# ========
# captured on: Fri Sep 18 16:14:59 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 = { 11 }
# HEADER_CPU_TOPOLOGY info available, use -I to display
# HEADER_NUMA_TOPOLOGY info available, use -I to display
# ========
#
# Samples: 70K of event 'cycles'
# Event count (approx.): 50869106663
#
# Overhead   Command                  Shared Object                                   Symbol
# ........  ........  .............................  .......................................
#
    16.89%  postgres  [kernel.kallsyms]              [k] copy_user_generic_string           
     7.21%  postgres  postgres                       [.] ExecMakeFunctionResultNoSets       
     6.04%  postgres  postgres                       [.] slot_deform_tuple                  
     4.52%  postgres  postgres                       [.] heapgettup_pagemode                
     4.13%  postgres  postgres                       [.] bcTruelen                          
     3.46%  postgres  postgres                       [.] slot_getattr                       
     3.20%  postgres  postgres                       [.] hash_search_with_hash_value        
     2.91%  postgres  postgres                       [.] ExecQual                           
     2.86%  postgres  postgres                       [.] heapgetpage                        
     2.78%  postgres  postgres                       [.] ExecScan                           
     2.14%  postgres  postgres                       [.] HeapTupleSatisfiesMVCC             
     1.86%  postgres  postgres                       [.] ExecStoreTuple                     
     1.83%  postgres  postgres                       [.] ExecEvalScalarVarFast              
     1.77%  postgres  [kernel.kallsyms]              [k] find_get_page                      
     1.75%  postgres  postgres                       [.] bpcharle                           
     1.58%  postgres  postgres                       [.] SeqNext                            
     1.50%  postgres  postgres                       [.] ExecEvalConst                      
     1.48%  postgres  postgres                       [.] heap_getnext                       
     1.28%  postgres  postgres                       [.] pg_detoast_datum_packed            
     1.23%  postgres  postgres                       [.] ExecScanFetch                      
     1.20%  postgres  postgres                       [.] TransactionIdPrecedes              
     1.14%  postgres  postgres                       [.] varstr_cmp                         
     1.03%  postgres  postgres                       [.] list_head                          
     0.94%  postgres  postgres                       [.] pgstat_end_function_usage          
     0.90%  postgres  postgres                       [.] pg_atomic_compare_exchange_u32_impl
     0.89%  postgres  [kernel.kallsyms]              [k] radix_tree_lookup_slot             
     0.82%  postgres  postgres                       [.] CheckForSerializableConflictOut    
     0.82%  postgres  postgres                       [.] MemoryContextSwitchTo              
     0.76%  postgres  libc-2.12.so                   [.] __memcmp_sse4_1                    
     0.75%  postgres  [kernel.kallsyms]              [k] put_page                           
     0.71%  postgres  postgres                       [.] pg_atomic_fetch_add_u32_impl       
     0.68%  postgres  postgres                       [.] pg_atomic_read_u32_impl            
     0.65%  postgres  postgres                       [.] LWLockAttemptLock                  
     0.64%  postgres  postgres                       [.] LWLockRelease                      
     0.62%  postgres  postgres                       [.] tas                                
     0.61%  postgres  postgres                       [.] MemoryContextReset                 
     0.60%  postgres  postgres                       [.] check_stack_depth                  
     0.59%  postgres  postgres                       [.] _mdfd_getseg                       
     0.56%  postgres  postgres                       [.] hash_any                           
     0.54%  postgres  postgres                       [.] BufferAlloc                        
     0.53%  postgres  postgres                       [.] pgstat_init_function_usage         
     0.48%  postgres  postgres                       [.] XidInMVCCSnapshot                  
     0.46%  postgres  [kernel.kallsyms]              [k] generic_file_aio_read              
