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 44814 44.1083 delay_tsc 6649 6.5443 schedule 6627 6.5226 system_call 5028 4.9488 mwait_idle_with_hints 2846 2.8012 task_rq_lock 2049 2.0167 __copy_to_user_ll 1565 1.5404 getnstimeofday 1334 1.3130 __switch_to 1282 1.2618 resched_task 1258 1.2382 find_vma 1195 1.1762 enqueue_task 1089 1.0719 do_select 961 0.9459 unix_poll 874 0.8602 find_busiest_group 816 0.8031 sched_clock 763 0.7510 read_tsc 710 0.6988 __copy_from_user_ll 675 0.6644 unix_stream_recvmsg 644 0.6339 try_to_wake_up 608 0.5984 do_sys_poll 583 0.5738 mwait_idle 571 0.5620 unix_stream_sendmsg 569 0.5600 skb_dequeue 545 0.5364 ktime_get_ts 542 0.5335 timer_interrupt 539 0.5305 sock_wfree 506 0.4980 restore_nocheck 455 0.4478 syscall_exit 441 0.4341 __wake_up 440 0.4331 remove_wait_queue 437 0.4301 dnotify_parent 431 0.4242 sock_poll 430 0.4232 effective_prio 402 0.3957 add_wait_queue 365 0.3593 sys_clock_gettime 365 0.3593 unix_write_space 361 0.3553 sock_def_readable 356 0.3504 copy_to_user 348 0.3425 fget_light 328 0.3228 __pollwait 317 0.3120 __wake_up_common 273 0.2687 core_sys_select 268 0.2638 cond_resched 267 0.2628 tty_ldisc_deref 255 0.2510 cpu_idle 250 0.2461 do_readv_writev 249 0.2451 sock_alloc_send_skb 242 0.2382 tty_ldisc_try 238 0.2343 mutex_lock 234 0.2303 do_gettimeofday 223 0.2195 normal_poll 219 0.2156 lock_timer_base 214 0.2106 __alloc_skb 206 0.2028 recalc_task_prio 192 0.1890 sock_aio_read 192 0.1890 vfs_read 188 0.1850 __kmalloc 174 0.1713 kfree 171 0.1683 kmem_cache_alloc 170 0.1673 find_next_bit 170 0.1673 kmem_cache_free 166 0.1634 copy_from_user 166 0.1634 restore_all 162 0.1594 sys_select 160 0.1575 fput 145 0.1427 skb_queue_tail 144 0.1417 schedule_timeout 141 0.1388 poll_freewait 140 0.1378 do_sync_readv_writev 135 0.1329 dequeue_task 134 0.1319 do_sync_read 126 0.1240 free_poll_entry 126 0.1240 set_normalized_timespec 123 0.1211 rw_verify_area 122 0.1201 tty_poll 117 0.1152 mutex_unlock 117 0.1152 sock_aio_write 115 0.1132 rw_copy_check_uvector 114 0.1122 vfs_write 113 0.1112 memcpy 113 0.1112 sys_read 109 0.1073 apic_timer_interrupt 109 0.1073 inotify_inode_queue_event 103 0.1014 posix_ktime_get_ts 98 0.0965 memcpy_toiovec 97 0.0955 memcpy_fromiovec 97 0.0955 page_fault 95 0.0935 skb_queue_head 87 0.0856 profile_hit 78 0.0768 sys_readv 76 0.0748 sys_poll 75 0.0738 irq_entries_start 72 0.0709 __mod_timer 72 0.0709 sys_writev 69 0.0679 __d_lookup 64 0.0630 inotify_dentry_parent_queue_event 63 0.0620 __kfree_skb 62 0.0610 try_to_del_timer_sync 61 0.0600 do_sync_write 52 0.0512 __link_path_walk 51 0.0502 deactivate_task 50 0.0492 init_timer 47 0.0463 __first_cpu 45 0.0443 alloc_sock_iocb 44 0.0433 syscall_call 42 0.0413 __next_cpu 42 0.0413 kfree_skb 41 0.0404 sys_write 39 0.0384 __activate_task 38 0.0374 no_singlestep 37 0.0364 skb_release_data 35 0.0344 tty_ldisc_ref_wait 