Messages in this thread | | | Date | Thu, 1 Mar 2007 17:43:50 +0300 | From | Evgeniy Polyakov <> | Subject | Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 |
| |
On Thu, Mar 01, 2007 at 02:12:50PM +0100, Eric Dumazet (dada1@cosmosbay.com) wrote: > On Thursday 01 March 2007 12:47, Evgeniy Polyakov wrote: > > > > Could you provide at least remote way to find it? > > > > Sure :) > > > I only found the same problem at > > http://lkml.org/lkml/2006/10/27/3 > > > > but without any hits to solve the problem. > > > > I will try CVS oprofile, if it works I will provide details of course. > > > > # cat CVS/Root > CVS/Root::pserver:anonymous@oprofile.cvs.sourceforge.net:/cvsroot/oprofile > > # cvs diff >/tmp/oprofile.diff > > Hope it helps
One of the hunks failed, since it was in CVS already. After setting up some mirrors, I've installed all bits needed for oprofile. Attached kevent and epoll profiles.
In that tests I got epoll perf about 4400 req/s, kevent was about 5300.
epoll does not contain gettimeofday() call.
-- Evgeniy Polyakov CPU: AMD64 processors, speed 2210.08 MHz (estimated) Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit mask of 0x00 (No unit mask) count 100000 samples % symbol name 195750 67.3097 cpu_idle 14111 4.8521 enter_idle 4979 1.7121 IRQ0x51_interrupt 4765 1.6385 tcp_v4_rcv 3316 1.1402 tcp_ack 3138 1.0790 kmem_cache_free 2619 0.9006 kfree 2323 0.7988 memset_c 1747 0.6007 schedule 1682 0.5784 csum_partial_copy_generic 1646 0.5660 ip_output 1563 0.5374 tcp_rcv_state_process 1506 0.5178 dev_queue_xmit 1412 0.4855 handle_IRQ_event 1266 0.4353 ip_rcv 1026 0.3528 ip_queue_xmit 1004 0.3452 __do_softirq 1001 0.3442 ip_local_deliver 906 0.3115 csum_partial 902 0.3102 ip_route_input 889 0.3057 __d_lookup 880 0.3026 kmem_cache_alloc 847 0.2912 tcp_v4_do_rcv 841 0.2892 netif_receive_skb 830 0.2854 tcp_sendmsg 819 0.2816 system_call 788 0.2710 kfree_skbmem 780 0.2682 tcp_transmit_skb 742 0.2551 preempt_schedule 731 0.2514 __tcp_push_pending_frames 699 0.2404 __link_path_walk 687 0.2362 pfifo_fast_dequeue 672 0.2311 local_bh_enable 657 0.2259 __alloc_skb 650 0.2235 net_rx_action 627 0.2156 pfifo_fast_enqueue 583 0.2005 sock_wfree 571 0.1963 get_unused_fd 547 0.1881 tcp_parse_options 546 0.1877 copy_user_generic_string 533 0.1833 _atomic_dec_and_lock 529 0.1819 number 524 0.1802 ret_from_intr 509 0.1750 skb_clone 507 0.1743 fget 507 0.1743 tcp_rcv_established 498 0.1712 __kfree_skb 492 0.1692 tcp_poll 481 0.1654 rt_hash_code 471 0.1620 dput 454 0.1561 sock_def_readable 422 0.1451 mask_and_ack_8259A 421 0.1448 sysret_check 419 0.1441 __fput 413 0.1420 exit_idle 396 0.1362 ip_append_data 374 0.1286 sock_poll 371 0.1276 tcp_data_queue 359 0.1234 __tcp_select_window 356 0.1224 tcp_recvmsg 348 0.1197 lock_timer_base 340 0.1169 cache_alloc_refill 338 0.1162 thread_return 319 0.1097 sys_close 318 0.1093 do_path_lookup 318 0.1093 ret_from_sys_call 311 0.1069 vsnprintf 307 0.1056 eth_type_trans 303 0.1042 find_next_zero_bit 302 0.1038 __mod_timer 298 0.1025 d_alloc 296 0.1018 rb_erase 293 0.1007 call_softirq 290 0.0997 __dentry_open 276 0.0949 cache_grow 274 0.0942 __ip_route_output_key 273 0.0939 try_to_wake_up 258 0.0887 dentry_iput 258 0.0887 sk_stream_mem_schedule 257 0.0884 do_lookup 244 0.0839 strncpy_from_user 234 0.0805 do_generic_mapping_read 231 0.0794 memcmp 229 0.0787 tcp_current_mss 228 0.0784 tcp_rtt_estimator 214 0.0736 restore_args 205 0.0705 sys_recvfrom 204 0.0701 fput 203 0.0698 tcp_send_fin 200 0.0688 release_sock 193 0.0664 memcpy_c 191 0.0657 common_interrupt 189 0.0650 fget_light 185 0.0636 skb_checksum 182 0.0626 generic_drop_inode 180 0.0619 do_sys_open 174 0.0598 get_page_from_freelist 168 0.0578 link_path_walk 165 0.0567 schedule_timeout 163 0.0560 del_timer 162 0.0557 rb_insert_color 160 0.0550 percpu_counter_mod 159 0.0547 __up_read 155 0.0533 expand_files 154 0.0530 sys_fcntl 150 0.0516 tcp_v4_send_check 146 0.0502 fd_install 145 0.0499 bictcp_cong_avoid 143 0.0492 call_rcu 141 0.0485 __down_read 141 0.0485 sock_close 140 0.0481 copy_page_c 138 0.0475 __skb_checksum_complete 138 0.0475 lookup_mnt 137 0.0471 getname 132 0.0454 generic_permission 131 0.0450 find_get_page 130 0.0447 __do_page_cache_readahead 130 0.0447 update_send_head 127 0.0437 get_empty_filp 126 0.0433 __path_lookup_intent_open 124 0.0426 mod_timer 122 0.0420 half_md4_transform 121 0.0416 page_fault 121 0.0416 tcp_sync_mss 120 0.0413 __wake_up 120 0.0413 current_fs_time 119 0.0409 remove_wait_queue 118 0.0406 groups_search 116 0.0399 __handle_mm_fault 115 0.0395 tcp_send_ack 114 0.0392 get_task_mm 109 0.0375 tcp_snd_test 107 0.0368 new_inode 106 0.0364 sock_release 106 0.0364 tcp_init_tso_segs 104 0.0358 inotify_dentry_parent_queue_event 104 0.0358 try_to_del_timer_sync 102 0.0351 add_wait_queue 99 0.0340 cond_resched 97 0.0334 __follow_mount 96 0.0330 __put_unused_fd 95 0.0327 open_namei 94 0.0323 file_move 93 0.0320 clear_inode 93 0.0320 permission 92 0.0316 rw_verify_area 91 0.0313 may_open 91 0.0313 memmove 86 0.0296 __up_write 86 0.0296 dnotify_flush 86 0.0296 tcp_select_initial_window 84 0.0289 sock_common_recvmsg 83 0.0285 __wake_up_bit 83 0.0285 page_cache_readahead 82 0.0282 IRQ0x20_interrupt 81 0.0279 put_page 77 0.0265 inet_sendmsg 76 0.0261 skb_copy_datagram_iovec 76 0.0261 tcp_init_cwnd 75 0.0258 sock_recvmsg 75 0.0258 tcp_event_data_recv 74 0.0254 inet_sk_rebuild_header 74 0.0254 