CPU: Core 2, speed 2133.49 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 4769 35.1748 get_page_from_freelist 1578 11.6389 page_fault 1250 9.2196 kunmap_atomic 566 4.1747 unmap_vmas 552 4.0714 __handle_mm_fault 483 3.5625 find_vma 360 2.6553 __rmqueue 318 2.3455 __copy_to_user_ll 256 1.8882 do_page_fault 248 1.8292 release_pages 244 1.7997 __pagevec_lru_add_active 212 1.5637 free_hot_cold_page 192 1.4161 page_address 164 1.2096 lru_cache_add_active 117 0.8630 down_read_trylock 114 0.8408 __copy_from_user_ll 109 0.8040 page_remove_rmap 98 0.7228 __alloc_pages 95 0.7007 error_code 86 0.6343 up_read 67 0.4942 restore_nocheck 65 0.4794 __dec_zone_page_state 59 0.4352 free_pages_bulk 50 0.3688 zone_watermark_ok 46 0.3393 timer_interrupt 39 0.2877 ret_from_exception 38 0.2803 __copy_from_user_ll_nozero 36 0.2655 cond_resched 33 0.2434 __d_lookup 33 0.2434 resume_userspace 32 0.2360 system_call 30 0.2213 __inc_zone_state 27 0.1991 do_wp_page 26 0.1918 kmem_cache_alloc 26 0.1918 notifier_call_chain 25 0.1844 unix_stream_sendmsg 24 0.1770 fget_light 22 0.1623 dnotify_parent 22 0.1623 vm_normal_page 19 0.1401 __link_path_walk 19 0.1401 unix_stream_recvmsg 18 0.1328 __page_set_anon_rmap 16 0.1180 __kmalloc 15 0.1106 __inc_zone_page_state 15 0.1106 kfree 15 0.1106 kmap_atomic 15 0.1106 kmem_cache_free 15 0.1106 mwait_idle_with_hints 15 0.1106 page_add_new_anon_rmap 15 0.1106 rebalance_tick 15 0.1106 rw_verify_area 14 0.1033 _atomic_dec_and_lock 13 0.0959 anon_vma_prepare 13 0.0959 free_pages_and_swap_cache 13 0.0959 hrtimer_run_queues 12 0.0885 check_userspace 11 0.0811 inotify_inode_queue_event 10 0.0738 __alloc_skb 10 0.0738 __rcu_pending 10 0.0738 account_user_time 10 0.0738 find_get_page 10 0.0738 run_timer_softirq 10 0.0738 schedule 9 0.0664 __wake_up 9 0.0664 apic_timer_interrupt 9 0.0664 scheduler_tick 9 0.0664 search_extable 9 0.0664 smp_apic_timer_interrupt 8 0.0590 __block_write_full_page 8 0.0590 __do_softirq 8 0.0590 __pagevec_free 8 0.0590 cache_alloc_refill 8 0.0590 flush_tlb_page 8 0.0590 free_block 8 0.0590 handle_edge_irq 8 0.0590 sched_clock 8 0.0590 softlockup_tick 8 0.0590 vfs_read 7 0.0516 filemap_nopage 7 0.0516 memcmp 7 0.0516 sock_wfree 7 0.0516 vma_adjust 6 0.0443 __set_page_dirty_nobuffers 6 0.0443 alloc_sock_iocb 6 0.0443 atomic_notifier_call_chain 6 0.0443 copy_process 6 0.0443 copy_to_user 6 0.0443 do_mmap_pgoff 6 0.0443 do_path_lookup 6 0.0443 irq_exit 6 0.0443 memcpy 6 0.0443 restore_all 6 0.0443 run_posix_cpu_timers 6 0.0443 skb_dequeue 6 0.0443 skb_queue_head 6 0.0443 sock_alloc_send_skb 6 0.0443 sock_def_readable 6 0.0443 sys_read 6 0.0443 test_clear_page_writeback 5 0.0369 __sigqueue_alloc 5 0.0369 __switch_to 5 0.0369 clear_page_dirty_for_io 5 0.0369 clocksource_get_next 5 0.0369 do_readv_writev 5 0.0369 do_softirq 5 0.0369 do_timer 5 0.0369 drain_array 5 0.0369 find_get_pages_tag 5 0.0369 find_vma_prev 5 0.0369 generic_permission 5 0.0369 