# ========
# captured on: Tue Sep 22 16:27:38 2015
# hostname : aphost2
# os release : 2.6.32-358.23.2.el6.x86_64
# perf version : 2.6.32-358.23.2.el6.x86_64.debug
# arch : x86_64
# nrcpus online : 16
# nrcpus avail : 16
# cpudesc : Intel(R) Xeon(R) CPU E5-4650 0 @ 2.70GHz
# cpuid : GenuineIntel,6,45,7
# total memory : 264414484 kB
# cmdline : /usr/bin/perf record -g -p 774 
# event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, excl_host = 0, excl_guest = 1, precise_ip = 0, id = { 32 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 86K of event 'cycles'
# Event count (approx.): 62443105443
#
# Overhead   Command                  Shared Object                                         Symbol
# ........  ........  .............................  .............................................
#
     3.71%  postgres  [kernel.kallsyms]              [k] resched_task                             
            |
            --- resched_task
               |          
               |--97.23%-- 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
               |          
                --2.77%-- 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

     3.37%  postgres  libc-2.12.so                   [.] memcpy                                   
            |
            --- memcpy
               |          
               |--92.10%-- networkjoinsel
                --7.90%-- [...]

     3.31%  postgres  postgres                       [.] slot_deform_tuple                        
            |
            --- slot_deform_tuple

     3.16%  postgres  [kernel.kallsyms]              [k] _spin_lock                               
            |
            --- _spin_lock
               |          
               |--54.63%-- task_rq_lock
               |          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
               |          
               |--43.36%-- 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
               |          
               |--0.91%-- 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
                --1.10%-- [...]

     2.93%  postgres  postgres                       [.] hash_search_with_hash_value              
            |
            --- hash_search_with_hash_value
               |          
               |--3.03%-- 0xd7601000000000
                --96.97%-- [...]

     2.87%  postgres  [kernel.kallsyms]              [k] task_curr                                
            |
            --- task_curr
               |          
               |--99.36%-- 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%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     2.75%  postgres  [kernel.kallsyms]              [k] enqueue_entity                           
            |
            --- enqueue_entity
               |          
               |--99.62%-- 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
                --0.38%-- [...]

     2.64%  postgres  [kernel.kallsyms]              [k] try_to_wake_up                           
            |
            --- try_to_wake_up
               |          
               |--99.56%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.44%-- [...]

     2.18%  postgres  postgres                       [.] do_numeric_accum                         
            |
            --- do_numeric_accum
               |          
               |--93.91%-- 0x0
                --6.09%-- [...]

     1.99%  postgres  [kernel.kallsyms]              [k] __send_signal                            
            |
            --- __send_signal
               |          
               |--99.36%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.64%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.92%  postgres  postgres                       [.] shm_mq_inc_bytes_read                    
            |
            --- shm_mq_inc_bytes_read

     1.73%  postgres  postgres                       [.] bpchareq                                 
            |
            --- bpchareq

     1.63%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event                    
            |
            --- rb_reserve_next_event
               |          
               |--96.17%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--37.56%-- 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
               |          |          
               |          |--34.03%-- 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
               |          |          
               |          |--26.79%-- 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
               |          |          
               |          |--0.81%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--45.46%-- ftrace_raw_event_softirq_exit
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--60.01%-- do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--20.00%-- ExecProject
               |          |          |          |          
               |          |          |           --19.99%-- int64_to_numericvar
               |          |          |          
               |          |          |--36.36%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          |          
               |          |          |          |--75.00%-- run_local_timers
               |          |          |          |          update_process_times
               |          |          |          |          tick_sched_timer
               |          |          |          |          __run_hrtimer
               |          |          |          |          hrtimer_interrupt
               |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          
               |          |          |          |          |--66.67%-- do_send_sig_info
               |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          kill_pid_info
               |          |          |          |          |          sys_kill
               |          |          |          |          |          system_call
               |          |          |          |          |          __GI___kill
               |          |          |          |          |          
               |          |          |          |           --33.33%-- TupleHashTableMatch
               |          |          |          |          
               |          |          |           --25.00%-- 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
               |          |          |          
               |          |           --18.17%-- ftrace_raw_event_softirq_entry
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     |          
               |          |                     |--50.01%-- do_send_sig_info
               |          |                     |          group_send_sig_info
               |          |                     |          kill_pid_info
               |          |                     |          sys_kill
               |          |                     |          system_call
               |          |                     |          __GI___kill
               |          |                     |          
               |          |                      --49.99%-- memcpy
               |          |          
               |          |--0.74%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--79.99%-- 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
               |          |          |          
               |          |           --20.01%-- task_tick_fair
               |          |                     scheduler_tick
               |          |                     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%-- ExecMakeFunctionResultNoSets
               |           --0.07%-- [...]
               |          
                --3.83%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--42.59%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--31.48%-- 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
                          |          
                          |--24.08%-- 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
                          |          
                           --1.85%-- 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
                                     hashbpchar

     1.59%  postgres  postgres                       [.] bcTruelen                                
            |
            --- bcTruelen

     1.55%  postgres  [kernel.kallsyms]              [k] select_task_rq_fair                      
            |
            --- select_task_rq_fair
               |          
               |--98.96%-- 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
               |          
                --1.04%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.50%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                       
            |
            --- _spin_lock_irqsave
               |          
               |--98.53%-- lock_task_sighand
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--0.54%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.93%-- [...]

     1.47%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve                 
            |
            --- ring_buffer_lock_reserve
               |          
               |--94.20%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.00%-- 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
               |          |          
               |          |--34.17%-- 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
               |          |          
               |          |--29.50%-- 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
               |          |          
               |          |--0.67%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--50.00%-- ftrace_raw_event_softirq_exit
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.01%-- do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--25.00%-- FunctionCall2Coll
               |          |          |          |          
               |          |          |           --24.99%-- ExecProcNode
               |          |          |          
               |          |          |--25.00%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          rcu_check_callbacks
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.02%-- memcpy
               |          |          |          |          
               |          |          |           --49.98%-- do_send_sig_info
               |          |          |                     group_send_sig_info
               |          |          |                     kill_pid_info
               |          |          |                     sys_kill
               |          |          |                     system_call
               |          |          |                     __GI___kill
               |          |          |          
               |          |           --24.99%-- ftrace_raw_event_softirq_entry
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     |          
               |          |                     |--50.00%-- do_send_sig_info
               |          |                     |          group_send_sig_info
               |          |                     |          kill_pid_info
               |          |                     |          sys_kill
               |          |                     |          system_call
               |          |                     |          __GI___kill
               |          |                     |          
               |          |                      --50.00%-- shm_mq_inc_bytes_read
               |          |          
               |          |--0.50%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--66.67%-- 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%-- task_tick_fair
               |          |                     scheduler_tick
               |          |                     update_process_times
               |          |                     tick_sched_timer
               |          |                     __run_hrtimer
               |          |                     hrtimer_interrupt
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     |          
               |          |                     |--50.01%-- bcTruelen
               |          |                     |          
               |          |                      --49.99%-- do_send_sig_info
               |          |                                group_send_sig_info
               |          |                                kill_pid_info
               |          |                                sys_kill
               |          |                                system_call
               |          |                                __GI___kill
               |           --0.17%-- [...]
               |          
                --5.80%-- trace_current_buffer_lock_reserve
                          |          
                          |--78.36%-- 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
                          |          
                          |--10.82%-- 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
                          |          
                          |--9.47%-- 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
                          |          
                           --1.35%-- 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
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     1.46%  postgres  postgres                       [.] add_abs                                  
            |
            --- add_abs

     1.39%  postgres  [kernel.kallsyms]              [k] complete_signal                          
            |
            --- complete_signal
               |          
               |--99.08%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.92%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     1.38%  postgres  postgres                       [.] AllocSetAlloc                            
            |
            --- AllocSetAlloc
               |          
               |--18.86%-- networkjoinsel
                --81.14%-- [...]