     0.45%  postgres  postgres                       [.] lc_collate_is_c                    
     0.44%  postgres  postgres                       [.] ResourceOwnerForgetBuffer          
     0.39%  postgres  [kernel.kallsyms]              [k] system_call                        
     0.38%  postgres  postgres                       [.] calc_bucket                        
     0.35%  postgres  postgres                       [.] LWLockAcquire                      
     0.33%  postgres  [kernel.kallsyms]              [k] file_read_actor                    
     0.31%  postgres  postgres                       [.] GetPrivateRefCountEntry            
     0.31%  postgres  postgres                       [.] tas                                
     0.31%  postgres  [kernel.kallsyms]              [k] vfs_read                           
     0.30%  postgres  postgres                       [.] UnpinBuffer                        
     0.27%  postgres  postgres                       [.] SerializationNeededForRead         
     0.27%  postgres  [kernel.kallsyms]              [k] __audit_syscall_exit               
     0.26%  postgres  postgres                       [.] ReadBuffer_common                  
     0.24%  postgres  [kernel.kallsyms]              [k] fget_light                         
     0.23%  postgres  [kernel.kallsyms]              [k] sys_read                           
     0.22%  postgres  postgres                       [.] LockBuffer                         
     0.21%  postgres  [kernel.kallsyms]              [k] rw_verify_area                     
     0.21%  postgres  postgres                       [.] ReadBufferExtended                 
     0.19%  postgres  postgres                       [.] tas                                
     0.18%  postgres  postgres                       [.] GetBufferFromRing                  
     0.18%  postgres  postgres                       [.] pg_atomic_compare_exchange_u32     
     0.17%  postgres  postgres                       [.] pg_atomic_sub_fetch_u32_impl       
     0.17%  postgres  postgres                       [.] FileRead                           
     0.16%  postgres  libc-2.12.so                   [.] __GI___libc_read                   
     0.16%  postgres  postgres                       [.] ReleaseBuffer                      
     0.16%  postgres  postgres                       [.] pg_atomic_read_u32                 
     0.16%  postgres  postgres                       [.] PageIsVerified                     
     0.16%  postgres  [kernel.kallsyms]              [k] audit_syscall_entry                
     0.15%  postgres  postgres                       [.] ResourceOwnerRememberBuffer        
     0.15%  postgres  postgres                       [.] FileSeek                           
     0.15%  postgres  postgres                       [.] pg_atomic_fetch_sub_u32_impl       
     0.14%  postgres  postgres                       [.] heap_page_prune_opt                
     0.14%  postgres  [kernel.kallsyms]              [k] touch_atime                        
     0.13%  postgres  postgres                       [.] mdread                             
     0.13%  postgres  [kernel.kallsyms]              [k] generic_segment_checks             
     0.11%  postgres  postgres                       [.] get_hash_value                     
     0.11%  postgres  postgres                       [.] pg_atomic_sub_fetch_u32            
     0.10%  postgres  postgres                       [.] TerminateBufferIO                  
     0.10%  postgres  postgres                       [.] PinBuffer_Locked                   
     0.10%  postgres  postgres                       [.] ResourceOwnerEnlargeBuffers        
     0.10%  postgres  postgres                       [.] IsCatalogClass                     
     0.09%  postgres  [kernel.kallsyms]              [k] sysret_check                       
     0.09%  postgres  postgres                       [.] ss_report_location                 
     0.09%  postgres  postgres                       [.] advance_aggregates                 
     0.08%  postgres  postgres                       [.] BufTableInsert                     
     0.08%  postgres  postgres                       [.] IsCatalogRelation                  
     0.08%  postgres  postgres                       [.] StartBufferIO                      
     0.08%  postgres  postgres                       [.] BufTableHashCode                   
     0.08%  postgres  postgres                       [.] smgrread                           
