On Tue, Jun 20, 2006 at 07:09:19PM +1000, herbert wrote: > > I've attached some numbers to demonstrate the savings brought on by > doing this. The best scenario is obviously the case where the underlying > NIC supports SG. This means that we simply have to manipulate the SG > entries and place them into individual skb's before passing them to the > driver. The attached file lo-res shows this.
Obviously I forgot to attach them :) -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
$ sudo ./ethtool -K lo gso on $ sudo ifconfig lo mtu 1500 $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 3598.17 $ sudo ./ethtool -K lo gso off $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 3061.05 $ sudo ifconfig lo mtu 60000 $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 8245.05 $ sudo ./ethtool -K lo gso on $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 8563.36 $ sudo ifconfig lo mtu 16436 $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 7359.95 $ sudo ./ethtool -K lo gso off $ netperf -t TCP_STREAM TCP STREAM TEST to localhost Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 7535.04 $
CPU: PIII, speed 1200 MHz (estimated) Counted CPU_CLK_UNHALTED events (clocks processor is not halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % symbol name 1247 21.7551 csum_partial_copy_generic 294 5.1291 prep_new_page 240 4.1870 __alloc_skb 120 2.0935 tcp_sendmsg 113 1.9714 get_offset_pmtmr 113 1.9714 kfree 103 1.7969 skb_release_data 103 1.7969 timer_interrupt 101 1.7620 ip_queue_xmit 96 1.6748 skb_clone 94 1.6399 __kmalloc 94 1.6399 net_rx_action 86 1.5003 tcp_transmit_skb 80 1.3957 kmem_cache_free 76 1.3259 tcp_clean_rtx_queue 67 1.1689 ip_output 66 1.1514 mark_offset_pmtmr 65 1.1340 tcp_v4_rcv 64 1.1165 local_bh_enable 62 1.0816 kmem_cache_alloc 59 1.0293 irq_entries_start 59 1.0293 page_fault 57 0.9944 tcp_push_one 52 0.9072 kfree_skbmem 47 0.8200 __qdisc_run 47 0.8200 csum_partial 47 0.8200 netif_receive_skb 46 0.8025 __kfree_skb 46 0.8025 tcp_init_tso_segs 44 0.7676 __copy_to_user_ll 44 0.7676 dev_queue_xmit 39 0.6804 pfifo_fast_enqueue 39 0.6804 system_call 37 0.6455 __copy_from_user_ll 37 0.6455 ip_rcv 36 0.6281 __tcp_select_window 33 0.5757 sock_wfree 31 0.5408 __do_softirq 31 0.5408 tcp_v4_send_check 30 0.5234 eth_header 28 0.4885 tcp_rcv_established 27 0.4710 restore_nocheck 26 0.4536 pfifo_fast_dequeue 25 0.4361 __do_IRQ 25 0.4361 do_softirq 25 0.4361 tcp_build_and_update_options 25 0.4361 tcp_snd_test 23 0.4013 cache_alloc_refill 23 0.4013 handle_IRQ_event 23 0.4013 tcp_ack 22 0.3838 free_block 22 0.3838 ip_route_input 21 0.3664 __netif_rx_schedule 21 0.3664 schedule 20 0.3489 do_wp_page 20 0.3489 neigh_resolve_output 19 0.3315 do_IRQ 19 0.3315 do_page_fault 19 0.3315 do_select 19 0.3315 fget_light 19 0.3315 ip_local_deliver 18 0.3140 __tcp_push_pending_frames 