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Subjectext3 performance bottleneck as the number of spindles gets large
Date
We've been doing some throughput comparisons and benchmarks of block I/O 
throughput for 8KB writes as the number of SCSI addapters and drives per
adapter is increased.

The Linux platform is a dual processor 1.2GHz PIII, 2Gig or RAM, 2U box.
Similar results have been seen with both 2.4.16 and 2.4.18 base kernel, as
well as one of those patched up O(1) 2.4.18 kernels out there.

The benchmark is Bonnie++.

What seems to be happening is the throughput for 8Kb sequential Write's with
300MB files goes down with the number of spindles. We have negative scale WRT
spindles per SCSI adapter, and very poor scaling per SCSI adapter.

(The other 2 processor + OS platform sees its throughput go up with adapters and
spindles. )

Running this benchmark with lockmeter ends up pointing a big finger at BKL
contention in: ext3_commit_write, ext3_dirty_inode, ext3_get_block_handle
and, ext3_prepare_write (twice!). Attached is the output from the worst
case, 4 SCSI adapters with 6 drives per adapter.

Has anyone done any work looking into the I/O scaling of Linux / ext3 per
spindle or per adapter? We would like to compare notes.

I've only just started to look at the ext3 code but it seems to me that replacing the
BKL with a per - ext3 file system lock could remove some of the contention thats
getting measured. What data are the BKL protecting in these ext3 functions? Could a
lock per FS approach work?

Thoughts?
Comments?
Ideas?

--mgross



- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SPINLOCKS HOLD WAIT
UTIL CON MEAN( MAX ) MEAN( MAX )(% CPU) TOTAL NOWAIT SPIN RJECT NAME

3.7% 0.7us( 44ms) 7.8us( 44ms)(22.9%) 49644038 96.3% 3.7% 0.00% *TOTAL*

26.6% 71.2% 13us( 44ms) 8.0us(8076us)( 5.8%) 632107 28.8% 71.2% 0% ext3_commit_write+0x38
4.4% 30.3% 4.3us( 360us) 13us(7511us)( 2.1%) 316124 69.7% 30.3% 0% ext3_dirty_inode+0x2c
28.1% 7.9% 14us(1660us) 9.7us(6842us)(0.78%) 632239 92.1% 7.9% 0% ext3_get_block_handle+0x8c
1.2% 27.2% 0.6us( 240us) 11us(6604us)( 3.0%) 632107 72.8% 27.2% 0% ext3_prepare_write+0x34
0.26% 88.1% 0.1us( 74us) 9.6us(7026us)( 8.6%) 632107 11.9% 88.1% 0% ext3_prepare_write+0xe0

Lockmeter statistics are now RESET
Lockmeter statistics are now ON
___________________________________________________________________________________________
System: Linux TSRLT2 2.4.18 #2 SMP Mon Jun 17 08:28:25 PDT 2002 i686
Total counts
All (2) CPUs

Start time: Mon Jun 17 11:12:36 2002
End time: Mon Jun 17 11:13:07 2002
Delta Time: 30.99 sec.
Hash table slots in use: 314.
Global read lock slots in use: 884.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SPINLOCKS HOLD WAIT
UTIL CON MEAN( MAX ) MEAN( MAX )(% CPU) TOTAL NOWAIT SPIN RJECT NAME

3.7% 0.7us( 44ms) 7.8us( 44ms)(22.9%) 49644038 96.3% 3.7% 0.00% *TOTAL*

0.00% 0% 1.6us( 3.4us) 0us 3 100% 0% 0% [0xdff2bf90]
0.00% 0% 3.4us( 3.4us) 0us 1 100% 0% 0% complete+0x1c
0.00% 0% 1.3us( 1.3us) 0us 1 100% 0% 0% wait_for_completion+0x18
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% wait_for_completion+0x98

0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% [0xdff56694]
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% exec_mmap+0x8c

0.00% 0% 1.2us( 2.0us) 0us 7 100% 0% 0% [0xf410c22c]
0.00% 0% 0.9us( 1.5us) 0us 5 100% 0% 0% unmap_fixup+0x8c
0.00% 0% 1.9us( 2.0us) 0us 2 100% 0% 0% unmap_fixup+0x134

0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% [0xf683bf0c]
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% neigh_destroy+0x108

0.00% 0% 2.5us( 3.9us) 0us 15 100% 0% 0% [0xf6e170d0]
0.00% 0% 2.5us( 3.9us) 0us 15 100% 0% 0% dev_watchdog+0x14

0.00% 0% 0.4us( 0.7us) 0us 2 100% 0% 0% [0xf703f504]
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% skb_recv_datagram+0x90
0.00% 0% 0.7us( 0.7us) 0us 1 100% 0% 0% unix_dgram_sendmsg+0x35c

0.37% 0.31% 2.5us( 12us) 3.9us( 10us)(0.00%) 45356 99.7% 0.31% 0% allocator_request_lock
0.07% 0.49% 1.0us( 7.8us) 3.9us( 10us)(0.00%) 22678 99.5% 0.49% 0% scsi_free+0x1c
0.30% 0.14% 4.1us( 12us) 3.7us( 7.0us)(0.00%) 22678 99.9% 0.14% 0% scsi_malloc+0x48

0.00% 0% 0.1us( 0.6us) 0us 36 100% 0% 0% arbitration_lock
0.00% 0% 0.1us( 0.6us) 0us 30 100% 0% 0% deny_write_access+0xc
0.00% 0% 0.2us( 0.3us) 0us 6 100% 0% 0% get_write_access+0xc

0.00% 0% 0.7us( 2.8us) 0us 1011 100% 0% 0% bdev_lock
0.00% 0% 0.7us( 2.8us) 0us 1011 100% 0% 0% bdget+0x34

0.00% 0% 4.1us( 5.8us) 0us 18 100% 0% 0% call_lock
0.00% 0% 4.1us( 5.8us) 0us 18 100% 0% 0% smp_call_function+0x58

0.00% 0% 0.2us( 0.9us) 0us 6 100% 0% 0% cdev_lock
0.00% 0% 0.2us( 0.9us) 0us 6 100% 0% 0% cdput+0x28