     0.08%  postgres  postgres                       [.] DataChecksumsEnabled               
     0.08%  postgres  [kernel.kallsyms]              [k] kfree                              
     0.07%  postgres  postgres                       [.] bpchareq                           
     0.07%  postgres  postgres                       [.] ExecProject                        
     0.07%  postgres  postgres                       [.] tag_hash                           
     0.07%  postgres  postgres                       [.] AllocSetAlloc                      
     0.07%  postgres  postgres                       [.] add_abs                            
     0.06%  postgres  postgres                       [.] memcmp@plt                         
     0.06%  postgres  [kernel.kallsyms]              [k] do_sync_read                       
     0.06%  postgres  postgres                       [.] get_hash_entry                     
     0.06%  postgres  postgres                       [.] advance_transition_function        
     0.05%  postgres  postgres                       [.] BufTableDelete                     
     0.05%  postgres  [kernel.kallsyms]              [k] _cond_resched                      
     0.05%  postgres  postgres                       [.] IncrBufferRefCount                 
     0.05%  postgres  [kernel.kallsyms]              [k] current_kernel_time                
     0.05%  postgres  [kernel.kallsyms]              [k] fsnotify                           
     0.05%  postgres  postgres                       [.] mdopen                             
     0.05%  postgres  postgres                       [.] NewPrivateRefCountEntry            
     0.05%  postgres  postgres                       [.] ForgetPrivateRefCountEntry         
     0.05%  postgres  libc-2.12.so                   [.] memcpy                             
     0.05%  postgres  postgres                       [.] make_result                        
     0.04%  postgres  postgres                       [.] ExecProcNode                       
     0.04%  postgres  [kernel.kallsyms]              [k] __fsnotify_parent                  
     0.04%  postgres  postgres                       [.] palloc                             
     0.04%  postgres  postgres                       [.] FileAccess                         
     0.04%  postgres  [kernel.kallsyms]              [k] mark_page_accessed                 
     0.04%  postgres  [kernel.kallsyms]              [k] inotify_inode_queue_event          
     0.04%  postgres  [kernel.kallsyms]              [k] unroll_tree_refs                   
     0.04%  postgres  [kernel.kallsyms]              [k] copy_user_generic                  
     0.04%  postgres  postgres                       [.] int8_numeric                       
     0.04%  postgres  postgres                       [.] IsSystemNamespace                  
     0.03%  postgres  [vdso]                         [.] 0x00007fffb39ff814                 
     0.03%  postgres  postgres                       [.] int64_to_numericvar                
     0.03%  postgres  postgres                       [.] BufTableLookup                     
     0.03%  postgres  postgres                       [.] StrategyGetBuffer                  
     0.03%  postgres  postgres                       [.] AllocSetReset                      
     0.03%  postgres  postgres                       [.] MemoryContextSwitchTo              
     0.03%  postgres  postgres                       [.] slot_getsomeattrs                  
     0.03%  postgres  postgres                       [.] lookup_hash_entry                  
     0.03%  postgres  postgres                       [.] fetch_input_tuple                  
     0.03%  postgres  [kernel.kallsyms]              [k] _spin_lock                         
     0.03%  postgres  postgres                       [.] RecoveryInProgress                 
     0.03%  postgres  postgres                       [.] AllocSetFreeIndex                  
     0.03%  postgres  postgres                       [.] TupleHashTableHash                 
     0.03%  postgres  [kernel.kallsyms].vsyscall_fn  [.] vread_tsc                          
     0.03%  postgres  postgres                       [.] init_var_from_num                  
     0.03%  postgres  postgres                       [.] do_numeric_accum                   
     0.03%  postgres  [kernel.kallsyms]              [k] apic_timer_interrupt               