     1.37%  postgres  postgres                       [.] ExecProject                              
            |
            --- ExecProject

     1.33%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC                   
            |
            --- HeapTupleSatisfiesMVCC

     1.26%  postgres  [kernel.kallsyms]              [k] kmem_cache_alloc                         
            |
            --- kmem_cache_alloc
               |          
               |--99.09%-- __sigqueue_alloc
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.91%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.24%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                                
            |
            --- vread_tsc
               |          
               |--70.85%-- 0x7fff2dfff814
               |          0x7fff2dfff8bc
               |          __gettimeofday
               |          
                --29.15%-- 0x7fff2dfff8bc
                          __gettimeofday

     1.17%  postgres  [kernel.kallsyms]              [k] lock_task_sighand                        
            |
            --- lock_task_sighand
               |          
               |--91.00%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.00%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     1.14%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                        
            |
            --- __rb_reserve_next
               |          
               |--95.25%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--37.47%-- 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
               |          |          
               |          |--32.38%-- 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
               |          |          
               |          |--29.19%-- 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
               |          |          
               |          |--0.53%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--80.00%-- enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --20.00%-- task_tick_fair
               |          |                     scheduler_tick
               |          |                     update_process_times
               |          |                     tick_sched_timer
               |          |                     __run_hrtimer
               |          |                     hrtimer_interrupt
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     do_send_sig_info
               |          |                     group_send_sig_info
               |          |                     kill_pid_info
               |          |                     sys_kill
               |          |                     system_call
               |          |                     __GI___kill
               |           --0.42%-- [...]
               |          
                --4.75%-- ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--38.30%-- 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
                          |          
                          |--31.92%-- 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
                          |          
                           --29.79%-- 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

     1.14%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update             
            |
            --- tracing_generic_entry_update
               |          
               |--73.81%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--33.98%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--32.74%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--32.05%-- 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
               |          |          
               |          |--0.83%-- 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
               |          |          |          |          
               |          |          |          |--33.34%-- do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--33.33%-- int64_to_numericvar
               |          |          |          |          
               |          |          |           --33.33%-- hash_search_with_hash_value
               |          |          |          
               |          |          |--33.33%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          run_local_timers
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.01%-- MemoryContextResetOnly
               |          |          |          |          
               |          |          |           --49.99%-- do_send_sig_info
               |          |          |                     group_send_sig_info
               |          |          |                     kill_pid_info
               |          |          |                     sys_kill
               |          |          |                     system_call
               |          |          |                     __GI___kill
               |          |          |          
               |          |           --16.66%-- 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
               |           --0.41%-- [...]
               |          
                --26.19%-- trace_current_buffer_lock_reserve
                          |          
                          |--43.80%-- 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
                          |          
                          |--29.07%-- 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
                          |          
                          |--26.35%-- 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
                           --0.78%-- [...]

     1.06%  postgres  [kernel.kallsyms]              [k] enqueue_task                             
            |
            --- enqueue_task
               |          
               |--98.91%-- activate_task
               |          try_to_wake_up
               |          |          
               |          |--99.89%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.11%-- [...]
               |          
                --1.09%-- 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

     1.02%  postgres  postgres                       [.] make_result                              
            |
            --- make_result

     0.92%  postgres  postgres                       [.] hash_any                                 
            |
            --- hash_any

     0.90%  postgres  postgres                       [.] advance_transition_function              
            |
            --- advance_transition_function

     0.87%  postgres  [kernel.kallsyms]              [k] signal_wake_up                           
            |
            --- signal_wake_up
               |          
               |--96.56%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.44%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.87%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit                
            |
            --- ring_buffer_unlock_commit
               |          
               |--83.60%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--36.68%-- 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
               |          |          
               |          |--35.10%-- 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
               |          |          
               |          |--26.79%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--0.96%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--66.67%-- 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%-- 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
               |           --0.48%-- [...]
               |          
               |--7.20%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.40%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--2.67%-- 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
                --0.13%-- [...]

     0.86%  postgres  [kernel.kallsyms]              [k] task_waking_fair                         
            |
            --- task_waking_fair
               |          
               |--98.53%-- 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
               |          
                --1.47%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.86%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock                   
            |
            --- trace_recursive_unlock
               |          
               |--70.91%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--38.00%-- 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
               |          |          
               |          |--36.29%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.14%-- 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
               |           --0.57%-- [...]
               |          
                --29.09%-- ring_buffer_unlock_commit
                          trace_nowake_buffer_unlock_commit
                          |          
                          |--43.78%-- 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
                          |          
                          |--29.03%-- 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
                          |          
                          |--26.73%-- 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
                           --0.46%-- [...]

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

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

     0.78%  postgres  [kernel.kallsyms]              [k] update_curr                              
            |
            --- update_curr
               |          
               |--95.86%-- 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
               |          
               |--2.95%-- 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
               |          
                --1.18%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--25.01%-- bcTruelen
                          |          
                          |--12.50%-- 0x7fff2dfff8a7
                          |          
                          |--12.50%-- hash_search_with_hash_value
                          |          
                          |--12.50%-- do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--12.50%-- __GI___kill
                          |          
                          |--12.50%-- HeapTupleSatisfiesMVCC
                          |          
                           --12.50%-- bpchareq

     0.77%  postgres  [kernel.kallsyms]              [k] __sigqueue_alloc                         
            |
            --- __sigqueue_alloc
               |          
               |--98.06%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.94%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.77%  postgres  postgres                       [.] ExecStoreMinimalTuple                    
            |
            --- ExecStoreMinimalTuple

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

     0.75%  postgres  [kernel.kallsyms]              [k] trace_clock_local                        
            |
            --- trace_clock_local
               |          
               |--83.07%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.01%-- 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
               |          |          
               |          |--31.84%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--31.49%-- 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
               |          |          
               |          |--0.93%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--60.00%-- ftrace_raw_event_softirq_exit
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--66.67%-- do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |           --33.33%-- shm_mq_receive_bytes
               |          |          |          
               |          |          |--20.00%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          rcu_check_callbacks
               |          |          |          update_process_times
               |          |          |          tick_sched_timer
               |          |          |          __run_hrtimer
               |          |          |          hrtimer_interrupt
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --20.00%-- ftrace_raw_event_softirq_entry
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     shm_mq_receive
               |          |          
               |           --0.74%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     |          
               |                     |--50.01%-- enqueue_entity
               |                     |          enqueue_task_fair
               |                     |          enqueue_task
               |                     |          activate_task
               |                     |          try_to_wake_up
               |                     |          wake_up_state
               |                     |          signal_wake_up
               |                     |          complete_signal
               |                     |          __send_signal
               |                     |          send_signal
               |                     |          do_send_sig_info
               |                     |          group_send_sig_info
               |                     |          kill_pid_info
               |                     |          sys_kill
               |                     |          system_call
               |                     |          __GI___kill
               |                     |          
               |                      --49.99%-- task_tick_fair
               |                                scheduler_tick
               |                                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%-- sys_kill
               |                                           system_call
               |                                           __GI___kill
               |          
               |--16.16%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--46.67%-- 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
               |          |          
               |          |--26.66%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.72%-- 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
               |          |          
               |           --0.95%-- 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
               |                     ExecAgg
               |          
                --0.77%-- __rb_reserve_next
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--79.99%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --20.01%-- 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

