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Subject[RESEND] tuning linux for high network performance?
Date
> I've got this video server serving video for VoD. problem is the P4 1.8
> seems to be maxed out by a few system calls. The below output is for ~50
> clients streaming at ~4.5Mbps. if trying to increase this to ~70, the CPU
> maxes out.
>
> Does anyone have an idea?

...adding the whole profile output - sorted by the first column this time...

905182 total 0.4741
121426 csum_partial_copy_generic 474.3203
93633 default_idle 1800.6346
74665 do_wp_page 111.1086
65857 ide_intr 184.9916
53636 handle_IRQ_event 432.5484
21973 do_softirq 107.7108
20498 e1000_intr 244.0238
19800 do_page_fault 16.8081
19395 skb_clone 45.7429
14564 system_call 260.0714
13592 kfree 89.4211
13557 skb_release_data 116.8707
13025 ide_do_request 17.6970
12988 do_rw_disk 8.4557
11841 tcp_sendmsg 2.6814
11720 nf_hook_slow 29.0099
11712 tcp_poll 34.0465
10688 schedule 7.8588
10386 __kfree_skb 34.1645
10052 ipt_do_table 10.1741
8286 fget 115.0833
7436 tcp_v4_send_check 44.2619
7191 e1000_clean_tx_irq 16.6458
7031 kmalloc 18.1211
6610 tcp_write_xmit 9.3892
6241 tcp_clean_rtx_queue 8.0425
6232 ip_conntrack_find_get 51.9333
6140 ide_dmaproc 8.4341
6125 tcp_packet 14.0482
5858 qdisc_restart 15.4158
5734 e1000_xmit_frame 5.6660
5709 tcp_v4_rcv 3.7363
5703 sys_rt_sigprocmask 11.4060
5445 tcp_transmit_skb 3.7500
5273 alloc_skb 11.8761
4961 ide_wait_stat 18.7917
4790 ip_ct_find_proto 44.3519
4782 add_timer 18.3923
4760 ip_ct_refresh 29.7500
4729 do_anonymous_page 17.6455
4616 e1000_clean_rx_irq 4.9106
4464 do_gettimeofday 37.2000
4359 flush_tlb_page 38.9196
4209 ip_finish_output2 16.4414
3731 get_hash_table 23.3188
3714 eth_type_trans 21.1023
3712 __make_request 2.3375
3680 __ip_conntrack_find 12.7778
3480 ip_route_input 9.1579
3363 kfree_skbmem 32.3365
3295 __switch_to 15.2546
3205 fput 13.1352
3143 rmqueue 5.3452
3137 ip_conntrack_in 5.0272
3008 sync_timers 250.6667
2861 sock_wfree 47.6833
2580 ip_queue_xmit 2.0347
2578 process_timeout 26.8542
2577 netif_rx 6.1357
2555 get_user_pages 6.2623
2504 sock_poll 62.6000
2346 ide_build_sglist 5.6394
2316 brw_kiovec 2.5619
2256 csum_partial 7.8333
2251 ip_queue_xmit2 4.2958
2198 start_request 4.0404
2186 dev_queue_xmit 2.7462
2167 timer_bh 2.2203
2162 __free_pages_ok 3.1608
2157 zap_page_range 2.4400
1942 mark_dirty_kiobuf 21.1087
1733 process_backlog 5.9349
1719 tcp_rcv_established 0.8493
1689 add_wait_queue 32.4808
1650 mod_timer 6.1567
1603 wait_kio 17.4239
1575 net_rx_action 4.8611
1554 get_pid 4.0052
1434 lru_cache_add 12.8036
1429 handle_mm_fault 7.7663
1397 ip_local_deliver_finish 4.5357
1357 nf_iterate 10.2803
1350 e1000_alloc_rx_buffers 5.2734
1298 do_select 2.5155
1268 unlock_page 12.1923
1209 submit_bh 10.7946
1184 add_entropy_words 5.9200
1175 __brelse 36.7188
1125 __pollwait 7.8125
1108 shrink_list 5.7708
1099 generic_make_request 3.6151
