[RESEND] tuning linux for high network performance?

From: Roy Sigurd Karlsbakk (roy@karlsbakk.net)
Date: Wed Oct 23 2002 - 06:06:18 EST


> 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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This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:01:03 EST