2.9% 0.59% 0.7us( 6.5us) 1.0us( 3.6us)(0.01%) 1256678 99.4% 0.59% 0% contig_page_data+0xa8
0.72% 1.1% 0.4us( 5.8us) 1.0us( 3.4us)(0.01%) 628341 98.9% 1.1% 0% __free_pages_ok+0xc8
2.2% 0.06% 1.1us( 6.5us) 0.9us( 3.6us)(0.00%) 628337 100% 0.06% 0% rmqueue+0x28

0.14% 0.02% 0.1us( 84us) 4.4us( 47us)(0.00%) 325106 100% 0.02% 0% dcache_lock
0.00% 0% 0.1us( 0.6us) 0us 20 100% 0% 0% d_alloc+0x128
0.00% 0% 0.1us( 0.1us) 0us 2 100% 0% 0% d_delete+0x10
0.00% 0% 0.1us( 0.3us) 0us 23 100% 0% 0% d_instantiate+0x1c
0.01% 0.02% 0.4us( 24us) 0.9us( 0.9us)(0.00%) 4375 100% 0.02% 0% d_lookup+0x5c
0.00% 0% 0.2us( 1.2us) 0us 20 100% 0% 0% d_rehash+0x40
0.00% 0% 1.2us( 1.2us) 0us 1 100% 0% 0% do_readv_writev+0x28c
0.00% 0.09% 0.1us( 3.1us) 1.2us( 1.2us)(0.00%) 1069 100% 0.09% 0% dput+0x30
0.00% 0% 2.0us( 3.4us) 0us 10 100% 0% 0% link_path_walk+0x2a8
0.00% 0% 0.2us( 0.7us) 0us 4 100% 0% 0% notify_change+0xec
0.00% 0% 1.1us( 1.9us) 0us 4 100% 0% 0% prune_dcache+0x14
0.00% 0.87% 0.5us( 59us) 0.9us( 1.5us)(0.00%) 3231 99.1% 0.87% 0% prune_dcache+0x138
0.00% 0% 2.3us( 2.3us) 0us 1 100% 0% 0% sys_getcwd+0xc8
0.00% 0.30% 0.2us( 1.4us) 0.6us( 0.6us)(0.00%) 334 99.7% 0.30% 0% sys_read+0xac
0.13% 0.01% 0.1us( 84us) 8.0us( 47us)(0.00%) 316012 100% 0.01% 0% sys_write+0xac

0.20% 0.10% 1.3us( 41us) 1.7us( 6.1us)(0.00%) 47856 99.9% 0.10% 0% device_request_lock
0.01% 0.15% 0.1us( 1.6us) 2.0us( 6.1us)(0.00%) 23928 99.8% 0.15% 0% __scsi_release_command+0x14
0.19% 0.05% 2.4us( 41us) 1.0us( 1.7us)(0.00%) 23928 100% 0.05% 0% scsi_allocate_device+0x30

0.00% 0% 0.2us( 2.5us) 0us 642 100% 0% 0% files_lock
0.00% 0% 0.1us( 1.1us) 0us 200 100% 0% 0% file_move+0x18
0.00% 0% 0.1us( 0.8us) 0us 201 100% 0% 0% fput+0x80
0.00% 0% 0.3us( 2.5us) 0us 203 100% 0% 0% get_empty_filp+0xc
0.00% 0% 0.7us( 1.4us) 0us 37 100% 0% 0% get_empty_filp+0xdc
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% put_filp+0x18

2.9% 8.9% 32us(1727us) 0us 27945 91.1% 0% 8.9% global_bh_lock
2.9% 8.9% 32us(1727us) 0us 27945 91.1% 0% 8.9% bh_action+0x18

0.05% 0% 5.2us( 7.8us) 0us 3099 100% 0% 0% i8253_lock
0.05% 0% 5.2us( 7.8us) 0us 3099 100% 0% 0% timer_interrupt+0x2c

0.01% 0% 1.2us( 2.5us) 0us 3099 100% 0% 0% i8259A_lock
0.01% 0% 1.2us( 2.5us) 0us 3099 100% 0% 0% timer_interrupt+0x90

0.00% 0% 0.4us( 0.4us) 0us 1 100% 0% 0% inet_peer_unused_lock
0.00% 0% 0.4us( 0.4us) 0us 1 100% 0% 0% cleanup_once+0x24

0.00% 0% 0.1us( 1.2us) 0us 34 100% 0% 0% init_mm+0x2c
0.00% 0% 0.9us( 1.2us) 0us 2 100% 0% 0% __vmalloc+0x70
0.00% 0% 0.1us( 0.3us) 0us 32 100% 0% 0% __vmalloc+0x120

0.00% 0% 0.5us( 295us) 0us 2768 100% 0% 0% inode_lock
0.00% 0% 0.4us( 1.9us) 0us 309 100% 0% 0% __mark_inode_dirty+0x48
0.00% 0% 0.8us( 1.0us) 0us 4 100% 0% 0% get_empty_inode+0x24
0.00% 0% 0.7us( 1.3us) 0us 12 100% 0% 0% get_new_inode+0x34
0.00% 0% 1.3us( 2.0us) 0us 12 100% 0% 0% iget4+0x3c
0.00% 0% 0.5us( 0.5us) 0us 2 100% 0% 0% insert_inode_hash+0x44
0.00% 0% 0.1us( 2.1us) 0us 2138 100% 0% 0% iput+0x68
0.00% 0% 182us( 295us) 0us 4 100% 0% 0% prune_icache+0x1c
0.00% 0% 5.8us( 8.0us) 0us 6 100% 0% 0% sync_unlocked_inodes+0x10
0.00% 0% 1.1us( 42us) 0us 281 100% 0% 0% sync_unlocked_inodes+0x10c

2.0% 2.6% 0.8us( 103us) 2.6us( 29us)(0.08%) 788392 97.4% 2.6% 0% io_request_lock
0.00% 6.5% 0.6us( 2.0us) 4.6us( 13us)(0.00%) 262 93.5% 6.5% 0% __get_request_wait+0x90
1.1% 2.0% 0.5us( 46us) 3.0us( 29us)(0.06%) 666006 98.0% 2.0% 0% __make_request+0xc0
0.19% 4.4% 2.4us( 36us) 2.8us( 22us)(0.00%) 23953 95.6% 4.4% 0% ahc_linux_isr+0x2ec
0.03% 9.6% 4.6us( 46us) 1.6us( 15us)(0.00%) 2319 90.4% 9.6% 0% generic_unplug_device+0x10
0.31% 8.9% 4.0us( 103us) 1.5us( 27us)(0.01%) 24068 91.1% 8.9% 0% scsi_dispatch_cmd+0x11c
0.02% 3.9% 0.3us( 1.9us) 2.3us( 20us)(0.00%) 23928 96.1% 3.9% 0% scsi_finish_command+0x18
0.17% 3.0% 2.2us( 36us) 2.2us( 15us)(0.00%) 23928 97.0% 3.0% 0% scsi_queue_next_request+0x18
0.16% 7.0% 2.0us( 37us) 1.4us( 11us)(0.00%) 23928 93.0% 7.0% 0% scsi_request_fn+0x31c

