[linuxjm/LDP_man-pages.git] / draft / man5 / proc.5

.\" Copyright (C) 1994, 1995 by Daniel Quinlan (quinlan@yggdrasil.com)
.\" and Copyright (C) 2002-2008 Michael Kerrisk <mtk.manpages@gmail.com>
.\" with networking additions from Alan Cox (A.Cox@swansea.ac.uk)
.\" and scsi additions from Michael Neuffer (neuffer@mail.uni-mainz.de)
.\" and sysctl additions from Andries Brouwer (aeb@cwi.nl)
.\" and System V IPC (as well as various other) additions from
.\" Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Modified 1995-05-17 by faith@cs.unc.edu
.\" Minor changes by aeb and Marty Leisner (leisner@sdsp.mc.xerox.com).
.\" Modified 1996-04-13, 1996-07-22 by aeb@cwi.nl
.\" Modified 2001-12-16 by rwhron@earthlink.net
.\" Modified 2002-07-13 by jbelton@shaw.ca
.\" Modified 2002-07-22, 2003-05-27, 2004-04-06, 2004-05-25
.\"    by Michael Kerrisk <mtk.manpages@gmail.com>
.\" 2004-11-17, mtk -- updated notes on /proc/loadavg
.\" 2004-12-01, mtk, rtsig-max and rtsig-nr went away in 2.6.8
.\" 2004-12-14, mtk, updated 'statm', and fixed error in order of list
.\" 2005-05-12, mtk, updated 'stat'
.\" 2005-07-13, mtk, added /proc/sys/fs/mqueue/*
.\" 2005-09-16, mtk, Added /proc/sys/fs/suid_dumpable
.\" 2005-09-19, mtk, added /proc/zoneinfo
.\" 2005-03-01, mtk, moved /proc/sys/fs/mqueue/* material to mq_overview.7.
.\" 2008-06-05, mtk, Added /proc/[pid]/oom_score, /proc/[pid]/oom_adj,
.\"     /proc/[pid]/limits, /proc/[pid]/mountinfo, /proc/[pid]/mountstats,
.\"     and /proc/[pid]/fdinfo/*.
.\" 2008-06-19, mtk, Documented /proc/[pid]/status.
.\" 2008-07-15, mtk, added /proc/config.gz
.\"
.\" FIXME 2.6.13 seems to have /proc/vmcore implemented
.\" in the source code, but there is no option available under
.\" 'make xconfig'; eventually this should be fixed, and then info
.\" from the patch-2.6.13 and change log could be used to write an
.\" entry in this man page.
.\" Needs CONFIG_VMCORE
.\"
.\" FIXME cross check against Documentation/filesystems/proc.txt
.\" to see what information could be imported from that file
.\" into this file.
.\"
.\" Japanese Version Copyright (c) 1998,1999 Hiroaki Nagoya,
.\"     Copyright (c) 2001-2005 Yuichi SATO,
.\"     and Copyright (c) 2005-2008 Akihiro MOTOKI
.\"         all rights reserved.
.\" Translated 1998-07-09, Hiroaki Nagoya <nagoya@cc.hit-u.ac.jp>
.\" Proofreaded 1998-07-24, Hiroaki Nagoya <nagoya@cc.hit-u.ac.jp> ,
.\"                         Nakano Takeo <nakano@apm.seikei.ac.jp> and
.\"                         Shinya Hanataka <hanataka@abyss.rim.or.jp>.
.\" Matched with man-pages-1.22 1999-01-21, Hiroaki Nagoya
.\" Updated 1999-12-04, Kentaro Shirakata <argrath@yo.rim.or.jp>
.\" Updated 2001-04-24, Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated 2002-01-14, Yuichi SATO
.\" Updated 2002-11-04, Yuichi SATO
.\" Updated 2003-03-01, Yuichi SATO
.\" Updated 2003-10-18, Yuichi SATO
.\" Updated 2003-11-27, Yuichi SATO
.\" Updated 2005-01-22, Yuichi SATO
.\" Updated 2005-09-14, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2005-11-19, Akihiro MOTOKI, LDP v2.14
.\" Updated 2006-01-18, Akihiro MOTOKI, LDP v2.21
.\" Updated 2006-02-15, Akihiro MOTOKI, LDP v2.23
.\" Updated 2006-03-05, Akihiro MOTOKI, LDP v2.25
.\" Updated 2006-04-15, Akihiro MOTOKI, LDP v2.29
.\" Updated 2007-01-05, Akihiro MOTOKI, LDP v2.43
.\" Updated 2007-07-04, Akihiro MOTOKI, LDP v2.58
.\" Updated 2007-09-03, Akihiro MOTOKI, LDP v2.64
.\" Updated 2007-10-11, Akihiro MOTOKI, LDP v2.65
.\" Updated 2008-02-06, Akihiro MOTOKI, LDP v2.76
.\" Updated 2008-09-21, Akihiro MOTOKI, LDP v3.09
.\" Updated 2009-03-03, Akihiro MOTOKI, LDP v3.19
.\" Updated 2009-03-13, Akihiro MOTOKI, LDP v3.20
.\"
.\"WORD:        pseudo-filesystem       µ¼»÷¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à
.\"WORD:        major                   ¥á¥¸¥ã¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ
.\"WORD:        minor                   ¥Þ¥¤¥Ê¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ
.\"WORD:        inode                   i¥Î¡¼¥ÉÈÖ¹æ
.\"WORD:        executable              ¼Â¹Ô·Á¼°
.\"WORD:        file descriptor         ¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿
.\"WORD:        swap in/out             ¥¹¥ï¥Ã¥×¥¤¥ó/¥¢¥¦¥È
.\"WORD:        page in/out             ¥Ú¡¼¥¸¥¤¥ó/¥¢¥¦¥È
.\"WORD:        minor/major fault       ¥Þ¥¤¥Ê¡¼/¥á¥¸¥ã¡¼¥Õ¥©¡¼¥ë¥È
.\"WORD:        demand-loaded in        Í×µá»þ¥í¡¼¥É¥¤¥ó
.\"WORD:        channels                ¥Á¥ã¥Í¥ë
.\"WORD:        core file               ¥³¥¢¥Õ¥¡¥¤¥ë
.\"WORD:        loadable module         ¥í¡¼¥À¥Ö¥ë¥â¥¸¥å¡¼¥ë
.\"WORD:        hotplugged              ³èÀþÁÞÈ´
.\"WORD:        context switches        ¥³¥ó¥Æ¥¯¥¹¥È¡¦¥¹¥¤¥Ã¥Á
.\"
.TH PROC 5 2009-09-30 "Linux" "Linux Programmer's Manual"
.\"O .SH NAME
.SH ̾Á°
.\"O proc \- process information pseudo-file system
proc \- ¥×¥í¥»¥¹¤Î¾ðÊó¤ò´Þ¤àµ¼»÷¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O The
.\"O .I proc
.\"O file system is a pseudo-file system which is used as an interface to
.\"O kernel data structures.
.\"O It is commonly mounted at
.\"O .IR /proc .
.\"O Most of it is read-only, but some files allow kernel variables to be
.\"O changed.
.I proc
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¥«¡¼¥Í¥ëÆâ¤Î¥Ç¡¼¥¿¤Ø¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤È¤·¤Æ»ÈÍѤµ¤ì¤ë¡£
°ìÈÌŪ¤Ë¤Ï
.I /proc
¤Ë¥Þ¥¦¥ó¥È¤µ¤ì¤ë¡£
ÂçÉôʬ¤Î¥Õ¥¡¥¤¥ë¤ÏÆɤ߽Ф·ÀìÍÑ (read-only) ¤Ç¤¢¤ë¤¬¡¢
¤¤¤¯¤Ä¤«¤Î¥Õ¥¡¥¤¥ë¤Ï½ñ¤­¹þ¤ß²Äǽ¤Ç¤¢¤ê¡¢
¤½¤Î¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤á¤Ð¥«¡¼¥Í¥ë¤ÎÆâÉôÊÑ¿ô¤òÊѹ¹¤Ç¤­¤ë¡£
.LP
.\"O The following outline gives a quick tour through the
.\"O .I /proc
.\"O hierarchy.
°Ê²¼¤Ï
.I /proc
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.PD 1
.TP
.I /proc/[pid]
.\"O There is a numerical subdirectory for each running process; the
.\"O subdirectory is named by the process ID.
.\"O Each such subdirectory contains the following
.\"O pseudo-files and directories.
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¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê̾¤Ï (¤½¤Î¥×¥í¥»¥¹¤Î) ¥×¥í¥»¥¹ ID ¤Ç¤¢¤ë¡£
³Æ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Ï¡¢°Ê²¼¤Îµ¼»÷¥Õ¥¡¥¤¥ë¤È¥Ç¥£¥ì¥¯¥È¥ê¤ò´Þ¤à¡£
.\" FIXME Describe /proc/[pid]/attr and
.\"       /proc/[pid]/task/[tid]/attr
.\"       This is a directory
.\"       Added in ???
.\"       CONFIG_SECURITY
.\"
.TP
.\"O .IR /proc/[pid]/auxv " (since 2.6.0-test7)"
.IR /proc/[number]/auxv " (¥«¡¼¥Í¥ë 2.6.0-test7 °Ê¹ß)"
.\"O This contains the contents of the ELF interpreter information passed
.\"O to the process at exec time.
.\"O The format is one \fIunsigned long\fP ID
.\"O plus one \fIunsigned long\fP value for each entry.
.\"O The last entry contains two zeros.
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¸Ä¡¹¤Î¥¨¥ó¥È¥ê¤Ï¡¢\fIunsigned long\fP ·¿¤Î ID 1 ¸Ä¤Ë
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ºÇ¸å¤Î¥¨¥ó¥È¥ê¤Ë¤Ï 0 ¤¬ 2 ¸ÄÆþ¤Ã¤Æ¤¤¤ë¡£
.\" FIXME Describe /proc/[pid]/cgroup and
.\"       /proc/[pid]/task/[tid]/cgroup
.\"       Info in Documentation/cgroups.txt
.\"       Added in 2.6.24
.\"       CONFIG_CGROUPS
.\"
.\" FIXME Describe /proc/[pid]/clear_refs
.\"       Added in 2.6.22
.\"       "Clears page referenced bits shown in smaps output"
.\"       write-only
.\"       CONFIG_PROC_PAGE_MONITOR
.TP
.I /proc/[pid]/cmdline
.\"O This holds the complete command line for the process,
.\"O unless the process is a zombie.
.\"O .\" In 2.3.26, this also used to be true if the process was swapped out.
.\"O In the latter case, there is nothing in this file:
.\"O that is, a read on this file will return 0 characters.
.\"O The command-line arguments appear in this file as a set of
.\"O null-separated strings,
.\"O with a further null byte (\(aq\\0\(aq) after the last string.
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.\" Linux 2.3.26 ¤Ç¤Ï¡¢¥×¥í¥»¥¹¤¬¥¹¥ï¥Ã¥×¥¢¥¦¥È¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤â¡¢
.\" ¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¶õ¤È¤Ê¤Ã¤Æ¤¤¤¿¡£
¤Ä¤Þ¤ê¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤òÆɤ߽Ф·¤Æ¤â°ìʸ»ú¤âÊÖ¤é¤Ê¤¤¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤Ç¤Ï¥³¥Þ¥ó¥É¥é¥¤¥ó°ú¤­¿ô¤¬¡¢
¥Ì¥ëʸ»ú¤Ç¶èÀÚ¤é¤ì¤¿Ê¸»úÎó¤È¤·¤Æ½ñ¤«¤ì¤Æ¤ª¤ê¡¢
ºÇ¸å¤Îʸ»úÎó¤Î¸å¤Ë¥Ì¥ë¥Ð¥¤¥È (\(aq\\0\(aq) ¤¬°ì¤ÄÃÖ¤«¤ì¤ë¡£
.TP
.\"O .IR /proc/[pid]/coredump_filter " (since kernel 2.6.23)"
.IR /proc/[pid]/coredump_filter " (kernel 2.6.23 °Ê¹ß)"
.\"O See
.\"O .BR core (5).
.BR core (5)
»²¾È¡£
.TP
.\"O .IR /proc/[pid]/cpuset " (since kernel 2.6.12)"
.IR /proc/[pid]/cpuset " (kernel 2.6.12 °Ê¹ß)"
.\" and/proc/[pid]/task/[tid]/cpuset
.\"O See
.\"O .BR cpuset (7).
.BR cpuset (7)
»²¾È¡£
.TP
.I /proc/[pid]/cwd
.\"O This is a symbolic link to the current working directory of the process.
.\"O To find out the current working directory of process 20,
.\"O for instance, you can do this:
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Î㤨¤Ð¡¢¥×¥í¥»¥¹ 20 ¤Î¥«¥ì¥ó¥È¥ï¡¼¥­¥ó¥°¥Ç¥£¥ì¥¯¥È¥ê¤ò¸«¤Ä¤±¤ë¤¿¤á¤Ë¤Ï¡¢
¼¡¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤è¤¤¡£

.in +4n
.nf
.RB "$" " cd /proc/20/cwd; /bin/pwd"
.fi
.in

.\"O Note that the
.\"O .I pwd
.\"O command is often a shell built-in, and might
.\"O not work properly.
.\"O In
.\"O .BR bash (1),
.\"O you may use
.\"O .IR "pwd\ \-P" .
.I pwd
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¤¦¤Þ¤¯Æ°ºî¤·¤Ê¤¤¤«¤â¤·¤ì¤Ê¤¤¡£
.BR bash (1)
¤Ç¤Ï
.I "pwd \-P"
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.\"O .\" The following was still true as at kernel 2.6.13
.\" °Ê²¼¤ÎÆâÍÆ¤Ï ¥«¡¼¥Í¥ë 2.6.13 ¤Ç¤Ï¤Þ¤ÀÀµ¤·¤¤¡£
.\"O In a multithreaded process, the contents of this symbolic link
.\"O are not available if the main thread has already terminated
.\"O (typically by calling
.\"O .BR pthread_exit (3)).
¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥×¥í¥»¥¹¤Ç¤Ï¡¢¥á¥¤¥ó¥¹¥ì¥Ã¥É¤¬¤¹¤Ç¤Ë½ªÎ»¤·¤Æ¤¤¤ë¾ì¹ç¡¢
¤³¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤ÎÆâÍƤϻ²¾È¤Ç¤­¤Ê¤¤
(¥¹¥ì¥Ã¥É¤Î½ªÎ»¤ÏÄ̾ï
.BR pthread_exit (3)
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.TP
.I /proc/[pid]/environ
.\"O This file contains the environment for the process.
.\"O The entries are separated by null bytes (\(aq\\0\(aq),
.\"O and there may be a null byte at the end.
.\"O Thus, to print out the environment of process 1, you would do:
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³Æ¥¨¥ó¥È¥ê¤Ï NULL ¥Ð¥¤¥È (\(aq\\0\(aq) ¤Ç¶èÀÚ¤é¤ì¤Æ¤¤¤Æ¡¢
ËöÈø¤Ë NULL ¥Ð¥¤¥È¤¬¤¢¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
¤·¤¿¤¬¤Ã¤Æ¡¢¥×¥í¥»¥¹ 1 ¤Î´Ä¶­ÊÑ¿ô¤òɽ¼¨¤¹¤ë¤¿¤á¤Ë¤Ï
¼¡¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤è¤¤¡£
.in +4n
.nf

.ft CW
.RB "$" " (cat /proc/1/environ; echo) | tr \(aq\e000\(aq \(aq\en\(aq"
.fi
.ft P
.in
.TP
.I /proc/[pid]/exe
.\"O Under Linux 2.2 and later, this file is a symbolic link
.\"O containing the actual pathname of the executed command.
Linux 2.2 °Ê¹ß¤Ç¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¡¢
¼Â¹Ô²Äǽ¥³¥Þ¥ó¥É¤Î¼ÂºÝ¤Î¥Ñ¥¹Ì¾¤ò³ÊǼ¤·¤Æ¤¤¤ë¡£
.\"O This symbolic link can be dereferenced normally; attempting to open
.\"O it will open the executable.
.\"O You can even type
.\"O .I /proc/[pid]/exe
.\"O to run another copy of the same executable as is being run by
.\"O process [pid].
¤³¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤ÏÄ̾ï¤Î¤è¤¦¤Ëé¤ë¤³¤È¤¬¤Ç¤­¤ë;
¤³¤ì¤ò¥ª¡¼¥×¥ó¤¹¤ë¤È¼Â¹Ô²Äǽ¥Õ¥¡¥¤¥ë¤¬¥ª¡¼¥×¥ó¤µ¤ì¤ë¡£
(¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç)
.I /proc/[pid]/exe
¤ÈÆþÎϤ¹¤ë¤È¡¢¥×¥í¥»¥¹ÈÖ¹æ [pid] ¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë
¼Â¹Ô²Äǽ¥Õ¥¡¥¤¥ë¤ò¤â¤¦°ì¤Ä¼Â¹Ô¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.\"O .\" The following was still true as at kernel 2.6.13
.\" °Ê²¼¤ÎÆâÍÆ¤Ï ¥«¡¼¥Í¥ë 2.6.13 ¤Ç¤Ï¤Þ¤ÀÀµ¤·¤¤¡£
.\"O In a multithreaded process, the contents of this symbolic link
.\"O are not available if the main thread has already terminated
.\"O (typically by calling
.\"O .BR pthread_exit (3)).
¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥×¥í¥»¥¹¤Ç¤Ï¡¢¥á¥¤¥ó¥¹¥ì¥Ã¥É¤¬¤¹¤Ç¤Ë½ªÎ»¤·¤Æ¤¤¤ë¾ì¹ç¡¢
¤³¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤ÎÆâÍƤϻ²¾È¤Ç¤­¤Ê¤¤
(¥¹¥ì¥Ã¥É¤Î½ªÎ»¤ÏÄ̾ï
.BR pthread_exit (3)
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.\"O Under Linux 2.0 and earlier
.\"O .I /proc/[pid]/exe
.\"O is a pointer to the binary which was executed,
.\"O and appears as a symbolic link.
.\"O A
.\"O .BR readlink (2)
.\"O call on this file under Linux 2.0 returns a string in the format:
.\"O 
.\"O     [device]:inode
.\"O 
Linux 2.0 °ÊÁ°¤Ç¤Ï¡¢
.I /proc/[pid]/exe
¤Ï¼Â¹Ô¤µ¤ì¤¿¥Ð¥¤¥Ê¥ê¤Ø¤Î¥Ý¥¤¥ó¥¿¤Ç¡¢¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Î¤è¤¦¤Ë¸«¤¨¤ë¡£
Linux 2.0 °ÊÁ°¤Ç¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ
.BR readlink (2)
¤ò¼Â¹Ô¤¹¤ë¤È¡¢

    [¥Ç¥Ð¥¤¥¹ÈÖ¹æ]:i¥Î¡¼¥ÉÈÖ¹æ

¤È¤¤¤¦¥Õ¥©¡¼¥Þ¥Ã¥È¤Îʸ»úÎó¤¬Ê֤롣

.\"O For example, [0301]:1502 would be inode 1502 on device major 03 (IDE,
.\"O MFM, etc. drives) minor 01 (first partition on the first drive).
¤¿¤È¤¨¤Ð¡¢[0301]:1502 ¤Ï¥á¥¸¥ã¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ 03 (IDE, MFM ¤Ê¤É¤Î¥É¥é¥¤¥Ö)
¥Þ¥¤¥Ê¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ 01 (ºÇ½é¤Î¥É¥é¥¤¥Ö¤ÎºÇ½é¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó) ¤Î
¥Ç¥Ð¥¤¥¹¾å¤Î i¥Î¡¼¥ÉÈÖ¹æ 1502 ¤Ç¤¢¤ë¡£

