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 28541 37.5574 delay_tsc 5318 6.9980 schedule 4957 6.5230 mwait_idle_with_hints 4782 6.2927 system_call 2731 3.5938 task_rq_lock 1545 2.0331 __copy_to_user_ll 1027 1.3514 __switch_to 947 1.2462 resched_task 933 1.2277 do_select 892 1.1738 getnstimeofday 871 1.1462 unix_poll 860 1.1317 enqueue_task 719 0.9461 find_busiest_group 700 0.9211 __copy_from_user_ll 681 0.8961 unix_stream_recvmsg 678 0.8922 unix_stream_sendmsg 677 0.8909 find_vma 656 0.8632 sched_clock 579 0.7619 skb_dequeue 569 0.7488 try_to_wake_up 564 0.7422 sock_wfree 505 0.6645 mwait_idle 501 0.6593 do_sys_poll 477 0.6277 __wake_up 405 0.5329 sock_def_readable 401 0.5277 read_tsc 400 0.5264 sock_alloc_send_skb 397 0.5224 __wake_up_common 377 0.4961 unix_write_space 376 0.4948 restore_nocheck 376 0.4948 sock_poll 369 0.4856 dnotify_parent 365 0.4803 effective_prio 340 0.4474 fget_light 339 0.4461 timer_interrupt 332 0.4369 remove_wait_queue 332 0.4369 syscall_exit 331 0.4356 __alloc_skb 294 0.3869 ktime_get_ts 264 0.3474 __kmalloc 252 0.3316 add_wait_queue 247 0.3250 copy_to_user 239 0.3145 cpu_idle 234 0.3079 __pollwait 228 0.3000 sys_clock_gettime 227 0.2987 kmem_cache_alloc 226 0.2974 cond_resched 224 0.2948 skb_queue_tail 218 0.2869 do_readv_writev 218 0.2869 sock_aio_read 214 0.2816 core_sys_select 210 0.2763 mutex_lock 200 0.2632 tty_ldisc_deref 194 0.2553 tty_ldisc_try 177 0.2329 recalc_task_prio 169 0.2224 kfree 169 0.2224 lock_timer_base 165 0.2171 normal_poll 159 0.2092 do_gettimeofday 156 0.2053 kmem_cache_free 150 0.1974 do_sync_readv_writev 150 0.1974 find_next_bit 144 0.1895 sys_read 139 0.1829 vfs_read 138 0.1816 sock_aio_write 138 0.1816 sys_select 133 0.1750 copy_from_user 132 0.1737 schedule_timeout 131 0.1724 do_sync_read 131 0.1724 fput 129 0.1698 memcpy_fromiovec 126 0.1658 tty_poll 123 0.1619 memcpy 119 0.1566 restore_all 118 0.1553 rw_verify_area 109 0.1434 mutex_unlock 107 0.1408 memcpy_toiovec 103 0.1355 rw_copy_check_uvector 102 0.1342 free_poll_entry 97 0.1276 inotify_inode_queue_event 95 0.1250 vfs_write 92 0.1211 skb_queue_head 87 0.1145 poll_freewait 86 0.1132 dequeue_task 86 0.1132 sys_poll 85 0.1119 __d_lookup 85 0.1119 skb_release_data 76 0.1000 page_fault 74 0.0974 sys_readv 71 0.0934 sys_writev 66 0.0869 __first_cpu 65 0.0855 try_to_del_timer_sync 64 0.0842 __mod_timer 62 0.0816 __next_cpu 62 0.0816 set_normalized_timespec 57 0.0750 __kfree_skb 56 0.0737 alloc_sock_iocb 52 0.0684 apic_timer_interrupt 50 0.0658 do_sync_write 49 0.0645 kfree_skb 48 0.0632 profile_hit 46 0.0605 posix_ktime_get_ts 44 0.0579 __link_path_walk 41 0.0540 deactivate_task 40 0.0526 syscall_call 36 0.0474 _atomic_dec_and_lock 35 0.0461 sys_write 34 0.0447 default_wake_function 33 0.0434 kfree_skbmem 31 0.0408 __handle_mm_fault 31 0.0408 inotify_dentry_parent_queue_event 30 0.0395 irq_entries_start 29 0.0382 dummy_file_permission 29 0.0382 dummy_socket_getpeersec_dgram 28 0.0368 sys_gettimeofday 27 0.0355 __activate_task 26 0.0342 tty_ldisc_ref_wait 24 0.0316 memcmp 21 0.0276 dummy_socket_recvmsg 21 0.0276 tty_paranoia_check 