     0.75%  postgres  [vdso]                         [.] 0x00007fff2dfff8d4                       
            |          
            |--11.86%-- 0x7fff2dfff81f
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--11.10%-- 0x7fff2dfff8d4
            |          __gettimeofday
            |          
            |--6.17%-- 0x7fff2dfff82a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--4.62%-- 0x7fff2dfff830
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--4.32%-- 0x7fff2dfff7d1
            |          __gettimeofday
            |          
            |--3.68%-- 0x7fff2dfff826
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--3.55%-- 0x7fff2dfff806
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--3.23%-- 0x7fff2dfff814
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.93%-- 0x7fff2dfff8df
            |          __gettimeofday
            |          
            |--2.93%-- 0x7fff2dfff8d8
            |          __gettimeofday
            |          
            |--2.62%-- 0x7fff2dfff80a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.47%-- 0x7fff2dfff83d
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.31%-- 0x7fff2dfff8c0
            |          __gettimeofday
            |          
            |--2.31%-- 0x7fff2dfff7d6
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.31%-- 0x7fff2dfff7ee
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--2.16%-- 0x7fff2dfff890
            |          
            |--2.16%-- 0x7fff2dfff8cd
            |          __gettimeofday
            |          
            |--2.00%-- 0x7fff2dfff8a4
            |          __gettimeofday
            |          
            |--2.00%-- 0x7fff2dfff89d
            |          __gettimeofday
            |          
            |--2.00%-- 0x7fff2dfff8db
            |          __gettimeofday
            |          
            |--2.00%-- 0x7fff2dfff8e9
            |          __gettimeofday
            |          
            |--1.85%-- 0x7fff2dfff7fc
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.85%-- 0x7fff2dfff86a
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.70%-- 0x7fff2dfff89b
            |          __gettimeofday
            |          
            |--1.68%-- 0x7fff2dfff803
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.54%-- 0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.23%-- 0x7fff2dfff8b2
            |          __gettimeofday
            |          
            |--1.23%-- 0x7fff2dfff7d0
            |          __gettimeofday
            |          
            |--1.23%-- 0x7fff2dfff7d7
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.23%-- 0x7fff2dfff872
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--1.08%-- 0x7fff2dfff898
            |          
            |--0.93%-- 0x7fff2dfff7e4
            |          0x7fff2dfff8bc
            |          __gettimeofday
            |          
            |--0.92%-- 0x7fff2dfff891
            |          
            |--0.92%-- 0x7fff2dfff8b7
            |          __gettimeofday
            |          
            |--0.77%-- 0x7fff2dfff8a7
            |          __gettimeofday
             --3.08%-- [...]

     0.74%  postgres  [kernel.kallsyms]              [k] native_read_tsc                          
            |
            --- native_read_tsc
               |          
               |--93.29%-- native_sched_clock
               |          sched_clock
               |          |          
               |          |--91.30%-- trace_clock_local
               |          |          |          
               |          |          |--99.08%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--36.60%-- 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
               |          |          |          |          
               |          |          |          |--30.86%-- 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
               |          |          |          |          
               |          |          |          |--29.94%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          |          ftrace_raw_event_sched_stat_sleep
               |          |          |          |          enqueue_entity
               |          |          |          |          enqueue_task_fair
               |          |          |          |          enqueue_task
               |          |          |          |          activate_task
               |          |          |          |          try_to_wake_up
               |          |          |          |          wake_up_state
               |          |          |          |          signal_wake_up
               |          |          |          |          complete_signal
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--1.66%-- ftrace_raw_event_id_softirq
               |          |          |          |          |          
               |          |          |          |          |--44.45%-- ftrace_raw_event_softirq_exit
               |          |          |          |          |          __do_softirq
               |          |          |          |          |          call_softirq
               |          |          |          |          |          do_softirq
               |          |          |          |          |          irq_exit
               |          |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          |          
               |          |          |          |          |          |--75.01%-- do_send_sig_info
               |          |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          |          kill_pid_info
               |          |          |          |          |          |          sys_kill
               |          |          |          |          |          |          system_call
               |          |          |          |          |          |          __GI___kill
               |          |          |          |          |          |          
               |          |          |          |          |           --24.99%-- ExecProcNode
               |          |          |          |          |          
               |          |          |          |          |--33.33%-- ftrace_raw_event_softirq_entry
               |          |          |          |          |          __do_softirq
               |          |          |          |          |          call_softirq
               |          |          |          |          |          do_softirq
               |          |          |          |          |          irq_exit
               |          |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          |          
               |          |          |          |          |          |--66.68%-- do_send_sig_info
               |          |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          |          kill_pid_info
               |          |          |          |          |          |          sys_kill
               |          |          |          |          |          |          system_call
               |          |          |          |          |          |          __GI___kill
               |          |          |          |          |          |          
               |          |          |          |          |           --33.32%-- palloc
               |          |          |          |          |          
               |          |          |          |           --22.22%-- 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
               |          |          |          |                     |          
               |          |          |          |                     |--50.00%-- shm_mq_receive
               |          |          |          |                     |          
               |          |          |          |                      --50.00%-- do_send_sig_info
               |          |          |          |                                group_send_sig_info
               |          |          |          |                                kill_pid_info
               |          |          |          |                                sys_kill
               |          |          |          |                                system_call
               |          |          |          |                                __GI___kill
               |          |          |          |          
               |          |          |           --0.92%-- ftrace_raw_event_sched_stat_runtime
               |          |          |                     update_curr
               |          |          |                     |          
               |          |          |                     |--60.00%-- task_tick_fair
               |          |          |                     |          scheduler_tick
               |          |          |                     |          update_process_times
               |          |          |                     |          tick_sched_timer
               |          |          |                     |          __run_hrtimer
               |          |          |                     |          hrtimer_interrupt
               |          |          |                     |          smp_apic_timer_interrupt
               |          |          |                     |          apic_timer_interrupt
               |          |          |                     |          |          
               |          |          |                     |          |--33.34%-- slot_deform_tuple
               |          |          |                     |          |          
               |          |          |                     |          |--33.33%-- ExecClearTuple
               |          |          |                     |          |          
               |          |          |                     |           --33.33%-- ExecStoreMinimalTuple
               |          |          |                     |          
               |          |          |                      --40.00%-- 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
               |          |          |          
               |          |           --0.92%-- __rb_reserve_next
               |          |                     rb_reserve_next_event
               |          |                     ring_buffer_lock_reserve
               |          |                     trace_buffer_lock_reserve
               |          |                     trace_current_buffer_lock_reserve
               |          |                     |          
               |          |                     |--59.99%-- ftrace_raw_event_id_sched_stat_template
               |          |                     |          ftrace_raw_event_sched_stat_sleep
               |          |                     |          enqueue_entity
               |          |                     |          enqueue_task_fair
               |          |                     |          enqueue_task
               |          |                     |          activate_task
               |          |                     |          try_to_wake_up
               |          |                     |          wake_up_state
               |          |                     |          signal_wake_up
               |          |                     |          complete_signal
               |          |                     |          __send_signal
               |          |                     |          send_signal
               |          |                     |          do_send_sig_info
               |          |                     |          group_send_sig_info
               |          |                     |          kill_pid_info
               |          |                     |          sys_kill
               |          |                     |          system_call
               |          |                     |          __GI___kill
               |          |                     |          
               |          |                     |--20.01%-- ftrace_raw_event_id_sched_wakeup_template
               |          |                     |          ftrace_raw_event_sched_wakeup
               |          |                     |          try_to_wake_up
               |          |                     |          wake_up_state
               |          |                     |          signal_wake_up
               |          |                     |          complete_signal
               |          |                     |          __send_signal
               |          |                     |          send_signal
               |          |                     |          do_send_sig_info
               |          |                     |          group_send_sig_info
               |          |                     |          kill_pid_info
               |          |                     |          sys_kill
               |          |                     |          system_call
               |          |                     |          __GI___kill
               |          |                     |          
               |          |                      --20.00%-- ftrace_raw_event_signal_generate
               |          |                                __send_signal
               |          |                                send_signal
               |          |                                do_send_sig_info
               |          |                                group_send_sig_info
               |          |                                kill_pid_info
               |          |                                sys_kill
               |          |                                system_call
               |          |                                __GI___kill
               |          |          
               |           --8.70%-- sched_clock_cpu
               |                     update_rq_clock
               |                     |          
               |                     |--98.08%-- 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
               |                     |          
               |                      --1.92%-- 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
               |          
               |--6.40%-- sched_clock
               |          |          
               |          |--87.81%-- trace_clock_local
               |          |          rb_reserve_next_event
               |          |          ring_buffer_lock_reserve
               |          |          trace_buffer_lock_reserve
               |          |          trace_current_buffer_lock_reserve
               |          |          |          
               |          |          |--38.89%-- 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
               |          |          |          
               |          |          |--30.55%-- ftrace_raw_event_id_sched_stat_template
               |          |          |          ftrace_raw_event_sched_stat_sleep
               |          |          |          enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--27.78%-- 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
               |          |          |          
               |          |           --2.78%-- 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
               |          |          
               |           --12.19%-- 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
                --0.31%-- [...]