0.51% 0% 0.1us( 147us) 0us 1300436 100% 0% 0% jh_splice_lock
0.27% 0% 0.1us( 59us) 0us 665500 100% 0% 0% __journal_remove_journal_head+0xe8
0.24% 0% 0.1us( 147us) 0us 634936 100% 0% 0% journal_add_journal_head+0xd0

12.8% 0.49% 0.1us( 15ms) 1.3us( 15ms)(0.33%) 33219940 99.5% 0.49% 0% journal_datalist_lock
0.00% 0% 2.3us( 2.3us) 0us 1 100% 0% 0% dispose_buffer+0x18
0.00% 2.7% 1.1us( 7.8us) 0.7us( 1.0us)(0.00%) 828 97.3% 2.7% 0% do_get_write_access+0x9c
1.6% 0.25% 0.1us( 163us) 1.0us( 84us)(0.03%) 8220760 99.8% 0.25% 0% do_get_write_access+0x204
2.0% 0.40% 0.1us( 208us) 0.9us( 182us)(0.05%) 8855491 99.6% 0.40% 0% journal_add_journal_head+0x10
0.62% 0.49% 0.3us( 158us) 0.8us( 6.0us)(0.00%) 634936 99.5% 0.49% 0% journal_add_journal_head+0x88
0.01% 0% 25us(1934us) 0us 179 100% 0% 0% journal_commit_transaction+0x1bc
3.0% 0.53% 2460us( 15ms) 1.0us( 1.2us)(0.00%) 377 99.5% 0.53% 0% journal_commit_transaction+0x258
0.08% 0% 23us( 369us) 0us 1111 100% 0% 0% journal_commit_transaction+0x3c0
0.01% 0.73% 1.4us( 50us) 1.0us( 1.4us)(0.00%) 1786 99.3% 0.73% 0% journal_commit_transaction+0xd5c
0.00% 1.1% 0.2us( 0.8us) 1.1us( 1.3us)(0.00%) 179 98.9% 1.1% 0% journal_commit_transaction+0xee4
0.45% 0.44% 0.2us( 111us) 1.0us( 2.8us)(0.00%) 632107 99.6% 0.44% 0% journal_dirty_data+0x54
2.7% 0.28% 0.2us( 578us) 0.9us( 50us)(0.02%) 5376063 99.7% 0.28% 0% journal_dirty_metadata+0x54
0.01% 0.70% 0.4us( 19us) 1.0us( 2.9us)(0.00%) 5537 99.3% 0.70% 0% journal_file_buffer+0x18
0.00% 0% 2.2us( 20us) 0us 619 100% 0% 0% journal_get_create_access+0x130
0.60% 9.4% 0.3us( 106us) 1.8us( 15ms)(0.18%) 632510 90.6% 9.4% 0% journal_try_to_free_buffers+0x4c
0.00% 0.36% 0.2us( 2.4us) 0.8us( 1.1us)(0.00%) 1965 99.6% 0.36% 0% journal_unfile_buffer+0xc
1.7% 0.28% 0.1us( 320us) 1.0us( 263us)(0.04%) 8855491 99.7% 0.28% 0% journal_unlock_journal_head+0xc
0.01% 0% 21us( 41us) 0us 176 100% 0% 0% kbd_controller_lock
0.01% 0% 21us( 41us) 0us 176 100% 0% 0% keyboard_interrupt+0x14

64.2% 46.6% 7.0us( 44ms) 10us( 13ms)(21.4%) 2845886 53.4% 46.6% 0% kernel_flag
0.00% 0% 1.3us( 1.3us) 0us 1 100% 0% 0% chrdev_open+0x4c
0.00% 57.1% 0.4us( 0.5us) 8.6us( 20us)(0.00%) 7 42.9% 57.1% 0% de_put+0x28
0.00% 20.0% 89us( 142us) 4.2us( 4.2us)(0.00%) 5 80.0% 20.0% 0% do_exit+0xd8
26.6% 71.2% 13us( 44ms) 8.0us(8076us)( 5.8%) 632107 28.8% 71.2% 0% ext3_commit_write+0x38
0.00% 0% 43us( 43us) 0us 1 100% 0% 0% ext3_delete_inode+0x48
4.4% 30.3% 4.3us( 360us) 13us(7511us)( 2.1%) 316124 69.7% 30.3% 0% ext3_dirty_inode+0x2c
0.00% 0% 2.2us( 2.2us) 0us 1 100% 0% 0% ext3_force_commit+0x38
28.1% 7.9% 14us(1660us) 9.7us(6842us)(0.78%) 632239 92.1% 7.9% 0% ext3_get_block_handle+0x8c
1.2% 27.2% 0.6us( 240us) 11us(6604us)( 3.0%) 632107 72.8% 27.2% 0% ext3_prepare_write+0x34
0.26% 88.1% 0.1us( 74us) 9.6us(7026us)( 8.6%) 632107 11.9% 88.1% 0% ext3_prepare_write+0xe0
0.00% 0% 5.1us( 5.1us) 0us 1 100% 0% 0% get_chrfops+0x88
0.00% 100% 0.8us( 0.8us) 33us( 33us)(0.00%) 1 0% 100% 0% locks_remove_posix+0x3c
0.00% 0% 137us( 221us) 0us 2 100% 0% 0% lookup_hash+0x7c
0.00% 25.0% 17us( 49us) 27us( 27us)(0.00%) 4 75.0% 25.0% 0% notify_change+0x50
0.00% 50.0% 40us( 121us) 5.6us( 9.4us)(0.00%) 16 50.0% 50.0% 0% real_lookup+0x64
3.7% 58.4% 1007us( 15ms) 1062us( 13ms)( 1.1%) 1136 41.6% 58.4% 0% schedule+0x508
0.00% 83.3% 181us( 284us) 17us( 57us)(0.00%) 6 16.7% 83.3% 0% sync_old_buffers+0x1c
0.00% 0% 3.2us( 4.2us) 0us 3 100% 0% 0% sys_ioctl+0x4c
0.00% 50.0% 1.3us( 2.1us) 33us( 105us)(0.00%) 8 50.0% 50.0% 0% sys_llseek+0x88
0.00% 0% 0.8us( 0.8us) 0us 1 100% 0% 0% sys_lseek+0x70
0.00% 50.0% 7.5us( 9.1us) 13us( 13us)(0.00%) 2 50.0% 50.0% 0% sys_sysctl+0x70
0.00% 0% 115us( 172us) 0us 2 100% 0% 0% vfs_create+0x84
0.00% 0% 13us( 13us) 0us 1 100% 0% 0% vfs_link+0xa4
0.00% 0% 12us( 24us) 0us 2 100% 0% 0% vfs_readdir+0x68
0.00% 0% 15us( 16us) 0us 2 100% 0% 0% vfs_unlink+0x108