     0.03%  postgres  postgres                       [.] FunctionCall1Coll                  
     0.03%  postgres  [kernel.kallsyms]              [k] auditsys                           
     0.03%  postgres  postgres                       [.] pfree                              
     0.02%  postgres  [kernel.kallsyms]              [k] _spin_lock_irqsave                 
     0.02%  postgres  [kernel.kallsyms]              [k] path_put                           
     0.02%  postgres  postgres                       [.] ReservePrivateRefCountEntry        
     0.02%  postgres  [kernel.kallsyms]              [k] inotify_dentry_parent_queue_event  
     0.02%  postgres  [kernel.kallsyms]              [k] scheduler_tick                     
     0.02%  postgres  [kernel.kallsyms]              [k] rb_reserve_next_event              
     0.02%  postgres  postgres                       [.] IsToastNamespace                   
     0.02%  postgres  [kernel.kallsyms]              [k] sysret_signal                      
     0.02%  postgres  postgres                       [.] ExecClearTuple                     
     0.02%  postgres  postgres                       [.] isTempToastNamespace               
     0.02%  postgres  [kernel.kallsyms]              [k] dput                               
     0.02%  postgres  postgres                       [.] ss_search                          
     0.02%  postgres  postgres                       [.] int4_sum                           
     0.02%  postgres  postgres                       [.] InstrStopNode                      
     0.02%  postgres  [kernel.kallsyms]              [k] ring_buffer_unlock_commit          
     0.02%  postgres  postgres                       [.] ExecStoreVirtualTuple              
     0.02%  postgres  postgres                       [.] FunctionCall2Coll                  
     0.02%  postgres  postgres                       [.] MemoryContextSwitchTo              
     0.01%  postgres  [kernel.kallsyms]              [k] cap_file_permission                
     0.01%  postgres  [kernel.kallsyms]              [k] native_read_tsc                    
     0.01%  postgres  postgres                       [.] execTuplesMatch                    
     0.01%  postgres  postgres                       [.] LookupTupleHashEntry               
     0.01%  postgres  postgres                       [.] alloc_var                          
     0.01%  postgres  [kernel.kallsyms]              [k] update_curr                        
     0.01%  postgres  [kernel.kallsyms]              [k] __rcu_process_callbacks            
     0.01%  postgres  [kernel.kallsyms]              [k] ring_buffer_lock_reserve           
     0.01%  postgres  postgres                       [.] free_var                           
     0.01%  postgres  postgres                       [.] int8_avg_accum                     
     0.01%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_id_softirq        
     0.01%  postgres  [kernel.kallsyms]              [k] trace_clock_local                  
     0.01%  postgres  [kernel.kallsyms]              [k] security_file_permission           
     0.01%  postgres  [kernel.kallsyms]              [k] run_timer_softirq                  
     0.01%  postgres  postgres                       [.] hashbpchar                         
     0.01%  postgres  [kernel.kallsyms]              [k] do_timer                           
     0.01%  postgres  [kernel.kallsyms]              [k] update_cpu_load                    
     0.01%  postgres  [kernel.kallsyms]              [k] task_tick_fair                     
     0.01%  postgres  [kernel.kallsyms]              [k] rb_end_commit                      
     0.01%  postgres  [kernel.kallsyms]              [k] perf_event_task_tick               
     0.01%  postgres  [kernel.kallsyms]              [k] tracesys                           
     0.01%  postgres  postgres                       [.] LWLockConditionalAcquire           
     0.01%  postgres  postgres                       [.] DirectFunctionCall1Coll            
     0.01%  postgres  [kernel.kallsyms]              [k] call_softirq                       
     0.01%  postgres  postgres                       [.] ExecSeqScan                        
     0.01%  postgres  postgres                       [.] AllocSetFree                       
     0.01%  postgres  libc-2.12.so                   [.] __gettimeofday                     
     0.01%  postgres  postgres                       [.] agg_fill_hash_table                