34 0.0335 tty_paranoia_check 29 0.0285 con_write_room 29 0.0285 kfree_skbmem 26 0.0256 _atomic_dec_and_lock 26 0.0256 do_timer 25 0.0246 __find_get_block 25 0.0246 sys_gettimeofday 24 0.0236 dummy_file_permission 23 0.0226 do_wp_page 22 0.0217 kunmap_atomic 21 0.0207 memcmp 20 0.0197 __switch_to_xtra 20 0.0197 handle_edge_irq 20 0.0197 scheduler_tick 19 0.0187 __handle_mm_fault 19 0.0187 default_wake_function 19 0.0187 find_get_page 18 0.0177 run_timer_softirq 17 0.0167 ahci_interrupt 17 0.0167 dummy_socket_recvmsg 17 0.0167 permission 17 0.0167 unmap_vmas 16 0.0157 vfs_readv 15 0.0148 clocksource_get_next 15 0.0148 del_timer_sync 15 0.0148 hrtimer_run_queues 15 0.0148 internal_add_timer 15 0.0148 rebalance_tick 13 0.0128 do_path_lookup 13 0.0128 strncpy_from_user 12 0.0118 __do_softirq 12 0.0118 do_page_fault 12 0.0118 get_task_mm 12 0.0118 page_address 12 0.0118 page_remove_rmap 11 0.0108 filemap_nopage 11 0.0108 get_page_from_freelist 11 0.0108 tty_hung_up_p 10 0.0098 copy_page_range 10 0.0098 dput 9 0.0089 raise_softirq 8 0.0079 do_softirq 8 0.0079 find_next_zero_bit 8 0.0079 free_hot_cold_page 8 0.0079 link_path_walk 8 0.0079 mmput 8 0.0079 radix_tree_lookup 8 0.0079 release_pages 8 0.0079 vfs_writev 7 0.0069 __follow_mount 7 0.0069 do_IRQ 7 0.0069 dummy_socket_sendmsg 7 0.0069 free_block 7 0.0069 up_read 7 0.0069 update_process_times 6 0.0059 __block_prepare_write 6 0.0059 __mark_inode_dirty 6 0.0059 __wake_up_bit 6 0.0059 account_system_time 6 0.0059 bio_alloc_bioset 6 0.0059 bit_waitqueue 6 0.0059 device_not_available 6 0.0059 down_read 6 0.0059 handle_IRQ_event 6 0.0059 irq_exit 6 0.0059 softlockup_tick 6 0.0059 work_resched 5 0.0049 __block_write_full_page 5 0.0049 __make_request 5 0.0049 block_read_full_page 5 0.0049 con_chars_in_buffer 5 0.0049 do_lookup 5 0.0049 down_read_trylock 5 0.0049 drain_array 5 0.0049 note_interrupt 5 0.0049 percpu_counter_mod 5 0.0049 smp_apic_timer_interrupt 4 0.0039 __find_get_block_slow 4 0.0039 __pagevec_lru_add_active 4 0.0039 ahci_qc_issue 4 0.0039 copy_process 4 0.0039 do_filp_open 4 0.0039 error_code 4 0.0039 free_pgtables 4 0.0039 nr_active 4 0.0039 open_namei 4 0.0039 sys_close 4 0.0039 vsnprintf 3 0.0030 __ata_qc_complete 3 0.0030 __dec_zone_page_state 3 0.0030 __pagevec_lru_add 3 0.0030 account_user_time 3 0.0030 alloc_inode 3 0.0030 ata_port_abort 3 0.0030 bio_put 3 0.0030 cache_alloc_refill 3 0.0030 complete 3 0.0030 do_mmap_pgoff 3 0.0030 dummy_socket_getpeersec_dgram 3 0.0030 end_buffer_async_write 3 0.0030 fd_install 3 0.0030 find_get_pages_tag 3 0.0030 flush_tlb_page 3 0.0030 generic_permission 3 0.0030 get_unused_fd 3 0.0030 lru_cache_add_active 3 0.0030 mempool_free 3 0.0030 mntput_no_expire 3 0.0030 radix_tree_gang_lookup_tag 3 0.0030 radix_tree_tag_clear 3 0.0030 rb_erase 3 0.0030 rb_insert_color 3 0.0030 resume_userspace 3 0.0030 run_posix_cpu_timers 