     0.72%  postgres  postgres                       [.] shm_mq_receive                           
            |
            --- shm_mq_receive

     0.71%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit                     
            |
            --- __audit_syscall_exit
               |          
               |--81.67%-- sysret_audit
               |          __GI___kill
               |          
                --18.33%-- __GI___kill

     0.70%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore                  
            |
            --- _spin_unlock_irqrestore
               |          
               |--49.34%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--24.75%-- 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
               |          
               |--15.08%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --10.83%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.69%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack                   
            |
            --- ftrace_trace_userstack
               |          
               |--83.05%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--49.71%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--28.88%-- 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
               |          |          
               |          |--21.21%-- 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%-- [...]
               |          
               |--13.09%-- 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
               |          
               |--2.69%-- 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
               |          
                --1.17%-- 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

     0.66%  postgres  [kernel.kallsyms]              [k] __task_pid_nr_ns                         
            |
            --- __task_pid_nr_ns
               |          
               |--97.71%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.29%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.65%  postgres  [kernel.kallsyms]              [k] check_kill_permission                    
            |
            --- check_kill_permission
               |          
               |--98.76%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.24%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.63%  postgres  [kernel.kallsyms]              [k] system_call                              
            |
            --- system_call
               |          
               |--99.27%-- __GI___kill
                --0.73%-- [...]

     0.62%  postgres  postgres                       [.] shm_mq_receive_bytes                     
            |
            --- shm_mq_receive_bytes

     0.61%  postgres  [kernel.kallsyms]              [k] native_sched_clock                       
            |
            --- native_sched_clock
               |          
               |--88.59%-- sched_clock
               |          |          
               |          |--90.34%-- trace_clock_local
               |          |          |          
               |          |          |--98.34%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--37.21%-- 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
               |          |          |          |          
               |          |          |          |--33.32%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          |          |          ftrace_raw_event_sched_wakeup
               |          |          |          |          try_to_wake_up
               |          |          |          |          wake_up_state
               |          |          |          |          signal_wake_up
               |          |          |          |          complete_signal
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--28.75%-- 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
               |          |          |           --0.72%-- [...]
               |          |          |          
               |          |           --1.66%-- __rb_reserve_next
               |          |                     rb_reserve_next_event
               |          |                     ring_buffer_lock_reserve
               |          |                     trace_buffer_lock_reserve
               |          |                     trace_current_buffer_lock_reserve
               |          |                     |          
               |          |                     |--42.86%-- 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
               |          |                     |          
               |          |                     |--28.58%-- 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
               |          |                     |          
               |          |                      --28.56%-- ftrace_raw_event_signal_generate
               |          |                                __send_signal
               |          |                                send_signal
               |          |                                do_send_sig_info
               |          |                                group_send_sig_info
               |          |                                kill_pid_info
               |          |                                sys_kill
               |          |                                system_call
               |          |                                __GI___kill
               |          |          
               |           --9.66%-- 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
               |          
               |--8.56%-- trace_clock_local
               |          rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--33.33%-- 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
               |          |          
               |          |--31.11%-- 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
               |          |          
               |           --2.22%-- 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
               |          
                --2.85%-- 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

     0.59%  postgres  [kernel.kallsyms]              [k] rb_end_commit                            
            |
            --- rb_end_commit
               |          
               |--90.27%-- ring_buffer_unlock_commit
               |          trace_nowake_buffer_unlock_commit
               |          |          
               |          |--35.09%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--34.50%-- 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
               |          |          
               |          |--28.90%-- 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
               |          |          
               |          |--0.65%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--66.66%-- 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
               |          |          |          
               |          |           --33.34%-- 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
               |          |          
               |          |--0.65%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.66%-- 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
               |          |          |          
               |          |           --33.34%-- ftrace_raw_event_softirq_exit
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     add_var
               |           --0.22%-- [...]
               |          
                --9.73%-- trace_nowake_buffer_unlock_commit
                          |          
                          |--36.00%-- 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
                          |          
                          |--34.00%-- 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
                          |          
                          |--26.00%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--2.00%-- ftrace_raw_event_irq_handler_entry
                          |          handle_IRQ_event
                          |          handle_edge_irq
                          |          handle_irq
                          |          do_IRQ
                          |          ret_from_intr
                          |          advance_aggregates
                          |          
                           --2.00%-- 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
                                     heap_getnext

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

     0.53%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve                
            |
            --- trace_buffer_lock_reserve
               |          
               |--89.32%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--76.34%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--12.19%-- 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
               |          |          
               |          |--11.22%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.24%-- [...]
               |          
               |--3.92%-- 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
               |          
               |--3.27%-- 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
               |          
               |--3.27%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.22%-- [...]

     0.51%  postgres  [kernel.kallsyms]              [k] sys_kill                                 
            |
            --- sys_kill
               |          
               |--87.30%-- system_call
               |          __GI___kill
               |          
                --12.70%-- __GI___kill

     0.51%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                      
            |
            --- audit_syscall_entry
               |          
               |--94.56%-- auditsys
               |          __GI___kill
               |          
                --5.44%-- __GI___kill

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

     0.47%  postgres  postgres                       [.] init_var_from_num                        
            |
            --- init_var_from_num
               |          
               |--59.51%-- slot_getsomeattrs
               |          
                --40.49%-- 0x0

     0.46%  postgres  postgres                       [.] int64_to_numericvar                      
            |
            --- int64_to_numericvar

     0.44%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_stat_template  
            |
            --- ftrace_raw_event_id_sched_stat_template
               |          
               |--96.02%-- 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
               |          
                --3.98%-- 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

     0.44%  postgres  [kernel.kallsyms]              [k] pid_vnr                                  
            |
            --- pid_vnr
               |          
               |--96.55%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.45%-- system_call
                          __GI___kill

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

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

     0.39%  postgres  postgres                       [.] palloc                                   
            |
            --- palloc
               |          
               |--17.16%-- networkjoinsel
                --82.84%-- [...]

     0.39%  postgres  postgres                       [.] int4_sum                                 
            |
            --- int4_sum

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

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

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

     0.36%  postgres  postgres                       [.] LookupTupleHashEntry                     
            |
            --- LookupTupleHashEntry
               |          
               |--63.38%-- 0xd7601000000000
                --36.62%-- [...]

     0.36%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_signal_generate         
            |
            --- ftrace_raw_event_signal_generate
               |          
               |--88.18%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --11.82%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.36%  postgres  postgres                       [.] TupleHashTableHash                       
            |
            --- TupleHashTableHash
               |          
               |--14.52%-- 0xd79af0
                --85.48%-- [...]

     0.34%  postgres  [kernel.kallsyms]              [k] check_preempt_curr                       
            |
            --- check_preempt_curr
               |          
               |--96.31%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.69%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.34%  postgres  postgres                       [.] int8_avg_accum                           
            |
            --- int8_avg_accum

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

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

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

     0.32%  postgres  [kernel.kallsyms]              [k] sysret_check                             
            |
            --- sysret_check
                __GI___kill

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

     0.31%  postgres  [kernel.kallsyms]              [k] update_rq_clock                          
            |
            --- update_rq_clock
               |          
               |--97.42%-- 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
               |          
                --2.58%-- 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

     0.31%  postgres  [kernel.kallsyms]              [k] do_send_sig_info                         
            |
            --- do_send_sig_info
               |          
               |--96.67%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.33%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.29%  postgres  [kernel.kallsyms]              [k] select_idle_sibling                      
            |
            --- select_idle_sibling
               |          
               |--74.29%-- 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
               |          
                --25.71%-- 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%  postgres  postgres                       [.] fetch_input_tuple                        
            |
            --- fetch_input_tuple

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

     0.27%  postgres  libc-2.12.so                   [.] __gettimeofday                           
            |
            --- __gettimeofday

     0.27%  postgres  [kernel.kallsyms]              [k] task_rq_lock                             
            |
            --- task_rq_lock
               |          
               |--95.30%-- try_to_wake_up
               |          |          
               |          |--99.55%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.45%-- [...]
               |          
                --4.70%-- wake_up_state
                          signal_wake_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] trace_current_buffer_lock_reserve        
            |
            --- trace_current_buffer_lock_reserve
               |          
               |--68.42%-- 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
               |          
               |--12.28%-- 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
               |          
               |--7.02%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.58%-- 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
               |          
               |--4.39%-- 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
                --1.32%-- [...]