     0.01%  postgres  [kernel.kallsyms]              [k] native_write_msr_safe              
     0.01%  postgres  [kernel.kallsyms]              [k] tick_do_update_jiffies64           
     0.01%  postgres  [kernel.kallsyms]              [k] hrtimer_interrupt                  
     0.01%  postgres  [kernel.kallsyms]              [k] rb_next                            
     0.01%  postgres  [kernel.kallsyms]              [k] rcu_process_gp_end                 
     0.01%  postgres  [kernel.kallsyms]              [k] update_cfs_shares                  
     0.01%  postgres  [kernel.kallsyms]              [k] perf_adjust_freq_unthr_context     
     0.01%  postgres  [kernel.kallsyms]              [k] trace_recursive_unlock             
     0.01%  postgres  postgres                       [.] InstrStartNode                     
     0.01%  postgres  postgres                       [.] list_head                          
     0.01%  postgres  postgres                       [.] hash_search                        
     0.01%  postgres  [kernel.kallsyms]              [k] sysret_audit                       
     0.01%  postgres  [kernel.kallsyms]              [k] idle_cpu                           
     0.01%  postgres  [kernel.kallsyms]              [k] dyntick_save_progress_counter      
     0.01%  postgres  [kernel.kallsyms]              [k] __percpu_counter_add               
     0.01%  postgres  [kernel.kallsyms]              [k] ring_buffer_event_data             
     0.01%  postgres  [kernel.kallsyms]              [k] __rcu_pending                      
     0.01%  postgres  [kernel.kallsyms]              [k] __rb_reserve_next                  
     0.01%  postgres  [kernel.kallsyms]              [k] native_sched_clock                 
     0.01%  postgres  [kernel.kallsyms]              [k] sysret_careful                     
     0.01%  postgres  [kernel.kallsyms]              [k] account_user_time                  
     0.01%  postgres  [kernel.kallsyms]              [k] check_for_new_grace_period         
     0.01%  postgres  [kernel.kallsyms]              [k] __do_softirq                       
     0.01%  postgres  [kernel.kallsyms]              [k] clockevents_program_event          
     0.01%  postgres  postgres                       [.] MemoryContextSwitchTo              
     0.00%  postgres  postgres                       [.] PinBuffer                          
     0.00%  postgres  [kernel.kallsyms]              [k] enqueue_hrtimer                    
     0.00%  postgres  [kernel.kallsyms]              [k] account_process_tick               
     0.00%  postgres  [kernel.kallsyms]              [k] trace_current_buffer_lock_reserve  
     0.00%  postgres  [kernel.kallsyms]              [k] rcu_process_callbacks              
     0.00%  postgres  [kernel.kallsyms]              [k] sched_clock_tick                   
     0.00%  postgres  [kernel.kallsyms]              [k] raise_softirq                      
     0.00%  postgres  [kernel.kallsyms]              [k] sched_clock                        
     0.00%  postgres  [kernel.kallsyms]              [k] timekeeping_update                 
     0.00%  postgres  [kernel.kallsyms]              [k] do_softirq                         
     0.00%  postgres  postgres                       [.] ExecStoreMinimalTuple              
     0.00%  postgres  postgres                       [.] add_var                            
     0.00%  postgres  postgres                       [.] MemoryContextCallResetCallbacks    
     0.00%  postgres  postgres                       [.] strip_var                          
     0.00%  postgres  postgres                       [.] MemoryContextResetOnly             
     0.00%  postgres  postgres                       [.] core_yylex                         
     0.00%  postgres  [kernel.kallsyms]              [k] ktime_get_update_offsets           
     0.00%  postgres  [kernel.kallsyms]              [k] rb_erase                           
     0.00%  postgres  [kernel.kallsyms]              [k] rcu_irq_exit                       
     0.00%  postgres  [kernel.kallsyms]              [k] filter_current_check_discard       
     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_trace_userstack             
     0.00%  postgres  [kernel.kallsyms]              [k] update_vsyscall                    
     0.00%  postgres  [kernel.kallsyms]              [k] __run_hrtimer                      
     0.00%  postgres  [kernel.kallsyms]              [k] irq_enter                          