18 0.3140 end_level_ioapic_irq 17 0.2966 cpu_idle 17 0.2966 delay_pmtmr 17 0.2966 tcp_select_window 16 0.2791 add_wait_queue 16 0.2791 rt_hash_code 16 0.2791 tcp_set_skb_tso_segs 15 0.2617 find_vma 15 0.2617 irq_exit 15 0.2617 update_send_head 14 0.2442 __switch_to 13 0.2268 __skb_checksum_complete 13 0.2268 common_interrupt 13 0.2268 dev_kfree_skb_any 13 0.2268 tcp_event_data_sent 13 0.2268 zap_pte_range 12 0.2094 __d_lookup 12 0.2094 __page_set_anon_rmap 12 0.2094 mod_timer 12 0.2094 ret_from_intr 12 0.2094 sock_poll 12 0.2094 tcp_current_mss 12 0.2094 tcp_write_xmit 11 0.1919 do_no_page 11 0.1919 error_code 11 0.1919 free_hot_cold_page 11 0.1919 i8042_interrupt 10 0.1745 __link_path_walk 10 0.1745 buffered_rmqueue 10 0.1745 sk_reset_timer 9 0.1570 __rmqueue 9 0.1570 dev_hard_start_xmit 9 0.1570 free_pages_bulk 9 0.1570 resume_kernel 9 0.1570 skb_checksum 9 0.1570 tcp_cong_avoid 9 0.1570 tcp_rtt_estimator 8 0.1396 do_anonymous_page 8 0.1396 eth_type_trans 8 0.1396 get_page_from_freelist 8 0.1396 tcp_ack_saw_tstamp 8 0.1396 tcp_v4_checksum_init 7 0.1221 __wake_up 7 0.1221 atomic_notifier_call_chain 7 0.1221 normal_poll 7 0.1221 sk_stream_write_space 7 0.1221 tcp_ack_packets_out 7 0.1221 tcp_check_space 7 0.1221 tcp_cwnd_validate 7 0.1221 tcp_reno_cong_avoid 6 0.1047 __pagevec_lru_add_active 6 0.1047 copy_from_user 6 0.1047 hrtimer_get_softirq_time 6 0.1047 lock_sock 6 0.1047 lookup_bh_lru 6 0.1047 net_tx_action 6 0.1047 remove_wait_queue 6 0.1047 tcp_new_space 6 0.1047 unmap_vmas 5 0.0872 __copy_user_intel 5 0.0872 __handle_mm_fault 5 0.0872 __page_cache_release 5 0.0872 core_sys_select 5 0.0872 del_timer 5 0.0872 dnotify_parent 5 0.0872 filemap_nopage 5 0.0872 find_get_page 5 0.0872 kfree_skb 5 0.0872 lru_cache_add_active 5 0.0872 max_select_fd 5 0.0872 mod_page_state_offset 5 0.0872 note_interrupt 5 0.0872 pipe_poll 5 0.0872 prepare_to_wait 5 0.0872 restore_all 5 0.0872 scheduler_tick 5 0.0872 slab_put_obj 5 0.0872 syscall_exit 5 0.0872 try_to_wake_up 5 0.0872 zone_watermark_ok 4 0.0698 __sk_dst_check 4 0.0698 copy_to_user 4 0.0698 do_poll 4 0.0698 do_pollfd 4 0.0698 fput 4 0.0698 inotify_dentry_parent_queue_event 4 0.0698 inotify_inode_queue_event 4 0.0698 memcpy 4 0.0698 sk_stream_wait_memory 4 0.0698 slab_get_obj 4 0.0698 sock_sendmsg 4 0.0698 strncpy_from_user 4 0.0698 strnlen_user 4 0.0698 tcp_should_expand_sndbuf 4 0.0698 tty_poll 3 0.0523 __alloc_pages 3 0.0523 __copy_user_zeroing_intel 3 0.0523 __d_path 3 0.0523 __find_get_block 3 0.0523 __follow_mount 3 0.0523 __netif_schedule 3 0.0523 __wake_up_bit 3 0.0523 __wake_up_common 3 0.0523 _atomic_dec_and_lock 3 0.0523 activate_task 3 0.0523 anon_vma_prepare 3 0.0523 bh_lru_install 3 0.0523 cond_resched 3 0.0523 do_lookup 3 0.0523 do_path_lookup 3 0.0523 do_readv_writev 3 0.0523 dup_fd 3 0.0523 effective_prio 