locks_remove_posix 73 0.0251 d_instantiate 68 0.0234 sock_sendmsg 66 0.0227 __rb_rotate_right 65 0.0224 __down_write_nested 65 0.0224 retint_kernel 64 0.0220 alloc_inode 64 0.0220 clear_page_c 64 0.0220 init_timer 63 0.0217 mntput_no_expire 63 0.0217 sk_reset_timer 63 0.0217 tcp_setsockopt 61 0.0210 tcp_check_space 61 0.0210 unmap_vmas 60 0.0206 filp_close 60 0.0206 tcp_v4_tw_remember_stamp 59 0.0203 tcp_rcv_space_adjust 56 0.0193 inotify_inode_queue_event 54 0.0186 __delay 54 0.0186 touch_atime 53 0.0182 sk_stream_rfree 53 0.0182 sys_open 53 0.0182 tcp_cwnd_validate 50 0.0172 copy_to_user 50 0.0172 file_kill 49 0.0168 generic_file_open 46 0.0158 tcp_cong_avoid 44 0.0151 do_filp_open 44 0.0151 inet_sock_destruct 43 0.0148 __rb_rotate_left 43 0.0148 __tcp_ack_snd_check 43 0.0148 inode_init_once 43 0.0148 sprintf 42 0.0144 exit_intr 42 0.0144 sock_fasync 42 0.0144 wake_up_inode 41 0.0141 memset 39 0.0134 __alloc_pages 39 0.0134 free_hot_cold_page 39 0.0134 vfs_permission 38 0.0131 bit_waitqueue 38 0.0131 do_page_fault 38 0.0131 locks_remove_flock 38 0.0131 tcp_unhash 36 0.0124 del_timer_sync 36 0.0124 iput 36 0.0124 iret_label 35 0.0120 file_free_rcu 35 0.0120 file_ra_state_init 35 0.0120 tcp_v4_destroy_sock 34 0.0117 sk_stop_timer 33 0.0113 __lookup_mnt 33 0.0113 inet_getname 33 0.0113 zone_watermark_ok 30 0.0103 copy_page_range 29 0.0100 blockable_page_cache_readahead 29 0.0100 do_wp_page 29 0.0100 hrtimer_run_queues 29 0.0100 sk_alloc 26 0.0089 _spin_lock_bh 26 0.0089 in_group_p 25 0.0086 __put_user_8 25 0.0086 __wake_up_locked 25 0.0086 find_vma 25 0.0086 init_once 24 0.0083 __lock_text_start 23 0.0079 destroy_inode 23 0.0079 tcp_slow_start 22 0.0076 mark_page_accessed 21 0.0072 flush_tlb_page 20 0.0069 _read_lock_irqsave 20 0.0069 memcpy_toiovec 18 0.0062 apic_timer_interrupt 18 0.0062 retint_restore_args 18 0.0062 vm_normal_page 14 0.0048 __down_write 14 0.0048 __tcp_checksum_complete_user 14 0.0048 invalidate_inode_buffers 13 0.0045 mutex_lock 11 0.0038 __get_user_4 11 0.0038 error_exit 11 0.0038 wake_up_bit 10 0.0034 __block_write_full_page 10 0.0034 __down_read_trylock 10 0.0034 copy_from_user 9 0.0031 copy_process 9 0.0031 timespec_trunc 7 0.0024 dup_fd 7 0.0024 filemap_nopage 7 0.0024 lru_cache_add_active 7 0.0024 memcpy 7 0.0024 nameidata_to_filp 7 0.0024 unlink_file_vma 6 0.0021 __find_get_block 6 0.0021 __mutex_init 6 0.0021 find_get_pages_tag 6 0.0021 inode_has_buffers 6 0.0021 mmput 6 0.0021 page_remove_rmap 6 0.0021 sys_mprotect 5 0.0017 __mark_inode_dirty 5 0.0017 do_mmap_pgoff 5 0.0017 error_sti 5 0.0017 free_hot_page 5 0.0017 load_elf_binary 5 0.0017 page_waitqueue 5 0.0017 radix_tree_tag_clear 5 0.0017 rcu_start_batch 5 0.0017 