1080 __free_pages 33.7500
1052 tcp_ack 1.2524
1020 ip_rcv 1.0851
986 raid0_make_request 2.9345
898 ext3_direct_io_get_block 4.7766
883 pfifo_fast_dequeue 11.6184
863 sys_gettimeofday 5.5321
828 tcp_ack_update_window 3.9808
813 ipt_local_out_hook 7.8173
761 __lru_cache_del 6.5603
756 sys_write 2.9531
742 __rdtsc_delay 26.5000
730 uhci_interrupt 3.3182
718 net_tx_action 2.5643
710 batch_entropy_store 3.9444
701 add_timer_randomness 3.3066
666 tasklet_hi_action 4.1625
662 sys_nanosleep 1.7796
635 set_page_dirty 5.4741
627 __tcp_data_snd_check 3.1350
611 netif_receive_skb 1.9094
601 pfifo_fast_enqueue 5.3661
590 del_timer_sync 4.3382
587 lru_cache_del 26.6818
574 get_unmapped_area 2.1103
561 wait_for_tcp_memory 0.7835
557 ip_refrag 5.8021
546 ip_conntrack_local 6.2045
515 sys_select 0.4486
507 __tcp_select_window 2.2634
481 ext3_get_branch 2.2689
433 ip_output 1.2301
389 ip_confirm 9.7250
384 find_vma 4.5714
379 set_bh_page 9.4750
376 tcp_v4_do_rcv 1.0108
370 tcp_ack_no_tstamp 1.4453
368 batch_entropy_process 2.0000
365 ide_build_dmatable 1.1551
364 ip_rcv_finish 0.7696
363 kmem_cache_free 2.8359
362 __wake_up 1.8854
338 ext3_get_block_handle 0.5152
336 inet_sendmsg 5.2500
318 bh_action 2.3382
298 tcp_data_queue 0.1064
272 md_make_request 2.6154
272 ext3_block_to_path 0.9714
248 sock_sendmsg 1.8235
244 __alloc_pages 0.6932
238 kmem_cache_alloc 0.7532
226 __free_pte 3.1389
225 tcp_ack_probe 1.3720
224 __run_task_queue 2.0741
213 ide_get_queue 5.3250
209 __ip_ct_find_proto 4.3542
202 get_sample_stats 1.7414
195 tcp_write_space 1.6810
185 schedule_timeout 1.1859
184 do_signal 0.2992
182 ipt_hook 4.5500
171 generic_direct_IO 0.5552
168 can_share_swap_page 1.8261
157 ip_local_deliver 0.3965
155 get_conntrack_index 2.7679
145 tcp_push_one 0.5664
145 ide_set_handler 1.2500
144 pipe_poll 1.4400
143 max_select_fd 0.8938
139 pte_alloc 0.5792
138 del_timer 1.6429
136 sock_write 0.7234
131 poll_freewait 1.9265
131 getblk 1.7237
130 send_sig_info 0.8553
128 __release_sock 1.4545
125 ret_from_sys_call 7.3529
120 ext3_direct_IO 0.1807
118 tcp_pkt_to_tuple 3.6875
117 find_vma_prev 0.6648
114 do_no_page 0.2298
112 tqueue_bh 4.0000
112 follow_page 1.0769
110 bread 1.1000
108 e1000_rx_checksum 1.2273
107 generic_file_direct_IO 0.1938
102 add_interrupt_randomness 2.5500
97 remove_wait_queue 1.7321
96 mark_page_accessed 2.0000
91 kill_something_info 0.2645
85 invert_tuple 1.9318
81 exit_notify 0.1151
81 cpu_idle 0.9643
80 tcp_new_space 0.6061
79 nf_register_queue_handler 0.5197
75 uhci_remove_pending_qhs 0.3906
69 pdc202xx_dmaproc 0.1250
68 sys_read 0.2656
68 nf_reinject 0.1491
66 map_user_kiobuf 0.2619
65 find_vma_prepare 0.6500
64 generic_file_read 0.2353
61 check_pgt_cache 2.5417
60 free_pages 1.8750
58 error_code 0.9667
57 vm_enough_memory 0.5481
56 __delay 1.4000
55 __const_udelay 1.0577
53 tcp_ioctl 0.0908
53 journal_commit_transaction 0.0132
53 do_munmap 0.0901
52 _alloc_pages 2.1667
51 uhci_finish_completion 0.4554
