# ========
# captured on: Fri Sep 18 16:16:40 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 -p 61604 
# 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 = { 14 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 11K of event 'cycles'
# Event count (approx.): 8291223739
#
# Overhead   Command                  Shared Object                                       Symbol
# ........  ........  .............................  ...........................................
#
    12.27%  postgres  [kernel.kallsyms]              [k] copy_user_generic_string               
     4.83%  postgres  postgres                       [.] ExecMakeFunctionResultNoSets           
     4.50%  postgres  postgres                       [.] slot_deform_tuple                      
     4.10%  postgres  postgres                       [.] hash_search_with_hash_value            
     3.30%  postgres  postgres                       [.] s_lock                                 
     2.81%  postgres  postgres                       [.] bcTruelen                              
     2.75%  postgres  postgres                       [.] heapgettup_pagemode                    
     2.32%  postgres  postgres                       [.] slot_getattr                           
     2.30%  postgres  [kernel.kallsyms]              [k] find_get_page                          
     2.10%  postgres  postgres                       [.] tas                                    
     1.95%  postgres  postgres                       [.] ExecQual                               
     1.91%  postgres  postgres                       [.] heapgetpage                            
     1.77%  postgres  postgres                       [.] ExecScan                               
     1.76%  postgres  postgres                       [.] tas                                    
     1.59%  postgres  postgres                       [.] pg_atomic_read_u32_impl                
     1.55%  postgres  postgres                       [.] get_hash_entry                         
     1.53%  postgres  postgres                       [.] PartialSeqNext                         
     1.51%  postgres  postgres                       [.] tas                                    
     1.41%  postgres  postgres                       [.] pg_atomic_fetch_add_u32_impl           
     1.30%  postgres  postgres                       [.] ExecEvalScalarVarFast                  
     1.27%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC                 
     1.19%  postgres  postgres                       [.] pg_detoast_datum_packed                
     1.07%  postgres  postgres                       [.] pg_atomic_compare_exchange_u32_impl    
     1.06%  postgres  [kernel.kallsyms]              [k] mutex_lock                             
     1.06%  postgres  postgres                       [.] ExecStoreTuple                         
     1.00%  postgres  postgres                       [.] tas                                    
     1.00%  postgres  postgres                       [.] heap_getnext                           
     0.98%  postgres  postgres                       [.] bpcharle                               
     0.89%  postgres  postgres                       [.] ExecEvalConst                          
     0.88%  postgres  [kernel.kallsyms]              [k] mutex_unlock                           
     0.87%  postgres  postgres                       [.] ExecScanFetch                          
     0.83%  postgres  postgres                       [.] TransactionIdPrecedes                  
     0.80%  postgres  [kernel.kallsyms]              [k] radix_tree_lookup_slot                 
     0.76%  postgres  [kernel.kallsyms]              [k] put_page                               
     0.73%  postgres  postgres                       [.] varstr_cmp                             
     0.73%  postgres  [kernel.kallsyms]              [k] _spin_lock                             
     0.71%  postgres  postgres                       [.] calc_bucket                            
     0.62%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                        
     0.61%  postgres  postgres                       [.] pgstat_end_function_usage              
     0.61%  postgres  postgres                       [.] list_head                              
     0.55%  postgres  [kernel.kallsyms]              [k] generic_file_aio_read                  
     0.54%  postgres  [kernel.kallsyms]              [k] vfs_read                               
     0.53%  postgres  libc-2.12.so                   [.] memcpy                                 
     0.52%  postgres  [ext4]                         [k] ext4_llseek                            
     0.51%  postgres  postgres                       [.] CheckForSerializableConflictOut        
     0.47%  postgres  postgres                       [.] add_abs                                
     0.47%  postgres  [kernel.kallsyms]              [k] __mutex_lock_slowpath                  
     0.45%  postgres  postgres                       [.] LWLockRelease                          
     0.44%  postgres  postgres                       [.] MemoryContextSwitchTo                  
