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 28775 25.3748 delay_tsc 21956 19.3616 system_call 7535 6.6446 getnstimeofday 5109 4.5053 schedule 4586 4.0441 __copy_to_user_ll 3930 3.4656 mwait_idle_with_hints 3425 3.0203 read_tsc 2996 2.6420 task_rq_lock 2828 2.4938 ktime_get_ts 1715 1.5123 restore_nocheck 1387 1.2231 copy_to_user 1305 1.1508 syscall_exit 1180 1.0406 sys_clock_gettime 1070 0.9436 __switch_to 1048 0.9242 resched_task 1037 0.9145 do_select 909 0.8016 do_sys_poll 846 0.7460 unix_poll 816 0.7196 enqueue_task 735 0.6481 __copy_from_user_ll 714 0.6296 try_to_wake_up 658 0.5802 sched_clock 639 0.5635 find_vma 609 0.5370 unix_stream_sendmsg 601 0.5300 set_normalized_timespec 594 0.5238 find_busiest_group 583 0.5141 unix_stream_recvmsg 563 0.4965 cond_resched 521 0.4594 restore_all 482 0.4250 __wake_up 447 0.3942 skb_dequeue 442 0.3898 posix_ktime_get_ts 420 0.3704 __wake_up_common 417 0.3677 sock_def_readable 395 0.3483 add_wait_queue 394 0.3474 mwait_idle 374 0.3298 core_sys_select 366 0.3228 __pollwait 360 0.3175 remove_wait_queue 360 0.3175 sock_poll 357 0.3148 sock_wfree 343 0.3025 dnotify_parent 326 0.2875 timer_interrupt 317 0.2795 fget_light 317 0.2795 sock_alloc_send_skb 301 0.2654 effective_prio 290 0.2557 unix_write_space 241 0.2125 skb_queue_tail 241 0.2125 tty_ldisc_try 238 0.2099 __alloc_skb 238 0.2099 do_gettimeofday 220 0.1940 __kmalloc 214 0.1887 do_readv_writev 210 0.1852 kmem_cache_alloc 201 0.1772 normal_poll 197 0.1737 tty_ldisc_deref 177 0.1561 mutex_lock 173 0.1526 cpu_idle 170 0.1499 sock_aio_read 167 0.1473 copy_from_user 155 0.1367 sys_select 153 0.1349 fput 137 0.1208 lock_timer_base 129 0.1138 do_sync_readv_writev 129 0.1138 vfs_read 128 0.1129 schedule_timeout 126 0.1111 __d_lookup 125 0.1102 rw_verify_area 118 0.1041 kmem_cache_free 117 0.1032 do_sync_read 117 0.1032 recalc_task_prio 115 0.1014 find_next_bit 111 0.0979 kfree 111 0.0979 no_singlestep 110 0.0970 poll_freewait 106 0.0935 free_poll_entry 105 0.0926 sock_aio_write 102 0.0899 tty_poll 100 0.0882 sys_read 96 0.0847 inotify_inode_queue_event 94 0.0829 mutex_unlock 94 0.0829 rw_copy_check_uvector 92 0.0811 memcpy 92 0.0811 syscall_call 86 0.0758 sys_writev 83 0.0732 __activate_task 82 0.0723 vfs_write 81 0.0714 memcpy_toiovec 76 0.0670 apic_timer_interrupt 76 0.0670 dequeue_task 73 0.0644 page_fault 72 0.0635 skb_queue_head 67 0.0591 profile_hit 65 0.0573 sys_poll 65 0.0573 sys_readv 59 0.0520 __link_path_walk 59 0.0520 alloc_sock_iocb 55 0.0485 memcpy_fromiovec 52 0.0459 __mod_timer 47 0.0414 inotify_dentry_parent_queue_event 47 0.0414 try_to_del_timer_sync 46 0.0406 __next_cpu 44 0.0388 irq_entries_start 44 0.0388 sys_write 43 0.0379 skb_release_data 40 0.0353 do_sync_write 37 0.0326 __first_cpu 37 0.0326 _atomic_dec_and_lock 35 0.0309 __kfree_skb 33 0.0291 tty_ldisc_ref_wait 32 0.0282 kfree_skb 30 0.0265 deactivate_task 26 0.0229 dummy_file_permission 26 0.0229 init_timer 25 0.0220 default_wake_function 25 0.0220 do_timer 21 0.0185 __find_get_block 21 0.0185 __handle_mm_fault 20 0.0176 