CPU: Core 2, speed 2133.47 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000 samples % symbol name 20556 36.4255 delay_tsc 4870 8.6297 system_call 3711 6.5759 schedule 1835 3.2516 mwait_idle_with_hints 1413 2.5039 __copy_to_user_ll 1190 2.1087 task_rq_lock 976 1.7295 getnstimeofday 895 1.5860 __switch_to 695 1.2315 do_select 648 1.1483 do_sys_poll 636 1.1270 find_vma 630 1.1164 __copy_from_user_ll 572 1.0136 unix_stream_recvmsg 552 0.9782 read_tsc 547 0.9693 unix_poll 545 0.9657 unix_stream_sendmsg 505 0.8949 resched_task 472 0.8364 skb_dequeue 462 0.8187 sched_clock 384 0.6805 restore_nocheck 384 0.6805 try_to_wake_up 367 0.6503 remove_wait_queue 361 0.6397 __pollwait 360 0.6379 add_wait_queue 358 0.6344 fget_light 349 0.6184 enqueue_task 349 0.6184 ktime_get_ts 316 0.5600 sock_wfree 313 0.5546 core_sys_select 305 0.5405 timer_interrupt 300 0.5316 dnotify_parent 300 0.5316 syscall_exit 294 0.5210 __wake_up 287 0.5086 find_busiest_group 286 0.5068 unix_write_space 255 0.4519 __alloc_skb 247 0.4377 sock_def_readable 241 0.4271 copy_to_user 241 0.4271 sys_clock_gettime 235 0.4164 do_gettimeofday 235 0.4164 sock_alloc_send_skb 222 0.3934 effective_prio 214 0.3792 __wake_up_common 206 0.3650 cond_resched 183 0.3243 mutex_lock 182 0.3225 sock_aio_read 175 0.3101 kmem_cache_free 171 0.3030 sock_poll 170 0.3012 __kmalloc 169 0.2995 kmem_cache_alloc 166 0.2942 do_readv_writev 164 0.2906 rw_verify_area 163 0.2888 mwait_idle 162 0.2871 kfree 161 0.2853 skb_queue_tail 157 0.2782 normal_poll 148 0.2623 fput 148 0.2623 tty_ldisc_deref 137 0.2428 sys_select 136 0.2410 vfs_read 134 0.2374 copy_from_user 131 0.2321 schedule_timeout 130 0.2304 restore_all 128 0.2268 tty_ldisc_try 125 0.2215 sock_aio_write 119 0.2109 do_sync_read 119 0.2109 poll_freewait 115 0.2038 free_poll_entry 110 0.1949 __d_lookup 110 0.1949 recalc_task_prio 109 0.1931 rw_copy_check_uvector 108 0.1914 do_sync_readv_writev 108 0.1914 sys_read 103 0.1825 memcpy 101 0.1790 mutex_unlock 94 0.1666 sys_readv 93 0.1648 page_fault 85 0.1506 posix_ktime_get_ts 78 0.1382 cpu_idle 76 0.1347 inotify_inode_queue_event 75 0.1329 lock_timer_base 74 0.1311 tty_poll 73 0.1294 skb_queue_head 73 0.1294 sys_writev 71 0.1258 memcpy_toiovec 69 0.1223 vfs_write 66 0.1170 find_next_bit 66 0.1170 set_normalized_timespec 66 0.1170 sys_poll 65 0.1152 do_sync_write 59 0.1045 apic_timer_interrupt 58 0.1028 __kfree_skb 52 0.0921 __activate_task 52 0.0921 dequeue_task 50 0.0886 memcpy_fromiovec 48 0.0851 inotify_dentry_parent_queue_event 48 0.0851 profile_hit 45 0.0797 __link_path_walk 45 0.0797 alloc_sock_iocb 43 0.0762 irq_entries_start 34 0.0602 _atomic_dec_and_lock 34 0.0602 tty_paranoia_check 33 0.0585 kfree_skb 32 0.0567 work_resched 31 0.0549 skb_release_data 30 0.0532 sys_write 29 0.0514 __find_get_block 28 0.0496 syscall_call 27 0.0478 __handle_mm_fault 27 0.0478 default_wake_function 26 0.0461 __next_cpu 25 0.0443 dummy_file_permission 24 0.0425 con_write_room 22 0.0390 __mod_timer 22 0.0390 tty_ldisc_ref_wait 21 0.0372 get_task_mm 21 0.0372 