0.00% 0% 0.6us( 0.9us) 0us 5 100% 0% 0% lastpid_lock
0.00% 0% 0.6us( 0.9us) 0us 5 100% 0% 0% get_pid+0x20

0.00% 0% 0.5us( 1.3us) 0us 176 100% 0% 0% logbuf_lock
0.00% 0% 0.5us( 1.3us) 0us 176 100% 0% 0% release_console_sem+0x1c

7.5% 0.74% 0.9us( 44ms) 14us( 44ms)(0.46%) 2683880 99.3% 0.74% 0% lru_list_lock
1.2% 1.5% 7.1us( 499us) 2.5us( 134us)(0.00%) 50765 98.5% 1.5% 0% balance_dirty+0x18
0.06% 16.8% 24us( 121us) 12us( 91us)(0.00%) 792 83.2% 16.8% 0% bdflush+0x98
0.54% 0% 28ms( 44ms) 0us 6 100% 0% 0% bdflush+0xb8
0.14% 0.42% 0.1us( 85us) 2.0us( 19us)(0.01%) 632101 99.6% 0.42% 0% buffer_insert_inode_data_queue+0x10
0.00% 100% 0.4us( 0.4us) 11us( 11us)(0.00%) 1 0% 100% 0% fsync_inode_buffers+0x28
0.00% 0% 0.7us( 0.7us) 0us 1 100% 0% 0% fsync_inode_data_buffers+0x28
0.00% 0% 0.6us( 0.6us) 0us 1 100% 0% 0% fsync_inode_data_buffers+0xb4
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% fsync_inode_data_buffers+0x128
0.00% 3.8% 0.1us( 0.7us) 1.4us( 3.5us)(0.00%) 1760 96.2% 3.8% 0% inode_has_buffers+0x10
0.00% 1.1% 0.1us( 0.7us) 1.1us( 1.9us)(0.00%) 877 98.9% 1.1% 0% invalidate_inode_buffers+0x10
0.19% 0% 9733us( 17ms) 0us 6 100% 0% 0% kupdate+0x98
0.00% 0% 1.0us( 1.0us) 0us 1 100% 0% 0% osync_inode_buffers+0x14
0.00% 0% 0.8us( 0.8us) 0us 1 100% 0% 0% osync_inode_data_buffers+0x14
1.2% 0.29% 0.3us( 192us) 45us( 44ms)(0.29%) 1363983 99.7% 0.29% 0% refile_buffer+0xc
0.00% 0% 0.5us( 0.8us) 0us 6 100% 0% 0% sync_old_buffers+0x64
4.2% 1.9% 2.1us( 384us) 7.7us( 29ms)(0.15%) 633578 98.1% 1.9% 0% try_to_free_buffers+0x1c

0.00% 0% 0.5us( 1.9us) 0us 55 100% 0% 0% mmlist_lock
0.00% 0% 0.1us( 0.1us) 0us 4 100% 0% 0% copy_mm+0x120
0.00% 0% 0.5us( 0.5us) 0us 1 100% 0% 0% exec_mmap+0x50
0.00% 0% 0.4us( 0.6us) 0us 5 100% 0% 0% mmput+0x28
0.00% 0% 0.6us( 1.9us) 0us 45 100% 0% 0% swap_out+0x50

0.00% 0% 0.3us( 1.7us) 0us 223 100% 0% 0% page_uptodate_lock.0
0.00% 0% 0.3us( 1.7us) 0us 223 100% 0% 0% end_buffer_io_async+0x38

5.7% 0.86% 0.9us( 278us) 1.6us( 240us)(0.04%) 1901672 99.1% 0.86% 0% pagecache_lock
0.00% 2.5% 0.5us( 2.4us) 1.2us( 2.4us)(0.00%) 1028 97.5% 2.5% 0% __find_get_page+0x18
2.6% 0.35% 1.3us( 278us) 4.7us( 240us)(0.02%) 632107 99.7% 0.35% 0% __find_lock_page+0xc
1.6% 1.1% 0.8us( 196us) 1.0us( 158us)(0.01%) 632348 98.9% 1.1% 0% add_to_page_cache_unique+0x18
0.00% 0.29% 0.6us( 3.5us) 1.4us( 1.4us)(0.00%) 349 99.7% 0.29% 0% do_generic_file_read+0x1a4
0.00% 0% 1.1us( 1.5us) 0us 2 100% 0% 0% do_generic_file_read+0x370
0.00% 0% 0.1us( 0.9us) 0us 282 100% 0% 0% filemap_fdatasync+0x20
0.00% 0.35% 0.1us( 1.1us) 2.0us( 2.0us)(0.00%) 282 99.6% 0.35% 0% filemap_fdatawait+0x14
0.00% 0.69% 0.8us( 54us) 1.0us( 2.0us)(0.00%) 1011 99.3% 0.69% 0% find_or_create_page+0x38
0.00% 0.49% 0.7us( 2.4us) 1.0us( 1.4us)(0.00%) 1011 99.5% 0.49% 0% find_or_create_page+0x78
0.00% 0.68% 0.1us( 1.2us) 0.8us( 0.8us)(0.00%) 146 99.3% 0.68% 0% page_cache_read+0x48
0.00% 0% 0.3us( 0.3us) 0us 1 100% 0% 0% remove_inode_page+0x18
0.00% 4.5% 0.1us( 0.9us) 1.4us( 1.5us)(0.00%) 111 95.5% 4.5% 0% set_page_dirty+0x24
1.5% 1.1% 0.7us( 163us) 1.1us( 69us)(0.01%) 632992 98.9% 1.1% 0% shrink_cache+0x2c0
0.00% 0% 0.9us( 0.9us) 0us 1 100% 0% 0% truncate_inode_pages+0x38
0.00% 0% 0.2us( 0.2us) 0us 1 100% 0% 0% truncate_list_pages+0x158