.\"O .BR find (1)
.\"O with the
.\"O .I \-inum
.\"O option can be used to locate the file.
.I \-inum
¥ª¥×¥·¥ç¥ó¤ò¤Ä¤±¤Æ
.BR find (1)
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.TP
.I /proc/[pid]/fd
.\"O This is a subdirectory containing one entry for each file which the
.\"O process has open, named by its file descriptor, and which is a
.\"O symbolic link to the actual file.
.\"O Thus, 0 is standard input, 1 standard output, 2 standard error, etc.
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¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤¬¥Õ¥¡¥¤¥ë̾¤Ç¡¢
¼ÂºÝ¤Î¥Õ¥¡¥¤¥ë¤Ø¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£
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.\"O .\" The following was still true as at kernel 2.6.13
.\" °Ê²¼¤ÎÆâÍÆ¤Ï ¥«¡¼¥Í¥ë 2.6.13 ¤Ç¤Ï¤Þ¤ÀÀµ¤·¤¤¡£
.\"O In a multithreaded process, the contents of this directory
.\"O are not available if the main thread has already terminated
.\"O (typically by calling
.\"O .BR pthread_exit (3)).
¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥×¥í¥»¥¹¤Ç¤Ï¡¢¥á¥¤¥ó¥¹¥ì¥Ã¥É¤¬¤¹¤Ç¤Ë½ªÎ»¤·¤Æ¤¤¤ë¾ì¹ç¡¢
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤ÎÆâÍƤϻ²¾È¤Ç¤­¤Ê¤¤
(¥¹¥ì¥Ã¥É¤Î½ªÎ»¤ÏÄ̾ï
.BR pthread_exit (3)
¤ò¸Æ¤Ó½Ð¤·¤Ë¤è¤ê¹Ô¤ï¤ì¤ë)¡£

.\"O Programs that will take a filename as a command-line argument,
.\"O but will not take input from standard input if no argument is supplied,
.\"O or that write to a file named as a command-line argument,
.\"O but will not send their output to standard output
.\"O if no argument is supplied, can nevertheless be made to use
.\"O standard input or standard out using
.\"O .IR /proc/[pid]/fd .
.\"O For example, assuming that
.\"O .I \-i
.\"O is the flag designating an input file and
.\"O .I \-o
.\"O is the flag designating an output file:
¥³¥Þ¥ó¥É¥é¥¤¥ó°ú¤­¿ô¤È¤·¤Æ¥Õ¥¡¥¤¥ë̾¤ò¼õ¤±¼è¤ë¤¬¡¢°ú¤­¿ô¤¬
ÅϤµ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ëɸ½àÆþÎϤ«¤éÆþÎϤò¼õ¤±¼è¤é¤Ê¤¤¤è¤¦¤Ê¥×¥í¥°¥é¥à¤ä¡¢
¥³¥Þ¥ó¥É¥é¥¤¥ó°ú¤­¿ô¤È¤·¤Æ½ñ¤­¹þ¤ß¥Õ¥¡¥¤¥ë¤ò¼õ¤±¼è¤ë¤¬¡¢°ú¤­¿ô¤¬
ÅϤµ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ëɸ½à½ÐÎϤ˽ÐÎϤò¹Ô¤ï¤Ê¤¤¤è¤¦¤Ê¥×¥í¥°¥é¥à¤Ç¤¢¤Ã¤Æ¤â¡¢
.I /proc/[pid]/fd
¤ò»È¤¦¤³¤È¤Çɸ½àÆþÎϤäɸ½à½ÐÎϤò»ÈÍѤǤ­¤ë¤è¤¦¤Ë¤Ê¤ë¡£
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.I \-i
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.I \-o
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.in +4n
.nf

.RB "$" " foobar \-i /proc/self/fd/0 \-o /proc/self/fd/1 ..."
.fi
.in

.\"O and you have a working filter.
.\"O motoki: Âбþ¤¹¤ëÌõ¤Ï¥³¥Þ¥ó¥É¤Î¾å¦¤Ë¤¢¤ë¡£
.\"O .\" The following is not true in my tests (MTK):
.\"O .\" Note that this will not work for
.\"O .\" programs that seek on their files, as the files in the fd directory
.\"O .\" are not seekable.
.\" »ä¤Î¥Æ¥¹¥È¤Ç¤Ï¡¢°Ê²¼¤ÏÀµ¤·¤¯¤Ê¤«¤Ã¤¿ (MTK):
.\" ¤¿¤À¤· fd ¥Ç¥£¥ì¥¯¥È¥êÆâ¤Î¥Õ¥¡¥¤¥ë¤Ï¥·¡¼¥¯ (seek) ¤Ç¤­¤Ê¤¤¤Î¤Ç¡¢
.\" ¤³¤ÎÊýË¡¤Ï¥Õ¥¡¥¤¥ë¤ò¥·¡¼¥¯¤¹¤ë¤è¤¦¤Ê¥×¥í¥°¥é¥à¤Ç¤Ï¤¦¤Þ¤¯Æ¯¤«¤Ê¤¤¡£

.\"O .I /proc/self/fd/N
.\"O is approximately the same as
.\"O .I /dev/fd/N
.\"O in some Unix and Unix-like systems.
.\"O Most Linux MAKEDEV scripts symbolically link
.\"O .I /dev/fd
.\"O to
.\"O .IR /proc/self/fd ,
.\"O in fact.
.I /proc/self/fd/N
¤Ï¡¢¤¢¤ë¼ï¤Î Unix ¤ä Unix É÷¤Î¥·¥¹¥Æ¥à¤Ë¤¢¤ë
.I /dev/fd/N
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.I /dev/fd
¤ò
.I /proc/self/fd
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.\"O Most systems provide symbolic links
.\"O .IR /dev/stdin ,
.\"O .IR /dev/stdout ,
.\"O and
.\"O .IR /dev/stderr ,
.\"O which respectively link to the files
.\"O .IR 0 ,
.\"O .IR 1 ,
.\"O and
.\"O .IR 2
.\"O in
.\"O .IR /proc/self/fd .
¤Û¤È¤ó¤É¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¡¢¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯
.IR /dev/stdin ,
.IR /dev/stdout ,
.IR /dev/stderr
¤¬Ä󶡤µ¤ì¤Æ¤ª¤ê¡¢¤½¤ì¤¾¤ì
.I /proc/self/fd
Æâ¤Î¥Õ¥¡¥¤¥ë
.IR 0 ,
.IR 1 ,
.IR 2
¤Ë¥ê¥ó¥¯¤µ¤ì¤Æ¤¤¤ë¡£
.\"O Thus the example command above could be written as:
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.in +4n
.nf

.RB "$" " foobar \-i /dev/stdin \-o /dev/stdout ..."
.fi
.in
.\" FIXME Describe /proc/[pid]/loginuid
.\"       Added in 2.6.11; updating requires CAP_AUDIT_CONTROL
.\"       CONFIG_AUDITSYSCALL
.TP
.\"O .IR /proc/[pid]/fdinfo/ " (since kernel 2.6.22)"
.IR /proc/[pid]/fdinfo/ " (kernel 2.6.22 °Ê¹ß)"
.\"O This is a subdirectory containing one entry for each file which the
.\"O process has open, named by its file descriptor.
.\"O The contents of each file can be read to obtain information
.\"O about the corresponding file descriptor, for example:
¤³¤Î¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤Ï¡¢¤½¤Î¥×¥í¥»¥¹¤¬¥ª¡¼¥×¥ó¤·¤Æ¤¤¤ë¥Õ¥¡¥¤¥ëËè¤Î
¥¨¥ó¥È¥ê¤¬Æþ¤Ã¤Æ¤ª¤ê¡¢¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤¬¥Õ¥¡¥¤¥ë̾¤È¤Ê¤Ã¤Æ¤¤¤ë¡£
³Æ¥Õ¥¡¥¤¥ë¤ÎÆâÍƤòÆɤ߽Ф¹¤³¤È¤Ç¡¢Âбþ¤¹¤ë¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ë´Ø¤¹¤ë
¾ðÊó¤òÆÀ¤ë¤³¤È¤¬¤Ç¤­¤ë¡£°Ê²¼¤ËÎã¤ò¼¨¤¹¡£
.in +4n
.nf

.RB "$" " cat /proc/12015/fdinfo/4"
pos:    1000
flags:  01002002
.fi
.in

.\"O The
.\"O .I pos
.\"O field is a decimal number showing the current file offset.
.\"O The
.\"O .I flags
.\"O field is an octal number that displays the
.\"O file access mode and file status flags (see
.\"O .BR open (2)).
.I pos
¥Õ¥£¡¼¥ë¥É¤Ï 10 ¿Ê¿ô¤Ç¡¢¸½ºß¤Î¥Õ¥¡¥¤¥ë¥ª¥Õ¥»¥Ã¥È¤ò¼¨¤¹¡£
.I flags
¥Õ¥£¡¼¥ë¥É¤Ï 8 ¿Ê¿ô¤Ç¡¢
¥Õ¥¡¥¤¥ë¤Î¥¢¥¯¥»¥¹¥â¡¼¥É¤È¥Õ¥¡¥¤¥ë¾õÂ֥ե饰¤ò¼¨¤¹
.RB ( open (2)
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.\"O The files in this directory are readable only by the owner of the process.
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.\" FIXME document /proc/[pid]/io
.\" .TP
.\" .IR /proc/[pid]/io " (since kernel 2.6.20)"
.TP
.\"O .IR /proc/[pid]/limits " (since kernel 2.6.24)"
.IR /proc/[pid]/limits " (kernel 2.6.24 °Ê¹ß)"
.\"O This file displays the soft limit, hard limit, and units of measurement
.\"O for each of the process's resource limits (see
.\"O .BR getrlimit (2)).
.\"O The file is protected to only allow reading by the real UID of the process.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢¤½¤Î¥×¥í¥»¥¹¤Î³Æ¥ê¥½¡¼¥¹À©¸Â¤Ë¤Ä¤¤¤Æ¡¢
¥½¥Õ¥È¡¦¥ê¥ß¥Ã¥È¡¢¥Ï¡¼¥É¡¦¥ê¥ß¥Ã¥È¡¢·×–°Ì¤òɽ¼¨¤¹¤ë
.RB ( getrlimit (2)
»²¾È)¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢¥×¥í¥»¥¹¤Î¼Â UID ¤ò»ý¤Ä¤â¤Î¤À¤±¤¬Æɤ߽Ф¹¤³¤È¤¬¤Ç¤­¤ë¡£
.TP
.I /proc/[pid]/maps
.\"O A file containing the currently mapped memory regions and their access
.\"O permissions.
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.\"O The format is:
¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï°Ê²¼¤Î¤È¤ª¤ê:

.nf
.ft CW
address           perms offset  dev   inode   pathname
08048000-08056000 r-xp 00000000 03:0c 64593   /usr/sbin/gpm
08056000-08058000 rw-p 0000d000 03:0c 64593   /usr/sbin/gpm
08058000-0805b000 rwxp 00000000 00:00 0
40000000-40013000 r-xp 00000000 03:0c 4165    /lib/ld-2.2.4.so
40013000-40015000 rw-p 00012000 03:0c 4165    /lib/ld-2.2.4.so
4001f000-40135000 r-xp 00000000 03:0c 45494   /lib/libc-2.2.4.so
40135000-4013e000 rw-p 00115000 03:0c 45494   /lib/libc-2.2.4.so
4013e000-40142000 rw-p 00000000 00:00 0
bffff000-c0000000 rwxp 00000000 00:00 0
.ft
.fi

.\"O where "address" is the address space in the process that it occupies,
.\"O "perms" is a set of permissions:
¤³¤³¤Ç "address" ¤Ï¥×¥í¥»¥¹¤Î¥¢¥É¥ì¥¹¶õ´Ö¤Ç¤½¤Î¥á¥â¥êÎΰ褬Àê¤á¤Æ¤¤¤ë
¥¢¥É¥ì¥¹¤Ç¡¢"perms" ¤Ï¥Ñ¡¼¥ß¥Ã¥·¥ç¥ó¤Î¥»¥Ã¥È¤Ç¤¢¤ë¡£

.nf
.in +5
r = read
w = write
x = execute
s = shared
p = private (copy on write)
.fi
.in

.\"O "offset" is the offset into the file/whatever, "dev" is the device
.\"O (major:minor), and "inode" is the inode on that device.
.\"O 0 indicates that no inode is associated with the memory region,
.\"O as the case would be with BSS (uninitialized data).
\&"offset" ¤Ï¥Õ¥¡¥¤¥ë (¤Ê¤É¤Î) Ãæ¤Ç¤Î¥ª¥Õ¥»¥Ã¥È¡¢
\&"dev" ¤Ï¥Ç¥Ð¥¤¥¹ (¥á¥¸¥ã¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ:¥Þ¥¤¥Ê¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ)¡¢
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¤³¤Î¥á¥â¥êÎΰè¤Ë¤Ï¤É¤Î i ¥Î¡¼¥É¤â³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤Ê¤¤¤³¤È¤ò°ÕÌ£¤·¤Æ¤¤¤ë¡£

.\"O Under Linux 2.0 there is no field giving pathname.
Linux 2.0 ¤Ç¤Ï¥Ñ¥¹Ì¾¤ò½ñ¤¤¤¿¥Õ¥£¡¼¥ë¥É¤¬¤Ê¤¤¡£
.TP
.I /proc/[pid]/mem
.\"O This file can be used to access the pages of a process's memory through
.\"O .BR open (2),
.\"O .BR read (2),
.\"O and
.\"O .BR lseek (2).
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢
.BR open (2),
.BR read (2),
.BR lseek (2)
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.TP
.\"O .IR /proc/[pid]/mountinfo " (since Linux 2.6.26)"
.IR /proc/[pid]/mountinfo " (Linux 2.6.26 °Ê¹ß)"
.\" This info adapted from Documentation/filesystems/proc.txt
.\"O This file contains information about mount points.
.\"O It contains lines of the form:
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤¬Æþ¤Ã¤Æ¤¤¤ë¡£
°Ê²¼¤Î¤è¤¦¤Ê·Á¼°¤Î¹Ô¤«¤é¹½À®¤µ¤ì¤ë¡£
.nf
.ft CW

36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
(1)(2)(3)   (4)   (5)      (6)      (7)   (8) (9)   (10)         (11)
.ft
.fi
.IP
.\"O The numbers in parentheses are labels for the descriptions below:
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.RS 7
.TP 5
(1)
.\"O mount ID: unique identifier of the mount (may be reused after
.\"O .BR umount (2)).
¥Þ¥¦¥ó¥È ID: ¥Þ¥¦¥ó¥È¤Î°ì°Õ¤Ê¼±ÊÌ»Ò
.RB ( umount (2)
¤Î¸å¤ÏºÆÍøÍѤµ¤ì¤ë¤«¤â¤·¤ì¤Ê¤¤)¡£
.TP
(2)
.\"O parent ID: ID of parent mount (or of self for the top of the mount tree).
parent ID: ¿Æ¥Þ¥¦¥ó¥È¤Î ID
(¥Þ¥¦¥ó¥È¥Ä¥ê¡¼¤ÎºÇ¾å°Ì¤Î¾ì¹ç¤Ï¼«Ê¬¼«¿È¤Î ID ¤È¤Ê¤ë)¡£
.TP
(3)
.\"O major:minor: value of
.\"O .I st_dev
.\"O for files on file system (see
.\"O .BR stat (2)).
major:minor: ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Î¥Õ¥¡¥¤¥ë¤Î
.I st_dev
¤ÎÃÍ
.RB ( stat (2)
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.TP
(4)
.\"O root: root of the mount within the file system.
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.TP
(5)
.\"O mount point: mount point relative to the process's root.
¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È: ¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Î¤½¤Î¥×¥í¥»¥¹¤Î¥ë¡¼¥È¤«¤é¤ÎÁêÂХѥ¹¡£
.TP
(6)
.\"O mount options: per-mount options.
¥Þ¥¦¥ó¥È¥ª¥×¥·¥ç¥ó: ³Æ¥Þ¥¦¥ó¥È¤Î¥ª¥×¥·¥ç¥ó¡£
.TP
(7)
.\"O optional fields: zero or more fields of the form "tag[:value]".
¥ª¥×¥·¥ç¥ó¥Õ¥£¡¼¥ë¥É: "tag[:value]" ·Á¼°¤Î¥Õ¥£¡¼¥ë¥É¤¬ 0 ¸Ä°Ê¾åʤ֡£
.TP
(8)
.\"O separator: marks the end of the optional fields.
¥»¥Ñ¥ì¡¼¥¿: ¥ª¥×¥·¥ç¥ó¥Õ¥£¡¼¥ë¥É¤Î½ª¤ï¤ê¤ò¼¨¤¹¡£
.TP
(9)
.\"O file system type: name of file system in the form "type[.subtype]".
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¼ïÊÌ: ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î̾Á°¡£
"type[.subtype]" ¤È¤¤¤¦·Á¼°¤È¤Ê¤ë¡£
.TP
(10)
.\"O mount source: file system-specific information or "none".
¥Þ¥¦¥ó¥È¸µ: ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¸ÇÍ­¤Î¾ðÊ󡣤ʤ¤¾ì¹ç¤Ï "none" ¤È¤Ê¤ë¡£
.TP
(11)
.\"O super options: per-super block options.
super options: ¥¹¡¼¥Ñ¡¼¥Ö¥í¥Ã¥¯Ã±°Ì¤Î¥ª¥×¥·¥ç¥ó¡£
.RE
.IP
.\"O Parsers should ignore all unrecognized optional fields.
.\"O Currently the possible optional fields are:
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¸½ºß¤Î¤È¤³¤í¡¢¥ª¥×¥·¥ç¥ó¥Õ¥£¡¼¥ë¥É¤È¤·¤Æ¤Ï°Ê²¼¤Î¤è¤¦¤Ê¤â¤Î¤¬¤¢¤ë¡£
.RS 12
.TP 18
shared:X
.\"O mount is shared in peer group X
¥Þ¥¦¥ó¥È¤Ï¥Ô¥¢¥°¥ë¡¼¥× (peer group) X ¤Ç¶¦Í­¤µ¤ì¤Æ¤¤¤ë¡£
.TP
master:X
.\"O mount is slave to peer group X
¥Þ¥¦¥ó¥È¤Ï¥Ô¥¢¥°¥ë¡¼¥× (peer group) X ¤Î¥¹¥ì¡¼¥Ö¤Ç¤¢¤ë¡£
.TP
propagate_from:X
.\"O mount is slave and receives propagation from peer group X (*)
¥Þ¥¦¥ó¥È¤Ï¥¹¥ì¡¼¥Ö¤Ç¤¢¤ê¡¢¥Ô¥¢¥°¥ë¡¼¥× X (*) ¤«¤é
mount propagation ¤ò¼õ¿®¤¹¤ë¡£
.TP
unbindable
.\"O mount is unbindable
¥Þ¥¦¥ó¥È¤Ï unbind ¤Ç¤­¤Ê¤¤¡£
.RE
.IP
.\"O (*) X is the closest dominant peer group under the process's root.
.\"O If X is the immediate master of the mount,
.\"O or if there is no dominant peer group under the same root,
.\"O then only the "master:X" field is present
.\"O and not the "propagate_from:X" field.
(*) X ¤Ï¡¢¥×¥í¥»¥¹¤Î root ¤Çľ¶á¤Î dominant peer group ¤Ç¤¢¤ë¡£
X ¤¬¥Þ¥¦¥ó¥È¤ÎľÀܤΥޥ¹¥¿¡¼¤Ç¤¢¤ë¾ì¹ç¤ä¡¢
Ʊ¤¸ root ¤Ë dominant peer group ¤¬¤Ê¤¤¾ì¹ç¤Ï¡¢
"master:X" ¥Õ¥£¡¼¥ë¥É¤À¤±¤¬Â¸ºß¤·¡¢
"propagate_from:X" ¥Õ¥£¡¼¥ë¥É¤Ï¸ºß¤·¤Ê¤¤¡£

