# ========
# captured on: Tue Sep 22 15:23:42 2015
# hostname : aphost2
# os release : 2.6.32-358.23.2.el6.x86_64
# perf version : 2.6.32-358.23.2.el6.x86_64.debug
# arch : x86_64
# nrcpus online : 16
# nrcpus avail : 16
# cpudesc : Intel(R) Xeon(R) CPU E5-4650 0 @ 2.70GHz
# cpuid : GenuineIntel,6,45,7
# total memory : 264414484 kB
# cmdline : /usr/bin/perf record -g -p 108443 
# event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, excl_host = 0, excl_guest = 1, precise_ip = 0, id = { 21 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 81K of event 'cycles'
# Event count (approx.): 58859674828
#
# Overhead   Command                  Shared Object                                         Symbol
# ........  ........  .............................  .............................................
#
     3.73%  postgres  postgres                       [.] hash_search_with_hash_value              
            |
            --- hash_search_with_hash_value
               |          
               |--2.69%-- 0x1d4108000000000
                --97.31%-- [...]

     3.45%  postgres  postgres                       [.] slot_deform_tuple                        
            |
            --- slot_deform_tuple

     3.27%  postgres  postgres                       [.] do_numeric_accum                         
            |
            --- do_numeric_accum
               |          
               |--96.11%-- 0x0
                --3.89%-- [...]

     2.93%  postgres  [kernel.kallsyms]              [k] resched_task                             
            |
            --- resched_task
               |          
               |--96.20%-- check_preempt_curr
               |          try_to_wake_up
               |          |          
               |          |--99.96%-- wake_up_state
               |          |          signal_wake_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%-- [...]
               |          
                --3.80%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     2.70%  postgres  libc-2.12.so                   [.] memcpy                                   
            |
            --- memcpy
               |          
               |--89.23%-- networkjoinsel
                --10.77%-- [...]

     2.63%  postgres  [kernel.kallsyms]              [k] try_to_wake_up                           
            |
            --- try_to_wake_up
               |          
               |--98.93%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.07%-- signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     2.55%  postgres  [kernel.kallsyms]              [k] _spin_lock                               
            |
            --- _spin_lock
               |          
               |--62.02%-- 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
               |          
               |--34.85%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.01%-- 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
               |          
               |--0.63%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--38.46%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--7.70%-- int64_to_numericvar
               |          |          
               |          |--7.69%-- add_abs
               |          |          
               |          |--7.69%-- shm_mq_inc_bytes_read
               |          |          
               |          |--7.69%-- slot_deform_tuple
               |          |          
               |          |--7.69%-- ExecScan
               |          |          
               |          |--7.69%-- hash_search_with_hash_value
               |          |          
               |          |--7.69%-- shm_mq_receive_bytes
               |          |          
               |           --7.69%-- find_get_page
               |                     generic_file_aio_read
               |                     do_sync_read
               |                     vfs_read
               |                     sys_read
               |                     system_call
               |                     __GI___libc_read
                --1.49%-- [...]

     2.29%  postgres  [kernel.kallsyms]              [k] enqueue_entity                           
            |
            --- enqueue_entity
               |          
               |--99.47%-- enqueue_task_fair
               |          enqueue_task
               |          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%-- [...]
               |          
                --0.53%-- 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

     2.27%  postgres  [kernel.kallsyms]              [k] task_curr                                
            |
            --- task_curr
               |          
               |--99.08%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --0.92%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.90%  postgres  [kernel.kallsyms]              [k] __send_signal                            
            |
            --- __send_signal
               |          
               |--99.81%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.19%-- [...]

     1.89%  postgres  postgres                       [.] bpchareq                                 
            |
            --- bpchareq

     1.83%  postgres  postgres                       [.] add_abs                                  
            |
            --- add_abs

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

     1.65%  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

     1.62%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event                    
            |
            --- rb_reserve_next_event
               |          
               |--96.60%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--40.56%-- 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
               |          |          
               |          |--30.46%-- 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
               |          |          
               |          |--27.80%-- 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
               |          |          
               |          |--0.94%-- ftrace_raw_event_sched_stat_runtime
               |          |          update_curr
               |          |          |          
               |          |          |--83.33%-- enqueue_entity
               |          |          |          enqueue_task_fair
               |          |          |          enqueue_task
               |          |          |          activate_task
               |          |          |          try_to_wake_up
               |          |          |          |          
               |          |          |          |--90.01%-- wake_up_state
               |          |          |          |          signal_wake_up
               |          |          |          |          complete_signal
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |           --9.99%-- wake_up_process
               |          |          |                     update_queue
               |          |          |                     sys_semtimedop
               |          |          |                     sys_semop
               |          |          |                     system_call
               |          |          |                     __GI___semop
               |          |          |          
               |          |          |--8.33%-- dequeue_entity
               |          |          |          dequeue_task_fair
               |          |          |          dequeue_task
               |          |          |          deactivate_task
               |          |          |          thread_return
               |          |          |          sys_semtimedop
               |          |          |          sys_semop
               |          |          |          system_call
               |          |          |          __GI___semop
               |          |          |          
               |          |           --8.33%-- 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
               |           --0.23%-- [...]
               |          
                --3.40%-- trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--40.00%-- 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
                          |          
                          |--28.90%-- 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
                          |          
                          |--28.88%-- 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
                          |          
                           --2.22%-- ftrace_raw_event_sched_stat_runtime
                                     update_curr
                                     enqueue_entity
                                     enqueue_task_fair
                                     enqueue_task
                                     activate_task
                                     try_to_wake_up
                                     wake_up_state
                                     signal_wake_up
                                     complete_signal
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     1.49%  postgres  postgres                       [.] bcTruelen                                
            |
            --- bcTruelen

     1.48%  postgres  postgres                       [.] ExecProject                              
            |
            --- ExecProject

     1.48%  postgres  postgres                       [.] AllocSetAlloc                            
            |
            --- AllocSetAlloc
               |          
               |--23.86%-- networkjoinsel
                --76.14%-- [...]

     1.43%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                       
            |
            --- _spin_lock_irqsave
               |          
               |--97.86%-- lock_task_sighand
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.11%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --1.03%-- [...]

     1.23%  postgres  postgres                       [.] ExecStoreMinimalTuple                    
            |
            --- ExecStoreMinimalTuple

     1.19%  postgres  [kernel.kallsyms]              [k] kmem_cache_alloc                         
            |
            --- kmem_cache_alloc
               |          
               |--98.46%-- __sigqueue_alloc
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.54%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     1.12%  postgres  [kernel.kallsyms]              [k] complete_signal                          
            |
            --- complete_signal
               |          
               |--98.47%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.53%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.11%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                        
            |
            --- __rb_reserve_next
               |          
               |--93.69%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.69%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--31.93%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--30.49%-- 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
               |          |          
               |          |--1.54%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--46.15%-- 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
               |          |          |          |          
               |          |          |          |--16.68%-- bpcharle
               |          |          |          |          
               |          |          |          |--16.66%-- slot_deform_tuple
               |          |          |          |          
               |          |          |           --16.65%-- ExecEvalConst
               |          |          |          
               |          |          |--30.77%-- ftrace_raw_event_softirq_entry
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.02%-- do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--24.99%-- AllocSetAlloc
               |          |          |          |          
               |          |          |           --24.99%-- memcpy
               |          |          |          
               |          |           --23.08%-- ftrace_raw_event_softirq_raise
               |          |                     raise_softirq
               |          |                     |          
               |          |                     |--66.66%-- rcu_check_callbacks
               |          |                     |          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%-- SetLatch
               |          |                     |          
               |          |                      --33.34%-- 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
               |           --0.35%-- [...]
               |          
                --6.31%-- ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--42.11%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--28.07%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                          |--28.07%-- 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
                          |          
                           --1.75%-- 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
                                     add_abs

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

     1.05%  postgres  postgres                       [.] make_result                              
            |
            --- make_result

     1.05%  postgres  postgres                       [.] hash_any                                 
            |
            --- hash_any

     1.03%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit                     
            |
            --- __audit_syscall_exit
               |          
               |--78.22%-- sysret_audit
               |          |          
               |          |--98.49%-- __GI___kill
               |          |          
               |          |--0.91%-- __GI___libc_read
               |          |          
               |           --0.60%-- __GI___libc_lseek64
               |          
               |--21.66%-- __GI___kill
                --0.12%-- [...]

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

     1.02%  postgres  [kernel.kallsyms]              [k] signal_wake_up                           
            |
            --- signal_wake_up
               |          
               |--95.92%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --4.08%-- __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.01%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC                   
            |
            --- HeapTupleSatisfiesMVCC

     1.01%  postgres  [kernel.kallsyms]              [k] __sigqueue_alloc                         
            |
            --- __sigqueue_alloc
               |          
               |--98.66%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.34%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     1.01%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                                
            |
            --- vread_tsc
               |          
               |--88.59%-- 0x7fff59744814
               |          0x7fff597448bc
               |          __gettimeofday
               |          
                --11.41%-- 0x7fff597448bc
                          __gettimeofday

     0.98%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve                
            |
            --- trace_buffer_lock_reserve
               |          
               |--94.63%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--55.94%-- 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
               |          |          
               |          |--37.86%-- 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
               |          |          
               |          |--5.94%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.26%-- [...]
               |          
               |--2.25%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.75%-- 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
               |          
                --1.37%-- ftrace_raw_event_id_sched_wakeup_template
                          ftrace_raw_event_sched_wakeup
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.97%  postgres  [kernel.kallsyms]              [k] check_kill_permission                    
            |
            --- check_kill_permission
               |          
               |--98.73%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.27%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.90%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack                   
            |
            --- ftrace_trace_userstack
               |          
               |--83.35%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--48.67%-- 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
               |          |          
               |          |--28.92%-- 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
               |          |          
               |          |--21.93%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.49%-- [...]
               |          
               |--13.81%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.49%-- 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
               |          
               |--1.22%-- 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
                --0.14%-- [...]