     0.43%  postgres  postgres                       [.] hash_any                               
     0.41%  postgres  [kernel.kallsyms]              [k] find_busiest_group                     
     0.37%  postgres  postgres                       [.] MemoryContextReset                     
     0.36%  postgres  postgres                       [.] shm_mq_receive                         
     0.35%  postgres  postgres                       [.] LWLockAttemptLock                      
     0.35%  postgres  postgres                       [.] advance_aggregates                     
     0.35%  postgres  postgres                       [.] _mdfd_getseg                           
     0.34%  postgres  [kernel.kallsyms]              [k] system_call                            
     0.33%  postgres  postgres                       [.] AllocSetAlloc                          
     0.30%  postgres  [kernel.kallsyms]              [k] fget_light                             
     0.30%  postgres  postgres                       [.] pgstat_init_function_usage             
     0.30%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit                   
     0.29%  postgres  postgres                       [.] BufferAlloc                            
     0.29%  postgres  postgres                       [.] XidInMVCCSnapshot                      
     0.28%  postgres  postgres                       [.] ExecProject                            
     0.28%  postgres  postgres                       [.] spin_delay                             
     0.27%  postgres  postgres                       [.] lc_collate_is_c                        
     0.26%  postgres  postgres                       [.] ResourceOwnerForgetBuffer              
     0.26%  postgres  postgres                       [.] check_stack_depth                      
     0.26%  postgres  [kernel.kallsyms]              [k] rw_verify_area                         
     0.24%  postgres  [kernel.kallsyms]              [k] touch_atime                            
     0.23%  postgres  postgres                       [.] shm_mq_receive_bytes                   
     0.22%  postgres  postgres                       [.] UnpinBuffer                            
     0.22%  postgres  postgres                       [.] ReadBuffer_common                      
     0.21%  postgres  [kernel.kallsyms]              [k] file_read_actor                        
     0.21%  postgres  [kernel.kallsyms]              [k] sys_read                               
     0.20%  postgres  postgres                       [.] GetPrivateRefCountEntry                
     0.20%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                              
     0.20%  postgres  postgres                       [.] pfree                                  
     0.19%  postgres  postgres                       [.] advance_transition_function            
     0.19%  postgres  postgres                       [.] do_numeric_accum                       
     0.19%  postgres  postgres                       [.] lookup_hash_entry                      
     0.19%  postgres  postgres                       [.] AllocSetFreeIndex                      
     0.19%  postgres  postgres                       [.] FileSeek                               
     0.18%  postgres  postgres                       [.] int8_numeric                           
     0.18%  postgres  postgres                       [.] tas                                    
     0.17%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                    
     0.17%  postgres  postgres                       [.] LWLockAcquire                          
     0.16%  postgres  postgres                       [.] SerializationNeededForRead             
     0.16%  postgres  postgres                       [.] bpchareq                               
     0.16%  postgres  postgres                       [.] ReadBufferExtended                     
     0.16%  postgres  postgres                       [.] int64_to_numericvar                    
     0.16%  postgres  postgres                       [.] AllocSetReset                          
     0.15%  postgres  postgres                       [.] AllocSetFree                           
     0.15%  postgres  postgres                       [.] SetLatch                               
     0.15%  postgres  postgres                       [.] ExecClearTuple                         
     0.14%  postgres  [kernel.kallsyms]              [k] __mutex_unlock_slowpath                
     0.14%  postgres  postgres                       [.] heap_parallelscan_nextpage             
     0.14%  postgres  postgres                       [.] LockBuffer                             
     0.14%  postgres  [kernel.kallsyms]              [k] sysret_check                           
     0.14%  postgres  postgres                       [.] make_result                            
     0.14%  postgres  [kernel.kallsyms]              [k] sys_lseek                              
     0.14%  postgres  postgres                       [.] slot_getsomeattrs                      
     0.13%  postgres  postgres                       [.] TupleHashTableHash                     
     0.13%  postgres  postgres                       [.] FileRead                               
