactivate_task
               |          thread_return
               |          sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
                --49.99%-- dequeue_task
                          deactivate_task
                          thread_return
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

     0.00%  postgres  [kernel.kallsyms]              [k] _cond_resched                            
            |
            --- _cond_resched
               |          
               |--50.01%-- do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --49.99%-- generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

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

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

     0.00%  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

     0.00%  postgres  [kernel.kallsyms]              [k] find_busiest_group                       
            |
            --- find_busiest_group
                thread_return
                sys_semtimedop
                sys_semop
                system_call
                __GI___semop

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] call_softirq                             
            |
            --- call_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.03%-- memcpy
               |          
                --49.97%-- ext4_llseek
                          vfs_llseek
                          sys_lseek
                          system_call
                          __GI___libc_lseek64

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

     0.00%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write                    
            |
            --- native_apic_mem_write
                apic_timer_interrupt
               |          
               |--50.08%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --49.92%-- find_vpid
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] restore_args                             
            |
            --- restore_args
                advance_transition_function

     0.00%  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

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

     0.00%  postgres  [kernel.kallsyms]              [k] update_vsyscall                          
            |
            --- update_vsyscall
                timekeeping_update
                do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                sysret_audit
                __GI___kill

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

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

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

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] update_cpu_load                          
            |
            --- update_cpu_load
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [megaraid_sas]                 [k] complete_cmd_fusion                      
            |
            --- complete_cmd_fusion
                megasas_isr_fusion
                handle_IRQ_event
                handle_edge_irq
                handle_irq
                do_IRQ
                ret_from_intr
                add_abs

     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
                find_vpid
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] read_tsc                                 
            |
            --- read_tsc
                ktime_get_update_offsets
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                hash_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] ip_route_input_slow                      
            |
            --- 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
                ReadBuffer_common

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

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] acct_update_integrals                    
            |
            --- acct_update_integrals
                account_system_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                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] 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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] ret_from_intr                            
            |
            --- ret_from_intr
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

     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
                heap_page_prune_opt

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

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

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

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

     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  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
                element_alloc

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] account_system_time                      
            |
            --- account_system_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                audit_syscall_entry
                auditsys
                __GI___kill

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

     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_disable                         
            |
            --- perf_pmu_disable
                perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                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  postgres                       [.] PGSemaphoreUnlock                        
            |
            --- PGSemaphoreUnlock

     0.00%  postgres  [kernel.kallsyms]              [k] irq_entries_start                        
            |
            --- irq_entries_start
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_migrate_task      
            |
            --- ftrace_raw_event_sched_migrate_task
                set_task_cpu
                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] mark_page_accessed                       
            |
            --- mark_page_accessed
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_net_dev_template     
            |
            --- ftrace_raw_event_id_net_dev_template
                ftrace_raw_event_netif_receive_skb
                __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_search_with_hash_value

     0.00%  postgres  [kernel.kallsyms]              [k] pipe_read                                
            |
            --- pipe_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read
                0x72c4479b242c

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] x86_pmu_enable                           
            |
            --- x86_pmu_enable
                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



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