     0.89%  postgres  [kernel.kallsyms]              [k] update_curr                              
            |
            --- update_curr
               |          
               |--96.84%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          |          
               |          |--99.86%-- 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
               |           --0.14%-- [...]
               |          
               |--2.48%-- 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
               |          
               |--0.55%-- 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
               |          |          
               |          |--25.00%-- do_numeric_accum
               |          |          
               |           --24.99%-- vread_tsc
                --0.14%-- [...]

     0.86%  postgres  [kernel.kallsyms]              [k] native_read_tsc                          
            |
            --- native_read_tsc
               |          
               |--95.86%-- native_sched_clock
               |          sched_clock
               |          |          
               |          |--91.65%-- trace_clock_local
               |          |          |          
               |          |          |--98.86%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--35.35%-- 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
               |          |          |          |          
               |          |          |          |--31.91%-- 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
               |          |          |          |          
               |          |          |          |--31.09%-- 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
               |          |          |          |          
               |          |          |          |--0.99%-- 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
               |          |          |          |          |          |          
               |          |          |          |          |          |--50.00%-- do_send_sig_info
               |          |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          |          kill_pid_info
               |          |          |          |          |          |          sys_kill
               |          |          |          |          |          |          system_call
               |          |          |          |          |          |          __GI___kill
               |          |          |          |          |          |          
               |          |          |          |          |          |--25.00%-- advance_transition_function
               |          |          |          |          |          |          
               |          |          |          |          |           --25.00%-- group_send_sig_info
               |          |          |          |          |                     kill_pid_info
               |          |          |          |          |                     sys_kill
               |          |          |          |          |                     system_call
               |          |          |          |          |                     __GI___kill
               |          |          |          |          |          
               |          |          |          |          |--16.67%-- 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_numeric_accum
               |          |          |          |          |          
               |          |          |          |           --16.67%-- 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
               |          |          |          |          
               |          |          |           --0.66%-- 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%-- __gettimeofday
               |          |          |                                |          
               |          |          |                                 --49.99%-- do_send_sig_info
               |          |          |                                           group_send_sig_info
               |          |          |                                           kill_pid_info
               |          |          |                                           sys_kill
               |          |          |                                           system_call
               |          |          |                                           __GI___kill
               |          |          |          
               |          |           --1.14%-- __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_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
               |          |                     |          
               |          |                     |--28.58%-- 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
               |          |                     |          
               |          |                      --28.56%-- 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
               |          |          
               |           --8.35%-- sched_clock_cpu
               |                     update_rq_clock
               |                     |          
               |                     |--98.21%-- enqueue_task
               |                     |          activate_task
               |                     |          try_to_wake_up
               |                     |          wake_up_state
               |                     |          signal_wake_up
               |                     |          complete_signal
               |                     |          __send_signal
               |                     |          send_signal
               |                     |          do_send_sig_info
               |                     |          group_send_sig_info
               |                     |          kill_pid_info
               |                     |          sys_kill
               |                     |          system_call
               |                     |          __GI___kill
               |                     |          
               |                      --1.79%-- scheduler_tick
               |                                update_process_times
               |                                tick_sched_timer
               |                                __run_hrtimer
               |                                hrtimer_interrupt
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                pgstat_init_function_usage
               |          
                --4.14%-- sched_clock
                          |          
                          |--75.86%-- trace_clock_local
                          |          rb_reserve_next_event
                          |          ring_buffer_lock_reserve
                          |          trace_buffer_lock_reserve
                          |          trace_current_buffer_lock_reserve
                          |          |          
                          |          |--40.91%-- 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
                          |          |          
                          |          |--36.37%-- ftrace_raw_event_id_sched_wakeup_template
                          |          |          ftrace_raw_event_sched_wakeup
                          |          |          try_to_wake_up
                          |          |          wake_up_state
                          |          |          signal_wake_up
                          |          |          complete_signal
                          |          |          __send_signal
                          |          |          send_signal
                          |          |          do_send_sig_info
                          |          |          group_send_sig_info
                          |          |          kill_pid_info
                          |          |          sys_kill
                          |          |          system_call
                          |          |          __GI___kill
                          |          |          
                          |          |--18.18%-- ftrace_raw_event_id_sched_stat_template
                          |          |          ftrace_raw_event_sched_stat_sleep
                          |          |          enqueue_entity
                          |          |          enqueue_task_fair
                          |          |          enqueue_task
                          |          |          activate_task
                          |          |          try_to_wake_up
                          |          |          wake_up_state
                          |          |          signal_wake_up
                          |          |          complete_signal
                          |          |          __send_signal
                          |          |          send_signal
                          |          |          do_send_sig_info
                          |          |          group_send_sig_info
                          |          |          kill_pid_info
                          |          |          sys_kill
                          |          |          system_call
                          |          |          __GI___kill
                          |          |          
                          |           --4.55%-- 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
                          |          
                           --24.14%-- 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

     0.84%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve                 
            |
            --- ring_buffer_lock_reserve
               |          
               |--82.36%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--39.99%-- 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
               |          |          
               |          |--32.04%-- 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
               |          |          
               |          |--26.91%-- 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
               |          |          
               |          |--0.89%-- 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
               |          |                     hash_any
               |           --0.18%-- [...]
               |          
                --17.64%-- trace_current_buffer_lock_reserve
                          |          
                          |--51.24%-- 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
                          |          
                          |--41.32%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --7.44%-- ftrace_raw_event_signal_generate
                                     __send_signal
                                     send_signal
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.83%  postgres  [kernel.kallsyms]              [k] enqueue_task                             
            |
            --- enqueue_task
               |          
               |--98.67%-- 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
               |          
                --1.33%-- try_to_wake_up
                          wake_up_state
                          signal_wake_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%  postgres  [vdso]                         [.] 0x00007fff597448cd                       
            |          
            |--10.52%-- 0x7fff5974481f
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--8.61%-- 0x7fff597448d4
            |          __gettimeofday
            |          
            |--6.67%-- 0x7fff5974482a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--5.04%-- 0x7fff597447d6
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--4.44%-- 0x7fff59744830
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--4.30%-- 0x7fff59744826
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.85%-- 0x7fff597448cd
            |          __gettimeofday
            |          
            |--3.41%-- 0x7fff59744806
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.41%-- 0x7fff59744814
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--3.11%-- 0x7fff597448db
            |          __gettimeofday
            |          
            |--2.81%-- 0x7fff5974483d
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.81%-- 0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.67%-- 0x7fff5974480a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.67%-- 0x7fff597448d8
            |          __gettimeofday
            |          
            |--2.67%-- 0x7fff597448c0
            |          __gettimeofday
            |          
            |--2.52%-- 0x7fff597448a4
            |          __gettimeofday
            |          
            |--2.52%-- 0x7fff59744872
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--2.37%-- 0x7fff59744890
            |          
            |--2.37%-- 0x7fff597447d1
            |          __gettimeofday
            |          
            |--2.07%-- 0x7fff597448df
            |          __gettimeofday
            |          
            |--1.93%-- 0x7fff597448e9
            |          __gettimeofday
            |          
            |--1.93%-- 0x7fff5974486a
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.78%-- 0x7fff5974489d
            |          __gettimeofday
            |          
            |--1.78%-- 0x7fff597447e4
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.63%-- 0x7fff597447d0
            |          __gettimeofday
            |          
            |--1.48%-- 0x7fff597447ee
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.48%-- 0x7fff59744811
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.48%-- 0x7fff59744803
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.33%-- 0x7fff597447d7
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.19%-- 0x7fff597447fc
            |          0x7fff597448bc
            |          __gettimeofday
            |          
            |--1.04%-- 0x7fff597448b0
            |          __gettimeofday
            |          
            |--1.03%-- 0x7fff597448b2
            |          __gettimeofday
            |          
            |--0.74%-- 0x7fff597448a1
            |          __gettimeofday
            |          
            |--0.59%-- 0x7fff59744898
             --1.78%-- [...]

     0.82%  postgres  [kernel.kallsyms]              [k] trace_clock_local                        
            |
            --- trace_clock_local
               |          
               |--89.08%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--34.89%-- 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
               |          |          
               |          |--32.23%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          |          
               |          |          |--99.48%-- wake_up_state
               |          |          |          signal_wake_up
               |          |          |          complete_signal
               |          |          |          __send_signal
               |          |          |          send_signal
               |          |          |          do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |           --0.52%-- wake_up_process
               |          |                     update_queue
               |          |                     sys_semtimedop
               |          |                     sys_semop
               |          |                     system_call
               |          |                     __GI___semop
               |          |          
               |          |--31.71%-- 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
               |          |          
               |          |--1.01%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.68%-- ftrace_raw_event_softirq_raise
               |          |          |          raise_softirq
               |          |          |          |          
               |          |          |          |--74.99%-- run_local_timers
               |          |          |          |          update_process_times
               |          |          |          |          tick_sched_timer
               |          |          |          |          __run_hrtimer
               |          |          |          |          hrtimer_interrupt
               |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          
               |          |          |          |          |--33.34%-- AllocSetAlloc
               |          |          |          |          |          
               |          |          |          |          |--33.33%-- system_call
               |          |          |          |          |          __GI___kill
               |          |          |          |          |          
               |          |          |          |           --33.33%-- ExecProject
               |          |          |          |          
               |          |          |           --25.01%-- rcu_check_callbacks
               |          |          |                     update_process_times
               |          |          |                     tick_sched_timer
               |          |          |                     __run_hrtimer
               |          |          |                     hrtimer_interrupt
               |          |          |                     smp_apic_timer_interrupt
               |          |          |                     apic_timer_interrupt
               |          |          |                     memcpy
               |          |          |          
               |          |          |--16.66%-- ftrace_raw_event_softirq_exit
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          ExecProcNode
               |          |          |          
               |          |           --16.66%-- ftrace_raw_event_softirq_entry
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     __GI___kill
               |           --0.17%-- [...]
               |          
               |--9.27%-- ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--58.07%-- 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
               |          |          
               |          |--20.97%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--19.35%-- 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
               |          |          
               |           --1.61%-- 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
               |                     HeapTupleSatisfiesMVCC
               |          
                --1.65%-- __rb_reserve_next
                          rb_reserve_next_event
                          ring_buffer_lock_reserve
                          trace_buffer_lock_reserve
                          trace_current_buffer_lock_reserve
                          |          
                          |--45.45%-- 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
                          |          
                          |--36.37%-- ftrace_raw_event_signal_generate
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --18.19%-- 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

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

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

     0.67%  postgres  [kernel.kallsyms]              [k] system_call                              
            |
            --- system_call
               |          
               |--97.63%-- __GI___kill
               |          
               |--1.46%-- __GI___libc_lseek64
               |          
               |--0.73%-- __GI___libc_read
                --0.18%-- [...]

