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.\" Copyright (c) 2001 Andreas Dilger (adilger@turbolinux.com)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 2001 NAKANO Takeo all rights reserved.
.\" Translated Thu Aug 16 2001 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.TH SLABINFO 5 2007-09-30 "" "Linux Programmer's Manual"
.SH ̾
/proc/slabinfo \- ͥ slab
.SH
.B cat /proc/slabinfo
.SH
Linux ͥɤѤ륪֥
(Хåեإåɡi-Ρɡǥ쥯ȥꡦȥʤ)
ϡ줾켫ʬѤΥåƤ롣ե
.I /proc/slabinfo
ϤפͿ롣
.LP
.in +4n
.nf
% cat /proc/slabinfo
slabinfo \- version: 1.1
kmem_cache 60 78 100 2 2 1
blkdev_requests 5120 5120 96 128 128 1
mnt_cache 20 40 96 1 1 1
inode_cache 7005 14792 480 1598 1849 1
dentry_cache 5469 5880 128 183 196 1
filp 726 760 96 19 19 1
buffer_head 67131 71240 96 1776 1781 1
vm_area_struct 1204 1652 64 23 28 1
\&...
size-8192 1 17 8192 1 17 2
size-4096 41 73 4096 41 73 1
\&...
.fi
.in
.LP
줾 slab å头Ȥˡå̾
ߥƥ֤ʥ֥ȤοѲǽʥ֥Ȥ
ƥ֥ȤΥ (Хñ)ʤȤĤΥƥ֤
֥ȤͭڡοȤ줿ڡ
slab ΥڡͿƤ롣
ʤ
֥ȤΥ饤Ȥ slab åΥСإåɤȤˤꡢ
֥Ȥ̾ڡˤäȤϼƤʤ
Υ֥ȤҤȤĤǤݻƤڡϡ
ǤȤߤʤ졢Ǥʤ
slab åפεǽͭˤƥѥ뤵줿ͥǤϡ
ϤκǽιԤ "(statistics)" ɽ졢 5 ĤΥबɲä롣
줾졢ƥ֤ʥ֥Ȥνִֺ͡
.\"nakano ǤΤʤ > high water mark
֥ȤȤ줿
å礭ĥ줿
(ڡΥåɲä줿)
å礭̾줿
(ȤäƤʤڡΥå夫줿)
ʥڡΥå˥Ȥݤ˵顼βǤ롣
slab åפȤʤͥǤϡΥɽʤ
SMP ƥǤϡϤκǽιԤ "(SMP)" ɽ졢
slab Ȥ 2 ĤΥबɲä롣
ϳ CPU ĥʥå (per-CPU å)
slab ݥꥷɽ
(per-CPU åϡ
֥Ȥå夫饢Ȥݤ
CPU ֤ǤƱ뤿ߤƤ)
ǽΥ per-CPU ¡
ʤ CPU Ȥ˥åǤ륪֥ȤκǤ롣
ܤΥϥХåȡ
ʤ per-CPU å夬äդäꤷˡ
ХʥåȼϤǤեʥ֥ȤκǤ롣
slab åפ SMP ξͭˤʤäƤϡ
per-CPU åפɽ 4 ĤΥबɲä롣
ǽ 2 Ĥ per-CPU å
ҥåȥȤȥߥȤǤ롣
ʤ륪֥ȤȤȤˡ
줬 per-CPU å ä/ʤä Ǥ롣
³ 2 Ĥϡper-CPU åΥեҥåȥȤȥߥȤǤ롣
ʤ줿֥ȤХʥå˥եå夹ˡ
per-CPU å¤ϰϤ ޤä/ޤʤä Ǥ롣
SMP ˤ per-CPU slab åͤ
ХåȤѹˤϡʲΤ褦ˤФ褤:
.in +4n
.nf
echo "\fIcache_name limit batchcount\fP" > /proc/slabinfo
.fi
.in
.SH ե
.I <linux/slab.h>
.SH С
.I /proc/slabinfo
Linux 2.1.23 ʹߤ¸ߤ롣
SMP ˤ CPU ȤΥå Linux 2.4.0-test3 ʹߤ¸ߤ롣
.SH
Linux 2.6.16 ʹߤǤϡ
.I /proc/slabinfo
եϡͥꥪץ
.B CONFIG_SLAB
ͭˤΤ¸ߤ롣
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