51 credit_entropy_store 1.1591
50 rh_report_status 0.1953
50 free_page_and_swap_cache 0.8929
49 sys_rt_sigsuspend 0.1750
49 nr_free_pages 0.6125
49 do_mmap_pgoff 0.0394
48 e1000_update_stats 0.0307
48 do_get_write_access 0.0366
48 __journal_file_buffer 0.0916
48 __get_free_pages 2.0000
48 .text.lock.e1000_main 1.7143
47 expand_kiobuf 0.3092
46 uhci_free_pending_qhs 0.4600
46 tcp_parse_options 0.0833
46 kmem_cache_size 5.7500
45 rb_erase 0.2083
44 unmap_kiobuf 0.6111
41 tcp_cwnd_application_limited 0.3106
41 rh_int_timer_do 0.1165
41 init_or_cleanup 0.1424
40 sync_unlocked_inodes 0.0901
40 init_buffer 1.4286
39 .text.lock.ip_input 1.0000
38 vma_merge 0.1301
38 pfifo_fast_requeue 0.6786
38 ip_conntrack_get 0.9500
38 dev_watchdog 0.2209
37 .text.lock.ip_output 0.2803
36 do_check_pgt_cache 0.1731
35 tcp_retrans_try_collapse 0.0576
35 journal_add_journal_head 0.1306
34 ext3_get_inode_loc 0.0914
33 journal_write_revoke_records 0.1964
32 fsync_buffers_list 0.0860
31 filemap_fdatasync 0.1615
31 __pmd_alloc 1.5500
30 sys_wait4 0.0305
30 restore_sigcontext 0.0949
29 sys_sigreturn 0.1169
28 tcp_fastretrans_alert 0.0224
28 do_settimeofday 0.1628
28 do_ide_request 1.4000
27 unmap_fixup 0.0785
27 find_extend_vma 0.1350
27 eth_header_parse 0.8438
27 current_capacity 0.6750
26 save_i387 0.0478
26 __journal_clean_checkpoint_list 0.2407
25 update_atime 0.3125
25 tcp_v4_destroy_sock 0.0718
25 link_path_walk 0.0102
25 buffer_insert_inode_queue 0.2841
25 __journal_unfile_buffer 0.0665
24 sys_mmap2 0.1622
24 rh_send_irq 0.0896
24 rb_insert_color 0.1224
24 ext3_do_update_inode 0.0261
24 balance_dirty_state 0.3158
24 add_wait_queue_exclusive 0.4615
24 __try_to_free_cp_buf 0.4000
23 free_kiobuf_bhs 0.2396
22 tcp_rcv_synsent_state_process 0.0169
22 sys_munmap 0.2619
22 start_this_handle 0.0598
22 sock_rfree 1.3750
22 setup_sigcontext 0.0743
22 flush_tlb_mm 0.1964
22 do_exit 0.0301
22 alloc_kiobuf_bhs 0.1170
22 __rb_erase_color 0.0567
21 tcp_mem_schedule 0.0477
21 setup_frame 0.0482
21 __generic_copy_to_user 0.3500
20 unlock_buffer 0.3125
20 journal_write_metadata_buffer 0.0240
20 d_lookup 0.0704
20 copy_skb_header 0.0980
19 sync_old_buffers 0.1218
19 sock_mmap 0.4750
19 skb_split 0.0344
19 select_bits_alloc 0.7917
19 get_info_ptr 0.2065
17 tcp_write_wakeup 0.0363
17 ret_from_exception 0.6800
17 kiobuf_wait_for_io 0.1062
17 journal_unlock_journal_head 0.1518
17 bad_signal 0.1250
16 tcp_probe_timer 0.0952
16 tcp_close 0.0083
16 ip_route_output_slow 0.0099
16 __mark_inode_dirty 0.0952
16 .text.lock.timer 0.1250
16 .text.lock.tcp 0.0152
15 journal_cancel_revoke 0.0765
15 ext3_bmap 0.1500
15 do_fork 0.0074
15 blk_grow_request_list 0.0833
14 tcp_v4_conn_request 0.0145
14 sync_supers 0.0507
14 log_start_commit 0.0946
14 lock_vma_mappings 0.3500
14 journal_dirty_metadata 0.0354
14 file_read_actor 0.0625
14 __insert_vm_struct 0.1400
13 tcp_time_to_recover 0.0290
13 sys_ioctl 0.0259
13 lookup_swap_cache 0.1625