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

     0.64%  postgres  [kernel.kallsyms]              [k] __task_pid_nr_ns                         
            |
            --- __task_pid_nr_ns
               |          
               |--97.31%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.69%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.63%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore                  
            |
            --- _spin_unlock_irqrestore
               |          
               |--46.51%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--29.16%-- 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
               |          
               |--12.16%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--11.59%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
                --0.58%-- [...]

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

     0.60%  postgres  [kernel.kallsyms]              [k] lock_task_sighand                        
            |
            --- lock_task_sighand
               |          
               |--98.78%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.22%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.60%  postgres  [kernel.kallsyms]              [k] task_waking_fair                         
            |
            --- task_waking_fair
               |          
               |--98.77%-- 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
               |          
                --1.23%-- wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.58%  postgres  postgres                       [.] ExecClearTuple                           
            |
            --- ExecClearTuple

     0.54%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update             
            |
            --- tracing_generic_entry_update
               |          
               |--56.74%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--37.49%-- 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
               |          |          
               |          |--33.46%-- 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
               |          |          
               |          |--28.22%-- 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
               |           --0.83%-- [...]
               |          
                --43.26%-- trace_current_buffer_lock_reserve
                          |          
                          |--60.81%-- 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
                          |          
                          |--20.68%-- ftrace_raw_event_id_sched_stat_template
                          |          ftrace_raw_event_sched_stat_sleep
                          |          enqueue_entity
                          |          enqueue_task_fair
                          |          enqueue_task
                          |          activate_task
                          |          try_to_wake_up
                          |          wake_up_state
                          |          signal_wake_up
                          |          complete_signal
                          |          __send_signal
                          |          send_signal
                          |          do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --18.51%-- 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

     0.53%  postgres  postgres                       [.] int64_to_numericvar                      
            |
            --- int64_to_numericvar

     0.53%  postgres  postgres                       [.] init_var_from_num                        
            |
            --- init_var_from_num
               |          
               |--59.66%-- slot_getsomeattrs
               |          
                --40.34%-- 0x0

     0.53%  postgres  [kernel.kallsyms]              [k] copy_user_generic_string                 
            |
            --- copy_user_generic_string
                file_read_actor
                generic_file_aio_read
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.51%  postgres  [kernel.kallsyms]              [k] sys_kill                                 
            |
            --- sys_kill
               |          
               |--81.91%-- system_call
               |          __GI___kill
               |          
                --18.09%-- __GI___kill

     0.49%  postgres  [kernel.kallsyms]              [k] rb_end_commit                            
            |
            --- rb_end_commit
               |          
               |--89.35%-- ring_buffer_unlock_commit
               |          trace_nowake_buffer_unlock_commit
               |          |          
               |          |--38.23%-- 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
               |          |          
               |          |--30.46%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--28.54%-- 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
               |          |          
               |          |--1.66%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.67%-- 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
               |          |          |          |          |          
               |          |          |          |          |--50.01%-- do_send_sig_info
               |          |          |          |          |          group_send_sig_info
               |          |          |          |          |          kill_pid_info
               |          |          |          |          |          sys_kill
               |          |          |          |          |          system_call
               |          |          |          |          |          __GI___kill
               |          |          |          |          |          
               |          |          |          |           --49.99%-- advance_transition_function
               |          |          |          |          
               |          |          |           --49.99%-- run_local_timers
               |          |          |                     update_process_times
               |          |          |                     tick_sched_timer
               |          |          |                     __run_hrtimer
               |          |          |                     hrtimer_interrupt
               |          |          |                     smp_apic_timer_interrupt
               |          |          |                     apic_timer_interrupt
               |          |          |                     |          
               |          |          |                     |--50.01%-- bpchareq
               |          |          |                     |          
               |          |          |                      --49.99%-- do_send_sig_info
               |          |          |                                group_send_sig_info
               |          |          |                                kill_pid_info
               |          |          |                                sys_kill
               |          |          |                                system_call
               |          |          |                                __GI___kill
               |          |          |          
               |          |          |--16.67%-- 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
               |          |          |          
               |          |           --16.66%-- ftrace_raw_event_softirq_entry
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     bpcharle
               |          |          
               |           --1.11%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     |          
               |                     |--74.99%-- enqueue_entity
               |                     |          enqueue_task_fair
               |                     |          enqueue_task
               |                     |          activate_task
               |                     |          try_to_wake_up
               |                     |          wake_up_state
               |                     |          signal_wake_up
               |                     |          complete_signal
               |                     |          __send_signal
               |                     |          send_signal
               |                     |          do_send_sig_info
               |                     |          group_send_sig_info
               |                     |          kill_pid_info
               |                     |          sys_kill
               |                     |          system_call
               |                     |          __GI___kill
               |                     |          
               |                      --25.01%-- task_tick_fair
               |                                scheduler_tick
               |                                update_process_times
               |                                tick_sched_timer
               |                                __run_hrtimer
               |                                hrtimer_interrupt
               |                                smp_apic_timer_interrupt
               |                                apic_timer_interrupt
               |                                hash_search_with_hash_value
               |          
                --10.65%-- trace_nowake_buffer_unlock_commit
                          |          
                          |--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
                          |          
                          |--34.89%-- 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
                          |          
                          |--25.58%-- 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
                          |          
                           --2.32%-- ftrace_raw_event_id_softirq
                                     ftrace_raw_event_softirq_entry
                                     __do_softirq
                                     call_softirq
                                     do_softirq
                                     irq_exit
                                     smp_apic_timer_interrupt
                                     apic_timer_interrupt
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

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

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

     0.48%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_stat_template  
            |
            --- ftrace_raw_event_id_sched_stat_template
               |          
               |--97.47%-- 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
               |          
                --2.53%-- 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

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

     0.47%  postgres  [kernel.kallsyms]              [k] send_signal                              
            |
            --- send_signal
               |          
               |--95.35%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --4.65%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.46%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit                
            |
            --- ring_buffer_unlock_commit
               |          
               |--82.18%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--36.88%-- 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
               |          |          
               |          |--35.60%-- 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
               |          |          
               |          |--25.91%-- 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
               |          |          
               |          |--0.97%-- ftrace_raw_event_id_softirq
               |          |          |          
               |          |          |--66.69%-- ftrace_raw_event_softirq_entry
               |          |          |          __do_softirq
               |          |          |          call_softirq
               |          |          |          do_softirq
               |          |          |          irq_exit
               |          |          |          smp_apic_timer_interrupt
               |          |          |          apic_timer_interrupt
               |          |          |          |          
               |          |          |          |--50.01%-- memcpy
               |          |          |          |          
               |          |          |           --49.99%-- do_send_sig_info
               |          |          |                     group_send_sig_info
               |          |          |                     kill_pid_info
               |          |          |                     sys_kill
               |          |          |                     system_call
               |          |          |                     __GI___kill
               |          |          |          
               |          |           --33.31%-- ftrace_raw_event_softirq_exit
               |          |                     __do_softirq
               |          |                     call_softirq
               |          |                     do_softirq
               |          |                     irq_exit
               |          |                     smp_apic_timer_interrupt
               |          |                     apic_timer_interrupt
               |          |                     slot_getsomeattrs
               |          |          
               |           --0.65%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     |          
               |                     |--50.00%-- 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
               |                     |          
               |                      --50.00%-- 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
               |          
               |--9.31%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--4.52%-- 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
               |          
                --3.99%-- ftrace_raw_event_signal_generate
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.46%  postgres  [kernel.kallsyms]              [k] pid_vnr                                  
            |
            --- pid_vnr
               |          
               |--98.40%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.33%-- system_call
               |          __GI___kill
                --0.27%-- [...]

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

     0.44%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                      
            |
            --- audit_syscall_entry
               |          
               |--93.62%-- auditsys
               |          |          
               |          |--97.62%-- __GI___kill
               |          |          
               |          |--1.49%-- __GI___libc_read
               |          |          
               |           --0.89%-- __GI___libc_lseek64
               |          
                --6.38%-- __GI___kill

     0.42%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_signal_generate         
            |
            --- ftrace_raw_event_signal_generate
               |          
               |--84.34%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --15.66%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.41%  postgres  postgres                       [.] palloc                                   
            |
            --- palloc
               |          
               |--17.41%-- networkjoinsel
                --82.59%-- [...]