     0.13%  postgres  postgres                       [.] palloc                                 
     0.12%  postgres  postgres                       [.] pg_atomic_compare_exchange_u32         
     0.12%  postgres  postgres                       [.] tas                                    
     0.12%  postgres  postgres                       [.] pg_atomic_fetch_sub_u32_impl           
     0.12%  postgres  postgres                       [.] int4_sum                               
     0.10%  postgres  libc-2.12.so                   [.] __GI___libc_lseek64                    
     0.10%  postgres  postgres                       [.] BufTableHashCode                       
     0.10%  postgres  [kernel.kallsyms]              [k] update_curr                            
     0.10%  postgres  postgres                       [.] pg_atomic_sub_fetch_u32                
     0.10%  postgres  postgres                       [.] heap_page_prune_opt                    
     0.10%  postgres  postgres                       [.] LWLockWakeup                           
     0.10%  postgres  libc-2.12.so                   [.] __GI___libc_read                       
     0.10%  postgres  postgres                       [.] ReleaseBuffer                          
     0.10%  postgres  postgres                       [.] pg_atomic_read_u32                     
     0.09%  postgres  [kernel.kallsyms]              [k] vfs_llseek                             
     0.09%  postgres  postgres                       [.] ResourceOwnerRememberBuffer            
     0.09%  postgres  postgres                       [.] mdread                                 
     0.09%  postgres  postgres                       [.] DataChecksumsEnabled                   
     0.09%  postgres  [kernel.kallsyms]              [k] sys_semtimedop                         
     0.09%  postgres  postgres                       [.] PinBuffer_Locked                       
     0.09%  postgres  [kernel.kallsyms]              [k] enqueue_task                           
     0.09%  postgres  postgres                       [.] TerminateBufferIO                      
     0.09%  postgres  postgres                       [.] pg_atomic_sub_fetch_u32_impl           
     0.09%  postgres  postgres                       [.] execTuplesMatch                        
     0.09%  postgres  [kernel.kallsyms]              [k] try_atomic_semop                       
     0.08%  postgres  postgres                       [.] get_hash_value                         
     0.08%  postgres  postgres                       [.] MemoryContextSwitchTo                  
     0.08%  postgres  postgres                       [.] TupleQueueFunnelNext                   
     0.08%  postgres  [kernel.kallsyms]              [k] kfree                                  
     0.08%  postgres  postgres                       [.] FileAccess                             
     0.08%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event                  
     0.08%  postgres  [kernel.kallsyms]              [k] current_kernel_time                    
     0.08%  postgres  postgres                       [.] ResourceOwnerEnlargeBuffers            
     0.07%  postgres  postgres                       [.] InstrStopNode                          
     0.07%  postgres  postgres                       [.] IsCatalogClass                         
     0.07%  postgres  [vdso]                         [.] 0x00007fffb39ff8a4                     
     0.07%  postgres  postgres                       [.] ExecProcNode                           
     0.07%  postgres  postgres                       [.] GetBufferFromRing                      
     0.07%  postgres  postgres                       [.] PageIsVerified                         
     0.07%  postgres  postgres                       [.] free_var                               
     0.07%  postgres  postgres                       [.] funnel_getnext                         
     0.06%  postgres  [kernel.kallsyms]              [k] schedule                               
     0.06%  postgres  postgres                       [.] strip_var                              
     0.06%  postgres  [kernel.kallsyms]              [k] dequeue_entity                         
     0.06%  postgres  postgres                       [.] FunctionCall2Coll                      
     0.06%  postgres  postgres                       [.] TupleHashTableMatch                    
     0.06%  postgres  postgres                       [.] ExecStoreVirtualTuple                  
     0.05%  postgres  postgres                       [.] heap_copytuple                         
     0.05%  postgres  postgres                       [.] MemoryContextSwitchTo                  
     0.05%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit              
     0.05%  postgres  [kernel.kallsyms]              [k] update_queue                           
     0.05%  postgres  postgres                       [.] FunctionCall1Coll                      
     0.05%  postgres  [kernel.kallsyms]              [k] dput                                   
     0.05%  postgres  postgres                       [.] alloc_var                              