     0.26%  postgres  libc-2.12.so                   [.] __GI___kill                              
            |
            --- __GI___kill

     0.25%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data                   
            |
            --- ring_buffer_event_data
               |          
               |--34.24%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--36.02%-- 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
               |          |          
               |          |--36.02%-- 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
               |          |          
               |           --27.97%-- 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
               |          
               |--16.44%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--36.11%-- 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
               |          |          
               |          |--33.34%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --30.55%-- ftrace_raw_event_signal_generate
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
               |--10.96%-- 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
               |          
               |--10.96%-- 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
               |          
               |--8.68%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--7.31%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.94%-- 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
               |          
                --5.47%-- 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

     0.25%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit        
            |
            --- trace_nowake_buffer_unlock_commit
               |          
               |--59.43%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--19.36%-- ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.14%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--3.69%-- __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_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
               |          |          
               |          |--50.01%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.99%-- hash_search_with_hash_value
                --0.46%-- [...]

     0.25%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_wakeup_template
            |
            --- ftrace_raw_event_id_sched_wakeup_template
               |          
               |--94.84%-- 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
               |          
                --5.16%-- 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] send_signal                              
            |
            --- send_signal
               |          
               |--90.57%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.43%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.24%  postgres  [kernel.kallsyms]              [k] kill_pid_info                            
            |
            --- kill_pid_info
               |          
               |--87.98%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --12.02%-- system_call
                          __GI___kill

     0.24%  postgres  [kernel.kallsyms]              [k] group_send_sig_info                      
            |
            --- group_send_sig_info
               |          
               |--86.83%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --13.17%-- sys_kill
                          system_call
                          __GI___kill

     0.23%  postgres  postgres                       [.] FunctionCall2Coll                        
            |
            --- FunctionCall2Coll

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

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

     0.20%  postgres  [kernel.kallsyms]              [k] find_pid_ns                              
            |
            --- find_pid_ns
               |          
               |--92.61%-- find_vpid
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --7.39%-- sys_kill
                          system_call
                          __GI___kill

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

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

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

     0.19%  postgres  [kernel.kallsyms]              [k] rb_insert_color                          
            |
            --- rb_insert_color
               |          
               |--85.37%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--13.41%-- 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
               |          
                --1.22%-- enqueue_hrtimer
                          __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

     0.19%  postgres  [kernel.kallsyms]              [k] effective_load                           
            |
            --- effective_load
               |          
               |--59.74%-- 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
               |          
                --40.26%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.19%  postgres  postgres                       [.] FunctionCall1Coll                        
            |
            --- FunctionCall1Coll

     0.18%  postgres  [kernel.kallsyms]              [k] account_entity_enqueue                   
            |
            --- account_entity_enqueue
               |          
               |--95.00%-- 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%-- 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

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

     0.18%  postgres  postgres                       [.] DirectFunctionCall1Coll                  
            |
            --- DirectFunctionCall1Coll

     0.18%  postgres  [kernel.kallsyms]              [k] enqueue_task_fair                        
            |
            --- enqueue_task_fair
               |          
               |--89.10%-- 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
               |          
                --10.90%-- activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.17%  postgres  [kernel.kallsyms]              [k] __list_add                               
            |
            --- __list_add
               |          
               |--56.38%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--32.88%-- 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
               |          
               |--8.05%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.68%-- 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

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

     0.17%  postgres  postgres                       [.] int8_numeric                             
            |
            --- int8_numeric

     0.17%  postgres  postgres                       [.] add_var                                  
            |
            --- add_var
               |          
               |--45.81%-- 0x0
                --54.19%-- [...]

     0.16%  postgres  [kernel.kallsyms]              [k] prepare_signal                           
            |
            --- prepare_signal
               |          
               |--93.66%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --6.34%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.15%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                        
            |
            --- update_cfs_shares
               |          
               |--89.85%-- 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
               |          
               |--7.81%-- 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
               |          
               |--1.56%-- task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- bpchareq
               |          |          
               |           --50.00%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --0.78%-- 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

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

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

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

     0.14%  postgres  [kernel.kallsyms]              [k] kfree                                    
            |
            --- kfree
               |          
               |--53.39%-- __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --46.61%-- sysret_audit
                          __GI___kill

     0.13%  postgres  postgres                       [.] heap_copytuple                           
            |
            --- heap_copytuple
               |          
               |--67.86%-- networkjoinsel
                --32.14%-- [...]

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

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

     0.12%  postgres  [kernel.kallsyms]              [k] update_cfs_load                          
            |
            --- update_cfs_load
               |          
               |--95.15%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --4.85%-- 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

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

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

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

     0.10%  postgres  postgres                       [.] hash_search                              
            |
            --- hash_search
               |          
               |--55.29%-- 0xd79af0
               |          
                --44.71%-- 0xd7601000000000

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

     0.09%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard             
            |
            --- filter_current_check_discard
               |          
               |--23.74%-- 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
               |          
               |--21.25%-- ftrace_raw_event_id_sched_wakeup_template
               |          ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--18.75%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--13.75%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--11.25%-- 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
               |          
               |--6.25%-- 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
               |          
               |--1.25%-- ftrace_raw_event_id_softirq
               |          ftrace_raw_event_softirq_raise
               |          raise_softirq
               |          run_local_timers
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          fetch_input_tuple
               |          
               |--1.25%-- update_curr
               |          task_tick_fair
               |          scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          __gettimeofday
               |          
               |--1.25%-- 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
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.25%-- 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

     0.09%  postgres  [kernel.kallsyms]              [k] current_kernel_time                      
            |
            --- current_kernel_time
               |          
               |--56.58%-- audit_syscall_entry
               |          auditsys
               |          __GI___kill
               |          
                --43.42%-- auditsys
                          __GI___kill

     0.08%  postgres  [kernel.kallsyms]              [k] path_put                                 
            |
            --- path_put
               |          
               |--51.40%-- sysret_audit
               |          __GI___kill
               |          
                --48.60%-- __audit_syscall_exit
                          sysret_audit
                          __GI___kill

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

     0.08%  postgres  [kernel.kallsyms]              [k] ret_from_sys_call                        
            |
            --- ret_from_sys_call
                __GI___kill

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

     0.07%  postgres  [kernel.kallsyms]              [k] sched_clock                              
            |
            --- sched_clock
               |          
               |--69.36%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--44.19%-- 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
               |          |          
               |          |--32.56%-- 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
               |          |          
               |           --23.25%-- 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
               |          
               |--27.42%-- 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
               |          
                --3.22%-- __rb_reserve_next
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.07%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                         
            |
            --- unroll_tree_refs
               |          
               |--80.64%-- __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --19.36%-- sysret_audit
                          __GI___kill

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

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

     0.07%  postgres  [kernel.kallsyms]              [k] wake_up_state                            
            |
            --- wake_up_state
               |          
               |--72.88%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --27.12%-- signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.07%  postgres  postgres                       [.] pgstat_end_function_usage                
            |
            --- pgstat_end_function_usage
               |          
               |--1.70%-- 0x63e4800497ac1
               |          
               |--1.70%-- 0x1d38ce00497ac1
               |          
               |--1.70%-- 0x57e2600497ac1
               |          
               |--1.70%-- 0x1e78e100497ac1
               |          
               |--1.70%-- 0x126a0a00497ac1
               |          
               |--1.70%-- 0x12b26a00497ac1
               |          
               |--1.70%-- 0xb32c900497ac1
               |          
               |--1.70%-- 0x25b0f00497ac1
               |          
               |--1.70%-- 0x12695400497ac1
               |          
               |--1.70%-- 0x12427100497ac1
               |          
               |--1.70%-- 0xf522800497ac1
               |          
               |--1.70%-- 0x3df1c00497ac1
               |          
               |--1.70%-- 0x105dfa00497ac1
               |          
               |--1.70%-- 0xc208d00497ac1
               |          
               |--1.70%-- 0x1fca8f00497ac1
               |          
               |--1.70%-- 0x1137da00497ac1
               |          
               |--1.70%-- 0x10db8f00497ac1
               |          
               |--1.70%-- 0x16658d00497ac1
               |          
               |--1.70%-- 0x11413200497ac1
               |          
               |--1.70%-- 0xef54900497ac1
               |          
               |--1.70%-- 0x17b7cd00497ac1
               |          
               |--1.70%-- 0x1abbd700497ac1
               |          
               |--1.70%-- 0x1f6e4d00497ac1
               |          
               |--1.68%-- 0xc69f500497ac1
               |          
               |--1.68%-- 0x1caf3300497ac1
                --57.55%-- [...]