6.3% 20.8% 1.5us( 956us) 1.2us( 953us)(0.54%) 1310161 79.2% 20.8% 0% pagemap_lru_lock
0.00% 2.3% 0.7us( 71us) 1.0us( 2.2us)(0.00%) 1688 97.7% 2.3% 0% activate_page+0xc
0.69% 2.6% 0.3us( 166us) 1.5us( 254us)(0.04%) 634142 97.4% 2.6% 0% lru_cache_add+0x1c
0.00% 0.70% 0.5us( 135us) 1.0us( 1.2us)(0.00%) 714 99.3% 0.70% 0% lru_cache_del+0xc
0.03% 12.7% 0.4us( 30us) 1.7us( 79us)(0.01%) 19785 87.3% 12.7% 0% refill_inactive+0x10
0.11% 11.6% 1.8us( 71us) 2.3us( 122us)(0.01%) 19785 88.4% 11.6% 0% shrink_cache+0x50
0.00% 1.6% 1.0us( 26us) 1.5us( 1.9us)(0.00%) 385 98.4% 1.6% 0% shrink_cache+0x194
0.00% 0% 1.2us( 13us) 0us 85 100% 0% 0% shrink_cache+0x21c
5.5% 39.8% 2.7us( 956us) 1.2us( 953us)(0.48%) 632981 60.2% 39.8% 0% shrink_cache+0x290
0.00% 18.0% 1.0us( 14us) 1.1us( 4.0us)(0.00%) 596 82.0% 18.0% 0% shrink_cache+0x2b0

0.45% 1.8% 3.8us( 21us) 3.3us( 11us)(0.00%) 36592 98.2% 1.8% 0% runqueue_lock
0.09% 4.6% 3.2us( 11us) 3.5us( 8.7us)(0.00%) 9263 95.4% 4.6% 0% __wake_up+0x5c
0.00% 0% 0.7us( 0.7us) 0us 1 100% 0% 0% complete+0x6c
0.00% 0% 0.3us( 0.7us) 0us 3 100% 0% 0% deliver_signal+0x48
0.00% 0% 3.0us( 9.8us) 0us 20 100% 0% 0% process_timeout+0x14
0.00% 0% 3.6us( 3.6us) 0us 1 100% 0% 0% schedule_tail+0x58
0.31% 0.35% 5.4us( 21us) 4.7us( 11us)(0.00%) 18215 99.7% 0.35% 0% schedule+0xa0
0.00% 0% 1.6us( 4.6us) 0us 43 100% 0% 0% schedule+0x264
0.04% 2.2% 1.5us( 8.3us) 2.1us( 7.1us)(0.00%) 8325 97.8% 2.2% 0% schedule+0x4c8
0.00% 0% 0.8us( 8.4us) 0us 721 100% 0% 0% wake_up_process+0x14

0.00% 0% 0.4us( 5.9us) 0us 496 100% 0% 0% sb_lock
0.00% 0% 0.1us( 0.1us) 0us 168 100% 0% 0% drop_super+0x24
0.00% 0% 0.5us( 4.4us) 0us 174 100% 0% 0% sync_supers+0x6c
0.00% 0% 4.0us( 5.9us) 0us 6 100% 0% 0% sync_unlocked_inodes+0x18
0.00% 0% 0.4us( 1.3us) 0us 148 100% 0% 0% sync_unlocked_inodes+0x18c

0.03% 0.06% 0.1us( 1.9us) 1.2us( 2.1us)(0.00%) 68015 100% 0.06% 0% scsi_bhqueue_lock
0.01% 0.07% 0.1us( 1.2us) 1.3us( 2.1us)(0.00%) 43947 100% 0.07% 0% scsi_bottom_half_handler+0x1c
0.02% 0.04% 0.2us( 1.9us) 0.9us( 1.5us)(0.00%) 24068 100% 0.04% 0% scsi_done+0x3c

0.00% 0% 0.4us( 2.1us) 0us 2366 100% 0% 0% semaphore_lock
0.00% 0% 0.4us( 1.9us) 0us 1483 100% 0% 0% __down+0x44
0.00% 0% 0.5us( 2.1us) 0us 715 100% 0% 0% __down+0x78
0.00% 0% 0.3us( 0.3us) 0us 168 100% 0% 0% __down_trylock+0x10

0.00% 0% 0.1us( 6.3us) 0us 416 100% 0% 0% swap_info+0x8
0.00% 0% 0.2us( 6.3us) 0us 111 100% 0% 0% get_swap_page+0x74
0.00% 0% 0.1us( 1.3us) 0us 123 100% 0% 0% swap_duplicate+0x54
0.00% 0% 0.1us( 0.8us) 0us 182 100% 0% 0% swap_info_get+0xb4

0.00% 0% 0.4us( 9.0us) 0us 294 100% 0% 0% swaplock
0.00% 0% 0.4us( 9.0us) 0us 111 100% 0% 0% get_swap_page+0x20
0.00% 0% 1.7us( 1.7us) 0us 1 100% 0% 0% si_swapinfo+0x18
0.00% 0% 0.4us( 2.3us) 0us 182 100% 0% 0% swap_info_get+0x88

0.04% 0.07% 0.2us( 15us) 1.5us( 7.8us)(0.00%) 52142 100% 0.07% 0% timerlist_lock
0.01% 0.07% 0.2us( 2.9us) 1.3us( 3.1us)(0.00%) 24279 100% 0.07% 0% add_timer+0x10
0.01% 0.07% 0.1us( 1.4us) 1.6us( 7.8us)(0.00%) 24423 100% 0.07% 0% del_timer+0x14
0.00% 0% 0.3us( 0.7us) 0us 27 100% 0% 0% del_timer_sync+0x1c
0.00% 0% 0.8us( 1.7us) 0us 197 100% 0% 0% mod_timer+0x18
0.02% 0% 1.5us( 15us) 0us 3099 100% 0% 0% timer_bh+0xcc
0.00% 0% 0.2us( 0.9us) 0us 117 100% 0% 0% timer_bh+0x254