3 0.0523 hrtimer_run_queues 3 0.0523 ing_filter 3 0.0523 link_path_walk 3 0.0523 notifier_call_chain 3 0.0523 preempt_schedule 3 0.0523 radix_tree_lookup 3 0.0523 release_pages 3 0.0523 run_timer_softirq 3 0.0523 run_workqueue 3 0.0523 sys_sendto 3 0.0523 sys_writev 3 0.0523 tty_ldisc_deref 3 0.0523 unmap_page_range 3 0.0523 vm_normal_page 2 0.0349 __brelse 2 0.0349 __find_get_block_slow 2 0.0349 __getblk 2 0.0349 __mod_page_state_offset 2 0.0349 __mod_timer 2 0.0349 acct_update_integrals 2 0.0349 adjtime_adjustment 2 0.0349 alloc_sock_iocb 2 0.0349 apic_timer_interrupt 2 0.0349 bit_waitqueue 2 0.0349 cache_flusharray 2 0.0349 cache_reap 2 0.0349 d_alloc 2 0.0349 dput 2 0.0349 fget 2 0.0349 finish_wait 2 0.0349 init_timer 2 0.0349 lock_timer_base 2 0.0349 opost_block 2 0.0349 page_remove_rmap 2 0.0349 permission 2 0.0349 poll_get_entry 2 0.0349 poll_initwait 2 0.0349 profile_munmap 2 0.0349 pty_chars_in_buffer 2 0.0349 put_page 2 0.0349 raise_softirq 2 0.0349 recalc_task_prio 2 0.0349 resume_userspace 2 0.0349 ret_from_exception 2 0.0349 rmqueue_bulk 2 0.0349 rw_verify_area 2 0.0349 sched_clock 2 0.0349 setup_frame 2 0.0349 skb_queue_head 2 0.0349 sock_aio_read 2 0.0349 sock_def_readable 2 0.0349 sys_ioctl 2 0.0349 sys_read 2 0.0349 task_curr 2 0.0349 task_timeslice 2 0.0349 tty_ldisc_try 2 0.0349 vfs_read 2 0.0349 vma_adjust 2 0.0349 vma_link 1 0.0174 __block_write_full_page 1 0.0174 __dentry_open 1 0.0174 __dequeue_signal 1 0.0174 __do_page_cache_readahead 1 0.0174 __fput 1 0.0174 __generic_file_aio_read 1 0.0174 __group_complete_signal 1 0.0174 __ip_route_output_key 1 0.0174 __lookup_mnt 1 0.0174 __mark_inode_dirty 1 0.0174 __pollwait 1 0.0174 __put_task_struct 1 0.0174 __put_user_4 1 0.0174 __queue_work 1 0.0174 __rcu_pending 1 0.0174 __sigqueue_alloc 1 0.0174 __vma_link_rb 1 0.0174 alloc_inode 1 0.0174 alloc_slabmgmt 1 0.0174 arch_unmap_area_topdown 1 0.0174 as_add_request 1 0.0174 as_fifo_expired 1 0.0174 as_find_next_arq 1 0.0174 autoremove_wake_function 1 0.0174 bio_init 1 0.0174 block_read_full_page 1 0.0174 cached_lookup 1 0.0174 can_vma_merge_before 1 0.0174 con_chars_in_buffer 1 0.0174 convert_fxsr_from_user 1 0.0174 copy_from_read_buf 1 0.0174 copy_pte_range 1 0.0174 cp_new_stat64 1 0.0174 d_splice_alias 1 0.0174 do_exit 1 0.0174 do_filp_open 1 0.0174 do_fork 1 0.0174 do_getname 1 0.0174 do_gettimeofday 1 0.0174 do_mpage_readpage 1 0.0174 do_sigaction 1 0.0174 do_sock_read 1 0.0174 do_sock_write 1 0.0174 do_sync_write 1 0.0174 do_timer 1 0.0174 drain_array 1 0.0174 dummy_inode_permission 1 0.0174 dup_mm 1 0.0174 dup_task_struct 1 0.0174 elv_queue_empty 1 0.0174 enqueue_hrtimer 1 0.0174 enqueue_task 1 0.0174 exit_mmap 1 0.0174 file_ra_state_init 1 0.0174 filesystems_read_proc 1 0.0174 find_vma_prev 1 0.0174 free_poll_entry 1 0.0174 generic_permission 1 0.0174 get_index 