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

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

     0.37%  postgres  [kernel.kallsyms]              [k] do_send_sig_info                         
            |
            --- do_send_sig_info
               |          
               |--97.67%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --2.33%-- kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.36%  postgres  postgres                       [.] TupleHashTableHash                       
            |
            --- TupleHashTableHash
               |          
               |--24.19%-- 0x1d72000
               |          
               |--0.34%-- 0x1d74de0
                --75.47%-- [...]

     0.36%  postgres  postgres                       [.] int4_sum                                 
            |
            --- int4_sum

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

     0.35%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit        
            |
            --- trace_nowake_buffer_unlock_commit
               |          
               |--59.17%-- 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
               |          
               |--17.65%-- ftrace_raw_event_id_sched_stat_template
               |          ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.26%-- 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
               |          
               |--3.11%-- 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
               |          
               |--2.77%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--0.69%-- 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
                --0.35%-- [...]

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

     0.35%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_wakeup_template
            |
            --- ftrace_raw_event_id_sched_wakeup_template
               |          
               |--96.10%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          |          
               |          |--99.63%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |           --0.37%-- [...]
               |          
                --3.90%-- try_to_wake_up
                          wake_up_state
                          signal_wake_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                       [.] fetch_input_tuple                        
            |
            --- fetch_input_tuple

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

     0.33%  postgres  [kernel.kallsyms]              [k] native_sched_clock                       
            |
            --- native_sched_clock
               |          
               |--74.91%-- sched_clock
               |          |          
               |          |--80.30%-- trace_clock_local
               |          |          |          
               |          |          |--98.77%-- rb_reserve_next_event
               |          |          |          ring_buffer_lock_reserve
               |          |          |          trace_buffer_lock_reserve
               |          |          |          trace_current_buffer_lock_reserve
               |          |          |          |          
               |          |          |          |--40.37%-- 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_signal_generate
               |          |          |          |          __send_signal
               |          |          |          |          send_signal
               |          |          |          |          do_send_sig_info
               |          |          |          |          group_send_sig_info
               |          |          |          |          kill_pid_info
               |          |          |          |          sys_kill
               |          |          |          |          system_call
               |          |          |          |          __GI___kill
               |          |          |          |          
               |          |          |          |--28.57%-- 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
               |          |          |          |          
               |          |          |          |--1.24%-- ftrace_raw_event_id_softirq
               |          |          |          |          |          
               |          |          |          |          |--50.00%-- ftrace_raw_event_softirq_entry
               |          |          |          |          |          __do_softirq
               |          |          |          |          |          call_softirq
               |          |          |          |          |          do_softirq
               |          |          |          |          |          irq_exit
               |          |          |          |          |          smp_apic_timer_interrupt
               |          |          |          |          |          apic_timer_interrupt
               |          |          |          |          |          bpchareq
               |          |          |          |          |          
               |          |          |          |           --50.00%-- 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
               |          |          |          |          
               |          |          |           --0.62%-- ftrace_raw_event_sched_stat_runtime
               |          |          |                     update_curr
               |          |          |                     enqueue_entity
               |          |          |                     enqueue_task_fair
               |          |          |                     enqueue_task
               |          |          |                     activate_task
               |          |          |                     try_to_wake_up
               |          |          |                     wake_up_state
               |          |          |                     signal_wake_up
               |          |          |                     complete_signal
               |          |          |                     __send_signal
               |          |          |                     send_signal
               |          |          |                     do_send_sig_info
               |          |          |                     group_send_sig_info
               |          |          |                     kill_pid_info
               |          |          |                     sys_kill
               |          |          |                     system_call
               |          |          |                     __GI___kill
               |          |          |          
               |          |           --1.23%-- __rb_reserve_next
               |          |                     rb_reserve_next_event
               |          |                     ring_buffer_lock_reserve
               |          |                     trace_buffer_lock_reserve
               |          |                     trace_current_buffer_lock_reserve
               |          |                     |          
               |          |                     |--50.01%-- 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
               |          |                     |          
               |          |                      --49.99%-- ftrace_raw_event_id_sched_wakeup_template
               |          |                                ftrace_raw_event_sched_wakeup
               |          |                                try_to_wake_up
               |          |                                wake_up_state
               |          |                                signal_wake_up
               |          |                                complete_signal
               |          |                                __send_signal
               |          |                                send_signal
               |          |                                do_send_sig_info
               |          |                                group_send_sig_info
               |          |                                kill_pid_info
               |          |                                sys_kill
               |          |                                system_call
               |          |                                __GI___kill
               |          |          
               |           --19.70%-- sched_clock_cpu
               |                     update_rq_clock
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
               |--16.61%-- trace_clock_local
               |          rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--35.56%-- 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
               |          |          
               |          |--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
               |          |          
               |           --31.12%-- ftrace_raw_event_id_sched_stat_template
               |                     ftrace_raw_event_sched_stat_sleep
               |                     enqueue_entity
               |                     enqueue_task_fair
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --8.49%-- 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

     0.33%  postgres  [kernel.kallsyms]              [k] update_rq_clock                          
            |
            --- update_rq_clock
               |          
               |--94.79%-- 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
               |          
                --5.21%-- activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.33%  postgres  [kernel.kallsyms]              [k] select_idle_sibling                      
            |
            --- select_idle_sibling
               |          
               |--68.66%-- 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
               |          
                --31.34%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.32%  postgres  [kernel.kallsyms]              [k] task_rq_lock                             
            |
            --- task_rq_lock
               |          
               |--95.06%-- try_to_wake_up
               |          |          
               |          |--99.20%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --0.80%-- wake_up_process
               |                     update_queue
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --4.94%-- wake_up_state
                          signal_wake_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  postgres                       [.] int8_avg_accum                           
            |
            --- int8_avg_accum

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

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

     0.29%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve        
            |
            --- trace_current_buffer_lock_reserve
               |          
               |--63.71%-- 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
               |          
               |--15.19%-- 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
               |          
               |--7.17%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--6.75%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--4.64%-- 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
               |          
               |--2.11%-- 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
                --0.42%-- [...]

     0.29%  postgres  [kernel.kallsyms]              [k] check_preempt_curr                       
            |
            --- check_preempt_curr
               |          
               |--96.57%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --3.43%-- 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

     0.28%  postgres  libc-2.12.so                   [.] __gettimeofday                           
            |
            --- __gettimeofday

     0.28%  postgres  [kernel.kallsyms]              [k] group_send_sig_info                      
            |
            --- group_send_sig_info
               |          
               |--90.31%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.69%-- sys_kill
                          system_call
                          __GI___kill

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

     0.27%  postgres  [kernel.kallsyms]              [k] find_pid_ns                              
            |
            --- find_pid_ns
               |          
               |--86.77%-- find_vpid
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --13.23%-- sys_kill
                          system_call
                          __GI___kill

     0.26%  postgres  [kernel.kallsyms]              [k] kill_pid_info                            
            |
            --- kill_pid_info
               |          
               |--92.52%-- sys_kill
               |          system_call
               |          __GI___kill
               |          
                --7.48%-- system_call
                          __GI___kill

     0.26%  postgres  [kernel.kallsyms]              [k] effective_load                           
            |
            --- effective_load
               |          
               |--59.53%-- 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
               |          
                --40.47%-- try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.25%  postgres  [kernel.kallsyms]              [k] sysret_check                             
            |
            --- sysret_check
               |          
               |--97.54%-- __GI___kill
               |          
               |--1.48%-- __GI___libc_lseek64
               |          
                --0.99%-- __GI___libc_read

     0.24%  postgres  postgres                       [.] heap_page_prune_opt                      
            |
            --- heap_page_prune_opt

     0.23%  postgres  postgres                       [.] FunctionCall1Coll                        
            |
            --- FunctionCall1Coll

     0.23%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock                   
            |
            --- trace_recursive_unlock
               |          
               |--69.98%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--53.35%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--23.33%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--21.07%-- 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
               |          |          
               |           --2.26%-- 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
               |                                group_send_sig_info
               |                                kill_pid_info
               |                                sys_kill
               |                                system_call
               |                                __GI___kill
               |          
                --30.02%-- ring_buffer_unlock_commit
                          trace_nowake_buffer_unlock_commit
                          |          
                          |--40.35%-- 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
                          |          
                          |--31.58%-- 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
                          |          
                          |--26.31%-- 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
                          |          
                           --1.75%-- ftrace_raw_event_id_softirq
                                     ftrace_raw_event_softirq_entry
                                     __do_softirq
                                     call_softirq
                                     do_softirq
                                     irq_exit
                                     smp_apic_timer_interrupt
                                     apic_timer_interrupt
                                     do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

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

     0.23%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data                   
            |
            --- ring_buffer_event_data
               |          
               |--28.19%-- trace_current_buffer_lock_reserve
               |          |          
               |          |--37.74%-- 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
               |          |          
               |          |--35.85%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--24.53%-- ftrace_raw_event_signal_generate
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --1.89%-- 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
               |                     fetch_input_tuple
               |          
               |--23.40%-- trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--43.18%-- ftrace_raw_event_id_sched_stat_template
               |          |          ftrace_raw_event_sched_stat_sleep
               |          |          enqueue_entity
               |          |          enqueue_task_fair
               |          |          enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--27.28%-- 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
               |          |          
               |          |--27.27%-- 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
               |          |          
               |           --2.27%-- ftrace_raw_event_sched_stat_runtime
               |                     update_curr
               |                     enqueue_entity
               |                     enqueue_task_fair
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     wake_up_state
               |                     signal_wake_up
               |                     complete_signal
               |                     __send_signal
               |                     send_signal
               |                     do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
               |--10.11%-- 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
               |          
               |--9.04%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--8.51%-- 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
               |          
               |--7.98%-- 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
               |          
               |--6.38%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --6.38%-- 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

     0.23%  postgres  postgres                       [.] LookupTupleHashEntry                     
            |
            --- LookupTupleHashEntry
               |          
               |--81.08%-- 0x1d4108000000000
                --18.92%-- [...]