memcmp 20 0.0354 no_singlestep 19 0.0337 find_get_page 19 0.0337 try_to_del_timer_sync 18 0.0319 __switch_to_xtra 18 0.0319 deactivate_task 18 0.0319 get_page_from_freelist 18 0.0319 sys_gettimeofday 17 0.0301 do_page_fault 17 0.0301 do_timer 17 0.0301 do_wp_page 16 0.0284 kfree_skbmem 15 0.0266 work_pending 14 0.0248 flush_tlb_page 14 0.0248 kunmap_atomic 13 0.0230 do_path_lookup 13 0.0230 dummy_socket_getpeersec_dgram 13 0.0230 strncpy_from_user 12 0.0213 hrtimer_run_queues 12 0.0213 page_address 12 0.0213 unmap_vmas 12 0.0213 vfs_writev 11 0.0195 dummy_socket_sendmsg 11 0.0195 handle_edge_irq 11 0.0195 run_timer_softirq 11 0.0195 vfs_readv 10 0.0177 __do_softirq 10 0.0177 dummy_socket_recvmsg 10 0.0177 init_timer 10 0.0177 update_process_times 9 0.0159 copy_page_range 9 0.0159 scheduler_tick 8 0.0142 clocksource_get_next 8 0.0142 del_timer_sync 7 0.0124 alloc_inode 7 0.0124 do_lookup 7 0.0124 dput 7 0.0124 irq_exit 7 0.0124 page_remove_rmap 7 0.0124 rebalance_tick 7 0.0124 reschedule_interrupt 7 0.0124 tty_hung_up_p 6 0.0106 __first_cpu 6 0.0106 do_softirq 6 0.0106 down_read 6 0.0106 internal_add_timer 6 0.0106 nr_active 6 0.0106 permission 6 0.0106 release_pages 6 0.0106 smp_apic_timer_interrupt 5 0.0089 __find_get_block_slow 5 0.0089 __follow_mount 5 0.0089 __wake_up_bit 5 0.0089 bit_waitqueue 5 0.0089 drain_array 5 0.0089 filemap_nopage 5 0.0089 free_block 5 0.0089 up_read 4 0.0071 __alloc_pages 4 0.0071 error_code 4 0.0071 find_next_zero_bit 4 0.0071 find_vma_prepare 4 0.0071 mark_page_accessed 4 0.0071 note_interrupt 4 0.0071 unlock_buffer 3 0.0053 __dec_zone_page_state 3 0.0053 __mark_inode_dirty 3 0.0053 __pagevec_lru_add_active 3 0.0053 cache_alloc_refill 3 0.0053 con_chars_in_buffer 3 0.0053 d_alloc 3 0.0053 do_IRQ 3 0.0053 flush_old_exec 3 0.0053 generic_permission 3 0.0053 get_vmalloc_info 3 0.0053 kmap_atomic 3 0.0053 lru_cache_add_active 3 0.0053 math_state_restore 3 0.0053 mmput 3 0.0053 radix_tree_lookup 3 0.0053 sys_mkdirat 3 0.0053 tsc_update_callback 3 0.0053 vm_normal_page 2 0.0035 __block_prepare_write 2 0.0035 __end_that_request_first 2 0.0035 __fput 2 0.0035 __insert_inode_hash 2 0.0035 __lookup_hash 2 0.0035 __make_request 2 0.0035 __set_page_dirty_buffers 2 0.0035 account_system_time 2 0.0035 ahci_interrupt 2 0.0035 alloc_page_buffers 2 0.0035 arch_get_unmapped_area_topdown 2 0.0035 ata_port_abort 2 0.0035 ata_qc_new_init 2 0.0035 balance_dirty_pages_ratelimited_nr 2 0.0035 block_read_full_page 2 0.0035 common_interrupt 2 0.0035 copy_process 2 0.0035 do_sys_ftruncate 2 0.0035 find_get_pages 2 0.0035 find_lock_page 2 0.0035 get_index 2 0.0035 handle_IRQ_event 2 0.0035 inode_sub_bytes 2 0.0035 kref_put 2 0.0035 link_path_walk 2 0.0035 lookup_create 2 0.0035 notifier_call_chain 2 0.0035 number 2 0.0035 open_namei 2 0.0035 page_add_file_rmap 2 0.0035 profile_pc 2 0.0035 radix_tree_insert 2 0.0035 raise_softirq 2 0.0035 resume_userspace 2 0.0035 run_posix_cpu_timers 2 0.0035 run_workqueue 2 0.0035 scsi_request_fn 2 0.0035 send_IPI_mask_bitmask 2 0.0035 set_bh_page 