find_get_page 20 0.0176 kfree_skbmem 20 0.0176 scheduler_tick 19 0.0168 con_write_room 19 0.0168 do_wp_page 19 0.0168 tty_paranoia_check 18 0.0159 permission 17 0.0150 hrtimer_run_queues 16 0.0141 __switch_to_xtra 16 0.0141 memcmp 16 0.0141 sys_gettimeofday 15 0.0132 dummy_socket_getpeersec_dgram 15 0.0132 kunmap_atomic 14 0.0123 get_page_from_freelist 13 0.0115 handle_edge_irq 12 0.0106 unmap_vmas 11 0.0097 do_page_fault 11 0.0097 flush_tlb_page 11 0.0097 run_timer_softirq 10 0.0088 clocksource_get_next 10 0.0088 do_path_lookup 10 0.0088 strncpy_from_user 9 0.0079 del_timer_sync 9 0.0079 dput 9 0.0079 dummy_socket_recvmsg 9 0.0079 generic_permission 9 0.0079 get_task_mm 8 0.0071 __brelse 8 0.0071 do_lookup 8 0.0071 nr_active 8 0.0071 tty_hung_up_p 8 0.0071 vfs_writev 7 0.0062 copy_page_range 7 0.0062 irq_exit 7 0.0062 page_remove_rmap 7 0.0062 radix_tree_lookup 7 0.0062 up_read 7 0.0062 vfs_readv 6 0.0053 __do_softirq 6 0.0053 down_read_trylock 6 0.0053 dummy_socket_sendmsg 6 0.0053 internal_add_timer 6 0.0053 kmap_atomic 6 0.0053 page_address 6 0.0053 reschedule_interrupt 6 0.0053 send_IPI_mask_bitmask 6 0.0053 update_process_times 5 0.0044 __block_prepare_write 5 0.0044 __follow_mount 5 0.0044 __pagevec_lru_add_active 5 0.0044 __wake_up_bit 5 0.0044 alloc_page_buffers 5 0.0044 bit_waitqueue 5 0.0044 cache_alloc_refill 5 0.0044 con_chars_in_buffer 5 0.0044 raise_softirq 5 0.0044 rebalance_tick 5 0.0044 work_resched 4 0.0035 cache_reap 4 0.0035 do_mmap_pgoff 4 0.0035 down_read 4 0.0035 drain_array 4 0.0035 error_code 4 0.0035 filemap_nopage 4 0.0035 free_block 4 0.0035 mmput 4 0.0035 radix_tree_tag_set 4 0.0035 release_pages 4 0.0035 smp_apic_timer_interrupt 4 0.0035 softlockup_tick 4 0.0035 unlock_buffer 3 0.0026 __dec_zone_page_state 3 0.0026 __find_get_block_slow 3 0.0026 __insert_inode_hash 3 0.0026 __make_request 3 0.0026 alloc_inode 3 0.0026 do_IRQ 3 0.0026 handle_IRQ_event 3 0.0026 kmem_cache_zalloc 3 0.0026 prio_tree_insert 3 0.0026 run_posix_cpu_timers 3 0.0026 strnlen_user 3 0.0026 vfs_permission 3 0.0026 work_pending 2 0.0018 __getblk 2 0.0018 __page_set_anon_rmap 2 0.0018 __rcu_pending 2 0.0018 _local_bh_enable 2 0.0018 account_user_time 2 0.0018 anon_vma_prepare 2 0.0018 cascade 2 0.0018 check_userspace 2 0.0018 clear_user 2 0.0018 copy_process 2 0.0018 copy_strings 2 0.0018 d_alloc 2 0.0018 d_splice_alias 2 0.0018 do_wait 2 0.0018 drive_stat_acct 2 0.0018 expand_files 2 0.0018 file_move 2 0.0018 find_next_zero_bit 2 0.0018 free_hot_cold_page 2 0.0018 free_pages_and_swap_cache 2 0.0018 free_pgtables 2 0.0018 get_super 2 0.0018 get_unused_fd 2 0.0018 link_path_walk 2 0.0018 load_elf_binary 2 0.0018 mark_buffer_dirty 2 0.0018 move_tasks 2 0.0018 note_interrupt 2 0.0018 page_add_file_rmap 2 0.0018 prepare_to_wait 2 0.0018 profile_tick 2 0.0018 rcu_check_callbacks 2 0.0018 resume_userspace 2 0.0018 ret_from_exception 2 0.0018 run_workqueue 2 0.0018 seq_puts 2 0.0018 sys_mprotect 2 0.0018 sys_rt_sigprocmask 2 0.0018 unlink_file_vma 2 0.0018 vm_normal_page 2 0.0018 vma_merge 2 0.0018 vsnprintf 