     0.04%  postgres  postgres                       [.] int8_avg_accum                         
     0.04%  postgres  [kernel.kallsyms]              [k] auditsys                               
     0.04%  postgres  [kernel.kallsyms]              [k] update_cfs_load                        
     0.04%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe                  
     0.04%  postgres  postgres                       [.] hashbpchar                             
     0.04%  postgres  postgres                       [.] tas                                    
     0.04%  postgres  postgres                       [.] IncrBufferRefCount                     
     0.04%  postgres  [kernel.kallsyms]              [k] enqueue_entity                         
     0.04%  postgres  [kernel.kallsyms]              [k] generic_segment_checks                 
     0.04%  postgres  postgres                       [.] DirectFunctionCall1Coll                
     0.04%  postgres  postgres                       [.] shm_mq_inc_bytes_read                  
     0.04%  postgres  [kernel.kallsyms]              [k] _cond_resched                          
     0.04%  postgres  [kernel.kallsyms]              [k] sysret_signal                          
     0.04%  postgres  [kernel.kallsyms]              [k] sys_semop                              
     0.04%  postgres  postgres                       [.] add_var                                
     0.04%  postgres  postgres                       [.] IsCatalogRelation                      
     0.04%  postgres  [kernel.kallsyms]              [k] find_busiest_queue                     
     0.04%  postgres  [kernel.kallsyms]              [k] thread_return                          
     0.04%  postgres  [kernel.kallsyms]              [k] task_rq_lock                           
     0.04%  postgres  [kernel.kallsyms]              [k] do_sync_read                           
     0.04%  postgres  postgres                       [.] init_var_from_num                      
     0.04%  postgres  postgres                       [.] ExecStoreMinimalTuple                  
     0.04%  postgres  postgres                       [.] ForgetPrivateRefCountEntry             
     0.04%  postgres  [kernel.kallsyms]              [k] fsnotify                               
     0.04%  postgres  postgres                       [.] LookupTupleHashEntry                   
     0.04%  postgres  postgres                       [.] mdopen                                 
     0.03%  postgres  [kernel.kallsyms]              [k] rb_end_commit                          
     0.03%  postgres  postgres                       [.] fetch_input_tuple                      
     0.03%  postgres  [kernel.kallsyms]              [k] enqueue_task_fair                      
     0.03%  postgres  [kernel.kallsyms]              [k] find_next_bit                          
     0.03%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard           
     0.03%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update           
     0.03%  postgres  postgres                       [.] memcmp@plt                             
     0.03%  postgres  [kernel.kallsyms]              [k] resched_task                           
     0.03%  postgres  [kernel.kallsyms]              [k] rb_erase                               
     0.03%  postgres  [kernel.kallsyms]              [k] _spin_lock_irq                         
     0.03%  postgres  [kernel.kallsyms]              [k] sysret_audit                           
     0.03%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve               
     0.03%  postgres  postgres                       [.] StartBufferIO                          
     0.03%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack                 
     0.03%  postgres  postgres                       [.] IsSystemNamespace                      
     0.03%  postgres  [kernel.kallsyms]              [k] trace_clock_local                      
     0.03%  postgres  postgres                       [.] agg_fill_hash_table                    
     0.03%  postgres  [kernel.kallsyms]              [k] cpumask_next_and                       
     0.03%  postgres  [kernel.kallsyms]              [k] rb_insert_color                        
     0.03%  postgres  [kernel.kallsyms]              [k] msecs_to_jiffies                       
     0.03%  postgres  postgres                       [.] NewPrivateRefCountEntry                
     0.03%  postgres  [kernel.kallsyms]              [k] update_cpu_load                        
     0.03%  postgres  [kernel.kallsyms]              [k] try_to_wake_up                         
     0.03%  postgres  [kernel.kallsyms]              [k] run_posix_cpu_timers                   
     0.03%  postgres  postgres                       [.] IsToastNamespace                       
     0.03%  postgres  postgres                       [.] smgrread                               
     0.03%  postgres  postgres                       [.] hash_search                            
     0.03%  postgres  [kernel.kallsyms]              [k] rb_next                                
     0.03%  postgres  postgres                       [.] MemoryContextSwitchTo                  