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

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

     0.21%  postgres  postgres                       [.] int8_numeric                             
            |
            --- int8_numeric

     0.20%  postgres  postgres                       [.] add_var                                  
            |
            --- add_var
               |          
               |--42.52%-- 0x0
                --57.48%-- [...]

     0.20%  postgres  postgres                       [.] DirectFunctionCall1Coll                  
            |
            --- DirectFunctionCall1Coll

     0.20%  postgres  [kernel.kallsyms]              [k] rb_insert_color                          
            |
            --- rb_insert_color
               |          
               |--89.63%-- 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
               |          
                --10.37%-- enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.20%  postgres  postgres                       [.] FunctionCall2Coll                        
            |
            --- FunctionCall2Coll

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

     0.19%  postgres  [kernel.kallsyms]              [k] __list_add                               
            |
            --- __list_add
               |          
               |--54.19%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--34.20%-- 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
               |          
               |--5.81%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --5.81%-- 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

     0.18%  postgres  [kernel.kallsyms]              [k] task_active_pid_ns                       
            |
            --- task_active_pid_ns
               |          
               |--94.67%-- send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --5.33%-- do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.18%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                        
            |
            --- update_cfs_shares
               |          
               |--89.26%-- 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
               |          
               |--10.07%-- 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
               |          
                --0.67%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          add_abs

     0.18%  postgres  [kernel.kallsyms]              [k] prepare_signal                           
            |
            --- prepare_signal
               |          
               |--91.24%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --8.76%-- send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.18%  postgres  [kernel.kallsyms]              [k] enqueue_task_fair                        
            |
            --- enqueue_task_fair
               |          
               |--90.27%-- enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --9.73%-- 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                       [.] ExecQual                                 
            |
            --- ExecQual

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

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

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

     0.13%  postgres  [kernel.kallsyms]              [k] kfree                                    
            |
            --- kfree
               |          
               |--56.49%-- __audit_syscall_exit
               |          sysret_audit
               |          |          
               |          |--98.36%-- __GI___kill
               |          |          
               |           --1.64%-- __GI___libc_read
               |          
                --43.51%-- sysret_audit
                          |          
                          |--97.87%-- __GI___kill
                          |          
                           --2.13%-- __GI___semop

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

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

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

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

     0.12%  postgres  [kernel.kallsyms]              [k] update_cfs_load                          
            |
            --- update_cfs_load
               |          
               |--93.94%-- 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
               |          
               |--5.05%-- 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
               |          
                --1.01%-- dequeue_task_fair
                          dequeue_task
                          deactivate_task
                          thread_return
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

     0.12%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard             
            |
            --- filter_current_check_discard
               |          
               |--22.68%-- 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
               |          
               |--19.59%-- 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
               |          
               |--15.47%-- 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
               |          
               |--12.37%-- ftrace_raw_event_sched_wakeup
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--12.37%-- ftrace_raw_event_sched_stat_sleep
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--8.25%-- __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.15%-- ftrace_raw_event_id_softirq
               |          |          
               |          |--80.00%-- ftrace_raw_event_softirq_raise
               |          |          raise_softirq
               |          |          run_local_timers
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--25.01%-- do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--25.00%-- AllocSetAlloc
               |          |          |          
               |          |          |--25.00%-- advance_aggregates
               |          |          |          
               |          |           --24.99%-- heap_getnext
               |          |          
               |           --20.00%-- 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
               |          
               |--2.06%-- ftrace_raw_event_softirq_entry
               |          __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.02%-- do_numeric_accum
               |          |          
               |           --49.98%-- SetLatch
               |          
               |--1.03%-- update_curr
               |          enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --1.03%-- 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

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

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

     0.11%  postgres  postgres                       [.] heap_copytuple                           
            |
            --- heap_copytuple
               |          
               |--64.02%-- networkjoinsel
                --35.98%-- [...]

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

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

     0.10%  postgres  [kernel.kallsyms]              [k] current_kernel_time                      
            |
            --- current_kernel_time
               |          
               |--55.09%-- auditsys
               |          |          
               |          |--95.45%-- __GI___kill
               |          |          
               |          |--2.27%-- __GI___libc_lseek64
               |          |          
               |           --2.27%-- __GI___libc_read
               |          
                --44.91%-- audit_syscall_entry
                          auditsys
                          |          
                          |--97.21%-- __GI___kill
                          |          
                           --2.79%-- __GI___libc_lseek64

     0.10%  postgres  [kernel.kallsyms]              [k] account_entity_enqueue                   
            |
            --- account_entity_enqueue
               |          
               |--89.87%-- 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
               |          
                --10.13%-- 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

     0.10%  postgres  [kernel.kallsyms]              [k] ret_from_sys_call                        
            |
            --- ret_from_sys_call
                __GI___kill

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

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

     0.08%  postgres  [kernel.kallsyms]              [k] place_entity                             
            |
            --- place_entity
               |          
               |--76.81%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          |          
               |          |--98.12%-- wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --1.88%-- wake_up_process
               |                     update_queue
               |                     sys_semtimedop
               |                     sys_semop
               |                     system_call
               |                     __GI___semop
               |          
                --23.19%-- enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.08%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                         
            |
            --- unroll_tree_refs
               |          
               |--85.94%-- __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --14.06%-- sysret_audit
                          |          
                          |--77.80%-- __GI___kill
                          |          
                          |--11.11%-- __GI___libc_read
                          |          
                           --11.09%-- __GI___libc_lseek64

     0.08%  postgres  postgres                       [.] hash_search                              
            |
            --- hash_search
               |          
               |--52.43%-- 0x1d4108000000000
               |          
                --47.57%-- 0x1d72000

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

     0.07%  postgres  [kernel.kallsyms]              [k] wake_up_state                            
            |
            --- wake_up_state
               |          
               |--71.70%-- complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --28.30%-- signal_wake_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                       [.] check_stack_depth                        
            |
            --- check_stack_depth

     0.06%  postgres  [kernel.kallsyms]              [k] sched_clock                              
            |
            --- sched_clock
               |          
               |--77.36%-- rb_reserve_next_event
               |          ring_buffer_lock_reserve
               |          trace_buffer_lock_reserve
               |          trace_current_buffer_lock_reserve
               |          |          
               |          |--39.02%-- 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
               |          |          
               |          |--31.71%-- 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
               |          |          
               |           --29.27%-- 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
               |          
               |--18.87%-- update_rq_clock
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--1.89%-- __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
               |          
                --1.89%-- 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

     0.06%  postgres  [kernel.kallsyms]              [k] auditsys                                 
            |
            --- auditsys
               |          
               |--98.12%-- __GI___kill
               |          
                --1.88%-- __GI___libc_read

     0.06%  postgres  [kernel.kallsyms]              [k] find_get_page                            
            |
            --- find_get_page
               |          
               |--96.22%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --3.78%-- do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

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

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

     0.06%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_sleep        
            |
            --- ftrace_raw_event_sched_stat_sleep
               |          
               |--81.64%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --18.36%-- enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     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  postgres                       [.] pgstat_end_function_usage                
            |
            --- pgstat_end_function_usage
               |          
               |--2.23%-- 0x2e3f800497ac1
               |          
               |--2.22%-- 0xb2fd300497ac1
               |          
               |--2.22%-- 0x13589800497ac1
               |          
               |--2.22%-- 0xe5a0f00497ac1
               |          
               |--2.22%-- 0x13223600497ac1
               |          
               |--2.22%-- 0x1779cf00497ac1
               |          
               |--2.22%-- 0xb9cb100497ac1
               |          
               |--2.22%-- 0x10d32700497ac1
               |          
               |--2.22%-- 0x6e49700497ac1
               |          
               |--2.22%-- 0xe6b1c00497ac1
               |          
               |--2.22%-- 0xcbddb00497ac1
               |          
               |--2.22%-- 0x11eebf00497ac1
               |          
               |--2.22%-- 0xc2cf600497ac1
               |          
               |--2.22%-- 0xc2cfe00497ac1
               |          
               |--2.22%-- 0xcbb0f00497ac1
               |          
               |--2.22%-- 0x116ebc00497ac1
               |          
               |--2.22%-- 0xc2cf200497ac1
               |          
               |--2.20%-- 0xc2ceb00497ac1
               |          
               |--2.20%-- 0xc2cfd00497ac1
                --57.81%-- [...]