3 0.0030 run_workqueue 3 0.0030 sigprocmask 3 0.0030 test_clear_page_dirty 2 0.0020 __brelse 2 0.0020 __d_path 2 0.0020 __end_that_request_first 2 0.0020 __generic_file_aio_write_nolock 2 0.0020 __inc_zone_page_state 2 0.0020 __inc_zone_state 2 0.0020 __insert_inode_hash 2 0.0020 __queue_work 2 0.0020 __rcu_pending 2 0.0020 __rcu_process_callbacks 2 0.0020 __set_page_dirty_buffers 2 0.0020 __writeback_single_inode 2 0.0020 ahci_scr_read 2 0.0020 ahci_start_engine 2 0.0020 anon_vma_prepare 2 0.0020 arch_get_unmapped_area_topdown 2 0.0020 as_merged_request 2 0.0020 ata_do_eh 2 0.0020 ata_qc_free 2 0.0020 ata_scsi_queuecmd 2 0.0020 atomic_notifier_call_chain 2 0.0020 check_disk_change 2 0.0020 do_generic_mapping_read 2 0.0020 dummy_inode_permission 2 0.0020 generic_file_buffered_write 2 0.0020 get_empty_filp 2 0.0020 getname 2 0.0020 half_md4_transform 2 0.0020 inode_sub_bytes 2 0.0020 kref_get 2 0.0020 kthread_should_stop 2 0.0020 ll_rw_block 2 0.0020 lookup_create 2 0.0020 mapping_tagged 2 0.0020 mark_page_accessed 2 0.0020 mempool_alloc 2 0.0020 move_native_irq 2 0.0020 page_add_file_rmap 2 0.0020 page_mkclean 2 0.0020 prio_tree_insert 2 0.0020 profile_tick 2 0.0020 radix_tree_tag_set 2 0.0020 rcu_pending 2 0.0020 rcu_process_callbacks 2 0.0020 run_local_timers 2 0.0020 scsi_prep_fn 2 0.0020 set_page_dirty 2 0.0020 static_prio_timeslice 2 0.0020 submit_bh 2 0.0020 sys_mkdirat 2 0.0020 sys_mmap2 2 0.0020 unlock_buffer 2 0.0020 unlock_page 2 0.0020 up_write 2 0.0020 vfs_getattr 2 0.0020 vfs_mkdir 2 0.0020 vfs_permission 2 0.0020 zone_watermark_ok 1 9.8e-04 __add_entropy_words 1 9.8e-04 __bread 1 9.8e-04 __do_page_cache_readahead 1 9.8e-04 __free_pipe_info 1 9.8e-04 __freed_request 1 9.8e-04 __invalidate_device 1 9.8e-04 __lookup_hash 1 9.8e-04 __page_set_anon_rmap 1 9.8e-04 __path_lookup_intent_open 1 9.8e-04 __remove_from_page_cache 1 9.8e-04 __rmqueue 1 9.8e-04 __scsi_iterate_devices 1 9.8e-04 __sock_create 1 9.8e-04 __tasklet_schedule 1 9.8e-04 __vma_link_rb 1 9.8e-04 _d_rehash 1 9.8e-04 _local_bh_enable 1 9.8e-04 ack_ioapic_irq 1 9.8e-04 add_timer_randomness 1 9.8e-04 add_to_page_cache 1 9.8e-04 add_to_page_cache_lru 1 9.8e-04 ahci_error_handler 1 9.8e-04 ahci_qc_prep 1 9.8e-04 ahci_stop_engine 1 9.8e-04 alloc_buffer_head 1 9.8e-04 alloc_page_buffers 1 9.8e-04 anon_vma_link 1 9.8e-04 as_activate_request 1 9.8e-04 as_choose_req 1 9.8e-04 as_dispatch_request 1 9.8e-04 ata_port_flush_task 1 9.8e-04 ata_qc_complete_multiple 1 9.8e-04 ata_qc_new_init 1 9.8e-04 ata_scsi_qc_new 1 9.8e-04 ata_tf_from_fis 1 9.8e-04 atapi_qc_complete 1 9.8e-04 bd_acquire 1 9.8e-04 bio_fs_destructor 1 9.8e-04 bio_phys_segments 1 9.8e-04 blk_end_sync_rq 1 9.8e-04 blk_recount_segments 1 9.8e-04 blk_remove_plug 1 9.8e-04 blk_rq_map_sg 1 9.8e-04 block_ioctl 1 9.8e-04 block_write_full_page 1 9.8e-04 cache_flusharray 1 9.8e-04 cache_reap 