irq_entries_start 5 0.0369 memcpy_toiovec 5 0.0369 sock_aio_write 4 0.0295 __find_get_block 4 0.0295 __vma_link_rb 4 0.0295 current_tick_length 4 0.0295 do_gettimeofday 4 0.0295 dup_fd 4 0.0295 flush_tlb_mm 4 0.0295 note_interrupt 4 0.0295 prio_tree_insert 4 0.0295 radix_tree_lookup 4 0.0295 raise_softirq 4 0.0295 read_tsc 4 0.0295 smp_send_timer_broadcast_ipi 4 0.0295 sys_munmap 4 0.0295 test_set_page_writeback 4 0.0295 unlock_buffer 4 0.0295 unmap_region 4 0.0295 vm_acct_memory 3 0.0221 __dequeue_signal 3 0.0221 __rcu_process_callbacks 3 0.0221 ack_ioapic_irq 3 0.0221 arch_get_unmapped_area_topdown 3 0.0221 bit_waitqueue 3 0.0221 block_write_full_page 3 0.0221 copy_from_user 3 0.0221 copy_page_range 3 0.0221 do_lookup 3 0.0221 down_read 3 0.0221 dummy_file_permission 3 0.0221 find_next_zero_bit 3 0.0221 generic_writepages 3 0.0221 iret_exc 3 0.0221 lru_add_drain 3 0.0221 mutex_lock 3 0.0221 page_add_file_rmap 3 0.0221 permission 3 0.0221 proc_lookup 3 0.0221 profile_hit 3 0.0221 rcu_pending 3 0.0221 send_group_sig_info 3 0.0221 sys_mkdir 3 0.0221 syscall_exit 3 0.0221 task_rq_lock 3 0.0221 unix_poll 2 0.0148 __brelse 2 0.0148 __d_path 2 0.0148 __find_get_block_slow 2 0.0148 __kfree_skb 2 0.0148 __mark_inode_dirty 2 0.0148 __next_cpu 2 0.0148 __wake_up_bit 2 0.0148 _local_bh_enable 2 0.0148 anon_vma_link 2 0.0148 check_kill_permission 2 0.0148 core_sys_select 2 0.0148 cp_new_stat64 2 0.0148 d_alloc 2 0.0148 do_mpage_readpage 2 0.0148 do_notify_resume 2 0.0148 do_sigaction 2 0.0148 do_sync_write 2 0.0148 do_sys_poll 2 0.0148 dummy_task_kill 2 0.0148 find_next_bit 2 0.0148 find_vma_prepare 2 0.0148 fixup_exception 2 0.0148 free_pgtables 2 0.0148 get_task_mm 2 0.0148 inotify_dentry_parent_queue_event 2 0.0148 kfree_skb 2 0.0148 memcpy_fromiovec 2 0.0148 move_page_tables 2 0.0148 new_inode 2 0.0148 profile_tick 2 0.0148 put_page 2 0.0148 radix_tree_tag_clear 2 0.0148 radix_tree_tag_set 2 0.0148 rb_erase 2 0.0148 rb_next 2 0.0148 release_task 2 0.0148 rw_copy_check_uvector 2 0.0148 save_i387 2 0.0148 sched_balance_self 2 0.0148 sig_ignored 2 0.0148 skb_queue_tail 2 0.0148 sock_aio_read 2 0.0148 split_vma 2 0.0148 strnlen_user 2 0.0148 sys_close 2 0.0148 sys_mmap2 2 0.0148 touch_atime 2 0.0148 try_to_wake_up 2 0.0148 unix_write_space 2 0.0148 unlink_file_vma 2 0.0148 vfs_write 2 0.0148 vma_merge 2 0.0148 worker_thread 1 0.0074 __anon_vma_link 1 0.0074 __block_prepare_write 1 0.0074 __first_cpu 1 0.0074 __follow_mount 1 0.0074 __generic_file_aio_write_nolock 1 0.0074 __get_user_4 1 0.0074 __group_complete_signal 1 0.0074 __group_send_sig_info 1 0.0074 __insert_inode_hash 1 0.0074 __mod_timer 1 0.0074 __pte_alloc 1 0.0074 __sigqueue_free 1 0.0074 __user_walk_fd 1 0.0074 __vm_enough_memory 1 0.0074 __wake_up_common 1 0.0074 account_system_time 1 0.0074 add_disk_randomness 1 0.0074 add_timer_randomness 1 0.0074 add_to_page_cache_lru 1 0.0074 ahci_qc_issue 1 0.0074 alloc_inode 1 