13 ip_build_xmit_slow 0.0099
13 invalidate_inode_pages 0.0739
13 ext3_dirty_inode 0.0478
13 bmap 0.2955
12 tcp_collapse 0.0143
12 sys_socketcall 0.0234
12 put_filp 0.1364
12 make_pages_present 0.0968
12 journal_get_write_access 0.1304
12 generic_file_write 0.0061
12 e1000_ioctl 0.3333
11 uhci_transfer_result 0.0316
11 tcp_try_to_open 0.0348
11 tcp_recvmsg 0.0045
11 tcp_create_openreq_child 0.0092
11 sys_kill 0.1250
11 schedule_tail 0.0786
11 osync_buffers_list 0.0859
11 journal_stop 0.0255
11 do_sigpending 0.0887
10 tcp_unhash 0.0397
10 tcp_send_probe0 0.0424
10 tcp_rcv_state_process 0.0040
10 sys_poll 0.0138
10 inet_shutdown 0.0208
10 execute_drive_cmd 0.0221
10 __put_unused_buffer_head 0.1136
9 tcp_write_timer 0.0395
9 tcp_send_skb 0.0191
9 tcp_make_synack 0.0082
9 set_buffer_flushtime 0.4500
9 raid0_status 0.2045
9 copy_page_range 0.0205
8 kupdate 0.0274
8 journal_get_descriptor_buffer 0.0741
8 get_empty_filp 0.0253
8 ext3_write_super 0.0741
8 count_active_tasks 0.1111
8 atomic_dec_and_lock 0.1111
8 __lock_page 0.0400
8 __journal_remove_journal_head 0.0250
8 __ip_conntrack_confirm 0.0115
8 __block_prepare_write 0.0105
7 tcp_invert_tuple 0.2188
7 ports_active 0.1346
7 pipe_write 0.0112
7 kjournald 0.0130
7 handle_signal 0.0273
7 grow_buffers 0.0254
7 ext3_get_block 0.0700
7 balance_classzone 0.0151
7 __jbd_kmalloc 0.0625
7 .text.lock.swap 0.1296
6 vsnprintf 0.0057
6 tcp_v4_send_reset 0.0176
6 tcp_accept 0.0105
6 sleep_on 0.0500
6 select_bits_free 0.3750
6 pipe_read 0.0118
6 number 0.0055
6 ip_route_output_key 0.0165
6 inet_accept 0.0136
6 get_unused_buffer_head 0.0375
6 dput 0.0176
6 cleanup_rbuf 0.0273
6 __journal_remove_checkpoint 0.0556
6 __journal_drop_transaction 0.0087
6 __find_get_page 0.0938
6 .text.lock.netfilter 0.0260
5 vmtruncate_list 0.0625
5 vfs_permission 0.0208
5 tcp_v4_hnd_req 0.0147
5 tcp_init_cwnd 0.0500
5 tcp_check_urg 0.0158
5 tcp_check_sack_reneging 0.0240
5 sys_fork 0.1786
5 sock_setsockopt 0.0034
5 sock_init_data 0.0161
5 sock_def_readable 0.0521
5 release_x86_irqs 0.0595
5 release_task 0.0109
5 refile_buffer 0.1389
5 pipe_release 0.0368
5 path_init 0.0129
5 nr_free_buffer_pages 0.0625
5 mprotect_fixup 0.0043
5 log_space_left 0.1562
5 ll_rw_block 0.0119
5 journal_start 0.0272
5 init_bh 0.2083
5 get_zeroed_page 0.1389
5 ext3_commit_write 0.0078
5 e1000_tx_timeout 0.2500
5 do_poll 0.0227
5 bdfind 0.1389
5 add_keyboard_randomness 0.1250
5 __wait_on_buffer 0.0338
5 __vma_link 0.0284
5 __tcp_mem_reclaim 0.0595
5 __rb_rotate_left 0.0781
4 write_profile 0.0244
4 tcp_v4_syn_recv_sock 0.0064
4 tcp_v4_search_req 0.0278
4 tcp_v4_route_req 0.0192
4 tcp_v4_init_sock 0.0169
4 tcp_cwnd_restart 0.0263
4 tcp_check_req 0.0043
4 tcp_check_reno_reordering 0.0500
4 sys_mprotect 0.0078
4 strncpy_from_user 0.0500
4 sock_def_wakeup 0.0625
4 sock_alloc 0.0208
4 skb_copy_datagram_iovec 0.0071
4 lookup_mnt 0.0476
4 locks_remove_posix 0.0096
4 invalidate_inode_buffers 0.0370