1 9.8e-04 can_vma_merge_after 1 9.8e-04 cap_vm_enough_memory 1 9.8e-04 cdrom_release 1 9.8e-04 check_userspace 1 9.8e-04 common_interrupt 1 9.8e-04 copy_vma 1 9.8e-04 count 1 9.8e-04 create_empty_buffers 1 9.8e-04 create_write_pipe 1 9.8e-04 current_fs_time 1 9.8e-04 d_alloc 1 9.8e-04 d_instantiate 1 9.8e-04 dcache_readdir 1 9.8e-04 dec_zone_page_state 1 9.8e-04 delayed_work_timer_fn 1 9.8e-04 dnotify_flush 1 9.8e-04 do_munmap 1 9.8e-04 do_sys_ftruncate 1 9.8e-04 dup_fd 1 9.8e-04 elv_insert 1 9.8e-04 elv_may_queue 1 9.8e-04 elv_next_request 1 9.8e-04 elv_queue_empty 1 9.8e-04 end_page_writeback 1 9.8e-04 end_that_request_last 1 9.8e-04 fget 1 9.8e-04 find_lock_page 1 9.8e-04 find_pid 1 9.8e-04 find_vma_prepare 1 9.8e-04 find_vma_prev 1 9.8e-04 finish_wait 1 9.8e-04 flush_cpu_workqueue 1 9.8e-04 free_buffer_head 1 9.8e-04 free_pages_and_swap_cache 1 9.8e-04 generic_file_mmap 1 9.8e-04 generic_writepages 1 9.8e-04 get_index 1 9.8e-04 get_io_context 1 9.8e-04 get_signal_to_deliver 1 9.8e-04 get_stats 1 9.8e-04 get_unmapped_area 1 9.8e-04 get_vmalloc_info 1 9.8e-04 groups_search 1 9.8e-04 init_request_from_bio 1 9.8e-04 inotify_d_instantiate 1 9.8e-04 ioread32 1 9.8e-04 kmap_atomic 1 9.8e-04 kmem_cache_zalloc 1 9.8e-04 kobject_get 1 9.8e-04 locks_remove_posix 1 9.8e-04 mark_buffer_dirty 1 9.8e-04 math_state_restore 1 9.8e-04 max_sane_readahead 1 9.8e-04 memmove 1 9.8e-04 mempool_alloc_slab 1 9.8e-04 mod_timer 1 9.8e-04 move_tasks 1 9.8e-04 nameidata_to_filp 1 9.8e-04 netif_receive_skb 1 9.8e-04 notifier_call_chain 1 9.8e-04 ordered_bio_endio 1 9.8e-04 packet_rcv_spkt 1 9.8e-04 page_cache_readahead 1 9.8e-04 page_waitqueue 1 9.8e-04 path_lookup_open 1 9.8e-04 pdflush 1 9.8e-04 pdflush_operation 1 9.8e-04 prio_tree_remove 1 9.8e-04 prio_tree_replace 1 9.8e-04 proc_pident_lookup 1 9.8e-04 pty_close 1 9.8e-04 pty_unthrottle 1 9.8e-04 put_files_struct 1 9.8e-04 put_filp 1 9.8e-04 put_page 1 9.8e-04 queue_delayed_work 1 9.8e-04 radix_tree_gang_lookup 1 9.8e-04 radix_tree_insert 1 9.8e-04 rb_next 1 9.8e-04 rcu_check_callbacks 1 9.8e-04 recalc_bh_state 1 9.8e-04 rekey_seq_generator 1 9.8e-04 ret_from_exception 1 9.8e-04 scsi_block_when_processing_errors 1 9.8e-04 scsi_eh_finish_cmd 1 9.8e-04 scsi_eh_flush_done_q 1 9.8e-04 scsi_finish_command 1 9.8e-04 scsi_get_command 1 9.8e-04 scsi_run_queue 1 9.8e-04 scsi_softirq_done 1 9.8e-04 seq_escape 1 9.8e-04 set_binfmt 1 9.8e-04 show_vfsmnt 1 9.8e-04 sk_run_filter 1 9.8e-04 sr_media_change 1 9.8e-04 sr_read_tochdr 1 9.8e-04 strnlen_user 1 9.8e-04 sync_sb_inodes 1 9.8e-04 sys_stat64 1 9.8e-04 tcp_sendmsg 1 9.8e-04 test_clear_page_writeback 1 9.8e-04 try_to_free_buffers 1 9.8e-04 tsc_update_callback 1 9.8e-04 vm_normal_page 1 9.8e-04 vma_prio_tree_remove 1 9.8e-04 vmtruncate 1 9.8e-04 wait_for_completion_timeout 1 9.8e-04 wake_up_bit 1 9.8e-04 wake_up_inode 1 9.8e-04 worker_thread