.\"  This page Copyright (C) 1994 Henry Ware <al172@yfn.ysu.edu>
.\"  Distributed under the GPL, Copyleft 1994.
.\"
.\" Japanese Version Copyright (c) 2000 NAKANO Takeo all rights reserved.
.\" Translated Tue Nov 14 2000 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Mon Jul 18 14:35:15 JST 2005
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH VMSTAT 8 "27 July 1994 " "Throatwobbler Ginkgo Labs" "Linux Administrator's Manual"
.SH ̾
vmstat \- ۥפ𤹤
.SH 
.ft B
.B vmstat
.RB [ "\-a" ]
.RB [ "\-n" ]
.RI [ delay " [ " count ]]
.br
.B vmstat
.RB [ "\-f" ]
.RB [ "\-s" ]
.RB [ "\-m" ]
.br
.B vmstat
.RB [ "\-S unit"]
.br
.B vmstat
.RB [ "\-d"]
.br
.B vmstat
.RB [ "\-p disk partition"]
.br
.B vmstat
.RB [ "\-V" ]
.SH 
.B vmstat
ϥץꡦڡ󥰡֥å IOȥåסCPU Ư
ʤɤ˴ؤ𤹤롣

ǽ˺ǤϡǸ˺ƵưưʹߤʿѤͿ롣
ʹߤǤϡĹ
.I delay
Υץ󥰴֤˴ؤͿ롣
ץȥ˴ؤϡνִ֤ΤΤǤ롣

.SS ץ
.TP
.B \-a
2.5.41 ʹߤΥͥǻꤹȡ
ƥ֡󥢥ƥ֤ʥɽ롣
.TP
.B \-f
֡ȸ fork ɽ롣
ˤ fork, vfork, clone ƥॳ뤬ޤޤ졢
줿
ƥץϡåɤλѿˤäơ1 İʾΥɽ롣
Ϸ֤ɽʤ
.TP
.B \-m
slabinfo ɽ롣
.TP
.B \-n
إåɽ٤ˤʤ롣
ǥեȤǤϡμǥإå֤ɽ롣
.TP
.B \-s
Υ٥ȥ󥿤ȥפɽɽ롣
ɽϷ֤ɽʤ
.TP
.I delay
δֳ֡ñ̤á
.I delay
ꤵʤСǸεưʹߤʿͤ 1 𤵤롣
.TP
.I count
β
.I count
ꤵ줺
.I delay
ꤵƤϡ
.I count
ΥǥեȤ̵²ˤʤ롣
.TP
.B \-d
ǥפɽ (2.5.70 ʹߤɬ)
.TP
.B \-p
Υץθ˻ꤷѡƥ̾˴ؤ
ܺ٤פɽ (2.5.70 ʹߤɬ)
.TP
.B \-S
Υץθ k, K, m, M դȡ
Ϥ 1000, 1024, 1000000, 1048576 Хñ̤ڤؤ롣
.TP
.B \-V
Сɽ롣
.SH VM ⡼ɤˤեɤ
.SS
.B "Procs"
.nf
b: Բǽʥ꡼׾֤ˤץ
.\"nakano ʸϡ
.fi
.SS
.B "Memory"
.nf
swpd: ۥ̡
free: ̡
buff: ХåեѤƤ̡
cache: åѤƤ̡
inact: ƥ֤Ǥʤ (-a ץ)
active: ƥ֤ʥ (-a ץ)
.fi
.SS
.B "Swap"
.nf
si: ǥ饹åץ󤵤Ƥ (/s)
so: ǥ˥åפƤ (/s)
.fi
.SS
.B "IO"
.nf
bi: ֥åǥХä֥å (blocks/s)
bo: ֥åǥХ줿֥å (blocks/s)
.fi
.SS
.B "System"
.nf
in: äγ߲åߤޤࡣ
cs: äΥƥȥåβ
.fi
.SS
.B "CPU "
 CPU ֤ФѡơǤ롣
.nf
us: ͥ륳ɰʳμ¹Ԥ˻Ѥ (桼֡nice ֤ޤ)
sy: ͥ륳ɤμ¹Ԥ˻Ѥ (ƥ)
id: ɥ֡Linux 2.5.41 ǤϡIO Ԥ֤ޤǤ롣
wa: IO Ԥ֡Linux 2.5.41 Ǥϡ0 ɽ롣
.fi
.SH ǥ⡼ɤˤեɤ
.SS
.B "Reads"
.nf
total: ɤ߹ߤ
merged: 롼ײ줿 (̤Ȥ 1 Ĥ I/O Ȥʤä) ɤ߹ߤο
sectors: ɤ߹ߤ
ms: ɤ߹ߤ˻Ѥ (ߥ)
.fi
.SS
.B "Writes"
.nf
total: 񤭽Ф
merged: 롼ײ줿 (̤Ȥ 1 Ĥ I/O Ȥʤä) 񤭽Фο
sectors: 񤭽Ф
ms: 񤭽Ф˻Ѥ (ߥ)
.fi
.SS
.B "IO"
.nf
cur: ¹ I/O
s: I/O ˻Ѥ ()
.fi
.SH ǥѡƥ⡼ɤˤեɤ
.nf
reads: ΥѡƥȯԤ줿ɤ߹ߤ
read sectors: Υѡƥ󤫤ɤ߹ޤ줿
writes : ΥѡƥȯԤ줿񤭽Ф
requested writes: Υѡƥؤν񤭽Ф׵

.fi
.SH SLAB ⡼ɤˤեɤ
.nf
cache: å̾
num: ߥƥ֤ʥ֥Ȥο
total: Ѳǽʥ֥Ȥ
size: ƥ֥ȤΥ
pages: ʤȤ 1 ĤΥƥ֤ʥ֥Ȥڡο
totpages:  (allocate) 줿ڡ
pslab: slab Υڡ
.fi

.SH 
.B vmstat
ˤ̤ʸ¤ɬפʤ
.PP
ϡƥΥܥȥͥåͤߤȤ
򤹤ΤǤ롣 Linux 
.B vmstat
ϡʬȤϼ¹ԥץȤƤδʤ
.PP
Linux Υ֥åϡΤȤ 1024 ХȤǤ롣
Ťͥϥ֥å 51220484096 ХȤǤɽ뤫⤷ʤ
.PP
procps 3.1.9 ʹߤǤϡvmstat ϥǥեȥ⡼ɤˤ
ñ (k, K, m, M) 桼򤵤롣
ǥեȤ K (1024 Х) Ǥ롣
.PP
vmstat  slabinfo 1.1 Ѥ롣
ְ㤨Ƥ齤ߤ
.SH ե
.ta
.nf
/proc/meminfo
/proc/stat
/proc/*/stat
.fi

.SH Ϣ
.BR iostat (1),
.BR sar (1),
.BR mpstat (1),
.BR ps (1),
.BR top (1),
.BR free (1)
.PP
.SH Х
ǥХȤΥ֥å io ɽˤʤ
ޤƥॳβʤ
.SH 
.nf
Henry Ware <al172@yfn.ysu.edu> 
Fabian Frederick <ffrederick@users.sourceforge.net>
(diskstat, slab, partitions...) ˤäƽ񤫤줿