retint_swapgs 4 0.0014 _spin_lock_irqsave 4 0.0014 copy_strings 4 0.0014 free_pages 4 0.0014 free_pgd_range 4 0.0014 free_pgtables 4 0.0014 page_add_file_rmap 4 0.0014 run_local_timers 4 0.0014 sys_rt_sigprocmask 4 0.0014 unlock_page 4 0.0014 vma_link 3 0.0010 __getblk 3 0.0010 __pagevec_lru_add_active 3 0.0010 __strnlen_user 3 0.0010 _write_lock_bh 3 0.0010 anon_vma_prepare 3 0.0010 anon_vma_unlink 3 0.0010 bio_alloc_bioset 3 0.0010 dnotify_parent 3 0.0010 do_exit 3 0.0010 do_wait 3 0.0010 exit_mmap 3 0.0010 kthread_should_stop 3 0.0010 prio_tree_insert 3 0.0010 remove_vma 3 0.0010 retint_check 3 0.0010 vma_prio_tree_add 2 6.9e-04 __block_prepare_write 2 6.9e-04 __bread 2 6.9e-04 __end_that_request_first 2 6.9e-04 __find_get_block_slow 2 6.9e-04 __free_pages 2 6.9e-04 __vm_enough_memory 2 6.9e-04 alloc_page_vma 2 6.9e-04 arch_unmap_area 2 6.9e-04 bio_init 2 6.9e-04 blk_recount_segments 2 6.9e-04 block_write_full_page 2 6.9e-04 clear_page_dirty_for_io 2 6.9e-04 do_group_exit 2 6.9e-04 do_munmap 2 6.9e-04 do_notify_resume 2 6.9e-04 find_vma_prepare 2 6.9e-04 find_vma_prev 2 6.9e-04 generic_fillattr 2 6.9e-04 get_index 2 6.9e-04 get_unmapped_area 2 6.9e-04 get_vma_policy 2 6.9e-04 prio_tree_remove 2 6.9e-04 prio_tree_replace 2 6.9e-04 proc_get_inode 2 6.9e-04 proc_lookup 2 6.9e-04 release_pages 2 6.9e-04 show_vfsmnt 2 6.9e-04 strchr 2 6.9e-04 sys_dup2 2 6.9e-04 sys_faccessat 2 6.9e-04 sys_mmap 2 6.9e-04 test_set_page_writeback 2 6.9e-04 unmap_region 2 6.9e-04 vm_acct_memory 2 6.9e-04 vm_stat_account 2 6.9e-04 vma_adjust 2 6.9e-04 vma_merge 2 6.9e-04 vma_prio_tree_remove 2 6.9e-04 zonelist_policy 1 3.4e-04 __brelse 1 3.4e-04 __clear_user 1 3.4e-04 __d_path 1 3.4e-04 __lookup_hash 1 3.4e-04 __make_request 1 3.4e-04 __page_set_anon_rmap 1 3.4e-04 __pagevec_lru_add 1 3.4e-04 __pmd_alloc 1 3.4e-04 __pollwait 1 3.4e-04 __pte_alloc 1 3.4e-04 __pud_alloc 1 3.4e-04 __put_user_4 1 3.4e-04 add_to_page_cache 1 3.4e-04 alloc_pages_current 1 3.4e-04 blk_rq_map_sg 1 3.4e-04 can_share_swap_page 1 3.4e-04 can_vma_merge_after 1 3.4e-04 copy_semundo 1 3.4e-04 cp_new_stat 1 3.4e-04 cpuset_update_task_memory_state 1 3.4e-04 d_delete 1 3.4e-04 d_path 1 3.4e-04 dcache_readdir 1 3.4e-04 default_llseek 1 3.4e-04 do_arch_prctl 1 3.4e-04 do_brk 1 3.4e-04 do_fsync 1 3.4e-04 do_mpage_readpage 1 3.4e-04 do_sigaction 1 3.4e-04 do_sigaltstack 1 3.4e-04 dupfd 1 3.4e-04 elf_map 1 3.4e-04 end_page_writeback 1 3.4e-04 error_entry 1 3.4e-04 exit_sem 1 3.4e-04 fasync_helper 1 3.4e-04 file_permission 1 3.4e-04 file_read_actor 1 3.4e-04 flush_signal_handlers 1 3.4e-04 flush_thread 1 3.4e-04 generic_delete_inode 1 3.4e-04 generic_file_aio_write 1 3.4e-04 generic_file_buffered_write 1 3.4e-04 