     0.03%  postgres  [kernel.kallsyms]              [k] put_prev_task_fair                     
     0.03%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                      
     0.03%  postgres  [kernel.kallsyms]              [k] mark_page_accessed                     
     0.03%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data                 
     0.03%  postgres  [kernel.kallsyms]              [k] inotify_inode_queue_event              
     0.03%  postgres  [kernel.kallsyms]              [k] copy_user_generic                      
     0.03%  postgres  [kernel.kallsyms]              [k] account_cfs_rq_runtime                 
     0.03%  postgres  [kernel.kallsyms]              [k] cap_file_permission                    
     0.03%  postgres  postgres                       [.] tag_hash                               
     0.03%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                      
     0.03%  postgres  postgres                       [.] shm_mq_get_bytes_written               
     0.03%  postgres  [kernel.kallsyms]              [k] dequeue_task                           
     0.02%  postgres  postgres                       [.] base_yyparse                           
     0.02%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                      
     0.02%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve              
     0.02%  postgres  libc-2.12.so                   [.] __GI___semop                           
     0.02%  postgres  postgres                       [.] PinBuffer                              
     0.02%  postgres  [kernel.kallsyms]              [k] idr_find                               
     0.02%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                       
     0.02%  postgres  [kernel.kallsyms]              [k] hrtimer_run_queues                     
     0.02%  postgres  postgres                       [.] StrategyGetBuffer                      
     0.02%  postgres  postgres                       [.] MemoryContextCallResetCallbacks        
     0.02%  postgres  postgres                       [.] heap_freetuple                         
     0.02%  postgres  [kernel.kallsyms]              [k] native_sched_clock                     
     0.02%  postgres  [kernel.kallsyms]              [k] clear_buddies                          
     0.02%  postgres  [kernel.kallsyms]              [k] inotify_dentry_parent_queue_event      
     0.02%  postgres  postgres                       [.] ExecFunnel                             
     0.02%  postgres  postgres                       [.] BufTableDelete                         
     0.02%  postgres  [kernel.kallsyms]              [k] path_put                               
     0.02%  postgres  postgres                       [.] PGSemaphoreLock                        
     0.02%  postgres  postgres                       [.] MemoryContextResetOnly                 
     0.02%  postgres  [kernel.kallsyms]              [k] copy_from_user                         
     0.02%  postgres  [kernel.kallsyms]              [k] check_for_new_grace_period             
     0.02%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks                  
     0.02%  postgres  [kernel.kallsyms]              [k] memcpy                                 
     0.02%  postgres  postgres                       [.] dlist_push_tail                        
     0.02%  postgres  postgres                       [.] dlist_init                             
     0.02%  postgres  [kernel.kallsyms]              [k] check_preempt_curr                     
     0.02%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt                   
     0.02%  postgres  [kernel.kallsyms]              [k] pick_next_task_fair                    
     0.02%  postgres  [kernel.kallsyms]              [k] read_tsc                               
     0.02%  postgres  [kernel.kallsyms]              [k] list_del                               
     0.02%  postgres  [kernel.kallsyms]              [k] smp_apic_timer_interrupt               
     0.02%  postgres  postgres                       [.] pg_detoast_datum                       
     0.02%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_sched_stat_template
     0.02%  postgres  postgres                       [.] isTempToastNamespace                   
     0.02%  postgres  postgres                       [.] ss_report_location                     
     0.02%  postgres  [kernel.kallsyms]              [k] perf_event_task_tick                   
     0.01%  postgres  [kernel.kallsyms]              [k] rcu_sched_qs                           
     0.01%  postgres  [kernel.kallsyms]              [k] place_entity                           
     0.01%  postgres  [kernel.kallsyms]              [k] vm_stat_account                        
     0.01%  postgres  postgres                       [.] BufTableInsert                         
     0.01%  postgres  postgres                       [.] PortalRunSelect                        
     0.01%  postgres  [kernel.kallsyms]              [k] perf_pmu_disable                       
     0.01%  postgres  [kernel.kallsyms]              [k] task_tick_fair                         
     0.01%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write                  