1 8.8e-04 __alloc_pages 1 8.8e-04 __anon_vma_link 1 8.8e-04 __ata_eh_qc_complete 1 8.8e-04 __ata_qc_complete 1 8.8e-04 __get_zone_counts 1 8.8e-04 __inc_zone_page_state 1 8.8e-04 __inc_zone_state 1 8.8e-04 __mark_inode_dirty 1 8.8e-04 __rb_rotate_left 1 8.8e-04 __rb_rotate_right 1 8.8e-04 __rcu_process_callbacks 1 8.8e-04 __remove_shared_vm_struct 1 8.8e-04 __rmqueue 1 8.8e-04 __set_page_dirty_buffers 1 8.8e-04 __set_page_dirty_nobuffers 1 8.8e-04 __unix_insert_socket 1 8.8e-04 add_to_page_cache 1 8.8e-04 ahci_interrupt 1 8.8e-04 ahci_qc_issue 1 8.8e-04 alloc_buffer_head 1 8.8e-04 arp_process 1 8.8e-04 as_find_next_rq 1 8.8e-04 ata_exec_internal 1 8.8e-04 ata_qc_free 1 8.8e-04 ata_qc_new_init 1 8.8e-04 bio_alloc_bioset 1 8.8e-04 blk_recount_segments 1 8.8e-04 block_read_full_page 1 8.8e-04 call_rcu 1 8.8e-04 cap_vm_enough_memory 1 8.8e-04 cdev_get 1 8.8e-04 create_empty_buffers 1 8.8e-04 current_fs_time 1 8.8e-04 current_tick_length 1 8.8e-04 d_instantiate 1 8.8e-04 d_path 1 8.8e-04 d_rehash 1 8.8e-04 dcache_readdir 1 8.8e-04 do_brk 1 8.8e-04 do_invalidatepage 1 8.8e-04 do_notify_parent 1 8.8e-04 do_softirq 1 8.8e-04 do_sys_ftruncate 1 8.8e-04 do_sys_open 1 8.8e-04 dummy_inode_permission 1 8.8e-04 dup_fd 1 8.8e-04 elv_dequeue_request 1 8.8e-04 elv_merge 1 8.8e-04 exact_lock 1 8.8e-04 fget 1 8.8e-04 file_update_time 1 8.8e-04 filp_close 1 8.8e-04 find_get_pages_tag 1 8.8e-04 find_lock_page 1 8.8e-04 find_vma_prepare 1 8.8e-04 flush_old_exec 1 8.8e-04 free_pgd_range 1 8.8e-04 generic_fillattr 1 8.8e-04 get_disk 1 8.8e-04 get_empty_filp 1 8.8e-04 get_request 1 8.8e-04 get_unmapped_area 1 8.8e-04 groups_search 1 8.8e-04 hash 1 8.8e-04 hweight32 1 8.8e-04 iget_locked 1 8.8e-04 in_group_p 1 8.8e-04 inode_change_ok 1 8.8e-04 inode_sub_bytes 1 8.8e-04 ip_route_input 1 8.8e-04 kref_get 1 8.8e-04 lock_hrtimer_base 1 8.8e-04 lookup_create 1 8.8e-04 math_state_restore 1 8.8e-04 mempool_free 1 8.8e-04 move_native_irq 1 8.8e-04 new_inode 1 8.8e-04 notifier_call_chain 1 8.8e-04 notify_change 1 8.8e-04 page_waitqueue 1 8.8e-04 path_release 1 8.8e-04 pgd_free 1 8.8e-04 pipe_read 1 8.8e-04 prio_tree_remove 1 8.8e-04 prio_tree_replace 1 8.8e-04 profile_pc 1 8.8e-04 put_page 1 8.8e-04 radix_tree_delete 1 8.8e-04 radix_tree_gang_lookup 1 8.8e-04 rb_insert_color 1 8.8e-04 rb_next 1 8.8e-04 rcu_process_callbacks 1 8.8e-04 rt_check_expire 1 8.8e-04 run_local_timers 1 8.8e-04 sched_balance_self 1 8.8e-04 scsi_get_command 1 8.8e-04 sha_transform 1 8.8e-04 sk_run_filter 1 8.8e-04 skb_recv_datagram 1 8.8e-04 smp_reschedule_interrupt 1 8.8e-04 sock_map_fd 1 8.8e-04 split_vma 1 8.8e-04 submit_bh 1 8.8e-04 sys_close 1 8.8e-04 tasklet_action 1 8.8e-04 tcp_ack_saw_tstamp 1 8.8e-04 tcp_rtt_estimator 1 8.8e-04 test_clear_page_dirty 1 8.8e-04 test_clear_page_writeback 1 8.8e-04 timespec_trunc 1 8.8e-04 truncate_inode_pages_range 1 8.8e-04 unlock_page 1 8.8e-04 unmap_region 1 8.8e-04 vfs_create 1 8.8e-04 vfs_getattr 1 8.8e-04 vm_acct_memory 1 8.8e-04 vma_adjust 1 8.8e-04 vma_link 1 8.8e-04 vma_prio_tree_add 1 8.8e-04 wake_up_bit