.\"O For more information on mount propagation see:
.\"O .I Documentation/filesystems/sharedsubtree.txt
.\"O in the kernel source tree.
mount propagation ¤Î¾ÜºÙ¤Ë¤Ä¤¤¤Æ¤Ï¡¢¥«¡¼¥Í¥ë¥½¡¼¥¹¥Ä¥ê¡¼Æâ¤Î
.I Documentation/filesystems/sharedsubtree.txt
¤ò»²¾È¡£
.TP
.\"O .IR /proc/[pid]/mounts " (since Linux 2.4.19)"
.IR /proc/[pid]/mounts " (Linux 2.4.19 °Ê¹ß)"
.\"O This is a list of all the file systems currently mounted in the
.\"O process's mount namespace.
.\"O The format of this file is documented in
.\"O .BR fstab (5).
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¤³¤Î¥Õ¥¡¥¤¥ë¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï
.BR fstab (5)
¤ËºÜ¤Ã¤Æ¤¤¤ë¡£
.\"O Since kernel version 2.6.15, this file is pollable:
.\"O after opening the file for reading, a change in this file
.\"O (i.e., a file system mount or unmount) causes
.\"O .BR select (2)
.\"O to mark the file descriptor as readable, and
.\"O .BR poll (2)
.\"O and
.\"O .BR epoll_wait (2)
.\"O mark the file as having an error condition.
¥«¡¼¥Í¥ë 2.6.15 °Ê¹ß¤Ç¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤ò´Æ»ë¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë (pollable)¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤òÆɤ߽Ф·ÍѤ˥ª¡¼¥×¥ó¤·¤¿¸å¤Ç¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤ËÊѹ¹¤¬¤¢¤ë¤È
(¤Ä¤Þ¤ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Þ¥¦¥ó¥È¤ä¥¢¥ó¥Þ¥¦¥ó¥È¤¬¤¢¤ë¤È)¡¢
.BR select (2)
¤Ç¤Ï¤½¤Î¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤ÏÆɤ߽Ф·²Äǽ¤È¤Ê¤ê¡¢
.BR poll (2)
¤È
.BR epoll_wait (2)
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.TP
.\"O .IR /proc/[pid]/mountstats " (since Linux 2.6.17)"
.IR /proc/[pid]/mountstats " (Linux 2.6.17 °Ê¹ß)"
.\"O This file exports information (statistics, configuration information)
.\"O about the mount points in the process's name space.
.\"O Lines in this file have the form:
¤³¤Î¥Õ¥¡¥¤¥ë¤òÄ̤¸¤Æ¡¢¤½¤Î¥×¥í¥»¥¹¤Î̾Á°¶õ´ÖÆâ¤Î¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ë´Ø¤¹¤ë
³Æ¼ï¾ðÊó (Åý·×¡¢ÀßÄê¾ðÊó) ¤ò»²¾È¤Ç¤­¤ë¡£
¥Õ¥¡¥¤¥ë¤Î³Æ¹Ô¤Ï°Ê²¼¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¤¢¤ë¡£
.nf

device /dev/sda7 mounted on /home with fstype ext3 [statistics]
(       1      )            ( 2 )             (3 ) (4)
.fi
.IP
.\"O The fields in each line are:
³Æ¹Ô¤Î¥Õ¥£¡¼¥ë¥É¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë¡£
.RS 7
.TP 5
(1)
.\"O The name of the mounted device
.\"O (or "nodevice" if there is no corresponding device).
¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¥Ç¥Ð¥¤¥¹Ì¾
(Âбþ¤¹¤ë¥Ç¥Ð¥¤¥¹¤¬¤Ê¤¤¾ì¹ç¤Ï "nodevice" ¤È¤Ê¤ë)¡£
.TP
(2)
.\"O The mount point within the file system tree.
¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥Ä¥ê¡¼¤Ë¤ª¤±¤ë¥Ñ¥¹Ì¾¡£
.TP
(3)
.\"O The file system type.
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¼ïÊÌ¡£
.TP
(4)
.\"O Optional statistics and configuration information.
.\"O Currently (as at Linux 2.6.26), only NFS file systems export
.\"O information via this field.
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¸½ºß¤Î¤È¤³¤í (Linux 2.6.26 »þÅÀ¤Ç¤Ï)¡¢
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.RE
.IP
.\"O This file is only readable by the owner of the process.
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.TP
.\"O .IR /proc/[pid]/numa_maps " (since Linux 2.6.14)"
.IR /proc/[pid]/numa_maps " (Linux 2.6.14 °Ê¹ß)"
.\"O See
.\"O .BR numa (7).
.BR numa (7)
¤ò»²¾È¡£
.TP
.\"O .IR /proc/[pid]/oom_adj " (since Linux 2.6.11)"
.IR /proc/[pid]/oom_adj " (Linux 2.6.11 °Ê¹ß)"
.\"O This file can be used to adjust the score used to select which process
.\"O should be killed in an out-of-memory (OOM) situation.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢¥á¥â¥êÉÔ­ (OOM) ¤Î¾õ¶·²¼¤Ç
¤É¤Î¥×¥í¥»¥¹¤ò»¦¤¹¤Ù¤­¤«¤òÁªÂò¤¹¤ë¤Î¤Ë»ÈÍѤµ¤ì¤ë¥¹¥³¥¢¤ò
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.\"O The kernel uses this value for a bit-shift operation of the process's
.\"O .IR oom_score
.\"O value:
.\"O valid values are in the range \-16 to +15,
.\"O plus the special value \-17,
.\"O which disables OOM-killing altogether for this process.
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.I oom_score
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.\"O A positive score increases the likelihood of this
.\"O process being killed by the OOM-killer;
.\"O a negative score decreases the likelihood.
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.\"O The default value for this file is 0;
.\"O a new process inherits its parent's
.\"O .I oom_adj
.\"O setting.
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.I oom_adj
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.\"O A process must be privileged
.\"O .RB ( CAP_SYS_RESOURCE )
.\"O to update this file.
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.\"O .IR /proc/[pid]/oom_score " (since Linux 2.6.11)"
.IR /proc/[pid]/oom_score " (Linux 2.6.11 °Ê¹ß)"
.\" See mm/oom_kill.c::badness() in the 2.6.25 sources
.\"O This file displays the current score that the kernel gives to
.\"O this process for the purpose of selecting a process
.\"O for the OOM-killer.
.\"O A higher score means that the process is more likely to be
.\"O selected by the OOM-killer.
.\"O The basis for this score is the amount of memory used by the process,
.\"O with increases (+) or decreases (\-) for factors including:
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.\" See mm/oom_kill.c::badness() in the 2.6.25 sources
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.\"O whether the process creates a lot of children using
.\"O .BR fork (2)
.\"O (+);
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.\"O whether the process has been running a long time,
.\"O or has used a lot of CPU time (\-);
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.\"O whether the process has a low nice value (i.e., > 0) (+);
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.\"O whether the process is privileged (\-); and
.\"O .\" More precisely, if it has CAP_SYS_ADMIN or CAP_SYS_RESOURCE
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.\"O whether the process is making direct hardware access (\-).
.\"O .\" More precisely, if it has CAP_SYS_RAWIO
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.\"O The
.\"O .I oom_score
.\"O also reflects the bit-shift adjustment specified by the
.\"O .I oom_adj
.\"O setting for the process.
.I oom_score
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.\" FIXME Describe /proc/[pid]/pagemap
.\"       Added in 2.6.25
.\"       CONFIG_PROC_PAGE_MONITOR
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.I /proc/[pid]/root
.\"O Unix and Linux support the idea of a per-process root of the
.\"O file system, set by the
.\"O .BR chroot (2)
.\"O system call.
.\"O This file is a symbolic link that points to the process's
.\"O root directory, and behaves as exe, fd/*, etc. do.
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.\"O .\" The following was still true as at kernel 2.6.13
.\" °Ê²¼¤ÎÆâÍÆ¤Ï ¥«¡¼¥Í¥ë 2.6.13 ¤Ç¤Ï¤Þ¤ÀÀµ¤·¤¤¡£
.\"O In a multithreaded process, the contents of this symbolic link
.\"O are not available if the main thread has already terminated
.\"O (typically by calling
.\"O .BR pthread_exit (3)).
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.\" FIXME Describe /proc/[pid]/seccomp
.\"       Added in 2.6.12
.\" FIXME Describe /proc/[pid]/sessionid
.\"       Added in 2.6.25; read-only; only readable by real UID
.\"       CONFIG_AUDITSYSCALL
.\" FIXME Describe /proc/[pid]/sched
.\"       Added in 2.6.23
.\"       CONFIG_SCHED_DEBUG, and additional fields if CONFIG_SCHEDSTATS
.\"       Displays various scheduling parameters
.\"       This file can be written, to reset stats
.\" FIXME Describe /proc/[pid]/schedstats and
.\"       /proc/[pid]/task/[tid]/schedstats
.\"       Added in 2.6.9
.\"       CONFIG_SCHEDSTATS
.TP
.\"O .IR /proc/[pid]/smaps " (since Linux 2.6.14)"
.IR /proc/[pid]/smaps " (Linux 2.6.14 °Ê¹ß)"
.\"       CONFIG_PROC_PAGE_MONITOR
.\"O This file shows memory consumption for each of the process's mappings.
.\"O For each of mappings there is a series of lines such as the following:
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08048000-080bc000 r-xp 00000000 03:02 13130      /bin/bash
Size:               464 kB
Rss:                424 kB
Shared_Clean:       424 kB
Shared_Dirty:         0 kB
Private_Clean:        0 kB
Private_Dirty:        0 kB