generic_file_mmap 1 3.4e-04 get_request_wait 1 3.4e-04 get_signal_to_deliver 1 3.4e-04 get_stack 1 3.4e-04 hrtimer_init 1 3.4e-04 kill_fasync 1 3.4e-04 kmem_flagcheck 1 3.4e-04 meminfo_read_proc 1 3.4e-04 mempool_free 1 3.4e-04 memscan 1 3.4e-04 mutex_unlock 1 3.4e-04 notify_change 1 3.4e-04 nr_blockdev_pages 1 3.4e-04 page_add_new_anon_rmap 1 3.4e-04 path_release 1 3.4e-04 pipe_ioctl 1 3.4e-04 pipe_iov_copy_from_user 1 3.4e-04 poll_freewait 1 3.4e-04 proc_file_read 1 3.4e-04 proc_pident_lookup 1 3.4e-04 ptregscall_common 1 3.4e-04 rb_next 1 3.4e-04 recalc_bh_state 1 3.4e-04 release_task 1 3.4e-04 retint_careful 1 3.4e-04 schedule_tail 1 3.4e-04 seq_escape 1 3.4e-04 set_brk 1 3.4e-04 set_normalized_timespec 1 3.4e-04 si_swapinfo 1 3.4e-04 split_vma 1 3.4e-04 stub_execve 1 3.4e-04 sync_sb_inodes 1 3.4e-04 sys_brk 1 3.4e-04 sys_lseek 1 3.4e-04 sys_munmap 1 3.4e-04 sys_newfstat 1 3.4e-04 sys_newstat 1 3.4e-04 sys_select 1 3.4e-04 sys_write 1 3.4e-04 truncate_complete_page 1 3.4e-04 tty_ioctl 1 3.4e-04 udp_rcv 1 3.4e-04 unlock_buffer 1 3.4e-04 vfs_readdir 1 3.4e-04 vma_prio_tree_insert 1 3.4e-04 worker_thread CPU: AMD64 processors, speed 2210.08 MHz (estimated) Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit mask of 0x00 (No unit mask) count 100000 samples % symbol name 124605 59.0887 cpu_idle 13754 6.5223 enter_idle 4677 2.2179 tcp_v4_rcv 3888 1.8437 IRQ0x51_interrupt 3115 1.4772 tcp_ack 2571 1.2192 kmem_cache_free 2151 1.0200 kfree 2121 1.0058 memset_c 1632 0.7739 csum_partial_copy_generic 1611 0.7639 ip_output 1488 0.7056 schedule 1389 0.6587 dev_queue_xmit 1352 0.6411 tcp_rcv_state_process 1272 0.6032 ip_rcv 1184 0.5615 handle_IRQ_event 951 0.4510 ip_queue_xmit 916 0.4344 __do_softirq 900 0.4268 ip_route_input 888 0.4211 csum_partial 870 0.4126 tcp_v4_do_rcv 856 0.4059 ip_local_deliver 851 0.4036 system_call 829 0.3931 netif_receive_skb 812 0.3851 tcp_sendmsg 812 0.3851 tcp_transmit_skb 805 0.3817 __alloc_skb 683 0.3239 kmem_cache_alloc 683 0.3239 local_bh_enable 678 0.3215 __tcp_push_pending_frames 673 0.3191 fget 665 0.3153 __d_lookup 653 0.3097 pfifo_fast_enqueue 639 0.3030 copy_user_generic_string 607 0.2878 preempt_schedule 606 0.2874 net_rx_action 593 0.2812 pfifo_fast_dequeue 589 0.2793 kfree_skbmem 552 0.2618 __fput 550 0.2608 __link_path_walk 528 0.2504 skb_clone 523 0.2480 tcp_parse_options 515 0.2442 ret_from_intr 512 0.2428 number 496 0.2352 _atomic_dec_and_lock 493 0.2338 __kfree_skb 477 0.2262 rt_hash_code 476 0.2257 sock_wfree 459 0.2177 tcp_poll 449 0.2129 tcp_rcv_established 415 0.1968 dput 398 0.1887 sysret_check 366 0.1736 exit_idle 364 0.1726 __mod_timer 352 0.1669 tcp_recvmsg 352 0.1669 thread_return 346 0.1641 sys_close 341 