1 0.0174 get_signal_to_deliver 1 0.0174 get_vmalloc_info 1 0.0174 getname 1 0.0174 handle_signal 1 0.0174 hrtimer_try_to_cancel 1 0.0174 inet_csk_init_xmit_timers 1 0.0174 init_buffer_head 1 0.0174 inode_change_ok 1 0.0174 inode_init_once 1 0.0174 kbd_bh 1 0.0174 kmem_cache_zalloc 1 0.0174 kmem_getpages 1 0.0174 load_elf_binary 1 0.0174 locks_remove_posix 1 0.0174 memmove 1 0.0174 mempool_free 1 0.0174 mmput 1 0.0174 mutex_lock 1 0.0174 netlink_insert 1 0.0174 no_singlestep 1 0.0174 nr_blockdev_pages 1 0.0174 number 1 0.0174 open_namei 1 0.0174 page_add_new_anon_rmap 1 0.0174 path_release 1 0.0174 pipe_release 1 0.0174 poke_blanked_console 1 0.0174 proc_pid_readlink 1 0.0174 pty_unthrottle 1 0.0174 put_filp 1 0.0174 radix_tree_insert 1 0.0174 raise_softirq_irqoff 1 0.0174 rb_insert_color 1 0.0174 rcu_do_batch 1 0.0174 rcu_pending 1 0.0174 release_sock 1 0.0174 remove_vma 1 0.0174 restore_sigcontext 1 0.0174 search_binary_handler 1 0.0174 sk_wait_data 1 0.0174 skb_dequeue 1 0.0174 skb_queue_tail 1 0.0174 sock_aio_write 1 0.0174 sock_alloc_send_pskb 1 0.0174 sock_def_write_space 1 0.0174 sock_from_file 1 0.0174 sock_ioctl 1 0.0174 submit_bio 1 0.0174 sys_fcntl64 1 0.0174 sys_fstat64 1 0.0174 sys_rt_sigaction 1 0.0174 sys_rt_sigprocmask 1 0.0174 sys_send 1 0.0174 sys_sigreturn 1 0.0174 sys_socketcall 1 0.0174 sys_waitpid 1 0.0174 tcp_close 1 0.0174 tcp_data_queue 1 0.0174 tcp_fastretrans_alert 1 0.0174 tcp_grow_window 1 0.0174 tcp_mtu_probe 1 0.0174 tcp_v4_do_rcv 1 0.0174 tty_hung_up_p 1 0.0174 tty_insert_flip_string_flags 1 0.0174 tty_paranoia_check 1 0.0174 tty_wakeup 1 0.0174 tty_write 1 0.0174 unlock_buffer 1 0.0174 unmap_region 1 0.0174 update_process_times 1 0.0174 update_wall_time 1 0.0174 update_wall_time_one_tick 1 0.0174 vfs_ioctl 1 0.0174 vfs_permission 1 0.0174 vma_prio_tree_add 1 0.0174 wait_task_zombie
CPU: PIII, speed 1200 MHz (estimated) Counted CPU_CLK_UNHALTED events (clocks processor is not halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % symbol name 1255 21.6865 csum_partial_copy_generic 398 6.8775 __copy_from_user_ll 343 5.9271 __alloc_skb 254 4.3891 prep_new_page 243 4.1991 skb_segment 110 1.9008 __kmalloc 106 1.8317 kfree 106 1.8317 timer_interrupt 105 1.8144 skb_copy_and_csum_bits 94 1.6243 net_rx_action 77 1.3306 kmem_cache_free 75 1.2960 tcp_v4_rcv 72 1.2442 kmem_cache_alloc 63 1.0886 page_fault 55 0.9504 mark_offset_pmtmr 54 0.9331 __kfree_skb 52 0.8986 skb_release_data 51 0.8813 csum_partial 50 0.8640 do_softirq 50 0.8640 inet_gso_segment 47 0.8122 get_offset_pmtmr 47 0.8122 irq_entries_start 45 0.7776 netif_receive_skb 43 0.7430 tcp_current_mss 41 0.7085 free_hot_cold_page 40 0.6912 tcp_clean_rtx_queue 36 0.6221 kfree_skbmem 35 0.6048 tcp_sendmsg 35 0.6048 tcp_write_xmit 34 0.5875 __do_softirq 31 0.5357 __do_IRQ 31 0.5357 ip_rcv 31 0.5357 