20 0.0263 hrtimer_run_queues 19 0.0250 __find_get_block 19 0.0250 __switch_to_xtra 18 0.0237 do_timer 18 0.0237 get_task_mm 18 0.0237 handle_edge_irq 17 0.0224 con_write_room 17 0.0224 del_timer_sync 17 0.0224 vfs_writev 16 0.0211 init_timer 16 0.0211 internal_add_timer 15 0.0197 get_page_from_freelist 14 0.0184 no_singlestep 13 0.0171 do_page_fault 13 0.0171 do_wp_page 13 0.0171 find_next_zero_bit 13 0.0171 strncpy_from_user 13 0.0171 unmap_vmas 12 0.0158 do_lookup 12 0.0158 run_timer_softirq 11 0.0145 find_get_page 11 0.0145 permission 11 0.0145 rebalance_tick 10 0.0132 block_read_full_page 9 0.0118 dummy_socket_sendmsg 9 0.0118 radix_tree_lookup 8 0.0105 __wake_up_bit 8 0.0105 drain_array 8 0.0105 up_read 8 0.0105 vfs_readv 8 0.0105 work_resched 7 0.0092 clocksource_get_next 7 0.0092 down_read_trylock 7 0.0092 free_block 7 0.0092 page_remove_rmap 7 0.0092 raise_softirq 7 0.0092 update_process_times 6 0.0079 con_chars_in_buffer 6 0.0079 do_path_lookup 6 0.0079 do_softirq 6 0.0079 down_read 6 0.0079 filemap_nopage 6 0.0079 notifier_call_chain 6 0.0079 nr_active 6 0.0079 release_pages 6 0.0079 resume_userspace 6 0.0079 run_posix_cpu_timers 6 0.0079 tty_hung_up_p 5 0.0066 __brelse 5 0.0066 __rcu_process_callbacks 5 0.0066 bit_waitqueue 5 0.0066 copy_page_range 5 0.0066 dput 5 0.0066 find_vma_prepare 5 0.0066 kunmap_atomic 5 0.0066 page_address 5 0.0066 scheduler_tick 4 0.0053 __rmqueue 4 0.0053 add_to_page_cache 4 0.0053 alloc_inode 4 0.0053 copy_process 4 0.0053 d_alloc 4 0.0053 handle_IRQ_event 4 0.0053 mmput 4 0.0053 page_add_file_rmap 4 0.0053 vsnprintf 3 0.0039 __add_entropy_words 3 0.0039 __dec_zone_page_state 3 0.0039 __mark_inode_dirty 3 0.0039 cache_alloc_refill 3 0.0039 cache_reap 3 0.0039 current_fs_time 3 0.0039 d_rehash 3 0.0039 do_mpage_readpage 3 0.0039 down_write 3 0.0039 error_code 3 0.0039 find_get_pages 3 0.0039 free_pgtables 3 0.0039 generic_permission 3 0.0039 irq_exit 3 0.0039 link_path_walk 3 0.0039 math_state_restore 3 0.0039 new_inode 3 0.0039 profile_tick 3 0.0039 put_page 3 0.0039 ret_from_exception 3 0.0039 sys_mprotect 3 0.0039 truncate_inode_pages_range 3 0.0039 unlock_buffer 2 0.0026 __anon_vma_link 2 0.0026 __ata_qc_complete 2 0.0026 __block_prepare_write 2 0.0026 __find_get_block_slow 2 0.0026 __getblk 2 0.0026 __inc_zone_page_state 2 0.0026 __lookup_hash 2 0.0026 _local_bh_enable 2 0.0026 ahci_stop_engine 2 0.0026 anon_vma_prepare 2 0.0026 call_rcu 2 0.0026 do_IRQ 2 0.0026 do_mmap_pgoff 2 0.0026 do_munmap 2 0.0026 do_sys_ftruncate 2 0.0026 fd_install 2 0.0026 find_vma_prev 2 0.0026 free_pages_and_swap_cache 2 0.0026 generic_file_open 2 0.0026 get_empty_filp 2 0.0026 load_elf_binary 2 0.0026 open_namei 2 0.0026 percpu_counter_mod 2 0.0026 prio_tree_insert 2 0.0026 prio_tree_remove 2 0.0026 sigprocmask 2 0.0026 smp_apic_timer_interrupt 2 0.0026 softlockup_tick 2 0.0026 sys_mkdirat 2 0.0026 tcp_transmit_skb 2 0.0026 test_clear_page_dirty 2 0.0026 vm_stat_account 2 0.0026 vma_prio_tree_insert 2 0.0026 work_pending 1 0.0013 __alloc_pages 1 0.0013 __ata_eh_qc_complete 1 0.0013 __bread 1 0.0013 __copy_from_user_ll_nozero 1 0.0013 __dentry_open 1 0.0013 __do_page_cache_readahead 1 0.0013 __do_softirq 1 0.0013 __follow_mount 1 0.0013 __fput 1 0.0013 __generic_file_aio_write_nolock 1 0.0013 __inc_zone_state 1 0.0013 __insert_inode_hash 1 0.0013 __lookup_mnt 1 0.0013 __pagevec_lru_add 1 0.0013 __pagevec_lru_add_active 1 0.0013 __path_lookup_intent_open 1 0.0013 __pte_alloc 1 0.0013 __rcu_pending 1 0.0013 __remove_shared_vm_struct 1 0.0013 __tasklet_schedule 1 0.0013 __vma_link_rb 1 0.0013 acct_collect 1 0.0013 ack_ioapic_irq 1 0.0013 ahci_interrupt 1 0.0013 ahci_qc_issue 1 0.0013 ahci_start_engine 1 0.0013 ahci_tf_read 1 0.0013 alloc_pid 1 0.0013 arch_get_unmapped_area_topdown 1 0.0013 arch_setup_additional_pages 1 0.0013 as_completed_request 1 0.0013 as_may_queue 1 0.0013 ata_port_flush_task 1 0.0013 ata_qc_complete 1 0.0013 ata_qc_issue 1 0.0013 atomic_notifier_call_chain 1 0.0013 balance_dirty_pages_ratelimited_nr 1 0.0013 blockable_page_cache_readahead 1 0.0013 cache_flusharray 1 0.0013 check_userspace 1 0.0013 clear_bdi_congested 1 0.0013 common_interrupt 1 0.0013 copy_thread_group_keys 1 0.0013 cp_new_stat64 1 0.0013 dentry_iput 1 0.0013 dequeue_signal 1 0.0013 destroy_inode 1 0.0013 dev_watchdog 1 0.0013 do_generic_mapping_read 1 0.0013 do_mremap 1 0.0013 do_notify_parent 1 0.0013 do_notify_resume 1 0.0013 dummy_file_alloc_security 1 0.0013 dup_fd 1 0.0013 exit_itimers 1 0.0013 fget 1 0.0013 file_ra_state_init 1 0.0013 file_update_time 1 0.0013 filp_close 1 0.0013 find_lock_page 1 0.0013 flush_old_exec 1 0.0013 flush_tlb_mm 1 0.0013 flush_tlb_page 1 0.0013 free_buffer_head 1 0.0013 free_hot_cold_page 1 0.0013 getname 1 0.0013 groups_search 1 0.0013 handle_stop_signal 1 0.0013 hrtimer_start 1 0.0013 idle_cpu 1 0.0013 in_lock_functions 1 0.0013 init_page_buffers 1 0.0013 inode_change_ok 1 0.0013 ioread32 1 0.0013 ip_queue_xmit 1 0.0013 kmap_atomic 1 0.0013 ll_rw_block 1 0.0013 lookup_create 1 0.0013 lru_cache_add 1 0.0013 lru_cache_add_active 1 0.0013 mark_page_accessed 1 0.0013 may_expand_vm 1 0.0013 may_open 1 0.0013 mempool_alloc 1 0.0013 mntput_no_expire 1 0.0013 move_native_irq 1 0.0013 mpage_readpage 1 0.0013 note_interrupt 1 0.0013 packet_rcv_spkt 1 0.0013 page_cache_readahead 1 0.0013 page_mkclean 1 0.0013 proc_lookup 1 0.0013 profile_pc 1 0.0013 put_files_struct 1 0.0013 radix_tree_insert 1 0.0013 radix_tree_preload 1 0.0013 rb_insert_color 1 0.0013 rcu_check_callbacks 1 0.0013 rcu_pending 1 0.0013 rcu_start_batch 1 0.0013 refresh_cpu_vm_stats 1 0.0013 release_task 1 0.0013 run_workqueue 1 0.0013 scsi_get_command 1 0.0013 scsi_release_buffers 1 0.0013 search_binary_handler 1 0.0013 set_bh_page 1 0.0013 set_page_dirty 1 0.0013 sha_transform 1 0.0013 show_vfsmnt 1 0.0013 sk_stream_mem_schedule 1 0.0013 static_prio_timeslice 1 0.0013 strnlen_user 1 0.0013 sys_access 1 0.0013 sys_dup2 1 0.0013 sys_getsockname 1 0.0013 sys_mkdir 1 0.0013 sys_rt_sigprocmask 1 0.0013 tcp_v4_rcv 1 0.0013 try_to_free_buffers 1 0.0013 tty_read 1 0.0013 unlink_file_vma 1 0.0013 unlock_page 1 0.0013 unmap_mapping_range 1 0.0013 vfs_mkdir 1 0.0013 vma_adjust