0.00% 0.02% 0.1us( 0.9us) 1.4us( 1.4us)(0.00%) 5566 100% 0.02% 0% tqueue_lock
0.00% 0% 0.1us( 0.8us) 0us 2259 100% 0% 0% __run_task_queue+0x14
0.00% 0% 0.1us( 0.8us) 0us 1067 100% 0% 0% batch_entropy_store+0x7c
0.00% 0.05% 0.1us( 0.6us) 1.4us( 1.4us)(0.00%) 2064 100% 0.05% 0% generic_plug_device+0x34
0.00% 0% 0.2us( 0.9us) 0us 176 100% 0% 0% schedule_task+0x28

0.00% 0% 0.9us( 1.6us) 0us 3 100% 0% 0% uidhash_lock
0.00% 0% 1.6us( 1.6us) 0us 1 100% 0% 0% alloc_uid+0x10
0.00% 0% 0.1us( 0.1us) 0us 1 100% 0% 0% alloc_uid+0x94
0.00% 0% 1.0us( 1.0us) 0us 1 100% 0% 0% free_uid+0x28

1.5% 0.12% 0.4us( 192us) 2.0us( 147us)(0.00%) 1269889 99.9% 0.12% 0% unused_list_lock
0.37% 0.19% 0.2us( 192us) 2.0us( 142us)(0.00%) 635121 99.8% 0.19% 0% get_unused_buffer_head+0x8
0.00% 0.22% 0.1us( 1.3us) 1.0us( 2.4us)(0.00%) 1786 99.8% 0.22% 0% put_unused_buffer_head+0xc
1.2% 0.05% 0.6us( 157us) 2.0us( 147us)(0.00%) 632982 100% 0.05% 0% try_to_free_buffers+0x54

0.00% 0% 0.3us( 1.1us) 0us 8 100% 0% 0% __kmem_cache_shrink+0x18
0.00% 0% 0.1us( 0.3us) 0us 142 100% 0% 0% __kmem_cache_shrink+0x48
0.71% 0.01% 0.1us( 34us) 1.8us( 8.9us)(0.00%) 2045139 100% 0.01% 0% __wake_up+0x24
0.00% 0% 0.1us( 0.6us) 0us 8216 100% 0% 0% add_wait_queue+0x10
0.00% 6.8% 0.1us( 1.3us) 2.9us( 8.4us)(0.00%) 1490 93.2% 6.8% 0% add_wait_queue_exclusive+0x10
0.50% 0.08% 4.3us( 124us) 2.8us( 10us)(0.00%) 35856 100% 0.08% 0% ahc_linux_isr+0x24
0.28% 0.21% 3.6us( 34us) 6.4us( 93us)(0.00%) 24068 99.8% 0.21% 0% ahc_linux_queue+0x34
0.00% 0% 0.7us( 1.6us) 0us 24 100% 0% 0% change_protection+0x34
0.00% 0% 11us( 15us) 0us 9 100% 0% 0% clear_page_tables+0x1c
0.00% 0% 0.1us( 0.4us) 0us 63 100% 0% 0% copy_mm+0x1e8
0.00% 0% 2.8us( 48us) 0us 84 100% 0% 0% copy_mm+0x230
0.00% 0% 3.9us( 48us) 0us 84 100% 0% 0% copy_page_range+0x100
0.02% 0% 0.3us( 2.2us) 0us 27234 100% 0% 0% do_IRQ+0x40
0.02% 0% 0.3us( 2.4us) 0us 27234 100% 0% 0% do_IRQ+0xc0
0.00% 0% 0.9us( 5.2us) 0us 617 100% 0% 0% do_anonymous_page+0x5c
0.00% 0% 0.4us( 0.9us) 0us 5 100% 0% 0% do_brk+0x1d4
0.00% 0% 0.1us( 0.1us) 0us 5 100% 0% 0% do_exit+0x124
0.00% 0% 0.1us( 0.3us) 0us 5 100% 0% 0% do_exit+0x84
0.00% 0% 0.1us( 0.1us) 0us 5 100% 0% 0% do_exit+0xf4
0.00% 0% 0.6us( 2.7us) 0us 86 100% 0% 0% do_mmap_pgoff+0x40c
0.00% 0% 0.5us( 3.8us) 0us 168 100% 0% 0% do_mmap_pgoff+0x418
0.00% 0% 0.1us( 0.8us) 0us 38 100% 0% 0% do_munmap+0x1b8
0.00% 0% 0.6us( 5.4us) 0us 114 100% 0% 0% do_munmap+0xe0
0.00% 0% 0.1us( 1.3us) 0us 1025 100% 0% 0% do_no_page+0xdc
0.00% 0% 0.3us( 1.0us) 0us 14 100% 0% 0% do_page_fault+0xe0
0.00% 0% 0.4us( 4.9us) 0us 114 100% 0% 0% do_sigaction+0x58
0.00% 0% 0.6us( 1.5us) 0us 9 100% 0% 0% do_sigaction+0xd8
0.00% 0% 2.6us( 6.2us) 0us 7 100% 0% 0% do_signal+0x54
0.00% 0% 1.1us( 4.2us) 0us 205 100% 0% 0% do_wp_page+0x118
0.00% 0% 0.1us( 0.1us) 0us 9 100% 0% 0% exit_mmap+0x18
0.00% 0% 0.1us( 0.7us) 0us 143 100% 0% 0% exit_mmap+0x88
0.00% 0% 1.7us( 2.8us) 0us 5 100% 0% 0% exit_sighand+0x18
0.13% 0.02% 7.9us( 30us) 1.2us( 1.2us)(0.00%) 5232 100% 0.02% 0% free_block+0x1c
0.00% 0% 0.3us( 17us) 0us 2025 100% 0% 0% handle_mm_fault+0x34
0.00% 0% 0.4us( 0.7us) 0us 5 100% 0% 0% handle_signal+0xb0
0.00% 0% 1.7us( 3.3us) 0us 5 100% 0% 0% insert_vm_struct+0x60
0.00% 0% 0.1us( 0.3us) 0us 182 100% 0% 0% interruptible_sleep_on+0x28
0.00% 0% 0.1us( 0.2us) 0us 182 100% 0% 0% interruptible_sleep_on+0x54
0.19% 0.02% 2.9us( 51us) 2.1us( 2.4us)(0.00%) 19844 100% 0.02% 0% kmem_cache_alloc_batch+0x18
0.00% 0% 0.1us( 1.3us) 0us 6765 100% 0% 0% kmem_cache_grow+0x1d4
0.01% 0.01% 0.3us( 1.5us) 1.5us( 1.5us)(0.00%) 6765 100% 0.01% 0% kmem_cache_grow+0x80
0.00% 0% 0.1us( 0.6us) 0us 160 100% 0% 0% kmem_cache_reap+0x25c
0.00% 0.07% 0.1us( 0.6us) 10us( 15us)(0.00%) 7063 100% 0.07% 0% kmem_cache_reap+0x2c4
0.72% 0.00% 1.2us( 327us) 3.0us( 6.9us)(0.00%) 194356 100% 0.00% 0% kmem_cache_reap+0xa4
0.00% 0% 1.0us( 2.0us) 0us 24 100% 0% 0% mprotect_fixup+0x2a8
0.00% 0% 0.7us( 1.5us) 0us 24 100% 0% 0% mprotect_fixup+0x2b4
0.00% 0% 5.0us( 41us) 0us 27 100% 0% 0% pte_alloc+0x88
0.00% 0% 0.3us( 0.8us) 0us 5 100% 0% 0% put_dirty_page+0x3c
0.00% 0% 0.1us( 0.4us) 0us 5 100% 0% 0% release_task+0x3c
0.00% 2.9% 0.1us( 1.2us) 3.5us( 9.2us)(0.00%) 9706 97.1% 2.9% 0% remove_wait_queue+0x10
0.07% 0% 1.1us( 263us) 0us 18189 100% 0% 0% schedule+0x478
0.00% 0% 1.7us( 7.4us) 0us 5 100% 0% 0% schedule_tail+0x20
0.00% 0% 13us( 31us) 0us 6 100% 0% 0% send_sig_info+0x4c
0.00% 0% 0.1us( 0.4us) 0us 40 100% 0% 0% sleep_on+0x28
0.00% 0% 0.1us( 0.8us) 0us 40 100% 0% 0% sleep_on+0x54
0.01% 0% 57us( 546us) 0us 45 100% 0% 0% swap_out+0xc8
0.00% 0% 0.1us( 0.1us) 0us 9 100% 0% 0% sys_rt_sigprocmask+0x18c
0.00% 0% 0.3us( 1.8us) 0us 69 100% 0% 0% sys_rt_sigprocmask+0x98
0.00% 0% 0.4us( 0.7us) 0us 5 100% 0% 0% sys_sigreturn+0x84
0.00% 0% 1.1us( 1.7us) 0us 8 100% 0% 0% unmap_fixup+0xa8
0.00% 0% 0.6us( 1.0us) 0us 8 100% 0% 0% unmap_fixup+0xb8
0.00% 0% 0.1us( 4.1us) 0us 249 100% 0% 0% vma_merge+0x54
0.01% 0% 5.9us( 398us) 0us 300 100% 0% 0% zap_page_range+0x48