.fi
.in
.\"O The first of these lines shows the same information as is displayed
.\"O for the mapping in
.\"O .IR /proc/[pid]/maps .
.\"O The remaining lines show the size of the mapping,
.\"O the amount of the mapping that is currently resident in RAM,
.\"O the number of clean and dirty shared pages in the mapping,
.\"O and the number of clean and dirty private pages in the mapping.
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.\"O This file is only present if the
.\"O .B CONFIG_MMU
.\"O kernel configuration
.\"O option is enabled.
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.I /proc/[pid]/stat
.\"O Status information about the process.
.\"O This is used by
.\"O .BR ps (1).
.\"O It is defined in
.\"O .IR /usr/src/linux/fs/proc/array.c "."
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.\"O The fields, in order, with their proper
.\"O .BR scanf (3)
.\"O format specifiers, are:
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\fIpid\fP %d
.\"O The process ID.
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\fIcomm\fP %s
.\"O The filename of the executable, in parentheses.
.\"O This is visible whether or not the executable is swapped out.
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\fIstate\fP %c
.\"O One character from the string "RSDZTW" where R is running, S is
.\"O sleeping in an interruptible wait, D is waiting in uninterruptible
.\"O disk sleep, Z is zombie, T is traced or stopped (on a signal),
.\"O and W is paging.
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W ¤Ï¥Ú¡¼¥¸¥ó¥°Ãæ (paging) ¤òɽ¤·¤Æ¤¤¤ë¡£
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\fIppid\fP %d
.\"O The PID of the parent.
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\fIpgrp\fP %d
.\"O The process group ID of the process.
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\fIsession\fP %d
.\"O The session ID of the process.
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\fItty_nr\fP %d
.\"O The controlling terminal of the process.
.\"O (The minor device number is contained in the combination of bits
.\"O 31 to 20 and 7 to 0;
.\"O the major device number is in bits 15 t0 8.)
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.\"O .\" This field and following, up to and including wchan added 0.99.1
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.\"O The ID of the foreground process group of the controlling
.\"O terminal of the process.
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.\"O \fIflags\fP %u (%lu before Linux 2.6.22)
\fIflags\fP %u (Linux 2.6.22 ¤è¤êÁ°¤Ï %lu)
.\"O The kernel flags word of the process.
.\"O For bit meanings,
.\"O see the PF_* defines in
.\"O .IR <linux/sched.h> .
.\"O Details depend on the kernel version.
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\fIminflt\fP %lu
.\"O The number of minor faults the process has made which have not
.\"O required loading a memory page from disk.
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.\" field 11
\fIcminflt\fP %lu
.\"O The number of minor faults that the process's
.\"O waited-for children have made.
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\fImajflt\fP %lu
.\"O The number of major faults the process has made which have
.\"O required loading a memory page from disk.
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\fIcmajflt\fP %lu
.\"O The number of major faults that the process's
.\"O waited-for children have made.
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\fIutime\fP %lu
.\"O Amount of time that this process has been scheduled in user mode,
.\"O measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
.\"O This includes guest time, \fIguest_time\fP
.\"O (time spent running a virtual CPU, see below),
.\"O so that applications that are not aware of the guest time field
.\"O do not lose that time from their calculations.
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\fIstime\fP %lu
.\"O Amount of time that this process has been scheduled in kernel mode,
.\"O measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
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\fIcutime\fP %ld
.\"O Amount of time that this process's
.\"O waited-for children have been scheduled in user mode,
.\"O measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
.\"O (See also
.\"O .BR times (2).)
.\"O This includes guest time, \fIcguest_time\fP
.\"O (time spent running a virtual CPU, see below).
.\"O motoki: waited-for children ¤ÎÌõ¤Ë¼«¿®¤Ê¤·¡£
¤³¤Î¥×¥í¥»¥¹¤Î»Ò¥×¥í¥»¥¹¤Ç¡¢½ªÎ»ÂÔ¤Á (waited-for) ¤Î¥×¥í¥»¥¹¤¬¡¢
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\fIcstime\fP %ld
.\"O Amount of time that this process's
.\"O waited-for children have been scheduled in kernel mode,
.\"O measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
.\"O motoki: waited-for children ¤ÎÌõ¤Ë¼«¿®¤Ê¤·¡£
¤³¤Î¥×¥í¥»¥¹¤Î»Ò¥×¥í¥»¥¹¤Ç¡¢½ªÎ»ÂÔ¤Á (waited-for) ¤Î¥×¥í¥»¥¹¤¬¡¢
¥«¡¼¥Í¥ë¥â¡¼¥É¤Ç¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¤µ¤ì¤¿»þ´Ö¤Î¹ç·×¡£
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\fIpriority\fP %ld
.\"O (Explanation for Linux 2.6)
(Linux 2.6 ¤Î¾ì¹ç¤ÎÀâÌÀ)
.\"O For processes running a real-time scheduling policy
.\"O .RI ( policy
.\"O below; see
.\"O .BR sched_setscheduler (2)),
.\"O this is the negated scheduling priority, minus one;
.\"O that is, a number in the range \-2 to \-100,
.\"O corresponding to real-time priorities 1 to 99.
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.I policy ;
.BR sched_setscheduler (2)
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¥Þ¥¤¥Ê¥¹¤Ë¤·¤¿ÃÍ) ¤È¤Ê¤ë¡£ÃÍ¤Ï \-2 ¤«¤é \-100 ¤Þ¤Ç¤ÎÈϰϤοôÃͤǡ¢
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.\"O For processes running under a non-real-time scheduling policy,
.\"O this is the raw nice value
.\"O .RB ( setpriority (2))
.\"O as represented in the kernel.
.\"O The kernel stores nice values as numbers
.\"O in the range 0 (high) to 39 (low),
.\"O corresponding to the user-visible nice range of \-20 to 19.
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.\"O Before Linux 2.6, this was a scaled value based on
.\"O the scheduler weighting given to this process.
Linux 2.6 ¤è¤êÁ°¤Ç¤Ï¡¢¤³¤Î¥×¥í¥»¥¹¤Ë³ä¤êÅö¤Æ¤é¤ì¤¿¥¹¥±¥¸¥å¡¼¥ê¥ó¥°
½Å¤ß¤òÊÑ´¹¤·¤¿Ãͤ¬É½¼¨¤µ¤ì¤Æ¤¤¤¿¡£
.\" And back in kernel 1.2 days things were different again.
.TP
\fInice\fP %ld
.\"O The nice value (see
.\"O .BR setpriority (2)),
.\"O a value in the range 19 (low priority) to \-20 (high priority).
nice ÃÍ
.RB ( setpriority (2)
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19 (ºÇÄãÍ¥Àè) ¤«¤é \-20 (ºÇ¹âÍ¥Àè) ¤ÎÈϰϤÎÃͤǤ¢¤ë¡£
.\" Back in kernel 1.2 days things were different.
.TP
.\" .TP
.\" \fIcounter\fP %ld
.\"O .\" The current maximum size in jiffies of the process's next timeslice,
.\"O .\" or what is currently left of its current timeslice, if it is the
.\"O .\" currently running process.
.\" ¤³¤Î¥×¥í¥»¥¹¤¬¸½ºß¼Â¹ÔÃæ¤Ç¤¢¤ë¾ì¹ç¡¢
.\" ¼¡¤Î¥¿¥¤¥à¥¹¥é¥¤¥¹¤Ë¤ª¤±¤ë¸½»þÅÀ¤Ç¤Î¥×¥í¥»¥¹¤ÎºÇÂç»ÈÍÑ»þ´Ö (ñ°Ì jiffies)¡¢
.\" ¤Þ¤¿¤Ï¸½ºß¤Î¥¿¥¤¥à¥¹¥é¥¤¥¹¤Ë¤ª¤±¤ë»Ä¤ê»þ´Ö¤òɽ¤¹¡£
.\" .TP
.\" \fItimeout\fP %u
.\"O .\" The time in jiffies of the process's next timeout.
.\" ¥×¥í¥»¥¹¤Î¼¡¤Î¥¿¥¤¥à¥¢¥¦¥È»þ´Ö(ñ°Ì jiffies)¡£
.\"O .\" timeout was removed sometime around 2.1/2.2
\fInum_threads\fP %ld
.\"O Number of threads in this process (since Linux 2.6).
¤³¤Î¥×¥í¥»¥¹¤Î¥¹¥ì¥Ã¥É¿ô (Linux 2.6 °Ê¹ß)¡£
.\"O Before kernel 2.6, this field was hard coded to 0 as a placeholder
.\"O for an earlier removed field.
¥«¡¼¥Í¥ë 2.6 ¤è¤êÁ°¤Ç¤Ï¡¢¤³¤Î¥Õ¥£¡¼¥ë¥É¤Ïºï½ü¤µ¤ì¤¿¥Õ¥£¡¼¥ë¥É¤Î
¾ì½êËä¤á¤È¤·¤Æ 0 ¤Ë¥Ï¡¼¥É¥³¡¼¥É¤µ¤ì¤Æ¤¤¤¿¡£
.TP
.\" field 21
\fIitrealvalue\fP %ld
.\"O The time in jiffies before the next
.\"O .B SIGALRM
.\"O is sent to the process due to an interval timer.
.\"O Since kernel 2.6.17, this field is no longer maintained,
.\"O and is hard coded as 0.
¥¤¥ó¥¿¡¼¥Ð¥ë¥¿¥¤¥Þ¤Ë¤è¤Ã¤Æ¡¢¼¡¤Ë
.B SIGALRM
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0 ¤Ë¥Ï¡¼¥É¥³¡¼¥É¤µ¤ì¤Æ¤¤¤ë¡£
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.\"O \fIstarttime\fP %llu (was %lu before Linux 2.6)
\fIstarttime\fP %llu (Linux 2.6 ¤è¤êÁ°¤Ï %lu)
.\"O The time in jiffies the process started after system boot.
¥×¥í¥»¥¹¤Îµ¯Æ°»þ¹ï¡£¥·¥¹¥Æ¥à¤¬µ¯Æ°¤·¤¿»þ¹ï¤¬µ¯ÅÀ (ñ°Ì jiffies)¡£
.TP
\fIvsize\fP %lu
.\"O Virtual memory size in bytes.
²¾ÁÛ¥á¥â¥ê¤Î¥µ¥¤¥º¡£Ã±°Ì¤Ï¥Ð¥¤¥È¡£
.TP
\fIrss\fP %ld
.\"O Resident Set Size: number of pages the process has in real memory.
.\"O This is just the pages which
.\"O count towards text, data, or stack space.
.\"O This does not include pages
.\"O which have not been demand-loaded in, or which are swapped out.
Resident Set Size¡£¥×¥í¥»¥¹¤¬»ý¤Ã¤Æ¤¤¤ë¼Â¥á¥â¥ê¾å¤Î¥Ú¡¼¥¸¿ô¡£
¤³¤ì¤Ï¤Á¤ç¤¦¤É¥Æ¥­¥¹¥È¡¢¥Ç¡¼¥¿¡¢¥¹¥¿¥Ã¥¯¶õ´Ö¤Ë»È¤ï¤ì¤Æ¤¤¤ë¥Ú¡¼¥¸¿ô¤Ç¤¢¤ë¡£
¥Ç¥Þ¥ó¥É¥í¡¼¥É¤µ¤ì¤Æ¤¤¤Ê¤¤¥Ú¡¼¥¸¤ä
¥¹¥ï¥Ã¥×¥¢¥¦¥È¤µ¤ì¤¿¥Ú¡¼¥¸¤Î¿ô¤Ï´Þ¤ó¤Ç¤¤¤Ê¤¤¡£
.TP
\fIrsslim\fP %lu
.\"O Current soft limit in bytes on the rss of the process;
.\"O see the description of
.\"O .B RLIMIT_RSS
.\"O in
.\"O .BR getpriority (2).
¤³¤Î¥×¥í¥»¥¹¤Î rss ¤Î¸½ºß¤Î¥½¥Õ¥È¡¦¥ê¥ß¥Ã¥È (¥Ð¥¤¥Èñ°Ì)¡£
.BR getpriority (2)
¤Î
.B RLIMIT_RSS
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\fIstartcode\fP %lu
.\"O The address above which program text can run.
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.TP
\fIendcode\fP %lu
.\"O The address below which program text can run.
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.TP
\fIstartstack\fP %lu
.\"O The address of the start (i.e., bottom) of the stack.
¥¹¥¿¥Ã¥¯¤Î³«»Ï¥¢¥É¥ì¥¹ (¤¹¤Ê¤ï¤Á¡¢¥¹¥¿¥Ã¥¯¤ÎÄì)¡£
.TP
\fIkstkesp\fP %lu
.\"O The current value of ESP (stack pointer), as found in the
.\"O kernel stack page for the process.
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¥×¥í¥»¥¹¤Î¥«¡¼¥Í¥ë¥¹¥¿¥Ã¥¯¥Ú¡¼¥¸¤Ë¤¢¤ë¡£
.TP
\fIkstkeip\fP %lu
.\"O The current EIP (instruction pointer).
¸½ºß¤Î EIP (¥¤¥ó¥¹¥È¥é¥¯¥·¥ç¥ó¥Ý¥¤¥ó¥¿) ¤ÎÃÍ¡£
.TP
.\" field 31
\fIsignal\fP %lu
.\"O The bitmap of pending signals, displayed as a decimal number.
.\"O Obsolete, because it does not provide information on real-time signals; use
.\"O .I /proc/[pid]/status
.\"O instead.
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10 ¿Ê¿ô¤Çɽ¼¨¤µ¤ì¤ë¡£
¤³¤Î¥Õ¥£¡¼¥ë¥É¤ÏÇÑ»ßͽÄê¤Ç¤¢¤ë¡£
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥·¥°¥Ê¥ë¤Ë´Ø¤¹¤ë¾ðÊó¤Ïɽ¼¨¤µ¤ì¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
Âå¤ï¤ê¤Ë
.I /proc/[pid]/status
¤ò»È¤¦¤³¤È¡£
.TP
\fIblocked\fP %lu
.\"O The bitmap of blocked signals, displayed as a decimal number.
.\"O Obsolete, because it does not provide information on real-time signals; use
.\"O .I /proc/[pid]/status
.\"O instead.
¥Ö¥í¥Ã¥¯¤µ¤ì¤¿ (blocked) ¥·¥°¥Ê¥ë¤Î¥Ó¥Ã¥È¥Þ¥Ã¥×¡£
10 ¿Ê¿ô¤Çɽ¼¨¤µ¤ì¤ë¡£
¤³¤Î¥Õ¥£¡¼¥ë¥É¤ÏÇÑ»ßͽÄê¤Ç¤¢¤ë¡£
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥·¥°¥Ê¥ë¤Ë´Ø¤¹¤ë¾ðÊó¤Ïɽ¼¨¤µ¤ì¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
Âå¤ï¤ê¤Ë
.I /proc/[pid]/status
¤ò»È¤¦¤³¤È¡£
.TP
\fIsigignore\fP %lu
.\"O The bitmap of ignored signals, displayed as a decimal number.
.\"O Obsolete, because it does not provide information on real-time signals; use
.\"O .I /proc/[pid]/status
.\"O instead.
̵»ë¤µ¤ì¤¿ (ignored) ¥·¥°¥Ê¥ë¤Î¥Ó¥Ã¥È¥Þ¥Ã¥×¡£
10 ¿Ê¿ô¤Çɽ¼¨¤µ¤ì¤ë¡£
¤³¤Î¥Õ¥£¡¼¥ë¥É¤ÏÇÑ»ßͽÄê¤Ç¤¢¤ë¡£
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥·¥°¥Ê¥ë¤Ë´Ø¤¹¤ë¾ðÊó¤Ïɽ¼¨¤µ¤ì¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
Âå¤ï¤ê¤Ë
.I /proc/[pid]/status
¤ò»È¤¦¤³¤È¡£
.TP
\fIsigcatch\fP %lu
.\"O The bitmap of caught signals, displayed as a decimal number.
.\"O Obsolete, because it does not provide information on real-time signals; use
.\"O .I /proc/[pid]/status
.\"O instead.
Ê᪤µ¤ì¤¿ (caught) ¥·¥°¥Ê¥ë¤Î¥Ó¥Ã¥È¥Þ¥Ã¥×¡£
10 ¿Ê¿ô¤Çɽ¼¨¤µ¤ì¤ë¡£
¤³¤Î¥Õ¥£¡¼¥ë¥É¤ÏÇÑ»ßͽÄê¤Ç¤¢¤ë¡£
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥·¥°¥Ê¥ë¤Ë´Ø¤¹¤ë¾ðÊó¤Ïɽ¼¨¤µ¤ì¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
Âå¤ï¤ê¤Ë
.I /proc/[pid]/status
¤ò»È¤¦¤³¤È¡£
.TP
\fIwchan\fP %lu
.\"O This is the "channel" in which the process is waiting.
.\"O It is the
.\"O address of a system call, and can be looked up in a namelist if you
.\"O need a textual name.
.\"O (If you have an up-to-date
.\"O .IR /etc/psdatabase ,
.\"O then
.\"O try \fIps \-l\fP to see the WCHAN field in action.)
¥×¥í¥»¥¹¤¬ÂԤäƤ¤¤ë¡Ö¥Á¥ã¥Í¥ë¡×¡£
¤³¤ì¤Ï¥·¥¹¥Æ¥à¥³¡¼¥ë¤Î¥¢¥É¥ì¥¹¤Ç¤¢¤ê¡¢Ê¸»ú̾¤¬É¬Íפʤé¤Ð
(¥¢¥É¥ì¥¹¤È¥·¥¹¥Æ¥à¥³¡¼¥ë̾¤È¤Î) Âбþɽ¤«¤é¸«¤Ä¤±¤é¤ì¤ë
(¤â¤·
.I /etc/psdatabase
[ÌõÃí: ¤³¤Î¥Õ¥¡¥¤¥ë̾¤Ï¥Ñ¥Ã¥±¡¼¥¸¤Ë¤è¤ë] ¤ò¹¹¿·¤·¤Æ¤¤¤ë¤Ê¤é¤Ð¡¢
\fIps \-l\fP ¤·¤Æ WCHAN ¥Õ¥£¡¼¥ë¥É¤ò¸«¤è)¡£
.TP
\fInswap\fP %lu
.\" nswap was added in 2.0
.\"O Number of pages swapped (not maintained).
¥¹¥ï¥Ã¥×¤µ¤ì¤¿¥Ú¡¼¥¸¿ô (¥á¥ó¥Æ¥Ê¥ó¥¹¤µ¤ì¤Æ¤¤¤Ê¤¤)¡£
.TP
\fIcnswap\fP %lu
.\" cnswap was added in 2.0
.\"O Cumulative \fInswap\fP for child processes (not maintained).
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.\"O \fIexit_signal\fP %d (since Linux 2.1.22)
\fIexit_signal\fP %d (Linux 2.1.22 °Ê¹ß)
.\"O Signal to be sent to parent when we die.
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.TP
.\"O \fIprocessor\fP %d (since Linux 2.2.8)
\fIprocessor\fP %d (Linux 2.2.8 °Ê¹ß)
.\"O CPU number last executed on.
¤³¤Î¥×¥í¥»¥¹¤òºÇ¸å¤Ë¼Â¹Ô¤·¤¿ CPU ¤ÎÈֹ档
.TP
.\"O \fIrt_priority\fP %u (since Linux 2.5.19; was %lu before Linux 2.6.22)
\fIrt_priority\fP %u (Linux 2.5.19 °Ê¹ß; Linux 2.6.22 ¤è¤êÁ°¤Ï %lu)
.\"O Real-time scheduling priority, a number in the range 1 to 99 for
.\"O processes scheduled under a real-time policy,
.\"O or 0, for non-real-time processes (see
.\"O .BR sched_setscheduler (2)).
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¤ÎÍ¥ÀèÅÙ¡£
¥ê¥¢¥ë¥¿¥¤¥à¡¦¥Ý¥ê¥·¡¼¤Î¸µ¤Ç¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¤µ¤ì¤ë¥×¥í¥»¥¹¤Ç¤Ï
1 ¤«¤é 99 ¤ÎÈϰϤÎÃͤȤʤꡢ
¥ê¥¢¥ë¥¿¥¤¥à°Ê³°¤Î¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¥Ý¥ê¥·¡¼¤Î¥×¥í¥»¥¹¤Ç¤Ï 0 ¤È¤Ê¤ë
.RB ( sched_setscheduler (2)
»²¾È)¡£
.TP
.\" field 41
.\"O \fIpolicy\fP %u (since Linux 2.5.19; was %lu before Linux 2.6.22)
\fIpolicy\fP %u (Linux 2.5.19 °Ê¹ß; Linux 2.6.22 ¤è¤êÁ°¤Ï %lu)
.\"O Scheduling policy (see
.\"O .BR sched_setscheduler (2)).
.\"O Decode using the SCHED_* constants in
.\"O .IR linux/sched.h .
¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¡¦¥Ý¥ê¥·¡¼
.RB ( sched_setscheduler (2)
»²¾È)¡£
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.I linux/sched.h
¤Î SCHED_* Äê¿ô¤ò»È¤Ã¤Æ¥Ç¥³¡¼¥É¤¹¤ì¤Ð¤è¤¤¡£
.TP
.\"O \fIdelayacct_blkio_ticks\fP %llu (since Linux 2.6.18)
\fIdelayacct_blkio_ticks\fP %llu (Linux 2.6.18 °Ê¹ß)
.\"O Aggregated block I/O delays, measured in clock ticks (centiseconds).
(clock tick (100ʬ¤Î1ÉÃ) ñ°Ì¤Ç¤Î) ¥Ö¥í¥Ã¥¯ I/O ¤ÎÁíÃÙ±äÎÌ¡£
.TP
.\"O \fIguest_time\fP %lu (since Linux 2.6.24)
\fIguest_time\fP %lu (Linux 2.6.24 °Ê¹ß)
.\"O Guest time of the process (time spent running a virtual CPU
.\"O for a guest operating system), measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
¥×¥í¥»¥¹¤Î¥²¥¹¥È»þ´Ö (¥²¥¹¥È OS ¤Î²¾ÁÛ CPU ¤ò¼Â¹Ô¤¹¤ë¤Î¤Ë¾ÃÈñ¤µ¤ì¤¿»þ´Ö)¡£
clock tick ñ°Ì¤Ç·×¬¤µ¤ì¤ë
.RI ( sysconf(_SC_CLK_TCK)
¤Ç³ä¤Ã¤¿Ãͤ¬É½¼¨¤µ¤ì¤ë)¡£
.TP
.\"O \fIcguest_time\fP %ld (since Linux 2.6.24)
\fIcguest_time\fP %ld (Linux 2.6.24 °Ê¹ß)
.\"O Guest time of the process's children, measured in clock ticks (divide by
.\"O .IR sysconf(_SC_CLK_TCK) .
¥×¥í¥»¥¹¤Î»Ò¥×¥í¥»¥¹¤Î¥²¥¹¥È»þ´Ö¡£
clock tick ñ°Ì¤Ç·×¬¤µ¤ì¤ë
.RI ( sysconf(_SC_CLK_TCK)
¤Ç³ä¤Ã¤¿Ãͤ¬É½¼¨¤µ¤ì¤ë)¡£
.RE
.TP
.I /proc/[pid]/statm
.\"O Provides information about memory usage, measured in pages.
(¥Ú¡¼¥¸Ã±°Ì¤Ç·×¬¤·¤¿) ¥á¥â¥ê»ÈÍÑÎ̤ˤĤ¤¤Æ¤Î¾ðÊó¤òÄ󶡤¹¤ë¡£
.\"O The columns are:
³ÆÎó¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë¡£
.in +4n
.nf

.\"O size       total program size
.\"O            (same as VmSize in \fI/proc/[pid]/status\fP)
.\"O resident   resident set size
.\"O            (same as VmRSS in \fI/proc/[pid]/status\fP)
.\"O share      shared pages (from shared mappings)
.\"O text       text (code)
.\"O .\" (not including libs; broken, includes data segment)
.\"O lib        library (unused in Linux 2.6)
.\"O data       data + stack
.\"O .\" (including libs; broken, includes library text)
.\"O dt         dirty pages (unused in Linux 2.6)
size       ¥×¥í¥°¥é¥à¥µ¥¤¥º¤ÎÁí·×
           (\fI/proc/[pid]/status\fP ¤Î VmSize ¤ÈƱ¤¸)
resident   ¼Â¥á¥â¥ê¾å¤Ë¸ºß¤¹¤ë¥Ú¡¼¥¸
           (\fI/proc/[pid]/status\fP ¤Î VmRSS ¤ÈƱ¤¸)
share      ¶¦Í­¥Ú¡¼¥¸ (¶¦Í­¥Þ¥Ã¥Ô¥ó¥°¤µ¤ì¤Æ¤¤¤ë¥Ú¡¼¥¸)
text       ¥Æ¥­¥¹¥È (¥³¡¼¥É)
.\" (libs ¤Ï´Þ¤Þ¤ì¤Ê¤¤; ¤ª¤«¤·¤Ê¤³¤È¤Ë¡¢data ¥»¥°¥á¥ó¥È¤Ï´Þ¤Þ¤ì¤ë)
lib        ¥é¥¤¥Ö¥é¥ê (Linux 2.6 ¤Ç¤Ï̤»ÈÍÑ)
data       ¥Ç¡¼¥¿ + ¥¹¥¿¥Ã¥¯
.\" (libs ¤ò´Þ¤à; ¤ª¤«¤·¤Ê¤³¤È¤Ë¡¢library text ¤â´Þ¤Þ¤ì¤ë)
dt         ¥À¡¼¥Æ¥£¥Ú¡¼¥¸ (Linux 2.6 ¤Ç¤Ï̤»ÈÍÑ)
.fi
.in
.TP
.I /proc/[pid]/status
.\"O Provides much of the information in
.\"O .I /proc/[pid]/stat
.\"O and
.\"O .I /proc/[pid]/statm
.\"O in a format that's easier for humans to parse.
.I /proc/[pid]/stat
¤È
.I /proc/[pid]/statm
¤Ë¤¢¤ë¿¤¯¤Î¾ðÊó¤ò¡¢¿Í´Ö¤¬²òÀϤ·¤ä¤¹¤¤·Á¼°¤ÇÄ󶡤¹¤ë¡£
.\"O Here's an example:
°Ê²¼¤ËÎã¤ò¼¨¤¹¡£
.in +4n
.nf