tcp_rcv_established 30 0.5184 __pskb_trim_head 29 0.5011 system_call 28 0.4838 tcp_ack 28 0.4838 tcp_tso_segment 28 0.4838 tcp_tso_should_defer 27 0.4666 __copy_to_user_ll 26 0.4493 restore_nocheck 26 0.4493 rt_hash_code 25 0.4320 do_wp_page 24 0.4147 handle_IRQ_event 24 0.4147 schedule 23 0.3974 do_select 23 0.3974 tcp_tso_acked 22 0.3802 ip_local_deliver 22 0.3802 ip_route_input 21 0.3629 buffered_rmqueue 21 0.3629 free_block 20 0.3456 end_level_ioapic_irq 20 0.3456 tcp_init_tso_segs 19 0.3283 __netif_rx_schedule 19 0.3283 cache_alloc_refill 19 0.3283 dev_kfree_skb_any 18 0.3110 skb_split 17 0.2938 ret_from_intr 17 0.2938 tcp_mark_head_lost 16 0.2765 common_interrupt 16 0.2765 do_page_fault 16 0.2765 get_page_from_freelist 16 0.2765 slab_put_obj 15 0.2592 do_IRQ 15 0.2592 sock_poll 15 0.2592 zap_pte_range 14 0.2419 irq_exit 14 0.2419 tcp_trim_head 14 0.2419 tcp_v4_checksum_init 13 0.2246 __link_path_walk 13 0.2246 add_wait_queue 13 0.2246 delay_pmtmr 13 0.2246 tcp_rtt_estimator 12 0.2074 __skb_checksum_complete 12 0.2074 cpu_idle 12 0.2074 fget_light 12 0.2074 find_vma 12 0.2074 skb_checksum 12 0.2074 tcp_new_space 11 0.1901 copy_from_user 11 0.1901 put_page 11 0.1901 tcp_set_skb_tso_segs 10 0.1728 __d_lookup 10 0.1728 __switch_to 10 0.1728 error_code 10 0.1728 eth_type_trans 10 0.1728 i8042_interrupt 10 0.1728 skb_copy_bits 10 0.1728 tcp_transmit_skb 9 0.1555 dev_hard_start_xmit 9 0.1555 mod_page_state_offset 9 0.1555 strnlen_user 8 0.1382 __page_set_anon_rmap 8 0.1382 do_no_page 8 0.1382 ip_output 8 0.1382 resume_kernel 8 0.1382 skb_clone 8 0.1382 tcp_check_space 8 0.1382 tcp_xmit_retransmit_queue 7 0.1210 __mod_timer 7 0.1210 __tcp_push_pending_frames 7 0.1210 __tcp_select_window 7 0.1210 ip_queue_xmit 7 0.1210 mod_timer 7 0.1210 pipe_poll 7 0.1210 remove_wait_queue 7 0.1210 zone_watermark_ok 6 0.1037 __pagevec_lru_add_active 6 0.1037 core_sys_select 6 0.1037 do_pollfd 6 0.1037 find_get_page 6 0.1037 note_interrupt 6 0.1037 sk_stream_write_space 6 0.1037 skb_gso_segment 6 0.1037 sys_read 6 0.1037 tcp_ack_packets_out 6 0.1037 tcp_cong_avoid 6 0.1037 tcp_reno_cong_avoid 5 0.0864 __rmqueue 5 0.0864 __wake_up 5 0.0864 __wake_up_common 5 0.0864 dev_queue_xmit 5 0.0864 eth_header 5 0.0864 filemap_nopage 5 0.0864 fput 5 0.0864 free_pages_bulk 5 0.0864 internal_add_timer 5 0.0864 local_bh_enable 5 0.0864 lookup_bh_lru 5 0.0864 sys_socketcall 5 0.0864 syscall_exit 5 0.0864 tcp_mtu_probe 5 0.0864 tcp_v4_do_rcv 4 0.0691 __copy_user_intel 4 0.0691 __handle_mm_fault 4 0.0691 __mod_page_state_offset 4 0.0691 __page_cache_release 4 0.0691 __pollwait 4 0.0691 __qdisc_run 4 0.0691 adjtime_adjustment 4 0.0691 apic_timer_interrupt 4 0.0691 cond_resched 4 0.0691 hrtimer_run_queues 4 0.0691 kfree_skb 4 0.0691 lock_timer_base 4 0.0691 normal_poll 4 0.0691 opost_block 4 0.0691 pfifo_fast_enqueue 4 