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
RWLOCK READS HOLD MAX RDR BUSY PERIOD WAIT
UTIL CON MEAN RDRS MEAN( MAX ) MEAN( MAX )( %CPU) TOTAL NOWAIT SPIN NAME

0.68% 2.1us( 229us)(0.11%) 5063033 99.3% 0.68% *TOTAL*

0.00% 0% 3.9us 1 3.9us( 19us) 0us 3 100% 0% [0xe6f1b044]
0% 0us 3 100% 0% copy_files+0x158

0.00% 0% 0.2us 1 0.2us( 5.8us) 0us 1 100% 0% [0xf417a044]
0% 0us 1 100% 0% do_fcntl+0x104

0.00% 0% 1.2us 1 1.2us( 1.2us) 0us 1 100% 0% [0xf703f224]
0% 0us 1 100% 0% unix_write_space+0x14

0.00% 0% 1.3us 1 1.3us( 1.3us) 0us 1 100% 0% [0xf703f448]
0% 0us 1 100% 0% unix_dgram_sendmsg+0x80

0.00% 0% 10.1us 1 10us( 10us) 0us 1 100% 0% [0xf703f564]
0% 0us 1 100% 0% sock_def_readable+0x14

0.00% 0% 4.5us 1 4.5us( 4.5us) 0us 1 100% 0% [0xf703f788]
0% 0us 1 100% 0% unix_dgram_sendmsg+0x21c

0.00% 0% 0.2us 1 0.2us( 3.3us) 0us 1 100% 0% [0xf7658d24]
0% 0us 1 100% 0% sys_getcwd+0x38

0.00% 0% 0.7us 1 0.7us( 0.9us) 0us 2 100% 0% arp_tbl+0xc4
0% 0us 2 100% 0% neigh_lookup+0x40

0.00% 0% 0.9us 1 0.9us( 1.3us) 0us 5 100% 0% binfmt_lock
0% 0us 5 100% 0% search_binary_handler+0x38

0.00% 0% 1.3us 1 1.3us( 1.3us) 0us 1 100% 0% chrdevs_lock
0% 0us 1 100% 0% get_chrfops+0x28

0.00% 0% 3.4us 1 3.4us( 4.2us) 0us 4 100% 0% fib_hash_lock
0% 0us 4 100% 0% fn_hash_lookup+0x10

2.9% 0.72% 0.2us 2 0.2us( 288us) 2.1us( 229us)(0.11%) 4745142 99.3% 0.72% hash_table_lock
0.72% 2.1us( 229us)(0.11%) 4745142 99.3% 0.72% get_hash_table+0x60

0.00% 0% 0.8us 1 0.8us( 1.4us) 0us 4 100% 0% inetdev_lock
0% 0us 2 100% 0% arp_rcv+0x28
0% 0us 2 100% 0% ip_route_input_slow+0x18

0.01% 0% 28.0us 2 28us( 80us) 0us 69 100% 0% tasklist_lock
0% 0us 6 100% 0% count_active_tasks+0xc
0% 0us 5 100% 0% exit_notify+0x18
0% 0us 43 100% 0% schedule+0x218
0% 0us 1 100% 0% sys_setsid+0x10
0% 0us 14 100% 0% sys_wait4+0x8c