     0.00%  postgres  [kernel.kallsyms]              [k] save_args                          
     0.00%  postgres  [kernel.kallsyms]              [k] _spin_unlock_irqrestore            
     0.00%  postgres  [kernel.kallsyms]              [k] read_tsc                           
     0.00%  postgres  [kernel.kallsyms]              [k] _spin_trylock                      
     0.00%  postgres  [kernel.kallsyms]              [k] run_posix_cpu_timers               
     0.00%  postgres  [kernel.kallsyms]              [k] tick_dev_program_event             
     0.00%  postgres  postgres                       [.] TupleHashTableMatch                
     0.00%  postgres  [kernel.kallsyms]              [k] tracing_generic_entry_update       
     0.00%  postgres  libc-2.12.so                   [.] vfprintf                           
     0.00%  postgres  [kernel.kallsyms]              [k] tick_sched_timer                   
     0.00%  postgres  [kernel.kallsyms]              [k] smp_apic_timer_interrupt           
     0.00%  postgres  [nf_conntrack]                 [k] tcp_packet                         
     0.00%  postgres  [kernel.kallsyms]              [k] update_group_power                 
     0.00%  postgres  [kernel.kallsyms]              [k] rcu_bh_qs                          
     0.00%  postgres  [ixgbe]                        [k] ixgbe_xmit_frame_ring              
     0.00%  postgres  [kernel.kallsyms]              [k] acct_update_integrals              
     0.00%  postgres  [kernel.kallsyms]              [k] cpumask_next_and                   
     0.00%  postgres  [kernel.kallsyms]              [k] update_rt_offset                   
     0.00%  postgres  [kernel.kallsyms]              [k] rcu_irq_enter                      
     0.00%  postgres  [kernel.kallsyms]              [k] update_rq_clock                    
     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_run_pending                
     0.00%  postgres  [kernel.kallsyms]              [k] update_process_times               
     0.00%  postgres  [kernel.kallsyms]              [k] net_rx_action                      
     0.00%  postgres  [kernel.kallsyms]              [k] tick_program_event                 
     0.00%  postgres  [kernel.kallsyms]              [k] dma_issue_pending_all              
     0.00%  postgres  [kernel.kallsyms]              [k] ret_from_intr                      
     0.00%  postgres  [kernel.kallsyms]              [k] trace_buffer_lock_reserve          
     0.00%  postgres  [kernel.kallsyms]              [k] restore_args                       
     0.00%  postgres  [kernel.kallsyms]              [k] update_cfs_load                    
     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_trace_stack                 
     0.00%  postgres  [kernel.kallsyms]              [k] account_system_time                
     0.00%  postgres  [kernel.kallsyms]              [k] rcu_check_callbacks                
     0.00%  postgres  [kernel.kallsyms]              [k] trace_nowake_buffer_unlock_commit  
     0.00%  postgres  [kernel.kallsyms]              [k] irq_work_run                       
     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_disable                   
     0.00%  postgres  [kernel.kallsyms]              [k] hrtimer_forward                    
     0.00%  postgres  [nf_conntrack]                 [k] nf_conntrack_in                    
     0.00%  postgres  [kernel.kallsyms]              [k] exit_idle                          
     0.00%  postgres  [kernel.kallsyms]              [k] perf_pmu_enable                    
     0.00%  postgres  [kernel.kallsyms]              [k] run_local_timers                   
     0.00%  postgres  [kernel.kallsyms]              [k] sched_clock_cpu                    
     0.00%  postgres  postgres                       [.] pg_detoast_datum                   
     0.00%  postgres  [kernel.kallsyms]              [k] native_apic_mem_write              
     0.00%  postgres  [kernel.kallsyms]              [k] select_task_rq_fair                
     0.00%  postgres  [kernel.kallsyms]              [k] handle_edge_irq                    
     0.00%  postgres  [kernel.kallsyms]              [k] ftrace_raw_event_sched_stat_runtime
     0.00%  postgres  [kernel.kallsyms]              [k] __local_bh_enable                  
     0.00%  postgres  [kernel.kallsyms]              [k] do_sys_poll                        


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