.RB "$" " cat /proc/$$/status"
Name:   bash
State:  S (sleeping)
Tgid:   3515
Pid:    3515
PPid:   3452
TracerPid:      0
Uid:    1000    1000    1000    1000
Gid:    100     100     100     100
FDSize: 256
Groups: 16 33 100
VmPeak:     9136 kB
VmSize:     7896 kB
VmLck:         0 kB
VmHWM:      7572 kB
VmRSS:      6316 kB
VmData:     5224 kB
VmStk:        88 kB
VmExe:       572 kB
VmLib:      1708 kB
VmPTE:        20 kB
Threads:        1
SigQ:   0/3067
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000010000
SigIgn: 0000000000384004
SigCgt: 000000004b813efb
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: ffffffffffffffff
Cpus_allowed:   00000001
Cpus_allowed_list:      0
Mems_allowed:   1
Mems_allowed_list:      0
voluntary_ctxt_switches:        150
nonvoluntary_ctxt_switches:     545
.fi
.in
.IP
.\"O The fields are as follows:
¥Õ¥£¡¼¥ë¥É¤Î¾ÜºÙ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë¡£
.RS
.IP * 2
.IR Name :
.\"O Command run by this process.
¤³¤Î¥×¥í¥»¥¹¤Ë¤è¤ê¼Â¹Ô¤µ¤ì¤¿¥³¥Þ¥ó¥É¡£
.IP *
.IR State :
.\"O Current state of the process.  One of
.\"O "R (running)",
.\"O "S (sleeping)",
.\"O "D (disk sleep)",
.\"O "T (stopped)",
.\"O "T (tracing stop)",
.\"O "Z (zombie)",
.\"O or
.\"O "X (dead)".
¥×¥í¥»¥¹¤Î¸½ºß¤Î¾õÂÖ¡£
"R (running; ¼Â¹ÔÃæ)",
"S (sleeping; µÙ̲¾õÂÖ)",
"D (disk sleep; ¥Ç¥£¥¹¥¯ÂÔ¤Á¤ÎµÙ̲¾õÂÖ)",
"T (stopped; Ää»ß¾õÂÖ)",
"T (tracing stop; ¥È¥ì¡¼¥¹¤Ë¤è¤ëÄä»ß)",
"Z (zombie; ¥¾¥ó¥Ó¾õÂÖ)",
"X (dead; »àË´)"
¤Î¤¤¤º¤ì¤«¤Ç¤¢¤ë¡£
.IP *
.IR Tgid :
.\"O Thread group ID (i.e., Process ID).
¥¹¥ì¥Ã¥É¥°¥ë¡¼¥× ID (¤¹¤Ê¤ï¤Á¡¢¥×¥í¥»¥¹ ID)¡£
.IP *
.IR Pid :
.\"O Thread ID (see
.\"O .BR gettid (2)).
¥¹¥ì¥Ã¥É ID
.RB ( gettid (2)
»²¾È)¡£
.IP *
.IR TracerPid :
.\"O PID of process tracing this process (0 if not being traced).
¤³¤Î¥×¥í¥»¥¹¤ò¥È¥ì¡¼¥¹¤·¤Æ¤¤¤ë¥×¥í¥»¥¹¤Î PID
(¥È¥ì¡¼¥¹¤µ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ï 0)¡£
.IP *
.IR Uid ", " Gid :
.\"O Real, effective, saved set, and file system UIDs (GIDs).
¼Â UID/GID¡¢¼Â¸ú UID/GID¡¢Êݸ set-UID/GID¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à UID/GID¡£
.IP *
.IR FDSize :
.\"O Number of file descriptor slots currently allocated.
¸½ºß³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Î¥¹¥í¥Ã¥È¿ô¡£
.IP *
.IR Groups :
.\"O Supplementary group list.
Êä½õ¥°¥ë¡¼¥×¤Î¥ê¥¹¥È¡£
.IP *
.IR VmPeak :
.\"O Peak virtual memory size.
²¾ÁÛ¥á¥â¥ê¥µ¥¤¥º¤Î¥Ô¡¼¥¯ÃÍ¡£
.IP *
.IR VmSize :
.\"O Virtual memory size.
²¾ÁÛ¥á¥â¥ê¥µ¥¤¥º¡£
.IP *
.IR VmLck :
.\"O Locked memory size (see
.\"O .BR mlock (3)).
¥í¥Ã¥¯¤µ¤ì¤Æ¤¤¤ë¥á¥â¥ê¥µ¥¤¥º
.RB ( mlock (3)
»²¾È)¡£
.IP *
.IR VmHWM :
.\"O Peak resident set size ("high water mark").
¼Â¥á¥â¥ê¾å¤Ë¸ºß¤¹¤ë¥Ú¡¼¥¸¥µ¥¤¥º (resident set size)
¤Î¥Ô¡¼¥¯ÃÍ ("high water mark")¡£
.IP *
.IR VmRSS :
.\"O Resident set size.
¼Â¥á¥â¥ê¾å¤Ë¸ºß¤¹¤ë¥Ú¡¼¥¸¥µ¥¤¥º¡£
.IP *
.IR VmData ", " VmStk ", " VmExe :
.\"O Size of data, stack, and text segments.
¥Ç¡¼¥¿¡¢¥¹¥¿¥Ã¥¯¡¢¥Æ¥­¥¹¥È¥»¥°¥á¥ó¥È¤Î¥µ¥¤¥º¡£
.IP *
.IR VmLib :
.\"O Shared library code size.
¶¦Í­¥é¥¤¥Ö¥é¥ê¡¦¥³¡¼¥É¤Î¥µ¥¤¥º¡£
.IP *
.IR VmPTE :
.\"O Page table entries size (since Linux 2.6.10).
¥Ú¡¼¥¸¡¦¥Æ¡¼¥Ö¥ë¡¦¥¨¥ó¥È¥ê¤Î¥µ¥¤¥º (Linux 2.6.10 °Ê¹ß)¡£
.IP *
.IR Threads :
.\"O Number of threads in process containing this thread.
¤³¤Î¥¹¥ì¥Ã¥É¤¬Â°¤¹¤ë¥×¥í¥»¥¹¤Î¥¹¥ì¥Ã¥É¿ô¡£
.IP *
.IR SigPnd ", " ShdPnd :
.\"O Number of signals pending for thread and for process as a whole (see
.\"O .BR pthreads (7)
.\"O and
.\"O .BR signal (7)).
¥¹¥ì¥Ã¥É°¸¤ª¤è¤Ó¥×¥í¥»¥¹Á´Âΰ¸¤Î½èÍýÂÔ¤Á¥·¥°¥Ê¥ë¤Î¿ô
.RB ( pthreads (7),
.BR signal (7)
»²¾È)¡£
.IP *
.IR SigBlk ", " SigIgn ", " SigCgt :
.\"O Masks indicating signals being blocked, ignored, and caught (see
.\"O .BR signal (7)).
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¼¨¤¹¥Þ¥¹¥¯ÃÍ
.RB ( signal (7))¡£
.IP *
.IR CapInh ", " CapPrm ", " CapEff :
.\"O Masks of capabilities enabled in inheritable, permitted, and effective sets
.\"O (see
.\"O .BR capabilities (7)).
·Ñ¾µ²Äǽ (inheritable)¡¢µö²Ä (permitted)¡¢¼Â¸ú (effective)
¤Î³Æ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¥»¥Ã¥È¤ÇÍ­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤Î¥Þ¥¹¥¯ÃÍ
.RB ( capabilities (7)
»²¾È)¡£
.IP *
.IR CapBnd :
.\"O Capability Bounding set
.\"O (since kernel 2.6.26, see
.\"O .BR capabilities (7)).
¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¡¦¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È
(¥«¡¼¥Í¥ë 2.6.26 °Ê¹ß¡¢
.BR capabilities (7)
»²¾È)¡£
.IP *
.IR Cpus_allowed :
.\"O Mask of CPUs on which this process may run
.\"O (since Linux 2.6.24, see
.\"O .BR cpuset (7)).
¤³¤Î¥×¥í¥»¥¹¤¬¼Â¹Ô¤òµö²Ä¤µ¤ì¤Æ¤¤¤ë CPU ¤Î¥Þ¥¹¥¯ÃÍ
(Linux 2.6.24 °Ê¹ß¡¢
.BR cpuset (7)
»²¾È)¡£
.IP *
.IR Cpus_allowed_list :
.\"O Same as previous, but in "list format"
.\"O (since Linux 2.6.26, see
.\"O .BR cpuset (7)).
Á°¹à¤ÈƱ¤¸¤À¤¬¡¢¡Ö¥ê¥¹¥È·Á¼°¡×¤Ç¤Îɽ¼¨
(Linux 2.6.26 °Ê¹ß¡¢
.BR cpuset (7)
»²¾È)¡£
.IP *
.IR Mems_allowed :
.\"O Mask of memory nodes allowed to this process
.\"O (since Linux 2.6.24, see
.\"O .BR cpuset (7)).
¤³¤Î¥×¥í¥»¥¹¤¬»ÈÍѤǤ­¤ë¥á¥â¥ê¥Î¡¼¥É¤Î¥Þ¥¹¥¯ÃÍ
(Linux 2.6.24 °Ê¹ß¡¢
.BR cpuset (7)
»²¾È)¡£
.IP *
.IR Mems_allowed_list :
.\"O Same as previous, but in "list format"
.\"O (since Linux 2.6.26, see
.\"O .BR cpuset (7)).
Á°¹à¤ÈƱ¤¸¤À¤¬¡¢¡Ö¥ê¥¹¥È·Á¼°¡×¤Ç¤Îɽ¼¨
(Linux 2.6.26 °Ê¹ß¡¢
.BR cpuset (7)
»²¾È)¡£
.IP *
.IR voluntary_context_switches ", " nonvoluntary_context_switches :
.\"O Number of voluntary and involuntary context switches (since Linux 2.6.23).
¼«È¯Åª/Èó¼«È¯Åª¤Ê¥³¥ó¥Æ¥­¥¹¥È¥¹¥¤¥Ã¥Á¤Î²ó¿ô
(Linux 2.6.23 °Ê¹ß)¡£
.RE
.TP
.\"O .IR /proc/[pid]/task " (since Linux 2.6.0-test6)"
.IR /proc/[pid]/task " (Linux 2.6.0-test6 °Ê¹ß)"
.\"O This is a directory that contains one subdirectory
.\"O for each thread in the process.
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤Ï¡¢¤½¤Î¥×¥í¥»¥¹¤Î¥¹¥ì¥Ã¥É¾ðÊó¤ò´Þ¤à
¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤¬ 1 ¥¹¥ì¥Ã¥É¤Ë¤Ä¤­ 1 ¤ÄÃÖ¤«¤ì¤ë¡£
.\"O The name of each subdirectory is the numerical thread ID
.\"O .RI ( [tid] )
.\"O of the thread (see
.\"O .BR gettid (2)).
³Æ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¤Ï¥¹¥ì¥Ã¥É¤Î¥¹¥ì¥Ã¥É ID
.RI ( [tid] )
¤ò¼¨¤¹¿ô»ú¤Ç¤¢¤ë
.BR ( gettid (2)
¤ò»²¾È)¡£
.\"O Within each of these subdirectories, there is a set of
.\"O files with the same names and contents as under the
.\"O .I /proc/[pid]
.\"O directories.
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.I /proc/[pid]
¥Ç¥£¥ì¥¯¥È¥ê°Ê²¼¤ÈƱ¤¸Ì¾Á°¤ÈÆâÍƤΥե¡¥¤¥ë·²¤¬¤¢¤ë¡£
.\"O For attributes that are shared by all threads, the contents for
.\"O each of the files under the
.\"O .I task/[tid]
.\"O subdirectories will be the same as in the corresponding
.\"O file in the parent
.\"O .I /proc/[pid]
.\"O directory
.\"O (e.g., in a multithreaded process, all of the
.\"O .I task/[tid]/cwd
.\"O files will have the same value as the
.\"O .I /proc/[pid]/cwd
.\"O file in the parent directory, since all of the threads in a process
.\"O share a working directory).
¤¹¤Ù¤Æ¤Î¥¹¥ì¥Ã¥É¤Ç¶¦Í­¤µ¤ì¤ë°À­¤Î¾ì¹ç¡¢
.I task/[tid]
¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê°Ê²¼¤Î³Æ¥Õ¥¡¥¤¥ë¤ÎÆâÍƤÏ
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.I /proc/[pid]
¤ÎÂбþ¤¹¤ë¥Õ¥¡¥¤¥ë¤ÈƱ¤¸¤Ë¤Ê¤ë¤³¤È¤À¤í¤¦
(Î㤨¤Ð¡¢¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¡¦¥×¥í¥»¥¹¤Ç¤Ï¥Õ¥¡¥¤¥ë
.I task/[tid]/cwd
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.I /proc/[pid]/cwd
¤ÈƱ¤¸Ãͤò»ý¤Ä¤³¤È¤Ë¤Ê¤ë¡£¤Ê¤¼¤Ê¤é¡¢°ì¤Ä¤Î¥×¥í¥»¥¹¤Ë°¤¹¤¹¤Ù¤Æ¤Î
¥¹¥ì¥Ã¥É¤Ïºî¶È¥Ç¥£¥ì¥¯¥È¥ê¤ò¶¦Í­¤¹¤ë¤«¤é¤Ç¤¢¤ë)¡£
.\"O For attributes that are distinct for each thread,
.\"O the corresponding files under
.\"O .I task/[tid]
.\"O may have different values (e.g., various fields in each of the
.\"O .I task/[tid]/status
.\"O files may be different for each thread).
¥¹¥ì¥Ã¥ÉËè¤ËÆÈΩ¤Ê°À­¤Î¾ì¹ç¡¢
.I task/[tid]
¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê°Ê²¼¤Î³Æ¥Õ¥¡¥¤¥ë¤Ï°Û¤Ê¤ëÃͤò»ý¤Ä¤³¤È¤¬¤¢¤ë
(Î㤨¤Ð¡¢¥Õ¥¡¥¤¥ë
.I task/[tid]/status
¤Ï¥¹¥ì¥Ã¥ÉËè¤Ë°Û¤Ê¤ëÃͤò»ý¤Ä²ÄǽÀ­¤¬¤¢¤ë)¡£

.\"O .\" The following was still true as at kernel 2.6.13
.\" °Ê²¼¤ÎÆâÍÆ¤Ï ¥«¡¼¥Í¥ë 2.6.13 ¤Ç¤Ï¤Þ¤ÀÀµ¤·¤¤¡£
.\"O In a multithreaded process, the contents of the
.\"O .I /proc/[pid]/task
.\"O directory are not available if the main thread has already terminated
.\"O (typically by calling
.\"O .BR pthread_exit (3)).
¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥×¥í¥»¥¹¤Ç¤Ï¡¢¥á¥¤¥ó¥¹¥ì¥Ã¥É¤¬¤¹¤Ç¤Ë½ªÎ»¤·¤Æ¤¤¤ë¾ì¹ç¡¢
.I /proc/[pid]/task
¥Ç¥£¥ì¥¯¥È¥ê¤ÎÆâÍƤϻ²¾È¤Ç¤­¤Ê¤¤
(¥¹¥ì¥Ã¥É¤Î½ªÎ»¤ÏÄ̾ï
.BR pthread_exit (3)
¤ò¸Æ¤Ó½Ð¤·¤Ë¤è¤ê¹Ô¤ï¤ì¤ë)¡£
.TP
.I /proc/apm
.\"O Advanced power management version and battery information when
.\"O .B CONFIG_APM
.\"O is defined at kernel compilation time.
Advanced Power Management ¤Î¥Ð¡¼¥¸¥ç¥ó¤È¥Ð¥Ã¥Æ¥ê¾ðÊó¡£
¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤Ë
.B CONFIG_APM
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.TP
.I /proc/bus
.\"O Contains subdirectories for installed busses.
¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ë³Æ¥Ð¥¹ÍѤ˥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤¬¤¢¤ë¡£
.TP
.I /proc/bus/pccard
.\"O Subdirectory for PCMCIA devices when
.\"O .B CONFIG_PCMCIA
.\"O is set at kernel compilation time.
PCMCIA ¥Ç¥Ð¥¤¥¹¤Î¾ðÊ󤬽ñ¤«¤ì¤ë¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¡£
¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤Ë
.B CONFIG_PCMCIA
¤òÄêµÁ¤·¤¿¤È¤­¤Ë¸ºß¤¹¤ë¡£
.TP
.I /proc/bus/pccard/drivers
.TP
.I /proc/bus/pci
.\"O Contains various bus subdirectories and pseudo-files containing
.\"O information about PCI busses, installed devices, and device
.\"O drivers.
.\"O Some of these files are not ASCII.
¤¤¤¯¤Ä¤«¤Î¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤¬¤¢¤ê¡¢
PCI ¥Ð¥¹¡¦¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ë¥Ç¥Ð¥¤¥¹¡¦
¥Ç¥Ð¥¤¥¹¥É¥é¥¤¥Ð¤Î¾ðÊ󤬽ñ¤«¤ì¤¿²¾ÁÛ¥Õ¥¡¥¤¥ë¤¬¤¢¤ë¡£
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Î¤¦¤Á¤¤¤¯¤Ä¤«¤Ï ASCII ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¤Ï¤Ê¤¤¡£
.TP
.I /proc/bus/pci/devices
.\"O Information about PCI devices.
.\"O They may be accessed through
.\"O .BR lspci (8)
.\"O and
.\"O .BR setpci (8).
PCI ¥Ç¥Ð¥¤¥¹¤Î¾ðÊó¡£
.BR lspci (8)
¤ä
.BR setpci (8)
¤Ç¥¢¥¯¥»¥¹¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.TP
.I /proc/cmdline
.\"O Arguments passed to the Linux kernel at boot time.
.\"O Often done via a boot manager such as
.\"O .BR lilo (8)
.\"O or
.\"O .BR grub (8).
¥Ö¡¼¥È»þ¤Ë Linux ¥«¡¼¥Í¥ë¤ËÅϤµ¤ì¤¿°ú¤­¿ô¡£
°ú¤­¿ô¤Î¼õ¤±ÅϤ·¤Ï¡¢¤¿¤¤¤Æ¤¤
.BR lilo (8)
¤ä
.BR grub (8)
¤È¤¤¤Ã¤¿¥Ö¡¼¥È¥Þ¥Í¡¼¥¸¥ã¤ò»È¤Ã¤Æ¹Ô¤ï¤ì¤ë¡£
.TP
.\"O .IR /proc/config.gz " (since Linux 2.6)"
.IR /proc/config.gz " (Linux 2.6 °Ê¹ß)"
.\"O This file exposes the configuration options that were used
.\"O to build the currently running kernel,
.\"O in the same format as they would be shown in the
.\"O .I .config
.\"O file that resulted when configuring the kernel (using
.\"O .IR "make xconfig" ,
.\"O .IR "make config" ,
.\"O or similar).
¤³¤Î¥Õ¥¡¥¤¥ë¤Ç¤Ï¡¢¸½ºß¼Â¹ÔÃæ¤Î¥«¡¼¥Í¥ë¤Î¹½ÃÛ»þ¤Ë»ÈÍѤµ¤ì¤¿
ÀßÄꥪ¥×¥·¥ç¥ó¤ò»²¾È¤Ç¤­¤ë¡£
½ñ¼°¤Ï¡¢
.RI ( "make xconfig" ,
.IR "make config"
¤Ê¤É¤ò»È¤Ã¤Æ) ¥«¡¼¥Í¥ë¤ÎÀßÄê¤òÊѹ¹¤·¤¿ºÝ¤ËÀ¸À®¤µ¤ì¤ë
.I .config
¥Õ¥¡¥¤¥ë¤Î¤â¤Î¤ÈƱ¤¸¤Ç¤¢¤ë¡£
.\"O The file contents are compressed; view or search them using
.\"O .BR zcat (1),
.\"O .BR zgrep (1),
.\"O etc.
.\"O As long as no changes have been made to the following file,
.\"O the contents of
.\"O .I /proc/config.gz
.\"O are the same as those provided by :
¥Õ¥¡¥¤¥ë¤ÎÆâÍƤϰµ½Ì¤µ¤ì¤Æ¤ª¤ê¡¢
.BR zcat (1),
.BR zgrep (1)
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¥Õ¥¡¥¤¥ë¤¬Êѹ¹¤µ¤ì¤Æ¤¤¤Ê¤¤¸Â¤ê¡¢
.I /proc/config.gz
¤ÎÆâÍƤϼ¡¤Î¥³¥Þ¥ó¥É¤ÇÆÀ¤é¤ì¤ëÆâÍƤÈƱ¤¸¤Ç¤¢¤ë¡£
.in +4n
.nf