0.00% 0% 2.1us 1 2.1us( 3.2us) 0us 3 100% 0% udp_hash_lock
0% 0us 3 100% 0% udp_v4_mcast_deliver+0x10

0.00% 0% 0.6us 1 0.6us( 1.4us) 0us 36 100% 0% xtime_lock
0% 0us 36 100% 0% do_gettimeofday+0x14

0% 0us 5 100% 0% copy_files+0x100
0% 0us 5 100% 0% do_fork+0x35c
0% 0us 14 100% 0% do_select+0x24
0% 0us 316664 100% 0% fget+0x1c
0% 0us 5 100% 0% ip_route_input+0x88
0% 0us 5 100% 0% net_rx_action+0x48
0% 0us 4 100% 0% path_init+0x114
0% 0us 1056 100% 0% path_init+0x30

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
RWLOCK WRITES HOLD WAIT (ALL) WAIT (WW)
UTIL CON MEAN( MAX ) MEAN( MAX )( %CPU) MEAN( MAX ) TOTAL NOWAIT SPIN( WW ) NAME

4.9% 1.4us( 217us) 1.2us( 218us)(0.06%) 0.3us( 34us) 643483 95.1% 3.5%( 1.4%) *TOTAL*

0.00% 0% 0.6us( 1.3us) 0us 0us 6 100% 0%( 0%) [0xe6f1b204]
0.00% 0% 0.5us( 1.3us) 0us 0us 3 100% 0%( 0%) copy_files+0x12c
0.00% 0% 0.6us( 0.7us) 0us 0us 3 100% 0%( 0%) expand_fd_array+0x88

0.00% 0% 4.4us( 21us) 0us 0us 5 100% 0%( 0%) [0xf417a044]
0.00% 0% 0.1us( 0.1us) 0us 0us 2 100% 0%( 0%) do_fcntl+0x140
0.00% 0% 7.3us( 21us) 0us 0us 3 100% 0%( 0%) sys_dup2+0x2c

0.00% 0% 0.1us( 0.1us) 0us 0us 4 100% 0%( 0%) [0xf50ce044]
0.00% 0% 0.1us( 0.1us) 0us 0us 2 100% 0%( 0%) do_pipe+0x174
0.00% 0% 0.1us( 0.1us) 0us 0us 2 100% 0%( 0%) do_pipe+0x1a4

0.00% 0% 0.7us( 0.7us) 0us 0us 1 100% 0%( 0%) [0xf7658d24]
0.00% 0% 0.7us( 0.7us) 0us 0us 1 100% 0%( 0%) sys_chdir+0x9c

0.00% 0% 0.1us( 0.1us) 0us 0us 1 100% 0%( 0%) [0xf7df24f4]
0.00% 0% 0.1us( 0.1us) 0us 0us 1 100% 0%( 0%) neigh_destroy+0x8c

0.00% 0% 104us( 104us) 0us 0us 1 100% 0%( 0%) arp_tbl+0xc4
0.00% 0% 104us( 104us) 0us 0us 1 100% 0%( 0%) neigh_periodic_timer__thr+0x20

0.00% 0% 0.5us( 0.6us) 0us 0us 2 100% 0%( 0%) dn_lock
0.00% 0% 0.5us( 0.6us) 0us 0us 2 100% 0%( 0%) fcntl_dirnotify+0x94

2.9% 5.0% 1.4us( 217us) 1.2us( 218us)(0.06%) 0.3us( 34us) 634589 95.0% 3.6%( 1.4%) hash_table_lock
0.00% 0.59% 1.3us( 30us) 17us( 34us)(0.00%) 8.8us( 34us) 1011 99.4% 0.10%(0.49%) hash_page_buffers+0x48
2.9% 5.0% 1.4us( 217us) 1.2us( 218us)(0.06%) 0.2us( 4.9us) 633578 95.0% 3.6%( 1.4%) try_to_free_buffers+0x28

0.00% 0% 7.6us( 38us) 0us 0us 15 100% 0%( 0%) tasklist_lock
0.00% 0% 2.2us( 2.7us) 0us 0us 5 100% 0%( 0%) do_fork+0x530
0.00% 0% 20us( 38us) 0us 0us 5 100% 0%( 0%) exit_notify+0x1b0
0.00% 0% 0.6us( 1.0us) 0us 0us 5 100% 0%( 0%) release_task+0x7c

0.00% 0% 20us( 40us) 0us 0us 4 100% 0%( 0%) vmlist_lock
0.00% 0% 4.4us( 5.2us) 0us 0us 2 100% 0%( 0%) get_vm_area+0x3c
0.00% 0% 35us( 40us) 0us 0us 2 100% 0%( 0%) vfree+0x58

0.12% 0% 5.9us( 19us) 0us 0us 6198 100% 0%( 0%) xtime_lock
0.02% 0% 1.7us( 6.7us) 0us 0us 3099 100% 0%( 0%) timer_bh+0xc
0.10% 0% 10us( 19us) 0us 0us 3099 100% 0%( 0%) timer_interrupt+0x10

0.00% 0% 0.9us( 1.2us) 0us 0us 5 100% 0%( 0%) flush_old_exec+0x22c
0.00% 0% 0.2us( 3.3us) 0us 0us 813 100% 0%( 0%) get_unused_fd+0x24
0.00% 0% 0.1us( 0.1us) 0us 0us 5 100% 0%( 0%) load_elf_binary+0x190
0.00% 0% 0.4us( 0.5us) 0us 0us 4 100% 0%( 0%) neigh_periodic_timer__thr+0xa8
0.00% 0% 0.1us( 4.1us) 0us 0us 820 100% 0%( 0%) rt_check_expire__thr+0x64
0.00% 0% 0.2us( 2.6us) 0us 0us 206 100% 0%( 0%) sys_close+0x1c
0.00% 0% 0.1us( 1.7us) 0us 0us 188 100% 0%( 0%) sys_open+0x60
0.00% 0% 0.1us( 0.8us) 0us 0us 616 100% 0%( 0%) sys_open+0xa8
_________________________________________________________________________________________________________________________
Number of read locks found=16
Lockmeter statistics are now OFF
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  Last update: 2005-03-22 13:26    [W:0.135 / U:0.800 seconds]
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