0.1617 get_unused_fd 340 0.1612 rb_erase 337 0.1598 __tcp_select_window 331 0.1570 lock_timer_base 316 0.1498 mask_and_ack_8259A 299 0.1418 ip_append_data 290 0.1375 cache_alloc_refill 286 0.1356 d_alloc 269 0.1276 ret_from_sys_call 268 0.1271 do_path_lookup 267 0.1266 call_softirq 265 0.1257 eth_type_trans 262 0.1242 tcp_current_mss 262 0.1242 tcp_data_queue 262 0.1242 vsnprintf 261 0.1238 __ip_route_output_key 255 0.1209 sk_stream_mem_schedule 249 0.1181 cache_grow 247 0.1171 tcp_rtt_estimator 239 0.1133 __dentry_open 221 0.1048 sys_fcntl 220 0.1043 find_next_zero_bit 216 0.1024 dentry_iput 208 0.0986 try_to_wake_up 197 0.0934 call_rcu 196 0.0929 strncpy_from_user 195 0.0925 do_lookup 191 0.0906 sock_recvmsg 189 0.0896 tcp_send_fin 188 0.0892 sys_recvfrom 182 0.0863 sock_def_readable 178 0.0844 restore_args 176 0.0835 common_interrupt 174 0.0825 release_sock 171 0.0811 do_generic_mapping_read 167 0.0792 schedule_timeout 163 0.0773 generic_drop_inode 163 0.0773 get_page_from_freelist 163 0.0773 percpu_counter_mod 160 0.0759 skb_checksum 159 0.0754 del_timer 155 0.0735 do_sys_open 153 0.0726 memcpy_c 149 0.0707 memcmp 145 0.0688 __skb_checksum_complete 144 0.0683 link_path_walk 144 0.0683 tcp_v4_send_check 141 0.0669 fd_install 140 0.0664 get_empty_filp 139 0.0659 fget_light 131 0.0621 current_fs_time 126 0.0598 mod_timer 125 0.0593 bictcp_cong_avoid 123 0.0583 tcp_init_tso_segs 121 0.0574 update_send_head 120 0.0569 __put_unused_fd 119 0.0564 __do_page_cache_readahead 119 0.0564 alloc_inode 118 0.0560 rb_insert_color 115 0.0545 prepare_to_wait 112 0.0531 locks_remove_posix 112 0.0531 new_inode 111 0.0526 half_md4_transform 109 0.0517 fput 108 0.0512 tcp_sync_mss 105 0.0498 get_task_mm 104 0.0493 clear_inode 102 0.0484 find_get_page 102 0.0484 tcp_select_initial_window 101 0.0479 lookup_mnt 101 0.0479 tcp_send_ack 99 0.0469 sock_close 98 0.0465 try_to_del_timer_sync 97 0.0460 page_cache_readahead 97 0.0460 tcp_snd_test 94 0.0446 generic_permission 94 0.0446 getname 92 0.0436 may_open 91 0.0432 tcp_event_data_recv 90 0.0427 open_namei 89 0.0422 IRQ0x20_interrupt 88 0.0417 inotify_dentry_parent_queue_event 87 0.0413 put_page 85 0.0403 copy_page_c 84 0.0398 d_instantiate 81 0.0384 finish_wait 80 0.0379 __wake_up 79 0.0375 expand_files 77 0.0365 groups_search 75 0.0356 inet_sendmsg 75 0.0356 skb_copy_datagram_iovec 73 0.0346 file_free_rcu 72 0.0341 __path_lookup_intent_open 72 0.0341 permission 71 0.0337 __follow_mount 71 0.0337 memmove 70 0.0332 dnotify_flush 69 0.0327 cond_resched 69 0.0327 igrab 68 0.0322 sk_reset_timer 66 0.0313 sockfd_lookup 65 0.0308 tcp_setsockopt 64 0.0303 sock_sendmsg 62 0.0294 __wake_up_bit 62 0.0294 file_move 62 0.0294 