cat /lib/modules/$(uname -r)/build/.config
.fi
.in
.IP
.\"O .I /proc/config.gz
.\"O is only provided if the kernel is configured with
.\"O .BR CONFIG_IKCONFIG_PROC .
.I /proc/config.gz
¤¬Ä󶡤µ¤ì¤ë¤Î¤Ï¡¢¥«¡¼¥Í¥ë¤ÎÀßÄê¤Ç
.B CONFIG_IKCONFIG_PROC
¤¬Í­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç¤Î¤ß¤Ç¤¢¤ë¡£
.TP
.I /proc/cpuinfo
.\"O This is a collection of CPU and system architecture dependent items,
.\"O for each supported architecture a different list.
.\"O Two common entries are \fIprocessor\fP which gives CPU number and
.\"O \fIbogomips\fP; a system constant that is calculated
.\"O during kernel initialization.
.\"O SMP machines have information for
.\"O each CPU.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢CPU ¤ª¤è¤Ó¥·¥¹¥Æ¥à¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ë°Í¸¤¹¤ë¹àÌܤò
½¸¤á¤¿¤â¤Î¤Ç¡¢¥ê¥¹¥È¤ÎÆâÍƤϥµ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥¢¡¼¥­¥Æ¥¯¥Á¥ãËè¤Ë°Û¤Ê¤ë¡£
2 ¤Ä¤À¤±¶¦Ä̤ιàÌܤ¬¤¢¤ë¡£
\fIprocessor\fP ¤Ï¥×¥í¥»¥Ã¥µÈÖ¹æ¤Ç¡¢
\fIbogomips\fP ¤Ï¥«¡¼¥Í¥ë¤Î½é´ü²½»þ¤Ë·×»»¤µ¤ì¤ë¥·¥¹¥Æ¥àÄê¿ô¤Ç¤¢¤ë¡£
SMP ¥Þ¥·¥ó¤Ç¤Ï³Æ CPU ¤Ë¤Ä¤¤¤Æ¤Î¾ðÊ󤬽ñ¤«¤ì¤Æ¤¤¤ë¡£
.TP
.I /proc/devices
.\"O Text listing of major numbers and device groups.
.\"O This can be used by MAKEDEV scripts for consistency with the kernel.
¥á¥¸¥ã¡¼¥Ç¥Ð¥¤¥¹ÈÖ¹æ¤È¥Ç¥Ð¥¤¥¹¥°¥ë¡¼¥×¤Î¥Æ¥­¥¹¥È·Á¼°¤Î¥ê¥¹¥È¡£
MAKEDEV ¥¹¥¯¥ê¥×¥È¤Ï¤³¤Î¥Õ¥¡¥¤¥ë¤ò»È¤Ã¤Æ¡¢
¥«¡¼¥Í¥ë¤È¤ÎÀ°¹çÀ­¤òÊݤĤ³¤È¤¬¤Ç¤­¤ë¡£
.TP
.\"O .IR /proc/diskstats " (since Linux 2.5.69)"
.IR /proc/diskstats " (Linux 2.5.69 °Ê¹ß)"
.\"O This file contains disk I/O statistics for each disk device.
.\"O See the kernel source file
.\"O .I Documentation/iostats.txt
.\"O for further information.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï³Æ¥Ç¥£¥¹¥¯¥Ç¥Ð¥¤¥¹¤Î¥Ç¥£¥¹¥¯ I/O Åý·×¾ðÊ󤬽ñ¤«¤ì¤Æ¤¤¤ë¡£
¹¹¤Ë¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥«¡¼¥Í¥ë¥½¡¼¥¹¥Õ¥¡¥¤¥ë
.I Documentation/iostats.txt
¤ò»²¾È¤¹¤ë¤³¤È¡£
.TP
.I /proc/dma
.\"O This is a list of the registered \fIISA\fP DMA (direct memory access)
.\"O channels in use.
ÅÐÏ¿¤µ¤ì¤Æ¤¤¤ë \fIISA\fP DMA (direct memory access) ¥Á¥ã¥Í¥ë¤Î¥ê¥¹¥È¡£
.TP
.I /proc/driver
.\"O Empty subdirectory.
¶õ¤Î¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¡£
.TP
.I /proc/execdomains
.\"O List of the execution domains (ABI personalities).
¼Â¹Ô¥É¥á¥¤¥ó¤Î¥ê¥¹¥È (ABI ¥Ñ¡¼¥½¥Ê¥ê¥Æ¥£)¡£
.TP
.I /proc/fb
.\"O Frame buffer information when
.\"O .B CONFIG_FB
.\"O is defined during kernel compilation.
¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤Ë
.B CONFIG_FB
¤¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¥Õ¥ì¡¼¥à¥Ð¥Ã¥Õ¥¡¤Î¾ðÊ󤬽ñ¤«¤ì¤ë¡£
.TP
.I /proc/filesystems
.\"O A text listing of the file systems which are supported by the kernel,
.\"O namely file systems which were compiled into the kernel or whose kernel
.\"O modules are currently loaded.
.\"O (See also
.\"O .BR filesystems (5).)
.\"O If a file system is marked with "nodev",
.\"O this means that it does not require a block device to be mounted
.\"O (e.g., virtual file system, network file system).
¥«¡¼¥Í¥ë¤¬Âбþ¤·¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Æ¥­¥¹¥È·Á¼°¤Î¥ê¥¹¥È¡£
¥«¡¼¥Í¥ë¤ËÁȤ߹þ¤Þ¤ì¤Æ¥³¥ó¥Ñ¥¤¥ë¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¡¢
¥«¡¼¥Í¥ë¥â¥¸¥å¡¼¥ë¤¬¸½ºß¥í¡¼¥É¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬Îóµó¤µ¤ì¤ë
.RB ( filesystems (5)
»²¾È)¡£
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë "nodev" ¤È¤¤¤¦°õ¤¬ÉÕ¤¤¤Æ¤¤¤ë¾ì¹ç¡¢
¤½¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¥Þ¥¦¥ó¥È¤¹¤ë¤¿¤á¤Î¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤ò
ɬÍפȤ·¤Ê¤¤¤³¤È¤ò°ÕÌ£¤¹¤ë (Î㤨¤Ð¡¢
²¾ÁÛ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¡¢¥Í¥Ã¥È¥ï¡¼¥¯¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ê¤É)¡£

.\"O Incidentally, this file may be used by
.\"O .BR mount (8)
.\"O when no file system is specified and it didn't manage to determine the
.\"O file system type.
.\"O Then file systems contained in this file are tried
.\"O (excepted those that are marked with "nodev").
¤Á¤Ê¤ß¤Ë¡¢¥Þ¥¦¥ó¥È»þ¤Ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬»ØÄꤵ¤ì¤º¡¢
¤É¤¦¤ä¤Ã¤Æ¤â¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¼ïÎà¤òȽÄê¤Ç¤­¤Ê¤«¤Ã¤¿ºÝ¤Ë¡¢
¤³¤Î¥Õ¥¡¥¤¥ë¤ò
.BR mount (8)
¤¬»ÈÍѤ¹¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
¤½¤Î¾ì¹ç¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤Ë´Þ¤Þ¤ì¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬»î¤µ¤ì¤ë
(¤¿¤À¤·¡¢"nodev" ¤Î°õ¤¬¤Ä¤¤¤¿¤â¤Î¤Ï½ü¤¯)¡£
.TP
.I /proc/fs
.\"O Empty subdirectory.
¶õ¤Î¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¡£
.TP
.I /proc/ide
.\"O This directory
.\"O exists on systems with the IDE bus.
.\"O There are directories for each IDE channel and attached device.
.\"O Files include:
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï IDE ¥Ð¥¹¤ò¤â¤Ä¥·¥¹¥Æ¥à¤Ë¸ºß¤¹¤ë¡£
³Æ IDE ¥Á¥ã¥Í¥ë¤È¤½¤ì¤Ë¼è¤êÉÕ¤±¤é¤ì¤Æ¤¤¤ë³Æ¥Ç¥Ð¥¤¥¹¤´¤È¤Ë¥Ç¥£¥ì¥¯¥È¥ê¤¬¤¢¤ê¡¢
°Ê²¼¤Î¥Õ¥¡¥¤¥ë¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¡£

.in +4n
.nf
.\"O cache              buffer size in KB
cache              ¥Ð¥Ã¥Õ¥¡¥µ¥¤¥º (KB)
.\"O capacity           number of sectors
capacity           ¥»¥¯¥¿¿ô
.\"O driver             driver version
driver             ¥É¥é¥¤¥Ð¤Î¥Ð¡¼¥¸¥ç¥ó
.\"O geometry           physical and logical geometry
geometry           ʪÍý¥¸¥ª¥á¥È¥ê¤ÈÏÀÍý¥¸¥ª¥á¥È¥ê
.\"O identify           in hexadecimal
identify           16 ¿Ê¿ôɽµ­
.\"O media              media type
media              ¥á¥Ç¥£¥¢¤Î¥¿¥¤¥×
.\"O model              manufacturer's model number
model              À½Â¤¼Ô¤Î¥â¥Ç¥ëÈÖ¹æ
.\"O settings           drive settings
settings           ¥É¥é¥¤¥Ö¤ÎÀßÄê
.\"O smart_thresholds   in hexadecimal
smart_thresholds   16 ¿Ê¿ôɽµ­
.\"O smart_values       in hexadecimal
smart_values       16 ¿Ê¿ôɽµ­
.fi
.in

.\"O The
.\"O .BR hdparm (8)
.\"O utility provides access to this information in a friendly format.
.BR hdparm (8)
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.I /proc/interrupts
.\"O This is used to record the number of interrupts per CPU per IO device.
.\"O Since Linux 2.6.24,
.\"O for the i386 and x86_64 architectures, at least, this also includes
.\"O interrupts internal to the system (that is, not associated with a device
.\"O as such), such as NMI (nonmaskable interrupt), LOC (local timer interrupt),
.\"O and for SMP systems, TLB (TLB flush interrupt), RES (rescheduling
.\"O interrupt), CAL (remote function call interrupt), and possibly others.
.\"O Very easy to read formatting, done in ASCII.
IO ¥Ç¥Ð¥¤¥¹Ëè¤Î CPU Ê̤γä¤ê¹þ¤ß²ó¿ô¤Îµ­Ï¿¤Ë»È¤ï¤ì¤ë¡£
Linux 2.6.24 °Ê¹ß¡¢¾¯¤Ê¤¯¤È¤â i386 ¤È x86_64 ¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ç¤Ï¡¢
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¥·¥¹¥Æ¥àÆâÉô¤Î³ä¤ê¹þ¤ß¤Ë¤Ï¡¢NMI (nonmaskable interrupt),
LOC (local timer interrupt) ¤ä¡¢SMP ¥·¥¹¥Æ¥à¤Ç¤Ï TLB (TLB flush interrupt),
RES (rescheduling interrupt), CAL (remote function call interrupt)
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´Êñ¤ËÆɤळ¤È¤Î¤Ç¤­¤ë¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¡¢ASCII ¤Çɽµ­¤µ¤ì¤Æ¤¤¤ë¡£
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.I /proc/iomem
.\"O I/O memory map in Linux 2.4.
Linux 2.4 ¤Ë¤ª¤±¤ë I/O ¥á¥â¥ê¥Þ¥Ã¥×¡£
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.I /proc/ioports
.\"O This is a list of currently registered Input-Output port regions that
.\"O are in use.
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.\"O .IR /proc/kallsyms " (since Linux 2.5.71)"
.IR /proc/kallsyms " (Linux 2.5.71 °Ê¹ß)"
.\"O This holds the kernel exported symbol definitions used by the
.\"O .BR modules (X)
.\"O tools to dynamically link and bind loadable modules.
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.BR modules (X)
´Ø·¸¤Î¥Ä¡¼¥ë¤¬¥í¡¼¥À¥Ö¥ë¥â¥¸¥å¡¼¥ë¤òưŪ¤Ë¥ê¥ó¥¯¤·¤¿¤ê
¥Ð¥¤¥ó¥É (bind) ¤¹¤ë¤Î¤Ë»È¤ï¤ì¤ë¡£
.\"O In Linux 2.5.47 and earlier, a similar file with slightly different syntax
.\"O was named
.\"O .IR ksyms .
Linux 2.5.47 °ÊÁ°¤Ç¤Ï¡¢Èù̯¤Ë°Û¤Ê¤ë½ñ¼°¤Î»÷¤¿¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¤¬
.I ksyms
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.I /proc/kcore
.\"O This file represents the physical memory of the system and is stored
.\"O in the ELF core file format.
.\"O With this pseudo-file, and an unstripped
.\"O kernel
.\"O .RI ( /usr/src/linux/vmlinux )
.\"O binary, GDB can be used to
.\"O examine the current state of any kernel data structures.
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¤³¤Îµ¼»÷¥Õ¥¡¥¤¥ë¤È strip ¤µ¤ì¤Æ¤¤¤Ê¤¤¥«¡¼¥Í¥ë¤Î¥Ð¥¤¥Ê¥ê
.RI ( /usr/src/linux/vmlinux )
[ÌõÃí: ¥Ñ¥Ã¥±¡¼¥¸¤Ë°Í¸¤¹¤ë]) ¤¬¤¢¤ì¤Ð¡¢
GDB ¤Ï¥«¡¼¥Í¥ëÆâ¤ÎǤ°Õ¤Î¥Ç¡¼¥¿¹½Â¤¤Î¸½ºß¤Î¾õÂÖ¤òÄ´¤Ù¤é¤ì¤ë¡£

.\"O The total length of the file is the size of physical memory (RAM) plus
.\"O 4KB.
¤³¤Î¥Õ¥¡¥¤¥ë¤ÎÂ礭¤µ¤ÏʪÍý¥á¥â¥ê (RAM) ¤Î¥µ¥¤¥º¤Ë 4KB ¤ò²Ã¤¨¤¿ÃͤǤ¢¤ë¡£
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.I /proc/kmsg
.\"O This file can be used instead of the
.\"O .BR syslog (2)
.\"O system call to read kernel messages.
.\"O A process must have superuser
.\"O privileges to read this file, and only one process should read this
.\"O file.
.\"O This file should not be read if a syslog process is running
.\"O which uses the
.\"O .BR syslog (2)
.\"O system call facility to log kernel messages.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï
.BR syslog (2)
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.BR syslog (2)
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.\"O Information in this file is retrieved with the
.\"O .BR dmesg (1)
.\"O program.
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.BR dmesg (1)
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.IR /proc/ksyms " (Linux 1.1.23-2.5.47)"
.\"O See
.\"O .IR /proc/kallsyms .
.I /proc/kallsyms
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.I /proc/loadavg
.\"O The first three fields in this file are load average figures
.\"O giving the number of jobs in the run queue (state R)
.\"O or waiting for disk I/O (state D) averaged over 1, 5, and 15 minutes.
.\"O They are the same as the load average numbers given by
.\"O .BR uptime (1)
.\"O and other programs.
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1, 5, 15 ʬ¤¢¤¿¤ê¤Î¼Â¹Ô¥­¥å¡¼Æâ (state R) ¤Þ¤¿¤Ï
¥Ç¥£¥¹¥¯ I/O ÂÔ¤Á (state D) ¤Î¥¸¥ç¥Ö¿ô¤òÍ¿¤¨¤ë¡£
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.BR uptime (1)
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.\"O The fourth field consists of two numbers separated by a slash (/).
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.\"O The first of these is the number of currently executing kernel
.\"O scheduling entities (processes, threads);
.\"O this will be less than or equal to the number of CPUs.
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.\"O The value after the slash is the number of kernel scheduling entities
.\"O that currently exist on the system.
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.\"O The fifth field is the PID of the process that was most
.\"O recently created on the system.
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.I /proc/locks
.\"O This file shows current file locks
.\"O .RB ( flock "(2) and " fcntl (2))
.\"O and leases
.\"O .RB ( fcntl (2)).
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.RB ( fcntl (2))
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.\"O .IR /proc/malloc " (only up to and including Linux 2.2)"
.IR /proc/malloc " (Linux 2.2 °ÊÁ°¤Î¤ß)"
.\" It looks like this only ever did something back in 1.0 days
.\"O This file is only present if
.\"O .B CONFIG_DEBUG_MALLOC
.\"O was defined during compilation.
¥³¥ó¥Ñ¥¤¥ë¤Î¤È¤­¤Ë
.B CONFIGDEBUGMALLOC
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.I /proc/meminfo
.\"O This file reports statistics about memory usage on the system.
.\"O It is used by
.\"O .BR free (1)
.\"O to report the amount of free and used memory (both physical and swap)
.\"O on the system as well as the shared memory and buffers used by the
.\"O kernel.
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.BR free (1)
¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤ò»²¾È¤·¡¢
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.I /proc/modules
.\"O A text list of the modules that have been loaded by the system.
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.\"O See also
.\"O .BR lsmod (8).
.BR lsmod (8)
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.I /proc/mounts
.\"O Before kernel 2.4.19, this file was a list
.\"O of all the file systems currently mounted on the system.
.\"O With the introduction of per-process mount namespaces in
.\"O Linux 2.4.19, this file became a link to
.\"O .IR /proc/self/mounts ,
.\"O which lists the mount points of the process's own mount namespace.
.\"O The format of this file is documented in
.\"O .BR fstab (5).
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¤³¤Î¥Õ¥¡¥¤¥ë¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï
.BR fstab (5)
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.I /proc/mtrr
.\"O Memory Type Range Registers.
.\"O See the kernel source file
.\"O .I Documentation/mtrr.txt
.\"O for details.
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.I Documentation/mtrr.txt
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.I /proc/net
.\"O various net pseudo-files, all of which give the status of some part of
.\"O the networking layer.
.\"O These files contain ASCII structures and are,
.\"O therefore, readable with
.\"O .BR cat (1).
.\"O However, the standard
.\"O .BR netstat (8)
.\"O suite provides much cleaner access to these files.
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¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤ÎÆâÍÆ¤Ï ASCII ·Á¼°¤Ê¤Î¤Ç¡¢
.BR cat (1)
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.BR netstat (8)
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.I /proc/net/arp
.\"O This holds an ASCII readable dump of the kernel ARP table used for
.\"O address resolutions.
.\"O It will show both dynamically learned and preprogrammed ARP entries.
.\"O The format is:
¥¢¥É¥ì¥¹²ò·è¤Ë»È¤ï¤ì¤ë¥«¡¼¥Í¥ë¤Î ARP ¥Æ¡¼¥Ö¥ë¤Î
ASCII ²ÄÆɤʥÀ¥ó¥×¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£
ưŪ·ë¹ç¤µ¤ì¤¿¤â¤Î¤È¸ÇÄê (preprogrammed) ¤ÎξÊý¤Î
APP ¥¨¥ó¥È¥ê¤ò¸«¤ë¤³¤È¤¬¤Ç¤­¤ë¡£¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï°Ê²¼¤Î¤È¤ª¤ê:

.nf
.ft CW
.in 8n
IP address     HW type   Flags     HW address          Mask   Device
192.168.0.50   0x1       0x2       00:50:BF:25:68:F3   *      eth0
192.168.0.250  0x1       0xc       00:00:00:00:00:00   *      eth0
.ft
.fi
.in

.\"O Here "IP address" is the IPv4 address of the machine and the "HW type"
.\"O is the hardware type of the address from RFC\ 826.
.\"O The flags are the internal
.\"O flags of the ARP structure (as defined in
.\"O .IR /usr/include/linux/if_arp.h )
.\"O and
.\"O the "HW address" is the data link layer mapping for that IP address if
.\"O it is known.
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HW type ¤Ï¤½¤Î¥¢¥É¥ì¥¹¤Î RFC\ 826 ¤ÇÄê¤á¤é¤ì¤Æ¤¤¤ë¥Ï¡¼¥É¥¦¥§¥¢¤Î·Á¼°¡¢
Flags ¤Ï ARP ¹½Â¤ÂÎ
.RI ( /usr/include/linux/if_arp.h
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.I /proc/net/dev
.\"O The dev pseudo-file contains network device status information.
.\"O This gives
.\"O the number of received and sent packets, the number of errors and
.\"O collisions
.\"O and other basic statistics.
.\"O These are used by the
.\"O .BR ifconfig (8)
.\"O program to report device status.
.\"O The format is:
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¤³¤ì¤ÏÁ÷¼õ¿®¤·¤¿¥Ñ¥±¥Ã¥È¿ô¡¢¥¨¥é¡¼¤È¥³¥ê¥¸¥ç¥ó (collision) ¤Î²ó¿ô¡¢
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¤³¤ì¤é¤Ï
.BR ifconfig (8)
¤¬¥Ç¥Ð¥¤¥¹¤Î¾õÂÖ¤òÊó¹ð¤¹¤ë¤Î¤Ë»È¤ï¤ì¤ë¡£
¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï°Ê²¼¤Î¤È¤ª¤ê:

.nf
.ft CW
.in 1n
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 2776770   11307    0    0    0     0          0         0  2776770   11307    0    0    0     0       0          0
  eth0: 1215645    2751    0    0    0     0          0         0  1782404    4324    0    0    0   427       0          0
  ppp0: 1622270    5552    1    0    0     0          0         0   354130    5669    0    0    0     0       0          0
  tap0:    7714      81    0    0    0     0          0         0     7714      81    0    0    0     0       0          0
.in
.ft
.fi
.\" .TP
.\" .I /proc/net/ipx
.\"O .\" No information.
.\" ¾ðÊó¤Ê¤·¡£
.\" .TP
.\" .I /proc/net/ipx_route
.\"O .\" No information.
.\" ¾ðÊó¤Ê¤·¡£
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.I /proc/net/dev_mcast
.\"O Defined in
.\"O .IR /usr/src/linux/net/core/dev_mcast.c :
.I /usr/src/linux/net/core/dev_mcast.c
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.nf
.in +5
indx interface_name  dmi_u dmi_g dmi_address
2    eth0            1     0     01005e000001
3    eth1            1     0     01005e000001
4    eth2            1     0     01005e000001
.in
.fi
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.I /proc/net/igmp
.\"O Internet Group Management Protocol.
.\"O Defined in
.\"O .IR /usr/src/linux/net/core/igmp.c .
Internet Group Management Protocol (¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥°¥ë¡¼¥×´ÉÍý¥×¥í¥È¥³¥ë)¡£
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.I /proc/net/rarp
.\"O This file uses the same format as the
.\"O .I arp
.\"O file and contains the current reverse mapping database used to provide
.\"O .BR rarp (8)
.\"O reverse address lookup services.
.\"O If RARP is not configured into the
.\"O kernel,
.\"O this file will not be present.
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.I arp
¤ÈƱ¤¸¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç
µÕ¥¢¥É¥ì¥¹²ò·è¥µ¡¼¥Ó¥¹ (reverse address lookup services)
.BR rarp (8)
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.I /proc/net/raw
.\"O Holds a dump of the RAW socket table.
.\"O Much of the information is not of
.\"O use
.\"O apart from debugging.
.\"O The "sl" value is the kernel hash slot for the
.\"O socket,
.\"O the "local_address" is the local address and protocol number pair.
.\"O \&"St" is
.\"O the internal status of the socket.
.\"O The "tx_queue" and "rx_queue" are the
.\"O outgoing and incoming data queue in terms of kernel memory usage.
.\"O The "tr", "tm\->when", and "rexmits" fields are not used by RAW.
.\"O The "uid"
.\"O field holds the effective UID of the creator of the socket.
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\&"local_address" ¤Ï¥í¡¼¥«¥ë¥¢¥É¥ì¥¹¤È¥×¥í¥È¥³¥ëÈÖ¹æ¤Î¥Ú¥¢
[Ìõ¼ÔÄɲÃ: "rem_address" ¤Ï¥ê¥â¡¼¥È¥¢¥É¥ì¥¹¤È¥×¥í¥È¥³¥ëÈÖ¹æ¤Î¥Ú¥¢]¡£
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\&"tx_queue" ¤È "rx_queue" ¤Ï¥«¡¼¥Í¥ë¥á¥â¥ê¤ò¾ÃÈñ¤·¤Æ¤¤¤ë
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.\" .TP
.\" .I /proc/net/route
.\"O .\" No information, but looks similar to
.\"O .\" .BR route (8).
.\" ¾ðÊó¤Ê¤·¡£
.\" .BR route (8)
.\" (¤Î½ÐÎÏ) ¤Î¤è¤¦¤Ë¸«¤¨¤ë¡£
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.I /proc/net/snmp
.\"O This file holds the ASCII data needed for the IP, ICMP, TCP, and UDP
.\"O management
.\"O information bases for an SNMP agent.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï SNMP ¥¨¡¼¥¸¥§¥ó¥È¤¬É¬ÍפȤ¹¤ë
IP, ICMP, TCP, UDP ´ÉÍý¾ðÊó¤ò ASCII ¥Ç¡¼¥¿¤È¤·¤ÆÊÝ»ý¤·¤Æ¤¤¤ë¡£
.TP
.I /proc/net/tcp
.\"O Holds a dump of the TCP socket table.
.\"O Much of the information is not
.\"O of use apart from debugging.
.\"O The "sl" value is the kernel hash slot
.\"O for the socket, the "local_address" is the local address and port number pair.
.\"O The "rem_address" is the remote address and port number pair
.\"O (if connected).
.\"O \&"St" is the internal status of the socket.
.\"O The "tx_queue" and "rx_queue" are the
.\"O outgoing and incoming data queue in terms of kernel memory usage.
.\"O The "tr", "tm\->when", and "rexmits" fields hold internal information of
.\"O the kernel socket state and are only useful for debugging.
.\"O The "uid"
.\"O field holds the effective UID of the creator of the socket.
TCP ¥½¥±¥Ã¥È¥Æ¡¼¥Ö¥ë¤Î¥À¥ó¥×¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£
ÂçÉôʬ¤Î¾ðÊó¤Ï¥Ç¥Ð¥Ã¥°°Ê³°¤Ë¤Ï»È¤ï¤ì¤Ê¤¤¡£
sl ¤Ï¥½¥±¥Ã¥È¤Î¥«¡¼¥Í¥ë¥Ï¥Ã¥·¥å¥¹¥í¥Ã¥È¤ÎÃÍ¡¢
\&"local_address" ¤Ï¥í¡¼¥«¥ë¥¢¥É¥ì¥¹¤È¥Ý¡¼¥ÈÈÖ¹æ¤Î¥Ú¥¢¤Ç¤¢¤ë¡£
(¥½¥±¥Ã¥È¤¬Àܳ¤·¤Æ¤¤¤ë¾ì¹ç¤Ï)
\&"rem_address" ¤Ï¥ê¥â¡¼¥È¥¢¥É¥ì¥¹¤È¥Ý¡¼¥ÈÈÖ¹æ¤ÎÂФǤ¢¤ë¡£
\&"st" ¤Ï¥½¥±¥Ã¥È¤ÎÆâÉô¾õÂ֤Ǥ¢¤ë¡£
\&"tx_queue" ¤È "rx_queue" ¤Ï¥«¡¼¥Í¥ë¥á¥â¥ê¤ò¾ÃÈñ¤·¤Æ¤¤¤ë
Á÷¿®/¼õ¿®¥Ç¡¼¥¿¥­¥å¡¼¤Î¥µ¥¤¥º¡£
\&"tr" ¤È "tm\->when" ¤È "rexmits" ¥Õ¥£¡¼¥ë¥É¤Ï¥½¥±¥Ã¥È¾õÂ֤Υ«¡¼¥Í¥ë
ÆâÉô¾ðÊó¤òÊÝ»ý¤·¤Æ¤¤¤ë¤¬¡¢¤³¤ì¤é¤Ï¥Ç¥Ð¥Ã¥°¤Î¤È¤­¤Ë¤·¤«Ìò¤ËΩ¤¿¤Ê¤¤¡£
\&"uid" ¥Õ¥£¡¼¥ë¥É¤Ï¥½¥±¥Ã¥ÈÀ¸À®¼Ô¤Î¼Â¸ú UID ¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£
.TP
.I /proc/net/udp
.\"O Holds a dump of the UDP socket table.
.\"O Much of the information is not of
.\"O use apart from debugging.
.\"O The "sl" value is the kernel hash slot for the
.\"O socket, the "local_address" is the local address and port number pair.
.\"O The "rem_address" is the remote address and port number pair
.\"O (if connected). "St" is the internal status of the socket.
.\"O The "tx_queue" and "rx_queue" are the outgoing and incoming data queue
.\"O in terms of kernel memory usage.
.\"O The "tr", "tm\->when", and "rexmits" fields
.\"O are not used by UDP.
.\"O The "uid"
.\"O field holds the effective UID of the creator of the socket.
.\"O The format is:
UDP ¥½¥±¥Ã¥È¥Æ¡¼¥Ö¥ë¤Î¥À¥ó¥×¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£
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sl ¤Ï¥½¥±¥Ã¥È¤Î¥«¡¼¥Í¥ë¥Ï¥Ã¥·¥å¥¹¥í¥Ã¥È¤ÎÃÍ¡¢
"local_address" ¤Ï¥í¡¼¥«¥ë¥¢¥É¥ì¥¹¤È¥Ý¡¼¥ÈÈÖ¹æ¤Î¥Ú¥¢¤Ç¤¢¤ë¡£
(¥½¥±¥Ã¥È¤¬Àܳ¤·¤Æ¤¤¤ë¾ì¹ç¤Ï)
"rem_address" ¤Ï¥ê¥â¡¼¥È¥¢¥É¥ì¥¹¤È¥Ý¡¼¥ÈÈÖ¹æ¤Î¥Ú¥¢¤Ç¤¢¤ë¡£
"st" ¤Ï¥½¥±¥Ã¥È¤ÎÆâÉô¾õÂ֤Ǥ¢¤ë¡£
"tx_queue" ¤È "rx_queue" ¤Ï¥«¡¼¥Í¥ë¥á¥â¥ê¤ò¾ÃÈñ¤·¤Æ¤¤¤ë
Á÷¿®/¼õ¿®¥Ç¡¼¥¿¥­¥å¡¼¤Î¥µ¥¤¥º¡£
"tr" ¤È "tm\->when" ¤È "rexmits" ¥Õ¥£¡¼¥ë¥É¤Ï UDP ¤Ç¤Ï»È¤ï¤ì¤Æ¤¤¤Ê¤¤¡£
"uid" ¥Õ¥£¡¼¥ë¥É¤Ï¥½¥±¥Ã¥ÈÀ¸À®¼Ô¤Î¼Â¸ú UID ¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£
¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï°Ê²¼¤Î¤È¤ª¤ê:

.nf
.ft CW
.in 1n
sl  local_address rem_address   st tx_queue rx_queue tr rexmits  tm\->when uid
 1: 01642C89:0201 0C642C89:03FF 01 00000000:00000001 01:000071BA 00000000 0
 1: 00000000:0801 00000000:0000 0A 00000000:00000000 00:00000000 6F000100 0
 1: 00000000:0201 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0
.in
.ft
.fi
.TP
.I /proc/net/unix
.\"O Lists the Unix domain sockets present within the system and their
.\"O status.
.\"O The format is:
Unix ¥É¥á¥¤¥ó¥½¥±¥Ã¥È¤Î¥ê¥¹¥È¡£
¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï°Ê²¼¤Î¤È¤ª¤ê:
.nf
.sp .5
.ft CW
Num RefCount Protocol Flags    Type St Path
 0: 00000002 00000000 00000000 0001 03
 1: 00000001 00000000 00010000 0001 01 /dev/printer
.ft
.sp .5
.fi

.\"O Here "Num" is the kernel table slot number, "RefCount" is the number
.\"O of users of the socket, "Protocol" is currently always 0, "Flags"
.\"O represent the internal kernel flags holding the status of the
.\"O socket.
.\"O Currently, type is always "1" (Unix domain datagram sockets are
.\"O not yet supported in the kernel).
.\"O \&"St" is the internal state of the
.\"O socket and Path is the bound path (if any) of the socket.
¤³¤³¤Ç¡¢Num ¤Ï¥«¡¼¥Í¥ë¤Î¥Æ¡¼¥Ö¥ë¥¹¥í¥Ã¥È¿ô¡¢
RefCount ¤Ï¥½¥±¥Ã¥È¤ò»ÈÍѤ·¤Æ¤¤¤ë¥æ¡¼¥¶¡¼¿ô¡¢
Protocol ¤Ï¤¤¤Þ¤Î¤È¤³¤í¤¤¤Ä¤â 0 ¤Ç¡¢Flags ¤Ï¥½¥±¥Ã¥È¤Î¾õÂÖ¤òÊÝ»ý¤·¤Æ¤¤¤ë
¥«¡¼¥Í¥ëÆâÉô¤Î¥Õ¥é¥°¤Ç¤¢¤ë¡£
Type ¤Ï¤¤¤Þ¤Î¤È¤³¤í¤¤¤Ä¤â 1
(UNIX ¥É¥á¥¤¥ó¤Î¥Ç¡¼¥¿¥°¥é¥à¥½¥±¥Ã¥È¤Ï¡¢¸½ºß¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Ê¤¤
[ÌõÃí: 2.0.34 ¤Ç¤Ï¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¤è¤¦¤À])¡£
St ¤Ï¥½¥±¥Ã¥È¤ÎÆâÉô¾õÂ֤ǡ¢Path ¤Ï (¤â¤·¤¢¤ì¤Ð) ¥½¥±¥Ã¥È¤Î¥Ñ¥¹Ì¾¤Ç¤¢¤ë¡£
.TP
.I /proc/partitions
.\"O Contains major and minor numbers of each partition as well as number
.\"O of blocks and partition name.
³Æ¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Î¥á¥¸¥ã¡¼ÈÖ¹æ¤È¥Þ¥¤¥Ê¡¼Èֹ椬½ñ¤«¤ì¤Æ¤¤¤ë¡£
¤µ¤é¤Ë¡¢¥Ö¥í¥Ã¥¯¿ô¤È¥Ñ¡¼¥Æ¥£¥·¥ç¥ó̾¤â½ñ¤«¤ì¤Æ¤¤¤ë¡£
.TP
.I /proc/pci
.\"O This is a listing of all PCI devices found during kernel initialization
.\"O and their configuration.
¥«¡¼¥Í¥ë¤Î½é´ü²½»þ¤Ë¸«¤Ä¤«¤Ã¤¿¤¹¤Ù¤Æ¤Î PCI ¥Ç¥Ð¥¤¥¹¤Î¥ê¥¹¥È¤È
¤½¤ÎÀßÄê¡£

.\"O This file has been deprecated in favor of a new
.\"O .I /proc
.\"O interface for PCI
.\"O .RI ( /proc/bus/pci ).
.\"O It became optional in Linux 2.2 (available with
.\"O .B CONFIG_PCI_OLD_PROC
.\"O set at kernel compilation).
.\"O It became once more nonoptionally enabled in Linux 2.4.
.\"O Next, it was deprecated in Linux 2.6 (still available with
.\"O .B CONFIG_PCI_LEGACY_PROC
.\"O set), and finally removed altogether since Linux 2.6.17.
¤³¤Î¥Õ¥¡¥¤¥ë¤ÏÈó¿ä¾©¤Ç¤¢¤ê¡¢¿·¤·¤¤ PCI ÍѤÎ
.I /proc
¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹
.RI ( /proc/bus/pci )
¤ò»È¤¦¤³¤È¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï Linux 2.2 ¤Ç¥ª¥×¥·¥ç¥ó¤Ë¤Ê¤Ã¤¿ (¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë»þ¤Ë
.B CONFIG_PCI_OLD_PROC
¤ò¥»¥Ã¥È¤¹¤ë¤ÈÍøÍѲÄǽ¤Ç¤¢¤Ã¤¿)¡£
Linux 2.4 ¤ÇºÆ¤Ó¥ª¥×¥·¥ç¥ó¤Ê¤·¤ÇÍ­¸ú¤ËÌá¤Ã¤¿¡£
¤µ¤é¤Ë¡¢Linux 2.6 ¤ÇÈó¿ä¾©¤È¤Ê¤ê
.RB ( CONFIG_PCI_LEGACY_PROC
¤ò¥»¥Ã¥È¤¹¤ë¤È¤Þ¤ÀÍøÍѲÄǽ¤Ç¤¢¤Ã¤¿)¡¢
ºÇ½ªÅª¤Ë Linux 2.6.17 °Ê¹ß¤Ç´°Á´¤Ëºï½ü¤µ¤ì¤¿¡£
.\" FIXME /proc/sched_debug
.\" .TP
.\" .IR /proc/sched_debug " (since Linux 2.6.23)"
.\" See also /proc/[pid]/sched
.TP
.I /proc/scsi
.\"O A directory with the
.\"O .I scsi
.\"O mid-level pseudo-file and various SCSI low-level
.\"O driver directories,
.\"O which contain a file for each SCSI host in this system, all of
.\"O which give the status of some part of the SCSI IO subsystem.
.\"O These files contain ASCII structures and are, therefore, readable with
.\"O .BR cat (1).
.I scsi
Ãæ´Ö¥ì¥Ù¥ëµ¼»÷¥Õ¥¡¥¤¥ë¤È¤¤¤¯¤Ä¤«¤Î SCSI Äã¥ì¥Ù¥ë¥É¥é¥¤¥Ð¤Î
¥Ç¥£¥ì¥¯¥È¥ê¤ò´Þ¤à¥Ç¥£¥ì¥¯¥È¥ê¡£
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ï ASCII ¤Çɽ¸½¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç
.BR cat (1)
¤ÇÆɤá¤ë¡£

.\"O You can also write to some of the files to reconfigure the subsystem or
.\"O switch certain features on or off.
¤¤¤¯¤Ä¤«¤Î¥Õ¥¡¥¤¥ë¤Ï½ñ¤­¹þ¤ß²Äǽ¤Ç¡¢¥µ¥Ö¥·¥¹¥Æ¥à¤ÎÀßÄê¤òÊѹ¹¤·¤¿¤ê¡¢
ÆÃÄê¤Îµ¡Ç½¤ò¥ª¥ó/¥ª¥Õ¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.TP
.I /proc/scsi/scsi
.\"O This is a listing of all SCSI devices known to the kernel.
.\"O The listing is similar to the one seen during bootup.
.\"O scsi currently supports only the \fIadd-single-device\fP command which
.\"O allows root to add a hotplugged device to the list of known devices.
¥«¡¼¥Í¥ë¤¬ÃΤäƤ¤¤ë¤¹¤Ù¤Æ¤Î SCSI ¥Ç¥Ð¥¤¥¹¤Î¥ê¥¹¥È¡£
¤³¤Î¥ê¥¹¥È¤Ïµ¯Æ°»þ¤Ë (¥³¥ó¥½¡¼¥ë¤Ç) ¸«¤é¤ì¤ë¤â¤Î¤È¤Û¤ÜƱ¤¸¤Ç¤¢¤ë¡£
scsi ¤Ï¸½ºß¤Î¤È¤³¤í \fIadd-single-device\fP ¥³¥Þ¥ó¥É¤Î¤ß¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¡£
¤³¤ì¤Ë¤è¤ê¥ë¡¼¥È (root) ¤Ï´ûÃΤΥǥХ¤¥¹¥ê¥¹¥È¤Ø³èÀþÁÞÈ´ (hotplugged)
¥Ç¥Ð¥¤¥¹¤ò²Ã¤¨¤ë¤³¤È¤¬¤Ç¤­¤ë¡£