0.0074 anon_vma_unlink 1 0.0074 as_may_queue 1 0.0074 ata_scsi_error 1 0.0074 ata_scsi_translate 1 0.0074 blkdev_ioctl 1 0.0074 block_read_full_page 1 0.0074 can_share_swap_page 1 0.0074 cascade 1 0.0074 common_interrupt 1 0.0074 complete 1 0.0074 con_chars_in_buffer 1 0.0074 convert_fxsr_to_user 1 0.0074 copy_semundo 1 0.0074 copy_strings 1 0.0074 d_lookup 1 0.0074 d_path 1 0.0074 d_rehash 1 0.0074 destroy_context 1 0.0074 detach_pid 1 0.0074 device_not_available 1 0.0074 do_exit 1 0.0074 do_generic_mapping_read 1 0.0074 do_notify_parent 1 0.0074 do_sys_ftruncate 1 0.0074 do_wait 1 0.0074 down_write 1 0.0074 dput 1 0.0074 dummy_socket_recvmsg 1 0.0074 dummy_socket_sendmsg 1 0.0074 end_page_writeback 1 0.0074 exec_keys 1 0.0074 file_kill 1 0.0074 file_update_time 1 0.0074 find_busiest_group 1 0.0074 find_inode_fast 1 0.0074 find_mergeable_anon_vma 1 0.0074 fput 1 0.0074 free_pgd_range 1 0.0074 free_uid 1 0.0074 generic_file_aio_read 1 0.0074 generic_file_buffered_write 1 0.0074 generic_fillattr 1 0.0074 get_empty_filp 1 0.0074 get_files_struct 1 0.0074 get_request 1 0.0074 get_signal_to_deliver 1 0.0074 get_unmapped_area 1 0.0074 get_vmalloc_info 1 0.0074 handle_stop_signal 1 0.0074 hrtimer_forward 1 0.0074 inc_zone_page_state 1 0.0074 inode_has_buffers 1 0.0074 inode_setattr 1 0.0074 internal_add_timer 1 0.0074 ktime_get_ts 1 0.0074 load_elf_binary 1 0.0074 mark_page_accessed 1 0.0074 may_expand_vm 1 0.0074 mmput 1 0.0074 mod_timer 1 0.0074 move_native_irq 1 0.0074 mutex_unlock 1 0.0074 mwait_idle 1 0.0074 netif_receive_skb 1 0.0074 nr_active 1 0.0074 nr_blockdev_pages 1 0.0074 page_mkclean 1 0.0074 page_waitqueue 1 0.0074 path_release 1 0.0074 pipe_iov_copy_from_user 1 0.0074 pipe_read 1 0.0074 prepare_to_wait 1 0.0074 prio_tree_replace 1 0.0074 queue_delayed_work 1 0.0074 radix_tree_gang_lookup 1 0.0074 radix_tree_gang_lookup_tag 1 0.0074 radix_tree_insert 1 0.0074 rb_insert_color 1 0.0074 rcu_check_callbacks 1 0.0074 recalc_sigpending_tsk 1 0.0074 remove_from_page_cache 1 0.0074 remove_vma 1 0.0074 requeue_task 1 0.0074 resched_task 1 0.0074 reschedule_interrupt 1 0.0074 restore_sigcontext 1 0.0074 sched_fork 1 0.0074 scsi_execute 1 0.0074 search_exception_tables 1 0.0074 seq_puts 1 0.0074 smp_reschedule_interrupt 1 0.0074 sock_poll 1 0.0074 static_prio_timeslice 1 0.0074 sys_brk 1 0.0074 sys_ioctl 1 0.0074 sys_mkdirat 1 0.0074 sys_mprotect 1 0.0074 sys_newuname 1 0.0074 sys_poll 1 0.0074 sys_rt_sigprocmask 1 0.0074 sys_select 1 0.0074 sys_sigreturn 1 0.0074 sys_write 1 0.0074 sys_writev 1 0.0074 tasklet_action 1 0.0074 tcp_ack 1 0.0074 tcp_current_mss 1 0.0074 tcp_poll 1 0.0074 tty_ldisc_try 1 0.0074 tty_poll 1 0.0074 unlock_page 1 0.0074 update_process_times 1 0.0074 vfs_fstat 1 0.0074 vfs_mkdir 1 0.0074 vfs_permission 1 0.0074 vfs_stat_fd 1 0.0074 vma_prio_tree_remove 1 0.0074 vmtruncate 1 0.0074 vsnprintf 1 0.0074 wait_for_completion_timeout 1 0.0074 wake_up_state