0.0691 preempt_schedule 4 0.0691 pskb_expand_head 4 0.0691 radix_tree_lookup 4 0.0691 resume_userspace 4 0.0691 sk_reset_timer 4 0.0691 skb_dequeue 4 0.0691 sys_send 4 0.0691 tcp_sacktag_write_queue 4 0.0691 tty_ldisc_try 4 0.0691 vfs_permission 3 0.0518 __alloc_pages 3 0.0518 __find_get_block 3 0.0518 __sk_dst_check 3 0.0518 anon_vma_prepare 3 0.0518 do_mmap_pgoff 3 0.0518 do_readv_writev 3 0.0518 do_sock_read 3 0.0518 dup_mm 3 0.0518 generic_permission 3 0.0518 hrtimer_get_softirq_time 3 0.0518 ing_filter 3 0.0518 lru_cache_add_active 3 0.0518 page_add_new_anon_rmap 3 0.0518 permission 3 0.0518 pfifo_fast_dequeue 3 0.0518 pty_chars_in_buffer 3 0.0518 raise_softirq 3 0.0518 rb_insert_color 3 0.0518 release_pages 3 0.0518 restore_all 3 0.0518 run_timer_softirq 3 0.0518 rw_verify_area 3 0.0518 slab_get_obj 3 0.0518 sock_wfree 3 0.0518 tcp_ack_saw_tstamp 3 0.0518 tcp_build_and_update_options 3 0.0518 tcp_event_data_sent 3 0.0518 tcp_should_expand_sndbuf 3 0.0518 tcp_v4_send_check 3 0.0518 tso_fragment 3 0.0518 unmap_vmas 3 0.0518 update_wall_time 3 0.0518 vsnprintf 2 0.0346 __rcu_pending 2 0.0346 _atomic_dec_and_lock 2 0.0346 account_system_time 2 0.0346 acct_update_integrals 2 0.0346 blk_recount_segments 2 0.0346 cache_flusharray 2 0.0346 cleanup_timers 2 0.0346 copy_pte_range 2 0.0346 cp_new_stat64 2 0.0346 current_fs_time 2 0.0346 d_instantiate 2 0.0346 default_wake_function 2 0.0346 dequeue_task 2 0.0346 dnotify_parent 2 0.0346 do_anonymous_page 2 0.0346 do_gettimeofday 2 0.0346 do_path_lookup 2 0.0346 do_setitimer 2 0.0346 do_sys_poll 2 0.0346 drain_array 2 0.0346 effective_prio 2 0.0346 find_next_zero_bit 2 0.0346 inode_init_once 2 0.0346 input_event 2 0.0346 max_select_fd 2 0.0346 memcpy 2 0.0346 memmove 2 0.0346 need_resched 2 0.0346 neigh_resolve_output 2 0.0346 no_singlestep 2 0.0346 notifier_call_chain 2 0.0346 page_remove_rmap 2 0.0346 poll_freewait 2 0.0346 prepare_to_wait 2 0.0346 recalc_task_prio 2 0.0346 rmqueue_bulk 2 0.0346 schedule_timeout 2 0.0346 scheduler_tick 2 0.0346 skb_queue_tail 2 0.0346 sock_aio_read 2 0.0346 sock_aio_write 2 0.0346 sock_from_file 2 0.0346 sock_sendmsg 2 0.0346 strncpy_from_user 2 0.0346 sys_gettimeofday 2 0.0346 sys_sendto 2 0.0346 tcp_cwnd_down 2 0.0346 tcp_data_queue 2 0.0346 tcp_fastretrans_alert 2 0.0346 tcp_parse_options 2 0.0346 tcp_push_one 2 0.0346 tcp_select_window 2 0.0346 tcp_snd_test 2 0.0346 transfer_objects 2 0.0346 try_to_wake_up 2 0.0346 tty_write 2 0.0346 unmap_page_range 2 0.0346 vfs_ioctl 2 0.0346 vma_adjust 1 0.0173 __bread 1 0.0173 __brelse 1 0.0173 __dentry_open 1 0.0173 __dequeue_signal 1 0.0173 __exit_signal 1 0.0173 __find_get_block_slow 1 0.0173 __group_complete_signal 1 0.0173 __insert_inode_hash 1 0.0173 __lookup_mnt 1 0.0173 __netif_schedule 1 0.0173 __pskb_pull_tail 1 0.0173 __pte_alloc 1 0.0173 __tasklet_schedule 