     0.05%  postgres  [kernel.kallsyms]              [k] sched_clock_cpu                          
            |
            --- sched_clock_cpu
               |          
               |--80.91%-- update_rq_clock
               |          |          
               |          |--97.06%-- enqueue_task
               |          |          activate_task
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --2.94%-- scheduler_tick
               |                     update_process_times
               |                     tick_sched_timer
               |                     __run_hrtimer
               |                     hrtimer_interrupt
               |                     smp_apic_timer_interrupt
               |                     apic_timer_interrupt
               |                     HeapTupleSatisfiesMVCC
               |          
                --19.09%-- enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.05%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                       
            |
            --- ftrace_trace_stack
               |          
               |--30.95%-- ftrace_raw_event_signal_generate
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--26.19%-- 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
               |          
               |--26.19%-- trace_nowake_buffer_unlock_commit
               |          |          
               |          |--36.37%-- ftrace_raw_event_id_sched_wakeup_template
               |          |          ftrace_raw_event_sched_wakeup
               |          |          try_to_wake_up
               |          |          wake_up_state
               |          |          signal_wake_up
               |          |          complete_signal
               |          |          __send_signal
               |          |          send_signal
               |          |          do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--36.35%-- 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
               |          |          
               |           --27.27%-- 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
               |          
                --16.67%-- ftrace_raw_event_id_sched_stat_template
                          ftrace_raw_event_sched_stat_sleep
                          enqueue_entity
                          enqueue_task_fair
                          enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.05%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_wakeup            
            |
            --- ftrace_raw_event_sched_wakeup
               |          
               |--78.56%-- 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
               |          
                --21.44%-- 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

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

     0.05%  postgres  postgres                       [.] UnpinBuffer.clone.0                      
            |
            --- UnpinBuffer.clone.0

     0.05%  postgres  [kernel.kallsyms]              [k] pid_task                                 
            |
            --- pid_task
               |          
               |--55.26%-- kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --44.74%-- sys_kill
                          system_call
                          __GI___kill

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

     0.04%  postgres  [kernel.kallsyms]              [k] path_put                                 
            |
            --- path_put
               |          
               |--70.59%-- __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --29.41%-- sysret_audit
                          __GI___kill

     0.04%  postgres  [kernel.kallsyms]              [k] activate_task                            
            |
            --- activate_task
               |          
               |--62.07%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --37.93%-- try_to_wake_up
                          wake_up_state
                          signal_wake_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] find_vpid                                
            |
            --- find_vpid
               |          
               |--50.10%-- system_call
               |          __GI___kill
               |          
                --49.90%-- sys_kill
                          system_call
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] task_of                                  
            |
            --- task_of
               |          
               |--64.00%-- 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
               |          
                --36.00%-- 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] dput                                     
            |
            --- dput
               |          
               |--72.01%-- path_put
               |          __audit_syscall_exit
               |          sysret_audit
               |          __GI___kill
               |          
                --27.99%-- __audit_syscall_exit
                          sysret_audit
                          __GI___kill

     0.03%  postgres  [kernel.kallsyms]              [k] sysret_signal                            
            |
            --- sysret_signal
                __GI___kill

     0.03%  postgres  postgres                       [.] memcpy@plt                               
            |
            --- memcpy@plt
               |          
               |--27.98%-- networkjoinsel
                --72.02%-- [...]

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

     0.03%  postgres  postgres                       [.] gettimeofday@plt                         
            |
            --- gettimeofday@plt

     0.02%  postgres  [kernel.kallsyms]              [k] security_task_kill                       
            |
            --- security_task_kill
               |          
               |--55.00%-- check_kill_permission
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --45.00%-- group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

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

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

     0.02%  postgres  [kernel.kallsyms]              [k] scheduler_tick                           
            |
            --- scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--41.18%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.88%-- MemoryContextReset
               |          
               |--5.88%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--5.88%-- ExecAgg
               |          
               |--5.88%-- slot_deform_tuple
               |          
               |--5.88%-- do_numeric_accum
               |          
               |--5.88%-- bpchareq
               |          
               |--5.88%-- hash_search_with_hash_value
               |          
               |--5.88%-- init_var_from_num
               |          
               |--5.88%-- add_abs
               |          
                --5.88%-- __GI___libc_lseek64

     0.02%  postgres  [kernel.kallsyms]              [k] radix_tree_lookup_slot                   
            |
            --- radix_tree_lookup_slot
               |          
               |--88.23%-- find_get_page
               |          generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --11.77%-- generic_file_aio_read
                          do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

     0.02%  postgres  [ext4]                         [k] ext4_llseek                              
            |
            --- ext4_llseek
                vfs_llseek
                sys_lseek
                system_call
                __GI___libc_lseek64

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

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

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

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

     0.02%  postgres  [kernel.kallsyms]              [k] tracesys                                 
            |
            --- tracesys
               |          
               |--92.85%-- __GI___kill
               |          
                --7.15%-- __GI___libc_read

     0.02%  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

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

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                                
            |
            --- ktime_get
               |          
               |--83.34%-- tick_sched_timer
               |          __run_hrtimer
               |          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%-- hash_search
               |          
                --16.66%-- tick_dev_program_event
                          tick_program_event
                          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%-- init_var_from_num

     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                             
            |
            --- __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--58.33%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--8.34%-- bcTruelen
               |          
               |--8.33%-- shm_mq_receive
               |          
               |--8.33%-- system_call
               |          __GI___kill
               |          
               |--8.33%-- ExecStoreMinimalTuple
               |          
                --8.33%-- slot_deform_tuple

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] vfs_read                                 
            |
            --- vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt                     
            |
            --- apic_timer_interrupt
               |          
               |--45.44%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--18.19%-- shm_mq_receive
               |          
               |--9.09%-- hash_any
               |          
               |--9.09%-- bcTruelen
               |          
               |--9.09%-- SetLatch
               |          
                --9.09%-- slot_deform_tuple

     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                       [.] TransactionIdPrecedes                    
            |
            --- TransactionIdPrecedes

     0.01%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe                    
            |
            --- native_write_msr_safe
               |          
               |--79.98%-- 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
               |          |          
               |          |--75.01%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--12.50%-- slot_deform_tuple
               |          |          
               |           --12.50%-- TupleQueueFunnelNext
               |          
               |--10.02%-- intel_pmu_enable_all
               |          x86_pmu_enable
               |          perf_pmu_enable
               |          |          
               |          |--99.74%-- perf_adjust_freq_unthr_context
               |          |          perf_event_task_tick
               |          |          scheduler_tick
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          shm_mq_inc_bytes_read
               |           --0.26%-- [...]
               |          
                --10.00%-- 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
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

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

     0.01%  postgres  [kernel.kallsyms]              [k] check_preempt_wakeup                     
            |
            --- check_preempt_wakeup
               |          
               |--59.99%-- try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --40.01%-- check_preempt_curr
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] find_next_bit                            
            |
            --- find_next_bit
               |          
               |--80.00%-- 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
               |          
                --20.00%-- cpumask_next_and
                          |          
                          |--50.01%-- select_idle_sibling
                          |          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
                          |          
                           --49.99%-- find_busiest_group
                                     thread_return
                                     sys_semtimedop
                                     sys_semop
                                     system_call
                                     __GI___semop

     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get_update_offsets                 
            |
            --- ktime_get_update_offsets
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--88.89%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --11.11%-- ExecProject

     0.01%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                            
            |
            --- __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.36%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--11.12%-- heap_copytuple
               |          
               |--11.12%-- execTuplesMatch
               |          
               |--11.12%-- sysret_audit
               |          __GI___kill
               |          
               |--11.12%-- pfree
               |          
               |--11.11%-- add_abs
               |          
                --11.06%-- ExecMakeFunctionResultNoSets

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

     0.01%  postgres  [kernel.kallsyms]              [k] find_busiest_group                       
            |
            --- find_busiest_group
               |          
               |--88.87%-- thread_return
               |          sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
                --11.13%-- rebalance_domains
                          run_rebalance_domains
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bpchareq

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

     0.01%  postgres  [kernel.kallsyms]              [k] hrtick_start_fair                        
            |
            --- hrtick_start_fair
               |          
               |--62.49%-- enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --37.51%-- enqueue_task
                          activate_task
                          try_to_wake_up
                          wake_up_state
                          signal_wake_up
                          complete_signal
                          __send_signal
                          send_signal
                          do_send_sig_info
                          group_send_sig_info
                          kill_pid_info
                          sys_kill
                          system_call
                          __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] raise_softirq                            
            |
            --- raise_softirq
               |          
               |--50.00%-- run_local_timers
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--25.00%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--25.00%-- add_abs
               |          |          
               |          |--25.00%-- memcpy
               |          |          
               |           --25.00%-- slot_getattr
               |          
               |--37.50%-- rcu_check_callbacks
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--66.66%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --33.34%-- ExecStoreTuple
               |          
                --12.50%-- 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] rcu_process_gp_end                       
            |
            --- rcu_process_gp_end
               |          
               |--75.00%-- __rcu_process_callbacks
               |          rcu_process_callbacks
               |          __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
               |          |          
               |          |--16.67%-- int4_sum
               |          |          
               |          |--16.66%-- bpchareq
               |          |          
               |           --16.65%-- __GI___kill
               |          
                --25.00%-- rcu_process_callbacks
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.00%-- advance_transition_function
                          |          
                           --50.00%-- memcpy

     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
               |          
               |--49.99%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--12.51%-- add_abs
               |          
               |--12.51%-- free_var
               |          
               |--12.50%-- memcpy
               |          
                --12.50%-- slot_getsomeattrs

     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime      
            |
            --- ftrace_raw_event_sched_stat_runtime
               |          
               |--87.50%-- update_curr
               |          |          
               |          |--71.44%-- task_tick_fair
               |          |          scheduler_tick
               |          |          update_process_times
               |          |          tick_sched_timer
               |          |          __run_hrtimer
               |          |          hrtimer_interrupt
               |          |          smp_apic_timer_interrupt
               |          |          apic_timer_interrupt
               |          |          |          
               |          |          |--40.00%-- do_send_sig_info
               |          |          |          group_send_sig_info
               |          |          |          kill_pid_info
               |          |          |          sys_kill
               |          |          |          system_call
               |          |          |          __GI___kill
               |          |          |          
               |          |          |--20.01%-- slot_deform_tuple
               |          |          |          
               |          |          |--20.00%-- ExecClearTuple
               |          |          |          
               |          |           --19.99%-- shm_mq_inc_bytes_read
               |          |          
               |           --28.56%-- enqueue_entity
               |                     enqueue_task_fair
               |                     enqueue_task
               |                     activate_task
               |                     try_to_wake_up
               |                     |          
               |                     |--50.02%-- wake_up_state
               |                     |          signal_wake_up
               |                     |          complete_signal
               |                     |          __send_signal
               |                     |          send_signal
               |                     |          do_send_sig_info
               |                     |          group_send_sig_info
               |                     |          kill_pid_info
               |                     |          sys_kill
               |                     |          system_call
               |                     |          __GI___kill
               |                     |          
               |                      --49.98%-- wake_up_process
               |                                update_queue
               |                                sys_semtimedop
               |                                sys_semop
               |                                system_call
               |                                __GI___semop
               |          
                --12.50%-- put_prev_task_fair
                          schedule
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