     0.01%  postgres  postgres                       [.] pg_atomic_fetch_or_u32_impl            
     0.01%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore                
     0.01%  postgres  [kernel.kallsyms]              [k] update_stats_wait_end                  
     0.01%  postgres  [kernel.kallsyms]              [k] effective_load                         
     0.01%  postgres  [kernel.kallsyms]              [k] inet_gro_receive                       
     0.01%  postgres  [kernel.kallsyms]              [k] rcu_bh_qs                              
     0.01%  postgres  [kernel.kallsyms]              [k] pick_next_task_rt                      
     0.01%  postgres  postgres                       [.] LWLockDequeueSelf                      
     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                           
     0.01%  postgres  [kernel.kallsyms]              [k] find_first_bit                         
     0.01%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve      
     0.01%  postgres  [kernel.kallsyms]              [k] tick_dev_program_event                 
     0.01%  postgres  postgres                       [.] ReservePrivateRefCountEntry            
     0.01%  postgres  [kernel.kallsyms]              [k] ktime_get                              
     0.01%  postgres  [kernel.kallsyms]              [k] fib_get_table                          
     0.01%  postgres  postgres                       [.] memcpy@plt                             
     0.01%  postgres  [kernel.kallsyms]              [k] select_idle_sibling                    
     0.01%  postgres  [kernel.kallsyms]              [k] pid_vnr                                
     0.01%  postgres  [kernel.kallsyms]              [k] check_preempt_wakeup                   
     0.01%  postgres  [kernel.kallsyms]              [k] select_task_rq_fair                    
     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime    
     0.01%  postgres  libc-2.12.so                   [.] __random                               
     0.01%  postgres  [kernel.kallsyms]              [k] __remove_hrtimer                       
     0.01%  postgres  postgres                       [.] BufTableLookup                         
     0.01%  postgres  postgres                       [.] list_head                              
     0.01%  postgres  postgres                       [.] RecoveryInProgress                     
     0.01%  postgres  [kernel.kallsyms]              [k] pick_next_task_idle                    
     0.01%  postgres  [kernel.kallsyms]              [k] __qdisc_run                            
     0.01%  postgres  [kernel.kallsyms]              [k] raise_softirq                          
     0.01%  postgres  [kernel.kallsyms]              [k] ctx_sched_out                          
     0.01%  postgres  [kernel.kallsyms]              [k] sched_clock_cpu                        
     0.01%  postgres  [kernel.kallsyms]              [k] task_waking_fair                       
     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_wakeup          
     0.01%  postgres  [kernel.kallsyms]              [k] account_user_time                      
     0.01%  postgres  [kernel.kallsyms]              [k] kmem_cache_alloc                       
     0.01%  postgres  [kernel.kallsyms]              [k] bio_endio                              
     0.01%  postgres  postgres                       [.] ExecPartialSeqScan                     
     0.01%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit      
     0.01%  postgres  [kernel.kallsyms]              [k] native_read_tsc                        
     0.01%  postgres  [kernel.kallsyms]              [k] hrtick_start_fair                      
     0.01%  postgres  [kernel.kallsyms]              [k] update_shares                          
     0.01%  postgres  [kernel.kallsyms]              [k] scheduler_tick                         
     0.01%  postgres  [kernel.kallsyms]              [k] __fsnotify_parent                      
     0.01%  postgres  [kernel.kallsyms]              [k] pick_next_task_stop                    
     0.01%  postgres  [kernel.kallsyms]              [k] do_softirq                             
     0.01%  postgres  [kernel.kallsyms]              [k] sched_clock                            
     0.01%  postgres  [kernel.kallsyms]              [k] dequeue_task_fair                      
     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq            
     0.01%  postgres  postgres                       [.] gettimeofday@plt                       
     0.01%  postgres  [kernel.kallsyms]              [k] account_process_tick                   
     0.01%  postgres  [kernel.kallsyms]              [k] cap_sem_semop                          
     0.01%  postgres  [kernel.kallsyms]              [k] run_local_timers                       
     0.01%  postgres  [kernel.kallsyms]              [k] ipc_lock                               
     0.01%  postgres  [kernel.kallsyms]              [k] tick_sched_timer                       
     0.00%  postgres  [kernel.kallsyms]              [k] do_sys_poll                            


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