     0.06%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                       
            |
            --- ftrace_trace_stack
               |          
               |--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
               |          
               |--23.21%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--69.22%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--15.40%-- 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
               |          |          
               |           --15.39%-- 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
               |          
               |--21.43%-- 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
               |          
               |--14.29%-- 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
               |          
                --3.57%-- 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
                          |          
                          |--50.00%-- varstr_cmp
                          |          
                           --50.00%-- HeapTupleSatisfiesMVCC

     0.06%  postgres  postgres                       [.] UnpinBuffer.clone.0                      
            |
            --- UnpinBuffer.clone.0

     0.06%  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

     0.06%  postgres  [kernel.kallsyms]              [k] place_entity                             
            |
            --- place_entity
               |          
               |--77.55%-- 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
               |          
                --22.45%-- 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] auditsys                                 
            |
            --- auditsys
                __GI___kill

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

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

     0.05%  postgres  [kernel.kallsyms]              [k] pid_task                                 
            |
            --- pid_task
               |          
               |--51.17%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --48.83%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.04%  postgres  [kernel.kallsyms]              [k] task_of                                  
            |
            --- task_of
               |          
               |--58.85%-- 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
               |          
                --41.15%-- 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_cpu                          
            |
            --- sched_clock_cpu
               |          
               |--87.88%-- 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
               |          
                --12.12%-- 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                       [.] lc_collate_is_c                          
            |
            --- lc_collate_is_c

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

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

     0.03%  postgres  [kernel.kallsyms]              [k] task_active_pid_ns                       
            |
            --- task_active_pid_ns
               |          
               |--68.97%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --31.03%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] dput                                     
            |
            --- dput
               |          
               |--75.86%-- path_put
               |          __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --24.14%-- __audit_syscall_exit
                          sysret_audit
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_wakeup            
            |
            --- ftrace_raw_event_sched_wakeup
               |          
               |--67.86%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --32.14%-- 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                       [.] ReadBuffer_common                        
            |
            --- ReadBuffer_common

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

     0.03%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_sleep        
            |
            --- ftrace_raw_event_sched_stat_sleep
               |          
               |--80.00%-- 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
               |          
                --20.00%-- 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

     0.03%  postgres  [kernel.kallsyms]              [k] activate_task                            
            |
            --- activate_task
               |          
               |--52.00%-- 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
               |          
                --48.00%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] cap_task_kill                            
            |
            --- cap_task_kill
               |          
               |--75.00%-- check_kill_permission
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --25.00%-- 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] sysret_audit                             
            |
            --- sysret_audit
                __GI___kill

     0.02%  postgres  postgres                       [.] gettimeofday@plt                         
            |
            --- gettimeofday@plt

     0.02%  postgres  [kernel.kallsyms]              [k] find_vpid                                
            |
            --- find_vpid
               |          
               |--52.63%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --47.37%-- system_call
                          __GI___kill

     0.02%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt                     
            |
            --- apic_timer_interrupt
               |          
               |--36.78%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.27%-- __gettimeofday
               |          
               |--5.27%-- ExecProject
               |          
               |--5.27%-- SetLatch
               |          
               |--5.27%-- memcpy
               |          
               |--5.27%-- palloc
               |          
               |--5.27%-- slot_getsomeattrs
               |          
               |--5.27%-- bpcharle
               |          
               |--5.27%-- slot_deform_tuple
               |          
               |--5.27%-- bpchareq
               |          
               |--5.27%-- vread_tsc
               |          
               |--5.27%-- HeapTupleSatisfiesMVCC
               |          
                --5.27%-- bcTruelen

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

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

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

     0.02%  postgres  [kernel.kallsyms]              [k] rcu_process_gp_end                       
            |
            --- rcu_process_gp_end
               |          
               |--92.86%-- __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--61.54%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--7.69%-- varstr_cmp
               |          |          
               |          |--7.69%-- hash_search_with_hash_value
               |          |          
               |          |--7.69%-- shm_mq_receive_bytes
               |          |          
               |          |--7.69%-- memcpy
               |          |          
               |           --7.69%-- make_result
               |          
                --7.14%-- rcu_process_callbacks
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecProcNode

     0.02%  postgres  [kernel.kallsyms]              [k] security_task_kill                       
            |
            --- security_task_kill
               |          
               |--57.15%-- check_kill_permission
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --42.85%-- 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
               |          
               |--76.92%-- 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
               |          
                --23.08%-- __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  postgres                       [.] LockBuffer                               
            |
            --- LockBuffer

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

     0.01%  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

     0.01%  postgres  postgres                       [.] memcpy@plt                               
            |
            --- memcpy@plt
               |          
               |--24.62%-- networkjoinsel
                --75.38%-- [...]

     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                             
            |
            --- __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--54.55%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--18.19%-- slot_getsomeattrs
               |          
               |--9.09%-- shm_mq_inc_bytes_read
               |          
               |--9.09%-- AllocSetAlloc
               |          
                --9.08%-- alloc_var

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get_update_offsets                 
            |
            --- ktime_get_update_offsets
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--90.00%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --10.00%-- make_result

     0.01%  postgres  [kernel.kallsyms]              [k] scheduler_tick                           
            |
            --- scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--30.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--19.99%-- AllocSetAlloc
               |          
               |--10.00%-- bpchareq
               |          
               |--10.00%-- TupleQueueFunnelNext
               |          
               |--10.00%-- pg_detoast_datum_packed
               |          
               |--10.00%-- SetLatch
               |          
                --10.00%-- memcpy

     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                        
            |
            --- run_timer_softirq
               |          
               |--90.00%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--44.45%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--11.11%-- kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--11.11%-- slot_getattr
               |          |          
               |          |--11.11%-- add_abs
               |          |          
               |          |--11.11%-- AllocSetFree
               |          |          
               |           --11.11%-- AllocSetAlloc
               |          
                --10.00%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          memcpy

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

     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] check_preempt_wakeup                     
            |
            --- check_preempt_wakeup
               |          
               |--55.56%-- 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
               |          
                --44.44%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                                
            |
            --- ktime_get
               |          
               |--50.00%-- tick_dev_program_event
               |          tick_program_event
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--25.01%-- slot_deform_tuple
               |          |          
               |          |--25.00%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.00%-- InstrStopNode
               |          |          
               |           --25.00%-- free_var
               |          
                --50.00%-- tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--75.00%-- do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --25.00%-- 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
               |          
               |--62.49%-- 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
               |          |          
               |          |--59.99%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--20.01%-- hash_search_with_hash_value
               |          |          
               |           --20.00%-- bcTruelen
               |          
               |--25.02%-- intel_pmu_enable_all
               |          x86_pmu_enable
               |          perf_pmu_enable
               |          |          
               |          |--99.87%-- perf_adjust_freq_unthr_context
               |          |          perf_event_task_tick
               |          |          scheduler_tick
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--50.00%-- do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --50.00%-- slot_deform_tuple
               |           --0.13%-- [...]
               |          
                --12.49%-- x86_pmu_enable
                          perf_pmu_enable
                          perf_adjust_freq_unthr_context
                          perf_event_task_tick
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          make_result