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

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq              
            |
            --- ftrace_raw_event_id_softirq
               |          
               |--57.15%-- 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%-- heap_page_prune_opt
               |          
               |--28.57%-- 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%-- hash_search_with_hash_value
               |          |          
               |           --49.99%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --14.28%-- ftrace_raw_event_softirq_entry
                          __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          hash_search_with_hash_value

     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks                    
            |
            --- rcu_process_callbacks
               |          
               |--71.42%-- call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--40.01%-- do_send_sig_info
               |          |          group_send_sig_info
               |          |          kill_pid_info
               |          |          sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |          |--20.00%-- hash_search_with_hash_value
               |          |          
               |          |--20.00%-- memcpy
               |          |          
               |           --20.00%-- make_result
               |          
                --28.58%-- __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%-- 0x7fff59744830

     0.01%  postgres  [kernel.kallsyms]              [k] kick_process                             
            |
            --- kick_process
               |          
               |--71.43%-- signal_wake_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%-- 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] update_cpu_load                          
            |
            --- update_cpu_load
               |          
               |--71.43%-- scheduler_tick
               |          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
               |          |          
               |          |--20.00%-- add_abs
               |          |          
               |           --20.00%-- slot_getattr
               |          
                --28.57%-- update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.00%-- advance_transition_function
                          |          
                           --50.00%-- do_send_sig_info
                                     group_send_sig_info
                                     kill_pid_info
                                     sys_kill
                                     system_call
                                     __GI___kill

     0.01%  postgres  [kernel.kallsyms]              [k] sys_read                                 
            |
            --- sys_read
               |          
               |--85.71%-- system_call
               |          __GI___libc_read
               |          
                --14.29%-- __GI___libc_read

     0.01%  postgres  libc-2.12.so                   [.] __GI___libc_lseek64                      
            |
            --- __GI___libc_lseek64

     0.01%  postgres  [kernel.kallsyms]              [k] cache_alloc_refill                       
            |
            --- cache_alloc_refill
               |          
               |--57.10%-- 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
               |          
                --42.90%-- __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] rw_verify_area                           
            |
            --- rw_verify_area
               |          
               |--85.71%-- vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --14.29%-- sys_read
                          system_call
                          __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] fget_light                               
            |
            --- fget_light
               |          
               |--85.88%-- sys_lseek
               |          system_call
               |          __GI___libc_lseek64
               |          
                --14.12%-- sys_read
                          system_call
                          __GI___libc_read

     0.01%  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
               |          
               |--16.67%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.67%-- HeapTupleSatisfiesMVCC
               |          
               |--16.67%-- system_call
               |          __GI___kill
               |          
               |--16.67%-- slot_deform_tuple
               |          
               |--16.67%-- __gettimeofday
               |          
                --16.66%-- ExecStoreMinimalTuple

     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                        
            |
            --- run_timer_softirq
               |          
               |--50.01%-- __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%-- auditsys
               |                     __GI___kill
               |          
                --49.99%-- 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
                          |          
                          |--33.34%-- AllocSetAlloc
                          |          
                           --33.32%-- add_abs

     0.01%  postgres  [kernel.kallsyms]              [k] task_tick_fair                           
            |
            --- task_tick_fair
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.33%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.67%-- vread_tsc
               |          
               |--16.67%-- hash_search_with_hash_value
               |          
               |--16.66%-- TupleHashTableHash
               |          
                --16.66%-- 0x7fff59744830

     0.01%  postgres  [kernel.kallsyms]              [k] rb_erase                                 
            |
            --- rb_erase
                __remove_hrtimer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.31%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--16.67%-- TupleQueueFunnelNext
               |          
               |--16.67%-- hash_search_with_hash_value
               |          
               |--16.67%-- __GI___kill
               |          
                --16.67%-- vread_tsc

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

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

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

     0.01%  postgres  [kernel.kallsyms]              [k] inotify_inode_queue_event                
            |
            --- inotify_inode_queue_event
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.01%  postgres  [kernel.kallsyms]              [k] hrtimer_run_pending                      
            |
            --- hrtimer_run_pending
               |          
               |--60.07%-- run_timer_softirq
               |          __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%-- ExecProcNode
               |          
                --39.93%-- __do_softirq
                          call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.12%-- do_send_sig_info
                          |          group_send_sig_info
                          |          kill_pid_info
                          |          sys_kill
                          |          system_call
                          |          __GI___kill
                          |          
                           --49.88%-- advance_transition_function

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

     0.01%  postgres  [kernel.kallsyms]              [k] set_task_cpu                             
            |
            --- set_task_cpu
                try_to_wake_up
               |          
               |--80.16%-- wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --19.84%-- wake_up_process
                          hrtimer_wakeup
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          do_numeric_accum

     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_interrupt                        
            |
            --- hrtimer_interrupt
                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%-- LookupTupleHashEntry

     0.00%  postgres  [kernel.kallsyms]              [k] enqueue_hrtimer                          
            |
            --- enqueue_hrtimer
                __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%-- __memcmp_sse4_1
               |          
                --25.00%-- slot_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] __rcu_pending                            
            |
            --- __rcu_pending
                rcu_check_callbacks
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--25.01%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
               |--25.00%-- varstr_cmp
               |          
               |--24.99%-- group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --24.99%-- bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] account_cfs_rq_runtime                   
            |
            --- account_cfs_rq_runtime
                update_curr
               |          
               |--74.99%-- enqueue_entity
               |          enqueue_task_fair
               |          enqueue_task
               |          activate_task
               |          try_to_wake_up
               |          wake_up_state
               |          signal_wake_up
               |          complete_signal
               |          __send_signal
               |          send_signal
               |          do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --25.01%-- task_tick_fair
                          scheduler_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          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
               |          
               |--25.01%-- do_numeric_accum
               |          
               |--25.01%-- __gettimeofday
               |          
               |--25.01%-- MemoryContextResetOnly
               |          
                --24.97%-- ExecProject

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] clear_page_c                             
            |
            --- clear_page_c
                __alloc_pages_nodemask
                alloc_pages_vma
                handle_pte_fault
               |          
               |--75.01%-- handle_mm_fault
               |          __do_page_fault
               |          do_page_fault
               |          page_fault
               |          |          
               |          |--66.66%-- AllocSetAlloc
               |          |          
               |           --33.34%-- element_alloc
               |          
                --24.99%-- do_huge_pmd_anonymous_page
                          handle_mm_fault
                          __do_page_fault
                          do_page_fault
                          page_fault
                          _int_malloc

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] acct_update_integrals                    
            |
            --- acct_update_integrals
               |          
               |--50.10%-- account_system_time
               |          account_process_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          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%-- auditsys
               |                     __GI___kill
               |          
                --49.90%-- account_user_time
                          account_process_tick
                          update_process_times
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          |          
                          |--50.24%-- shm_mq_inc_bytes_read
                          |          
                           --49.76%-- ExecEvalScalarVarFast

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

     0.00%  postgres  libc-2.12.so                   [.] vfprintf                                 
            |
            --- vfprintf
                _IO_vsnprintf

     0.00%  postgres  [kernel.kallsyms]              [k] force_quiescent_state                    
            |
            --- force_quiescent_state
                __rcu_process_callbacks
                rcu_process_callbacks
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- do_numeric_accum
               |          
               |--33.34%-- hash_search_with_hash_value
               |          
                --33.33%-- heap_getnext

     0.00%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write                    
            |
            --- native_apic_mem_write
               |          
               |--66.66%-- apic_timer_interrupt
               |          |          
               |          |--50.01%-- sys_kill
               |          |          system_call
               |          |          __GI___kill
               |          |          
               |           --49.99%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --33.34%-- lapic_next_event
                          clockevents_program_event
                          tick_dev_program_event
                          tick_program_event
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          FunctionCall1Coll

     0.00%  postgres  [kernel.kallsyms]              [k] smp_apic_timer_interrupt                 
            |
            --- smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--33.34%-- hash_search_with_hash_value
               |          
               |--33.33%-- advance_aggregates
               |          
                --33.33%-- do_numeric_accum

     0.00%  postgres  [kernel.kallsyms]              [k] account_process_tick                     
            |
            --- account_process_tick
               |          
               |--66.67%-- update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.01%-- ExecStoreMinimalTuple
               |          |          
               |           --49.99%-- do_send_sig_info
               |                     group_send_sig_info
               |                     kill_pid_info
               |                     sys_kill
               |                     system_call
               |                     __GI___kill
               |          
                --33.33%-- tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          ExecFunnel

     0.00%  postgres  [kernel.kallsyms]              [k] idle_cpu                                 
            |
            --- idle_cpu
                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%-- execTuplesMatch

     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
               |          
               |--66.67%-- do_send_sig_info
               |          group_send_sig_info
               |          kill_pid_info
               |          sys_kill
               |          system_call
               |          __GI___kill
               |          
                --33.33%-- ExecProject

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

     0.00%  postgres  [kernel.kallsyms]              [k] tick_do_update_jiffies64                 
            |
            --- tick_do_update_jiffies64
               |          
               |--66.65%-- __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%-- init_var_from_num
               |          
                --33.35%-- tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          alloc_var

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_bh_qs                                
            |
            --- rcu_bh_qs
               |          
               |--66.65%-- __do_softirq
               |          call_softirq
               |          do_softirq
               |          irq_exit
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          |          
               |          |--50.02%-- int4_sum
               |          |          
               |           --49.98%-- hash_search_with_hash_value
               |          
                --33.35%-- call_softirq
                          do_softirq
                          irq_exit
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] _cond_resched                            
            |
            --- _cond_resched
               |          
               |--66.66%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --33.34%-- mutex_lock
                          ext4_llseek
                          vfs_llseek
                          sys_lseek
                          system_call
                          __GI___libc_lseek64