1 0.0173 __wake_up_bit 1 0.0173 acct_process 1 0.0173 ack_edge_ioapic_irq 1 0.0173 acquire_console_sem 1 0.0173 activate_task 1 0.0173 alarm_setitimer 1 0.0173 alloc_new_pmd 1 0.0173 as_dispatch_request 1 0.0173 as_merged_request 1 0.0173 autoremove_wake_function 1 0.0173 bh_lru_install 1 0.0173 bit_waitqueue 1 0.0173 block_read_full_page 1 0.0173 cache_reap 1 0.0173 check_itimerval 1 0.0173 clear_user 1 0.0173 con_chars_in_buffer 1 0.0173 convert_fxsr_to_user 1 0.0173 copy_semundo 1 0.0173 copy_strings 1 0.0173 copy_to_user 1 0.0173 d_rehash 1 0.0173 deactivate_task 1 0.0173 dev_gso_segment 1 0.0173 do_fcntl 1 0.0173 do_generic_mapping_read 1 0.0173 do_lookup 1 0.0173 do_poll 1 0.0173 do_sigaction 1 0.0173 do_sync_read 1 0.0173 do_sys_open 1 0.0173 dummy_vm_enough_memory 1 0.0173 dup_fd 1 0.0173 enqueue_task 1 0.0173 exec_permission_lite 1 0.0173 file_ra_state_init 1 0.0173 file_update_time 1 0.0173 filp_close 1 0.0173 find_task_by_pid_type 1 0.0173 finish_wait 1 0.0173 flush_old_exec 1 0.0173 free_one_page 1 0.0173 free_page_and_swap_cache 1 0.0173 free_poll_entry 1 0.0173 free_uid 1 0.0173 get_empty_filp 1 0.0173 get_index 1 0.0173 get_signal_to_deliver 1 0.0173 get_task_mm 1 0.0173 get_vmalloc_info 1 0.0173 getname 1 0.0173 group_send_sig_info 1 0.0173 groups_search 1 0.0173 handle_signal 1 0.0173 hrtimer_try_to_cancel 1 0.0173 inode_setattr 1 0.0173 inode_sub_bytes 1 0.0173 inotify_dentry_parent_queue_event 1 0.0173 inotify_inode_queue_event 1 0.0173 kbd_keycode 1 0.0173 kmem_cache_zalloc 1 0.0173 kthread_should_stop 1 0.0173 locks_remove_flock 1 0.0173 lookup_create 1 0.0173 make_ahead_window 1 0.0173 mark_page_accessed 1 0.0173 math_state_restore 1 0.0173 may_expand_vm 1 0.0173 n_tty_receive_buf 1 0.0173 nameidata_to_filp 1 0.0173 opost 1 0.0173 page_waitqueue 1 0.0173 prio_tree_remove 1 0.0173 proc_file_read 1 0.0173 profile_munmap 1 0.0173 profile_tick 1 0.0173 put_io_context 1 0.0173 rb_next 1 0.0173 rcu_do_batch 1 0.0173 rcu_pending 1 0.0173 recalc_sigpending_tsk 1 0.0173 run_local_timers 1 0.0173 run_posix_cpu_timers 1 0.0173 save_i387 1 0.0173 sched_clock 1 0.0173 setup_frame 1 0.0173 signal_wake_up 1 0.0173 sk_stream_wait_memory 1 0.0173 skb_checksum_help 1 0.0173 slab_destroy 1 0.0173 smp_send_timer_broadcast_ipi 1 0.0173 sock_def_readable 1 0.0173 sock_ioctl 1 0.0173 sys_getpid 1 0.0173 sys_munmap 1 0.0173 syscall_call 1 0.0173 tcp_ack_update_window 1 0.0173 tcp_check_sack_reneging 1 0.0173 tcp_fast_parse_options 1 0.0173 tcp_fragment 1 0.0173 tcp_mtu_to_mss 1 0.0173 tcp_window_allows 1 0.0173 timespec_trunc 1 0.0173 tty_hung_up_p 1 0.0173 tty_ldisc_deref 1 0.0173 tty_poll 1 0.0173 unlink_file_vma 1 0.0173 vfs_getattr 1 0.0173 vfs_read 1 0.0173 vfs_write 1 0.0173 vm_normal_page 1 0.0173 vm_stat_account 1 0.0173 vma_prio_tree_add 1 0.0173 zone_statistics