     0.01%  postgres  [kernel.kallsyms]              [k] enqueue_hrtimer                          
            |
            --- enqueue_hrtimer
               |          
               |--74.99%-- __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--49.97%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--16.68%-- MemoryContextReset
               |          |          
               |          |--16.67%-- ExecProject
               |          |          
               |           --16.67%-- __GI___kill
               |          
                --25.01%-- hrtimer_interrupt
                          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%-- slot_deform_tuple

     0.01%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                          
            |
            --- __memcmp_sse4_1

     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
               |          
               |--42.85%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--14.29%-- slot_deform_tuple
               |          
               |--14.29%-- GetPrivateRefCountEntry
               |          
               |--14.29%-- ExecProject
               |          
                --14.28%-- __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] set_task_cpu                             
            |
            --- set_task_cpu
                try_to_wake_up
               |          
               |--71.43%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --28.57%-- wake_up_process
                          |          
                          |--50.03%-- scsi_eh_wakeup
                          |          scsi_eh_scmd_add
                          |          scsi_times_out
                          |          blk_rq_timed_out
                          |          blk_abort_request
                          |          ata_qc_schedule_eh
                          |          ata_qc_complete
                          |          ata_hsm_qc_complete
                          |          ata_sff_hsm_move
                          |          ata_sff_host_intr
                          |          ata_sff_interrupt
                          |          handle_IRQ_event
                          |          handle_edge_irq
                          |          handle_irq
                          |          do_IRQ
                          |          ret_from_intr
                          |          bcTruelen
                          |          
                           --49.97%-- process_timeout
                                     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

     0.01%  postgres  [kernel.kallsyms]              [k] __rcu_pending                            
            |
            --- __rcu_pending
               |          
               |--71.40%-- rcu_check_callbacks
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--79.97%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --20.03%-- vread_tsc
               |          
                --28.60%-- 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

     0.01%  postgres  [kernel.kallsyms]              [k] do_softirq                               
            |
            --- do_softirq
               |          
               |--66.66%-- 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
               |          |          
               |          |--25.00%-- memcpy
               |          |          
               |           --25.00%-- 0x7fff2dfff8a7
               |          
                --33.34%-- 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%-- do_numeric_accum

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

     0.01%  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
               |          
               |--83.34%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --16.66%-- AllocSetFree

     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq              
            |
            --- ftrace_raw_event_id_softirq
               |          
               |--33.34%-- ftrace_raw_event_softirq_raise
               |          raise_softirq
               |          |          
               |          |--50.01%-- rcu_check_callbacks
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.99%-- run_local_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
               |          
               |--33.32%-- ftrace_raw_event_softirq_exit
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- heap_page_prune_opt
               |          |          
               |           --49.99%-- 0x7fff2dfff81f
               |          
               |--16.67%-- raise_softirq
               |          run_local_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
               |          
                --16.67%-- 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

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

     0.01%  postgres  [kernel.kallsyms]              [k] clear_page_c                             
            |
            --- clear_page_c
                __alloc_pages_nodemask
                alloc_pages_vma
                handle_pte_fault
               |          
               |--57.67%-- handle_mm_fault
               |          __do_page_fault
               |          do_page_fault
               |          page_fault
               |          |          
               |          |--67.66%-- element_alloc
               |          |          
               |           --32.34%-- palloc0
               |          
                --42.33%-- do_huge_pmd_anonymous_page
                          handle_mm_fault
                          __do_page_fault
                          do_page_fault
                          page_fault
                          _int_malloc

     0.01%  postgres  [kernel.kallsyms]              [k] find_next_bit                            
            |
            --- find_next_bit
               |          
               |--79.99%-- 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
               |          
                --20.01%-- physflat_send_IPI_mask
                          native_smp_send_reschedule
                          kick_process
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] task_tick_fair                           
            |
            --- task_tick_fair
               |          
               |--80.00%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.00%-- vread_tsc
               |          |          
               |           --25.00%-- slot_deform_tuple
               |          
                --20.00%-- update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          add_abs

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_check_callbacks                      
            |
            --- rcu_check_callbacks
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--60.00%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--20.01%-- add_var
               |          
                --20.00%-- ExecScan

     0.01%  postgres  [kernel.kallsyms]              [k] hrtimer_interrupt                        
            |
            --- hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--20.02%-- memcpy
               |          
               |--20.00%-- InstrStopNode
               |          
               |--20.00%-- slot_deform_tuple
               |          
               |--19.99%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --19.99%-- add_abs

     0.00%  postgres  [kernel.kallsyms]              [k] save_args                                
            |
            --- save_args
               |          
               |--49.99%-- hash_search_with_hash_value
               |          
               |--25.01%-- int64_to_numericvar
               |          
                --25.00%-- PinBuffer

     0.00%  postgres  [kernel.kallsyms]              [k] hrtick_start_fair                        
            |
            --- hrtick_start_fair
               |          
               |--75.01%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --24.99%-- enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] acct_update_integrals                    
            |
            --- acct_update_integrals
               |          
               |--75.01%-- account_user_time
               |          account_process_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- ExecAgg
               |          |          
               |          |--33.34%-- add_abs
               |          |          
               |           --33.32%-- hash_search
               |          
                --24.99%-- account_system_time
                          account_process_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.00%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write                    
            |
            --- native_apic_mem_write
                apic_timer_interrupt
               |          
               |--75.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --24.99%-- bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] idle_cpu                                 
            |
            --- idle_cpu
               |          
               |--50.01%-- irq_enter
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--25.00%-- 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
               |          
                --24.99%-- smp_apic_timer_interrupt
                          apic_timer_interrupt
                          make_result

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

     0.00%  postgres  [kernel.kallsyms]              [k] rb_next                                  
            |
            --- rb_next
               |          
               |--75.01%-- __remove_hrtimer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--33.34%-- TupleQueueFunnelNext
               |          |          
               |          |--33.33%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --33.33%-- AllocSetAlloc
               |          
                --24.99%-- __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          varstr_cmp

     0.00%  postgres  [kernel.kallsyms]              [k] raise_softirq                            
            |
            --- raise_softirq
                run_local_timers
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--25.01%-- do_numeric_accum
               |          
                --24.99%-- advance_transition_function

     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
               |          
               |--50.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--25.00%-- shm_mq_receive_bytes
               |          
                --25.00%-- ExecProcNode

     0.00%  postgres  [kernel.kallsyms]              [k] ioread8                                  
            |
            --- ioread8
               |          
               |--50.00%-- ata_sff_altstatus
               |          ata_sff_host_intr
               |          ata_sff_interrupt
               |          handle_IRQ_event
               |          handle_edge_irq
               |          handle_irq
               |          do_IRQ
               |          ret_from_intr
               |          |          
               |          |--50.00%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --50.00%-- memcpy
               |          
                --50.00%-- ata_sff_tf_read
                          ata_sff_qc_fill_rtf
                          ata_qc_complete
                          ata_hsm_qc_complete
                          ata_sff_hsm_move
                          ata_sff_host_intr
                          ata_sff_interrupt
                          handle_IRQ_event
                          handle_edge_irq
                          handle_irq
                          do_IRQ
                          ret_from_intr
                          |          
                          |--50.01%-- do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --49.99%-- memcpy

     0.00%  postgres  [kernel.kallsyms]              [k] kick_process                             
            |
            --- kick_process
               |          
               |--75.00%-- 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
               |          
                --25.00%-- complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] check_for_new_grace_period               
            |
            --- check_for_new_grace_period
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--25.00%-- bpcharle
               |          
               |--25.00%-- make_result
               |          
               |--25.00%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --25.00%-- ExecProject

     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime      
            |
            --- ftrace_raw_event_sched_stat_runtime
                update_curr
               |          
               |--74.98%-- 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
               |          
                --25.02%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          advance_transition_function

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] tick_sched_timer                         
            |
            --- tick_sched_timer
               |          
               |--66.67%-- __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.00%-- memcpy
               |          |          
               |           --50.00%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --33.33%-- hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          SetLatch