     0.00%  postgres  [kernel.kallsyms]              [k] sys_lseek                                
            |
            --- sys_lseek
                __GI___libc_lseek64

     0.00%  postgres  [kernel.kallsyms]              [k] generic_segment_checks                   
            |
            --- generic_segment_checks
               |          
               |--66.66%-- generic_file_aio_read
               |          do_sync_read
               |          vfs_read
               |          sys_read
               |          system_call
               |          __GI___libc_read
               |          
                --33.34%-- do_sync_read
                          vfs_read
                          sys_read
                          system_call
                          __GI___libc_read

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

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] irq_work_run                             
            |
            --- irq_work_run
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- memcpy
               |          
                --49.99%-- MemoryContextReset

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

     0.00%  postgres  [kernel.kallsyms]              [k] rcu_irq_enter                            
            |
            --- rcu_irq_enter
                irq_enter
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- LookupTupleHashEntry
               |          
                --50.00%-- ExecClearTuple

     0.00%  postgres  [kernel.kallsyms]              [k] lapic_next_event                         
            |
            --- lapic_next_event
                tick_dev_program_event
                tick_program_event
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- hash_any
               |          
                --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] timekeeping_update                       
            |
            --- timekeeping_update
               |          
               |--50.00%-- do_timer
               |          tick_do_update_jiffies64
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          shm_mq_inc_bytes_read
               |          
                --50.00%-- tick_do_update_jiffies64
                          tick_sched_timer
                          __run_hrtimer
                          hrtimer_interrupt
                          smp_apic_timer_interrupt
                          apic_timer_interrupt
                          AllocSetAlloc

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] update_process_times                     
            |
            --- update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.00%-- make_result
               |          
                --50.00%-- slot_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] jiffies_to_timeval                       
            |
            --- jiffies_to_timeval
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- add_abs
               |          
                --49.99%-- SetLatch

     0.00%  postgres  [kernel.kallsyms]              [k] perf_event_task_tick                     
            |
            --- perf_event_task_tick
               |          
               |--50.01%-- scheduler_tick
               |          update_process_times
               |          tick_sched_timer
               |          __run_hrtimer
               |          hrtimer_interrupt
               |          smp_apic_timer_interrupt
               |          apic_timer_interrupt
               |          do_numeric_accum
               |          
                --49.99%-- 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] profile_tick                             
            |
            --- profile_tick
                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%-- bcTruelen

     0.00%  postgres  [kernel.kallsyms]              [k] irq_exit                                 
            |
            --- 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%-- hash_search_with_hash_value

     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
               |          
               |--50.01%-- execTuplesMatch
               |          
                --49.99%-- int8_avg_accum

     0.00%  postgres  [kernel.kallsyms]              [k] _spin_lock_irq                           
            |
            --- _spin_lock_irq
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- fetch_input_tuple
               |          
                --49.99%-- advance_aggregates

     0.00%  postgres  [kernel.kallsyms]              [k] account_user_time                        
            |
            --- account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- bpcharle
               |          
                --49.99%-- advance_aggregates

     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_disable                         
            |
            --- perf_pmu_disable
                perf_event_task_tick
                scheduler_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.02%-- bpchareq
               |          
                --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] napi_gro_flush                           
            |
            --- napi_gro_flush
               |          
               |--50.00%-- 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
               |          
                --50.00%-- 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] handle_IRQ_event                         
            |
            --- handle_IRQ_event
                handle_edge_irq
                handle_irq
                do_IRQ
                ret_from_intr
               |          
               |--50.00%-- ExecMakeFunctionResultNoSets
               |          
                --50.00%-- slot_deform_tuple

     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
               |          
               |--50.01%-- add_abs
               |          
                --49.99%-- __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add                     
            |
            --- __percpu_counter_add
                account_user_time
                account_process_tick
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
               |          
               |--50.01%-- ExecProject
               |          
                --49.99%-- ExecMakeFunctionResultNoSets

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

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

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

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

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] try_atomic_semop                         
            |
            --- try_atomic_semop
               |          
               |--50.01%-- sys_semtimedop
               |          sys_semop
               |          system_call
               |          __GI___semop
               |          
                --49.99%-- update_queue
                          sys_semtimedop
                          sys_semop
                          system_call
                          __GI___semop

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

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

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

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

     0.00%  postgres  [ipv6]                         [k] ipv6_gro_receive                         
            |
            --- ipv6_gro_receive
                dev_gro_receive
                __napi_gro_receive
                napi_gro_receive
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                HeapTupleSatisfiesMVCC

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

     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
                shm_mq_inc_bytes_read

     0.00%  postgres  [kernel.kallsyms]              [k] save_args                                
            |
            --- save_args
                pfree

     0.00%  postgres  [kernel.kallsyms]              [k] common_interrupt                         
            |
            --- common_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_rebalance_domains                    
            |
            --- run_rebalance_domains
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                hash_search_with_hash_value

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

     0.00%  postgres  [ixgbe]                        [k] ixgbe_msix_clean_rings                   
            |
            --- ixgbe_msix_clean_rings
                handle_IRQ_event
                handle_edge_irq
                handle_irq
                do_IRQ
                ret_from_intr
                __GI___kill

     0.00%  postgres  [kernel.kallsyms]              [k] __remove_hrtimer                         
            |
            --- __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  [ixgbe]                        [k] ixgbe_xmit_frame_ring                    
            |
            --- ixgbe_xmit_frame_ring
                dev_hard_start_xmit
                sch_direct_xmit
                dev_queue_xmit
                ip_finish_output
                ip_output
                ip_local_out
                ip_queue_xmit
                tcp_transmit_skb
                tcp_send_ack
                tcp_delack_timer
                run_timer_softirq
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                smp_apic_timer_interrupt
                apic_timer_interrupt
                auditsys
                __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] set_normalized_timespec                  
            |
            --- set_normalized_timespec
                update_rt_offset
                timekeeping_update
                do_timer
                tick_do_update_jiffies64
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                add_abs

     0.00%  postgres  [kernel.kallsyms]              [k] __napi_complete                          
            |
            --- __napi_complete
                napi_complete
                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  postgres                       [.] RecoveryInProgress                       
            |
            --- RecoveryInProgress

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

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] 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  [kernel.kallsyms]              [k] __skb_clone                              
            |
            --- __skb_clone
                skb_clone
                packet_rcv
                __netif_receive_skb
                netif_receive_skb
                napi_skb_finish
                napi_gro_receive
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                do_send_sig_info
                group_send_sig_info
                kill_pid_info
                sys_kill
                system_call
                __GI___kill

     0.00%  postgres  [ixgbe]                        [k] ixgbe_poll                               
            |
            --- ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                slot_deform_tuple

     0.00%  postgres  [kernel.kallsyms]              [k] handle_edge_irq                          
            |
            --- handle_edge_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] rcu_check_callbacks                      
            |
            --- 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

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

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

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

     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
                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_softirq_raise           
            |
            --- ftrace_raw_event_softirq_raise
                run_local_timers
                update_process_times
                tick_sched_timer
                __run_hrtimer
                hrtimer_interrupt
                smp_apic_timer_interrupt
                apic_timer_interrupt
                slot_deform_tuple

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] ioread8                                  
            |
            --- ioread8
                ata_sff_check_status
                ata_sff_host_intr
                ata_sff_interrupt
                handle_IRQ_event
                handle_edge_irq
                handle_irq
                do_IRQ
                ret_from_intr
                heap_copytuple

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

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

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

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

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

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

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

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

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

     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] iowrite8                                 
            |
            --- iowrite8
                ata_sff_irq_clear
                ata_sff_host_intr
                ata_sff_interrupt
                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] read_tsc                                 
            |
            --- read_tsc
                tick_dev_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] do_sync_read                             
            |
            --- do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

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

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

     0.00%  postgres  [kernel.kallsyms]              [k] __rmqueue                                
            |
            --- __rmqueue
                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  postgres                       [.] ExecCopySlotMinimalTuple                 
            |
            --- ExecCopySlotMinimalTuple
                0x1d4108000000000

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

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

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

     0.00%  postgres  libc-2.12.so                   [.] __mempcpy                                
            |
            --- __mempcpy
                0x1d5b1ad

     0.00%  postgres  [kernel.kallsyms]              [k] nf_hook_slow                             
            |
            --- nf_hook_slow
                ip_rcv
                __netif_receive_skb
                process_backlog
                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] mark_page_accessed                       
            |
            --- mark_page_accessed
                do_sync_read
                vfs_read
                sys_read
                system_call
                __GI___libc_read

     0.00%  postgres  [nf_conntrack]                 [k] cleanup_module                           
            |
            --- cleanup_module
                nf_conntrack_find_get
                nf_conntrack_in
                ipv4_conntrack_in
                nf_iterate
                nf_hook_slow
                ip_rcv
                __netif_receive_skb
                netif_receive_skb
                napi_skb_finish
                napi_gro_receive
                ixgbe_poll
                net_rx_action
                __do_softirq
                call_softirq
                do_softirq
                irq_exit
                do_IRQ
                ret_from_intr
                do_numeric_accum

     0.00%  postgres  [kernel.kallsyms]              [k] perf_event_context_sched_in              
            |
            --- perf_event_context_sched_in
                __perf_event_task_sched_in
                finish_task_switch
                thread_return
                schedule_hrtimeout_range
                poll_schedule_timeout
                do_sys_poll
                sys_poll
                system_call
                __poll
                0x72c4479b242c



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