4 init_conntrack 0.0043
4 halfMD4Transform 0.0068
4 find_or_create_page 0.0164
4 filp_close 0.0238
4 ext3_reserve_inode_write 0.0233
4 ext3_find_goal 0.0213
4 do_fcntl 0.0059
4 dnotify_flush 0.0345
4 d_alloc 0.0105
4 add_blkdev_randomness 0.0526
4 _stext 0.0500
4 __journal_insert_checkpoint 0.0167
4 __find_lock_page_helper 0.0323
4 .text.lock.inode 0.0086
3 wait_for_tcp_connect 0.0054
3 tcp_v4_get_port 0.0045
3 tcp_put_port 0.0150
3 tcp_init_xmit_timers 0.0221
3 tcp_clear_xmit_timers 0.0234
3 tcp_add_reno_sack 0.0357
3 sys_sched_getscheduler 0.0288
3 sys_fcntl64 0.0221
3 sys_accept 0.0119
3 sock_ioctl 0.0268
3 sock_fasync 0.0038
3 sock_def_error_report 0.0312
3 rt_check_expire__thr 0.0077
3 rh_init_int_timer 0.0278
3 reset_hc 0.0167
3 register_gifconf 0.0938
3 read_chan 0.0016
3 put_unused_buffer_head 0.0833
3 pipe_ioctl 0.0375
3 permission 0.0227
3 open_namei 0.0024
3 mm_release 0.0833
3 locks_remove_flock 0.0163
3 ksoftirqd 0.0153
3 journal_file_buffer 0.0682
3 iput 0.0060
3 ip_build_and_send_pkt 0.0067
3 interruptible_sleep_on 0.0250
3 inet_sock_destruct 0.0080
3 inet_ioctl 0.0079
3 inet_create 0.0048
3 immediate_bh 0.1071
3 get_unused_fd 0.0077
3 get_empty_inode 0.0179
3 flush_tlb_all_ipi 0.0395
3 filemap_fdatawait 0.0214
3 fd_install 0.0441
3 ext3_prepare_write 0.0056
3 ext3_mark_iloc_dirty 0.0357
3 e1000_watchdog 0.0064
3 e1000_read_phy_reg 0.0179
3 d_invalidate 0.0214
3 create_buffers 0.0125
3 cp_new_stat64 0.0095
3 copy_mm 0.0040
3 copy_files 0.0043
3 bdget 0.0078
3 __insert_into_lru_list 0.0300
3 __global_restore_flags 0.0417
3 __get_user_4 0.1250
2 write_ldt 0.0037
2 walk_page_buffers 0.0161
2 tcp_try_undo_partial 0.0093
2 tcp_try_undo_dsack 0.0294
2 tcp_send_ack 0.0100
2 tcp_retransmit_skb 0.0034
2 tcp_new 0.0333
2 tcp_init_metrics 0.0063
2 tcp_fragment 0.0029
2 tcp_fixup_sndbuf 0.0455
2 tcp_enter_loss 0.0051
2 tcp_destroy_sock 0.0043
2 tcp_close_state 0.0104
2 tcp_child_process 0.0134
2 tcp_bucket_create 0.0263
2 tasklet_init 0.0500
2 sys_close 0.0179
2 sock_recvmsg 0.0116
2 sock_map_fd 0.0052
2 sk_free 0.0172
2 sk_alloc 0.0208
2 sem_exit 0.0038
2 reschedule 0.1667
2 put_files_struct 0.0109
2 path_release 0.0417
2 path_lookup 0.0556
2 mmput 0.0172
2 kiobuf_init 0.0238
2 journal_unfile_buffer 0.0556
2 journal_get_undo_access 0.0070
2 journal_dirty_data 0.0047
2 ip_mc_drop_socket 0.0156
2 idedisk_open 0.0156
2 grow_dev_page 0.0122
2 getname 0.0128
2 generic_unplug_device 0.0333
2 generic_file_llseek 0.0135
2 free_kiovec 0.0200
2 flush_signal_handlers 0.0333
2 filemap_nopage 0.0040
2 ext3_writepage_trans_blocks 0.0152
2 ext3_getblk 0.0030
2 do_generic_file_read 0.0017
2 destroy_inode 0.0455
2 deliver_to_old_ones 0.0114
2 copy_namespace 0.0023
2 clear_inode 0.0122
2 clean_inode 0.0109
2 block_prepare_write 0.0179
2 alloc_kiovec 0.0161
2 add_page_to_hash_queue 0.0455
2 activate_page 0.0139
2 __tcp_v4_lookup_listener 0.0208
2 __journal_refile_buffer 0.0088