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_run_pending                      
            |
            --- hrtimer_run_pending
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- int64_to_numericvar
               |          
               |--33.33%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --33.33%-- add_abs

     0.00%  postgres  [kernel.kallsyms]              [k] do_timer                                 
            |
            --- do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- bcTruelen
               |          
               |--33.33%-- hash_search_with_hash_value
               |          
                --33.33%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks                    
            |
            --- rcu_process_callbacks
               |          
               |--66.65%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          slot_deform_tuple
               |          
                --33.35%-- 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                       [.] ResourceOwnerEnlargeBuffers              
            |
            --- ResourceOwnerEnlargeBuffers

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

     0.00%  postgres  [kernel.kallsyms]              [k] force_quiescent_state                    
            |
            --- force_quiescent_state
               |          
               |--66.67%-- 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
               |          
                --33.33%-- __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] perf_adjust_freq_unthr_context           
            |
            --- perf_adjust_freq_unthr_context
                perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.33%-- slot_deform_tuple
               |          
               |--33.33%-- HeapTupleSatisfiesMVCC
               |          
                --33.33%-- advance_aggregates

     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
               |          
               |--33.34%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--33.34%-- add_abs
               |          
                --33.33%-- fetch_input_tuple

     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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                            
            |
            --- __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_cfs_rq_runtime                   
            |
            --- account_cfs_rq_runtime
               |          
               |--66.66%-- 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
               |          
                --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

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

     0.00%  postgres  [kernel.kallsyms]              [k] in_group_p                               
            |
            --- in_group_p
                acl_permission_check
                __link_path_walk
                path_walk
                do_filp_open
                do_sys_open
                sys_open
                system_call
                __GI___libc_open

     0.00%  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
                palloc0

     0.00%  postgres  [kernel.kallsyms]              [k] tick_do_update_jiffies64                 
            |
            --- tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- palloc
               |          
                --50.00%-- varstr_cmp

     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
               |          
               |--50.00%-- auditsys
               |          __GI___kill
               |          
                --50.00%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] physflat_send_IPI_mask                   
            |
            --- physflat_send_IPI_mask
               |          
               |--50.01%-- kick_process
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --49.99%-- 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

     0.00%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add                     
            |
            --- __percpu_counter_add
                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] dma_issue_pending_all                    
            |
            --- dma_issue_pending_all
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
               |          
               |--50.02%-- ExecClearTuple
               |          
                --49.98%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] dyntick_save_progress_counter            
            |
            --- dyntick_save_progress_counter
                rcu_process_dyntick
                force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- do_numeric_accum
               |          
                --50.00%-- slot_deform_tuple

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

     0.00%  postgres  [kernel.kallsyms]              [k] strlen                                   
            |
            --- strlen
               |          
               |--50.01%-- handle_IRQ_event
               |          handle_edge_irq
               |          handle_irq
               |          do_IRQ
               |          ret_from_intr
               |          __GI___kill
               |          
                --49.99%-- ftrace_raw_event_irq_handler_entry
                          handle_IRQ_event
                          handle_edge_irq
                          handle_irq
                          do_IRQ
                          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] account_process_tick                     
            |
            --- 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] intel_pmu_disable_all                    
            |
            --- intel_pmu_disable_all
                perf_pmu_disable
                perf_adjust_freq_unthr_context
                perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- hash_search_with_hash_value
               |          
                --50.00%-- shm_mq_receive_bytes

     0.00%  postgres  [sha]                          [k] 0x000000000000dc70                       
            |
            --- 0xffffffffa05a0c70
                __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
               |          
               |--50.00%-- advance_transition_function
               |          
                --50.00%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] tick_program_event                       
            |
            --- tick_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.02%-- slot_deform_tuple
               |          
                --49.98%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

     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] rcu_irq_enter                            
            |
            --- rcu_irq_enter
                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] retint_with_reschedule                   
            |
            --- retint_with_reschedule
                slot_deform_tuple

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

     0.00%  postgres  [kernel.kallsyms]              [k] rb_erase                                 
            |
            --- rb_erase
                __remove_hrtimer
                __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] find_busiest_group                       
            |
            --- find_busiest_group
                rebalance_domains
                run_rebalance_domains
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] handle_IRQ_event                         
            |
            --- handle_IRQ_event
                handle_irq
                do_IRQ
                ret_from_intr
                MemoryContextReset

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

     0.00%  postgres  [kernel.kallsyms]              [k] scsi_softirq_done                        
            |
            --- scsi_softirq_done
                blk_done_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_call_function_single_interrupt
                call_function_single_interrupt
                add_abs

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

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

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

     0.00%  postgres  [nf_conntrack]                 [k] tcp_packet                               
            |
            --- tcp_packet
                nf_conntrack_in
                ipv4_conntrack_local
                nf_iterate
                nf_hook_slow
                __ip_local_out
                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
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] jiffies_to_timeval                       
            |
            --- jiffies_to_timeval
                acct_update_integrals
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                int4_sum

     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] tcp_v4_conn_request                      
            |
            --- tcp_v4_conn_request
                tcp_rcv_state_process
                tcp_v4_do_rcv
                tcp_v4_rcv
                ip_local_deliver_finish
                ip_local_deliver
                ip_rcv_finish
                ip_rcv
                __netif_receive_skb
                process_backlog
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                add_abs

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] tick_dev_program_event                   
            |
            --- tick_dev_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                heap_page_prune_opt

     0.00%  postgres  [kernel.kallsyms]              [k] end_bio_bh_io_sync                       
            |
            --- end_bio_bh_io_sync
                bio_endio
                req_bio_endio
                blk_update_request
                blk_update_bidi_request
                blk_end_bidi_request
                blk_end_request
                scsi_io_completion
                scsi_finish_command
                scsi_softirq_done
                blk_done_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_call_function_single_interrupt
                call_function_single_interrupt
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] ipmi_timeout                             
            |
            --- ipmi_timeout
                run_timer_softirq
                __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] clockevents_program_event                
            |
            --- clockevents_program_event
                tick_program_event
                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] restore_args                             
            |
            --- restore_args
                FunctionCall1Coll

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

     0.00%  postgres  [kernel.kallsyms]              [k] perf_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

     0.00%  postgres  [kernel.kallsyms]              [k] ret_from_intr                            
            |
            --- ret_from_intr
                ExecAgg

     0.00%  postgres  [kernel.kallsyms]              [k] __mem_cgroup_commit_charge               
            |
            --- __mem_cgroup_commit_charge
                mem_cgroup_charge_common
                mem_cgroup_newpage_charge
                handle_pte_fault
                handle_mm_fault
                __do_page_fault
                do_page_fault
                page_fault
                AllocSetAlloc

     0.00%  postgres  [kernel.kallsyms]              [k] queue_work                               
            |
            --- queue_work
                cfq_completed_request
                elv_completed_request
                __blk_put_request
                blk_finish_request
                blk_end_bidi_request
                blk_end_request
                scsi_io_completion
                scsi_finish_command
                scsi_softirq_done
                blk_done_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_call_function_single_interrupt
                call_function_single_interrupt
                ExecStoreMinimalTuple

     0.00%  postgres  libc-2.12.so                   [.] __memset_sse2                            
            |
            --- __memset_sse2

     0.00%  postgres  [kernel.kallsyms]              [k] page_remove_rmap                         
            |
            --- page_remove_rmap
                unmap_vmas
                unmap_region
                do_munmap
                sys_brk
                system_call
                __brk

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] handle_edge_irq                          
            |
            --- handle_edge_irq
                do_IRQ
                ret_from_intr
                ExecStoreTuple

     0.00%  postgres  [ip_tables]                    [k] ipt_do_table                             
            |
            --- ipt_do_table
                ipt_local_in_hook
                nf_iterate
                nf_hook_slow
                ip_local_deliver
                ip_rcv_finish
                ip_rcv
                __netif_receive_skb
                process_backlog
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                ExecProcNode

     0.00%  postgres  [igb]                          [k] igb_poll                                 
            |
            --- igb_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                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] hrtimer_forward                          
            |
            --- hrtimer_forward
                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] perf_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
                0x4cf570b62e62



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