inotify_inode_queue_event 62 0.0294 retint_kernel 62 0.0294 tcp_v4_tw_remember_stamp 60 0.0285 sprintf 56 0.0266 copy_to_user 56 0.0266 sock_common_recvmsg 56 0.0266 tcp_check_space 56 0.0266 tcp_cwnd_validate 55 0.0261 file_kill 55 0.0261 inet_sk_rebuild_header 55 0.0261 tcp_init_cwnd 54 0.0256 __handle_mm_fault 54 0.0256 init_timer 52 0.0247 filp_close 52 0.0247 mutex_unlock 52 0.0247 rw_verify_area 51 0.0242 sock_release 48 0.0228 __tcp_ack_snd_check 48 0.0228 sys_open 47 0.0223 inode_init_once 47 0.0223 locks_remove_flock 47 0.0223 mntput_no_expire 47 0.0223 touch_atime 46 0.0218 sk_stream_rfree 45 0.0213 page_fault 45 0.0213 unmap_vmas 45 0.0213 wake_up_inode 44 0.0209 clear_page_c 44 0.0209 memset 42 0.0199 __delay 42 0.0199 tcp_cong_avoid 41 0.0194 __rb_rotate_left 39 0.0185 do_filp_open 39 0.0185 memcpy_toiovec 39 0.0185 sock_fasync 38 0.0180 __put_user_8 38 0.0180 exit_intr 35 0.0166 zone_watermark_ok 34 0.0161 iput 33 0.0156 iret_label 32 0.0152 free_hot_cold_page 32 0.0152 tcp_unhash 31 0.0147 __alloc_pages 31 0.0147 sk_alloc 30 0.0142 __lookup_mnt 30 0.0142 mutex_lock 29 0.0138 generic_file_open 28 0.0133 _spin_lock_bh 28 0.0133 bit_waitqueue 28 0.0133 tcp_rcv_space_adjust 27 0.0128 inet_sock_destruct 26 0.0123 sk_stop_timer 26 0.0123 tcp_slow_start 24 0.0114 hrtimer_run_queues 24 0.0114 inet_getname 22 0.0104 file_ra_state_init 22 0.0104 vfs_permission 21 0.0100 blockable_page_cache_readahead 21 0.0100 tcp_v4_destroy_sock 20 0.0095 init_once 19 0.0090 do_wp_page 18 0.0085 destroy_inode 16 0.0076 apic_timer_interrupt 16 0.0076 copy_from_user 16 0.0076 del_timer_sync 15 0.0071 in_group_p 15 0.0071 invalidate_inode_buffers 14 0.0066 do_page_fault 13 0.0062 mark_page_accessed 13 0.0062 retint_restore_args 12 0.0057 __get_user_4 11 0.0052 copy_page_range 11 0.0052 find_vma 11 0.0052 wake_up_bit 10 0.0047 __down_read 9 0.0043 rcu_start_batch 8 0.0038 __tcp_checksum_complete_user 8 0.0038 __up_read 8 0.0038 flush_tlb_page 8 0.0038 free_pages 8 0.0038 timespec_trunc 6 0.0028 __find_get_block 6 0.0028 __rb_rotate_right 6 0.0028 error_sti 6 0.0028 kmem_flagcheck 6 0.0028 retint_swapgs 5 0.0024 __down_read_trylock 5 0.0024 _spin_lock_irqsave 5 0.0024 inode_has_buffers 5 0.0024 retint_check 4 0.0019 __mutex_init 4 0.0019 nameidata_to_filp 4 0.0019 prio_tree_insert 4 0.0019 proc_lookup 4 0.0019 run_workqueue 3 0.0014 __getblk 3 0.0014 __iget 3 0.0014 __pagevec_lru_add_active 3 0.0014 __strnlen_user 3 0.0014 _write_lock_bh 3 0.0014 copy_process 3 0.0014 error_exit 3 0.0014 filemap_nopage 3 0.0014 mmput 3 0.0014 sys_mprotect 3 0.0014 unlink_file_vma 3 0.0014 vma_adjust 2 9.5e-04 __clear_user 2 9.5e-04 __end_that_request_first 2 9.5e-04 __pte_alloc 2 9.5e-04 __set_page_dirty_nobuffers 2 9.5e-04 _read_lock_bh 2 9.5e-04 _read_lock_irqsave 2 9.5e-04 add_to_page_cache 2 9.5e-04 anon_vma_prepare 2 9.5e-04 anon_vma_unlink 2 9.5e-04 d_lookup 2 9.5e-04 do_exit 2 9.5e-04 do_mmap_pgoff 2 9.5e-04 do_munmap 2 9.5e-04 do_wait 2 9.5e-04 dup_fd 2 9.5e-04 flush_signal_handlers 2 9.5e-04 free_hot_page 2 9.5e-04 generic_file_aio_read 2 9.5e-04 generic_fillattr 2 9.5e-04 generic_make_request 2 9.5e-04 kthread_should_stop 2 9.5e-04 load_elf_binary 2 9.5e-04 lru_add_drain 2 9.5e-04 lru_cache_add_active 2 9.5e-04 memcpy 2 9.5e-04 mempool_free 2 9.5e-04 mm_init 2 9.5e-04 page_remove_rmap 2 9.5e-04 put_unused_fd 2 9.5e-04 radix_tree_tag_clear 2 9.5e-04 rb_next 2 9.5e-04 retint_with_reschedule 2 9.5e-04 run_local_timers 2 9.5e-04 strchr 2 9.5e-04 vfs_ioctl 2 9.5e-04 vma_link 1 4.7e-04 __add_entropy_words 1 4.7e-04 __anon_vma_link 1 4.7e-04 __brelse 1 4.7e-04 __d_path 1 4.7e-04 __down_write 1 4.7e-04 __find_get_block_slow 1 4.7e-04 __free_pages 1 4.7e-04 __generic_file_aio_write_nolock 1 4.7e-04 __lookup_hash 1 4.7e-04 __make_request 1 4.7e-04 __mark_inode_dirty 1 4.7e-04 __page_set_anon_rmap 1 4.7e-04 __pagevec_lru_add 1 4.7e-04 __pagevec_release 1 4.7e-04 __remove_shared_vm_struct 1 4.7e-04 __up_write 1 4.7e-04 __user_walk_fd 1 4.7e-04 __vm_enough_memory 1 4.7e-04 __writeback_single_inode 1 4.7e-04 alloc_buffer_head 1 4.7e-04 alloc_page_buffers 1 4.7e-04 alloc_pages_current 1 4.7e-04 bio_alloc_bioset 1 4.7e-04 blk_done_softirq 1 4.7e-04 blk_recount_segments 1 4.7e-04 blk_rq_map_sg 1 4.7e-04 can_vma_merge_before 1 4.7e-04 cfq_set_request 1 4.7e-04 copy_strings 1 4.7e-04 cpuset_update_task_memory_state 1 4.7e-04 create_empty_buffers 1 4.7e-04 deny_write_access 1 4.7e-04 do_arch_prctl 1 4.7e-04 do_mpage_readpage 1 4.7e-04 do_select 1 4.7e-04 do_sigaction 1 4.7e-04 exit_mm 1 4.7e-04 exit_mmap 1 4.7e-04 find_vma_prepare 1 4.7e-04 find_vma_prev 1 4.7e-04 free_pgtables 1 4.7e-04 get_locked_pte 1 4.7e-04 get_request_wait 1 4.7e-04 get_signal_to_deliver 1 4.7e-04 get_unmapped_area 1 4.7e-04 init_once 1 4.7e-04 init_request_from_bio 1 4.7e-04 inode_setattr 1 4.7e-04 ll_rw_block 1 4.7e-04 make_ahead_window 1 4.7e-04 mapping_tagged 1 4.7e-04 mempool_alloc 1 4.7e-04 n_tty_write_wakeup 1 4.7e-04 notify_change 1 4.7e-04 page_add_file_rmap 1 4.7e-04 pipe_iov_copy_from_user 1 4.7e-04 pipe_write 1 4.7e-04 preempt_schedule_irq 1 4.7e-04 proc_file_read 1 4.7e-04 remove_vma 1 4.7e-04 sched_balance_self 1 4.7e-04 sched_fork 1 4.7e-04 search_binary_handler 1 4.7e-04 sigprocmask 1 4.7e-04 stub_execve 1 4.7e-04 sync_dirty_buffer 1 4.7e-04 sys_execve 1 4.7e-04 sys_ftruncate 1 4.7e-04 tty_ldisc_ref_wait 1 4.7e-04 vfs_write 1 4.7e-04 writeback_inodes
| |