2 0.0035 submit_bh 2 0.0035 sync_sb_inodes 2 0.0035 sys_close 2 0.0035 touch_atime 2 0.0035 vfs_permission 2 0.0035 vma_link 2 0.0035 vma_merge 2 0.0035 wake_up_bit 2 0.0035 zone_watermark_ok 1 0.0018 __bread 1 0.0018 __const_udelay 1 0.0018 __d_path 1 0.0018 __dequeue_signal 1 0.0018 __generic_unplug_device 1 0.0018 __pagevec_free 1 0.0018 __path_lookup_intent_open 1 0.0018 __pte_alloc 1 0.0018 __rb_rotate_right 1 0.0018 __rcu_pending 1 0.0018 __rmqueue 1 0.0018 __scsi_iterate_devices 1 0.0018 __tcp_push_pending_frames 1 0.0018 __vma_link 1 0.0018 _local_bh_enable 1 0.0018 add_timer_randomness 1 0.0018 ahci_qc_issue 1 0.0018 ahci_start_engine 1 0.0018 anon_vma_link 1 0.0018 anon_vma_unlink 1 0.0018 ata_do_eh 1 0.0018 atapi_qc_complete 1 0.0018 atomic_notifier_call_chain 1 0.0018 bio_alloc_bioset 1 0.0018 bio_put 1 0.0018 blockable_page_cache_readahead 1 0.0018 cache_reap 1 0.0018 call_rcu 1 0.0018 check_userspace 1 0.0018 copy_strings 1 0.0018 copy_vma 1 0.0018 current_fs_time 1 0.0018 d_instantiate 1 0.0018 d_lookup 1 0.0018 delayed_work_timer_fn 1 0.0018 dequeue_signal 1 0.0018 device_not_available 1 0.0018 do_execve 1 0.0018 do_fcntl 1 0.0018 do_mpage_readpage 1 0.0018 do_mremap 1 0.0018 do_notify_resume 1 0.0018 do_sys_open 1 0.0018 down_read_trylock 1 0.0018 down_write 1 0.0018 dummy_file_alloc_security 1 0.0018 elv_insert 1 0.0018 end_buffer_async_write 1 0.0018 fd_install 1 0.0018 file_kill 1 0.0018 file_ra_state_init 1 0.0018 find_busiest_queue 1 0.0018 find_mergeable_anon_vma 1 0.0018 free_hot_cold_page 1 0.0018 free_pgtables 1 0.0018 generic_file_aio_write 1 0.0018 generic_file_mmap 1 0.0018 generic_file_open 1 0.0018 get_empty_filp 1 0.0018 get_unused_fd 1 0.0018 get_write_access 1 0.0018 half_md4_transform 1 0.0018 in_lock_functions 1 0.0018 inet_dump_ifaddr 1 0.0018 init_buffer 1 0.0018 inode_add_bytes 1 0.0018 kernel_read 1 0.0018 kmem_cache_zalloc 1 0.0018 locks_remove_posix 1 0.0018 may_expand_vm 1 0.0018 may_open 1 0.0018 mempool_alloc 1 0.0018 mntput_no_expire 1 0.0018 nameidata_to_filp 1 0.0018 neigh_periodic_timer 1 0.0018 new_inode 1 0.0018 notify_change 1 0.0018 page_waitqueue 1 0.0018 pipe_read 1 0.0018 prepare_binprm 1 0.0018 prio_tree_remove 1 0.0018 profile_tick 1 0.0018 put_page 1 0.0018 put_pid 1 0.0018 radix_tree_tag_clear 1 0.0018 radix_tree_tag_set 1 0.0018 recalc_sigpending_tsk 1 0.0018 ret_from_exception 1 0.0018 scsi_device_unbusy 1 0.0018 scsi_eh_flush_done_q 1 0.0018 scsi_log_completion 1 0.0018 scsi_run_queue 1 0.0018 seq_puts 1 0.0018 smp_send_reschedule 1 0.0018 sock_close 1 0.0018 softlockup_tick 1 0.0018 split_vma 1 0.0018 sr_block_ioctl 1 0.0018 sys_fstat64 1 0.0018 sys_munmap 1 0.0018 syscall_exit_work 1 0.0018 tcp_ack 1 0.0018 tcp_sendmsg 1 0.0018 test_clear_page_dirty 1 0.0018 test_clear_page_writeback 1 0.0018 unlink_file_vma 1 0.0018 unlock_page 1 0.0018 unmap_mapping_range 1 0.0018 vfs_getattr 1 0.0018 vfs_ioctl 1 0.0018 vm_acct_memory 1 0.0018 vmtruncate 1 0.0018 vsnprintf 1 0.0018 wait_for_completion_timeout 1 0.0018 worker_thread