2 __generic_copy_from_user 0.0227
2 __find_lock_page 0.0500
2 __down_trylock 0.0263
2 __down_failed_trylock 0.1667
2 __block_commit_write 0.0098
2 .text.lock.sched 0.0042
1 vt_console_device 0.0250
1 vgacon_save_screen 0.0114
1 udp_sendmsg 0.0010
1 tty_write 0.0015
1 tty_ioctl 0.0011
1 tcp_xmit_retransmit_queue 0.0010
1 tcp_xmit_probe_skb 0.0086
1 tcp_v4_synq_add 0.0063
1 tcp_v4_rebuild_header 0.0028
1 tcp_timewait_kill 0.0045
1 tcp_sync_mss 0.0081
1 tcp_reset_keepalive_timer 0.0250
1 tcp_reset 0.0039
1 tcp_recv_urg 0.0044
1 tcp_incr_quickack 0.0167
1 tcp_error 0.0139
1 sys_time 0.0119
1 sys_stat64 0.0086
1 sys_modify_ldt 0.0106
1 sys_lstat64 0.0089
1 sys_llseek 0.0034
1 sys_getppid 0.0250
1 sys_getpeername 0.0081
1 sys_fstat64 0.0104
1 sys_clone 0.0250
1 sys_brk 0.0042
1 sys_access 0.0034
1 svc_udp_recvfrom 0.0014
1 sock_wmalloc 0.0125
1 sock_release 0.0104
1 sock_read 0.0064
1 sock_create 0.0036
1 skb_recv_datagram 0.0042
1 show_mem 0.0033
1 setup_rt_frame 0.0015
1 setscheduler 0.0024
1 secure_tcp_sequence_number 0.0051
1 restart_request 0.0132
1 remove_inode_page 0.0192
1 remove_expectations 0.0208
1 proc_pid_lookup 0.0020
1 proc_lookup 0.0068
1 pdc202xx_reset 0.0074
1 path_walk 0.0357
1 opost 0.0023
1 old_mmap 0.0033
1 normal_poll 0.0035
1 nfs3svc_encode_attrstat 0.0020
1 n_tty_receive_buf 0.0002
1 move_addr_to_user 0.0119
1 mm_init 0.0051
1 memory_open 0.0050
1 kmem_cache_grow 0.0018
1 kill_fasync 0.0172
1 journal_free_journal_head 0.0500
1 journal_bmap 0.0089
1 journal_blocks_per_page 0.0312
1 journal_alloc_journal_head 0.0096
1 is_read_only 0.0147
1 ip_ct_gather_frags 0.0031
1 init_private_file 0.0093
1 init_once 0.0038
1 init_buffer_head 0.0182
1 inet_release 0.0125
1 inet_getname 0.0083
1 inet_autobind 0.0023
1 get_pipe_inode 0.0057
1 free_pgtables 0.0071
1 fn_hash_lookup 0.0045
1 find_inlist_lock 0.0035
1 file_move 0.0139
1 fcntl_dirnotify 0.0032
1 ext3_write_inode 0.0192
1 ext3_test_allocatable 0.0156
1 ext3_release_file 0.0357
1 ext3_read_inode 0.0014
1 ext3_open_file 0.0250
1 ext3_group_sparse 0.0104
1 ext3_file_write 0.0053
1 exit_sighand 0.0100
1 e1000_tbi_adjust_stats 0.0021
1 e1000_check_for_link 0.0020
1 do_timer 0.0125
1 do_tcp_sendpages 0.0004
1 do_sys_settimeofday 0.0064
1 do_readv_writev 0.0016
1 do_pollfd 0.0074
1 death_by_timeout 0.0068
1 d_instantiate 0.0139
1 cpu_raise_softirq 0.0154
1 copy_thread 0.0071
1 clear_page_tables 0.0046
1 clean_from_lists 0.0139
1 check_unthrottle 0.0208
1 change_protection 0.0027
1 cached_lookup 0.0119
1 add_to_page_cache_locked 0.0081
1 __user_walk 0.0156
1 __remove_inode_page 0.0104
1 __remove_from_lru_list 0.0119
1 __refile_buffer 0.0109
1 __rb_rotate_right 0.0156
1 __loop_delay 0.0250
1 .text.lock.super 0.0071
--
Roy Sigurd Karlsbakk, Datavaktmester
ProntoTV AS - http://www.pronto.tv/
Tel: +47 9801 3356

Computers are like air conditioners.
They stop working when you open Windows.

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