.\"O The command
.\"O .in +4n
.\"O .nf
.\"O 
.\"O echo \(aqscsi add-single-device 1 0 5 0\(aq > /proc/scsi/scsi
.\"O 
.\"O .fi
.\"O .in
.\"O will cause
.\"O host scsi1 to scan on SCSI channel 0 for a device on ID 5 LUN 0.
.\"O If there
.\"O is already a device known on this address or the address is invalid, an
.\"O error will be returned.
¼¡¤Î¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤È¡¢
.in +4n
.nf

echo \(aqscsi add-single-device 1 0 5 0\(aq > /proc/scsi/scsi
 
.fi
.in
¥Û¥¹¥È¥¢¥À¥×¥¿ scsi1 ¤Ï SCSI ¥Á¥ã¥Í¥ë 0 ¤Ç
ID 5 LUN 0 ¤Î¥Ç¥Ð¥¤¥¹¤òõ¤¹¡£
¤â¤·¤³¤Î¥¢¥É¥ì¥¹¤Ë´ûÃΤΥǥХ¤¥¹¤¬¤¢¤ë¤«¡¢
ÉÔÀµ¤Ê¥¢¥É¥ì¥¹¤Ç¤¢¤Ã¤¿¤Ê¤é¤Ð¥¨¥é¡¼¤¬Ê֤롣
.TP
.I /proc/scsi/[drivername]
.\"O \fI[drivername]\fP can currently be NCR53c7xx, aha152x, aha1542, aha1740,
.\"O aic7xxx, buslogic, eata_dma, eata_pio, fdomain, in2000, pas16, qlogic,
.\"O scsi_debug, seagate, t128, u15-24f, ultrastore, or wd7000.
.\"O These directories show up for all drivers that registered at least one
.\"O SCSI HBA.
.\"O Every directory contains one file per registered host.
.\"O Every host-file is named after the number the host was assigned during
.\"O initialization.
¤¤¤Þ¤Î¤È¤³¤í \fI[drivername]\fP ¤Ï NCR53c7xx, aha152x, aha1542, aha1740,
aic7xxx, buslogic, eata_dma, eata_pio, fdomain, in2000, pas16, qlogic,
scsi_debug, seagate, t128, u15-24f, ultrastore, wd7000
¤Î¤É¤ì¤«¤Ç¤¢¤ë¡£
¾¯¤Ê¤¯¤È¤â 1 ¤Ä¤Î SCSI ¥Û¥¹¥È¥Ð¥¹¥¢¥À¥×¥¿ (HBA) ¤Ë
¥É¥é¥¤¥Ð¤¬³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤ë¤È¡¢¤½¤Î¥É¥é¥¤¥Ð¤ËÂбþ¤·¤¿¥Ç¥£¥ì¥¯¥È¥ê¤¬¸½¤ì¤ë¡£
¤½¤ì¤¾¤ì¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤Ï¡¢
ÅÐÏ¿¤µ¤ì¤¿¥Û¥¹¥È¥¢¥À¥×¥¿¤ËÂбþ¤·¤Æ¥Õ¥¡¥¤¥ë¤¬ºî¤é¤ì¤ë¡£
¤³¤Î¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ï¡¢¥·¥¹¥Æ¥à¤Î½é´ü²½¤ÎºÝ¤Ë
¥Û¥¹¥È¥¢¥À¥×¥¿¤Ë³ä¤êÅö¤Æ¤é¤ì¤¿ÈÖ¹æ¤Ë¤Ê¤ë¡£

.\"O Reading these files will usually show driver and host configuration,
.\"O statistics, etc.
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤òÆɤá¤Ð¥É¥é¥¤¥Ð¤È¥Û¥¹¥È¥¢¥À¥×¥¿¤ÎÀßÄê¤ä
Åý·×¤Ê¤É¤ò¸«¤ë¤³¤È¤¬¤Ç¤­¤ë¡£

.\"O Writing to these files allows different things on different hosts.
.\"O For example, with the \fIlatency\fP and \fInolatency\fP commands,
.\"O root can switch on and off command latency measurement code in the
.\"O eata_dma driver.
.\"O With the \fIlockup\fP and \fIunlock\fP commands,
.\"O root can control bus lockups simulated by the scsi_debug driver.
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ø¤Î½ñ¤­¹þ¤ß¤Ï¥Û¥¹¥È¥¢¥À¥×¥¿¤´¤È¤Ë°Û¤Ê¤ëÆ°ºî¤ò°ú¤­µ¯¤³¤¹¡£
¤¿¤È¤¨¤Ð \fIlatency\fP ¤È \fInolatency\fP ¥³¥Þ¥ó¥É¤òÍѤ¤¤ë¤È¡¢
¥ë¡¼¥È (root¡¢¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼) ¤Ï eata_dma ¥É¥é¥¤¥Ð¤Î±£¤·Â¬Äꥳ¡¼¥É¤Î
¥ª¥ó/¥ª¥Õ¤òÀÚ¤êÂؤ¨¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
¤Þ¤¿ \fI lockup\fP ¤È \fIunlock\fP ¥³¥Þ¥ó¥É¤òÍѤ¤¤ë¤È¡¢¥ë¡¼¥È¤Ï
scsi_debug ¥É¥é¥¤¥Ð¤¬¥·¥ß¥å¥ì¡¼¥È¤¹¤ë¥Ð¥¹¥í¥Ã¥¯¥¢¥Ã¥× (bus lockup) ¤ò
À©¸æ¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.TP
.I /proc/self
.\"O This directory refers to the process accessing the
.\"O .I /proc
.\"O file system,
.\"O and is identical to the
.\"O .I /proc
.\"O directory named by the process ID of the same process.
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï¥×¥í¥»¥¹¤Ë (¥×¥í¥»¥¹¼«¿È¤Î)
.I /proc
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ø¤Î¥¢¥¯¥»¥¹¤ò»²¾È¤µ¤»¤ë¡£
¤³¤ì¤Ï
.I /proc
Æâ¤Î (¤³¤Î¥×¥í¥»¥¹¤Î) ¥×¥í¥»¥¹ ID ¤¬Ì¾Á°¤È¤Ê¤Ã¤Æ¤¤¤ë
¥Ç¥£¥ì¥¯¥È¥ê¤ÈÁ´¤¯Æ±°ì¤Ç¤¢¤ë¡£
.TP
.I /proc/slabinfo
.\"O Information about kernel caches.
.\"O Since Linux 2.6.16 this file is only present if the
.\"O .B CONFIG_SLAB
.\"O kernel configuration option is enabled.
Linux 2.6.16 °Ê¹ß¤Ç¤Ï¡¢
¥«¡¼¥Í¥ëÀßÄꥪ¥×¥·¥ç¥ó
.B CONFIG_SLAB
¤¬Í­¸ú¤Î¾ì¹ç¤Ë¤Î¤ß¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¸ºß¤¹¤ë¡£
.\"O The columns in
.\"O .I /proc/slabinfo
.\"O are:
¥«¡¼¥Í¥ë¥­¥ã¥Ã¥·¥å¤Î¾ðÊó¡£
.I /proc/slabinfo
¤Î¥Õ¥£¡¼¥ë¥É¤Ï°Ê²¼¤Î¤È¤ª¤ê¡£
.in +4n
.nf

cache-name
num-active-objs
total-objs
object-size
num-active-slabs
total-slabs
num-pages-per-slab
.fi
.in

.\"O See
.\"O .BR slabinfo (5)
.\"O for details.
¾ÜºÙ¤Ï
.BR slabinfo (5)
¤ò»²¾È¤¹¤ë¤³¤È¡£
.TP
.I /proc/stat
.\"O kernel/system statistics.
.\"O Varies with architecture.
.\"O Common
.\"O entries include:
¥«¡¼¥Í¥ë/¥·¥¹¥Æ¥à¤ÎÅý·×¡£
¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ë¤è¤Ã¤Æ°Û¤Ê¤ë¡£
¶¦ÄÌ¥¨¥ó¥È¥ê¤Ë¤Ï°Ê²¼¤Î¤â¤Î¤¬´Þ¤Þ¤ì¤ë¡£
.RS
.TP
\fIcpu  3357 0 4313 1362393\fP
.\"O The amount of time, measured in units of
.\"O USER_HZ (1/100ths of a second on most architectures, use
.\"O .IR sysconf(_SC_CLK_TCK)
.\"O to obtain the right value),
.\"O .\" 1024 on Alpha and ia64
.\"O that the system spent in user mode,
.\"O user mode with low priority (nice), system mode, and the
.\"O idle task, respectively.
.\"O .\" FIXME Actually, the following info about the /proc/stat 'cpu' field
.\"O .\"       does not seem to be quite right (at least in 2.6.12)
.\"O The last value should be USER_HZ times the
.\"O second entry in the uptime pseudo-file.
¥æ¡¼¥¶¡¼¥â¡¼¥É¡¢
Ä㤤ͥÀèÅÙ (nice) ¤Ç¤Î¥æ¡¼¥¶¡¼¥â¡¼¥É¡¢
¥·¥¹¥Æ¥à¥â¡¼¥É¡¢
¥¿¥¹¥¯ÂÔ¤Á (idle task)¡¢
¤Ç¤½¤ì¤¾¤ì¥·¥¹¥Æ¥à¤¬¾ÃÈñ¤·¤¿»þ´Ö¤ò
USER_HZ ¤òñ°Ì¤È¤·¤Æ·×¬¤·¤¿ÀÑ»»ÃÍ¡£
(¤Û¤È¤ó¤É¤Î¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ç¤Ï USER_HZ ¤Ï 1/100 ÉäǤ¢¤ë¡£
Àµ¤·¤¤ÃͤÏ
.I sysconf(_SC_CLK_TCK)
¤ò»È¤Ã¤Æ¼èÆÀ¤Ç¤­¤ë¡£)
.\" Alpha ¤È ia64 ¤Ç¤Ï 1024 ¤Ç¤¢¤ë¡£
.\" FIXME: ¼ÂºÝ¤Ë¤Ï¡¢/proc/stat ¤Î 'cpu' ¥Õ¥£¡¼¥ë¥É¤Ë¤Ä¤¤¤Æ¤Î°Ê²¼¤Î¾ðÊó¤Ï
.\"        Àµ¤·¤¤¤È¤Ï¸À¤¨¤Ê¤¤¤è¤¦¤Ç¤¢¤ë (¾¯¤Ê¤¯¤È¤â 2.6.12 ¤Ç¤Ï)¡£
ºÇ¸å¤ÎÃÍ (¥¿¥¹¥¯ÂÔ¤Á) ¤Ïµ¿»÷¥Õ¥¡¥¤¥ë uptime ¤Î 2ÈÖÌܤΥ¨¥ó¥È¥ê¤ÎÃͤò
USER_HZ Çܤ·¤¿¤â¤Î¤Ç¤¢¤ë¡£

.\"O In Linux 2.6 this line includes three additional columns:
.\"O .I iowait
.\"O \- time waiting for I/O to complete (since 2.5.41);
.\"O .I irq
.\"O \- time servicing interrupts (since 2.6.0-test4);
.\"O .I softirq
.\"O \- time servicing softirqs (since 2.6.0-test4).
Linux 2.6 ¤Ç¤Ï¡¢¤³¤Î¹Ô¤Ë 3¤Ä¤ÎÍó¤¬Äɲ䵤ì¤Æ¤¤¤ë:
.I iowait
(I/O ¤Î´°Î»¤òÂԤäƤ¤¤¿»þ´Ö; 2.5.41 °Ê¹ß);
.I irq
(³ä¤ê¹þ¤ß½èÍý¤ò¹Ô¤Ã¤¿»þ´Ö; 2.6.0-test4 °Ê¹ß);
.I softirq
(¥½¥Õ¥È³ä¤ê¹þ¤ß¤Î½èÍý¤ò¹Ô¤Ã¤¿»þ´Ö; 2.6.0-test4 °Ê¹ß)¡£

.\"O Since Linux 2.6.11, there is an eighth column,
.\"O .I steal
.\"O \- stolen time, which is the time spent in other operating systems when
.\"O running in a virtualized environment
Linux 2.6.11 °Ê¹ß¤Ç¤Ï¡¢8 ¸ÄÌܤÎÍó¤È¤·¤Æ
.I steal
(Åð¤Þ¤ì¤¿»þ´Ö; stolen time) ¤¬Â¸ºß¤¹¤ë¡£
¤³¤ì¤Ï¡¢²¾ÁÛ²½´Ä¶­¤Ç¤ÎÆ°ºî»þ¤Ë¾¤Î¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ë¤è¤ê
¾ÃÈñ¤µ¤ì¤¿»þ´Ö¤Ç¤¢¤ë¡£

.\"O Since Linux 2.6.24, there is a ninth column,
.\"O .IR guest ,
.\"O which is the time spent running a virtual CPU for guest
.\"O operating systems under the control of the Linux kernel.
Linux 2.6.24 °Ê¹ß¤Ç¤Ï¡¢9 ¸ÄÌܤÎÍó¤È¤·¤Æ¡¢
.I guest
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.\" See Changelog entry for 5e84cfde51cf303d368fcb48f22059f37b3872de
.TP
\fIpage 5741 1808\fP
.\"O The number of pages the system paged in and the number that were paged
.\"O out (from disk).
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\fIswap 1 0\fP
.\"O The number of swap pages that have been brought in and out.
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.\"O .\" FIXME The following is not the full picture for the 'intr' of
.\"O .\"       /proc/stat on 2.6:
.\" FIXME °Ê²¼¤ÎÀâÌÀ¤Ï¡¢¥«¡¼¥Í¥ë 2.6 ¤Î /proc/stat 'intr' ¥Õ¥£¡¼¥ë¥É¤Î
.\"       ´°Á´¤ÊÀâÌÀ¤Ç¤Ï¤Ê¤¤¡£½ñ¤«¤ì¤Æ¤¤¤Ê¤¤¤³¤È¤¬¤¢¤ë¡£
\fIintr 1462898\fP
.\"O This line shows counts of interrupts serviced since boot time,
.\"O for each of the possible system interrupts.
.\"O The first column is the total of all interrupts serviced;
.\"O each subsequent column is the total for a particular interrupt.
¤³¤Î¹Ô¤Ï¥·¥¹¥Æ¥àµ¯Æ°»þ°Ê¹ß¤Ë½èÍý¤µ¤ì¤¿³ä¤ê¹þ¤ß¤Î²ó¿ô¤ò¼¨¤¹¡£
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\fIdisk_io: (2,0):(31,30,5764,1,2) (3,0):\fP...
.\"O (major,disk_idx):(noinfo, read_io_ops, blks_read, write_io_ops, blks_written)
.\"O .br
.\"O (Linux 2.4 only)
(¥á¥¸¥ã¡¼ÈÖ¹æ, ¥Ç¥£¥¹¥¯¥¤¥ó¥Ç¥Ã¥¯¥¹ÈÖ¹æ):(¾ðÊó¤Ê¤· (noinfo), Æɤ߹þ¤ß²ó¿ô,
Æɤ߹þ¤ß¥Ö¥í¥Ã¥¯¿ô, ½ñ¤­½Ð¤·²ó¿ô, ½ñ¤­½Ð¤·¥Ö¥í¥Ã¥¯¿ô)
.br
(Linux 2.4 ¤Î¤ß)
.TP
\fIctxt 115315\fP
.\"O The number of context switches that the system underwent.
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\fIbtime 769041601\fP
.\"O boot time, in seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC).
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\fIprocesses 86031\fP
.\"O Number of forks since boot.
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\fIprocs_running 6\fP
.\"O Number of processes in runnable state.
.\"O (Linux 2.5.45 onwards.)
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\fIprocs_blocked 2\fP
.\"O Number of processes blocked waiting for I/O to complete.
.\"O (Linux 2.5.45 onwards.)
I/O ´°Î»ÂÔ¤Á¤ÇÄä»ß (blocked) ¤·¤Æ¤¤¤ë¥×¥í¥»¥¹¿ô
(Linux 2.5.45 °Ê¹ß)¡£
.RE
.TP
.I /proc/swaps
.\"O Swap areas in use.
.\"O See also
.\"O .BR swapon (8).
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.BR swapon (8)
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.TP
.I /proc/sys
.\"O This directory (present since 1.3.57) contains a number of files
.\"O and subdirectories corresponding to kernel variables.
.\"O These variables can be read and sometimes modified using
.\"O the \fI/proc\fP file system, and the (deprecated)
.\"O .BR sysctl (2)
.\"O system call.
.\"O Presently, there are subdirectories
.\"O .IR abi ", " debug ", " dev ", " fs ", " kernel ", " net ", " proc ", "
.\"O .IR rxrpc ", " sunrpc " and " vm
.\"O that each contain more files and subdirectories.
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê (1.3.57 °Ê¹ß¤Ë¸ºß) ¤Ï¥«¡¼¥Í¥ëÊÑ¿ô¤ËÂбþ¤¹¤ë¤¤¤¯¤Ä¤«¤Î
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¤³¤ì¤é¤ÎÊÑ¿ô¤ÏÆɤ߽Ф·²Äǽ¤Ç¤¢¤ë¡£
¤Þ¤¿¾ì¹ç¤Ë¤è¤Ã¤Æ¤Ï \fI/proc\fP ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ä¡¢
(Èó¿ä¾©¤Î) ¥·¥¹¥Æ¥à¥³¡¼¥ë
.BR sysctl (2)
¤òÍѤ¤¤Æ½ñ¤­´¹¤¨¤ë¤³¤È¤â¤Ç¤­¤ë¡£
¤¤¤Þ¤Î¤È¤³¤í
.IR abi ", " debug ", " dev ", " fs ", " kernel ", " net ", " proc ", "
.IR rxrpc ", " sunrpc ", " vm
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.\"O .IR /proc/sys/abi " (since Linux 2.4.10)"
.IR /proc/sys/abi " (Linux 2.4.10 °Ê¹ß)"
.\"O This directory may contain files with application binary information.
.\"O .\" On some systems, it is not present.
.\"O See the kernel source file
.\"O .I Documentation/sysctl/abi.txt
.\"O for more information.
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.\" ¤³¤Î¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¥·¥¹¥Æ¥à¤â¤¢¤ë¡£
¹¹¤Ë¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥«¡¼¥Í¥ë¥½¡¼¥¹¥Õ¥¡¥¤¥ë
.I Documentation/sysctl/abi.txt
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.I /proc/sys/debug
.\"O This directory may be empty.
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.I /proc/sys/dev
.\"O This directory contains device-specific information (e.g.,
.\"O .IR dev/cdrom/info ).
.\"O On
.\"O some systems, it may be empty.
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.IR dev/cdrom/info )
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.I /proc/sys/fs
.\"O This contains the subdirectories
.\"O .IR binfmt_misc ", " epoll ", " inotify ", and " mqueue ,
.\"O and files
.\"O .IR dentry-state ", " dir-notify-enable ", " dquot-nr ", " file-max ", "
.\"O .IR file-nr ", " inode-max ", " inode-nr ", " inode-state ", "
.\"O .IR lease-break-time ", " leases-enable ", "
.\"O .IR overflowgid ", " overflowuid ", "
.\"O .IR suid_dumpable ", "
.\"O .IR super-max ", and " super-nr .
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë¤Ï¡¢¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê
.IR binfmt_misc ", " epoll ", " inotify ", " mqueue
¤È°Ê²¼¤Î¥Õ¥¡¥¤¥ë¤¬¤¢¤ë:
.IR dentry-state ", " dir-notify-enable ", " dquot-nr ", " file-max ", "
.IR file-nr ", " inode-max ", " inode-nr ", " inode-state ", "
.IR lease-break-time ", " leases-enable ", "
.IR overflowgid ", " overflowuid ", "
.IR suid_dumpable ", "
.IR super-max ", " super-nr .
.TP
.I /proc/sys/fs/binfmt_misc
.\"O Documentation for files in this directory can be found
.\"O in the kernel sources in
.\"O .IR Documentation/binfmt_misc.txt .
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.I Documentation/binfmt_misc.txt
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.\"O .IR /proc/sys/fs/dentry-state " (since Linux 2.2)"
.IR /proc/sys/fs/dentry-state " (Linux 2.2 °Ê¹ß)"
.\"O This file contains information about the status of the
.\"O directory cache (dcache).
.\"O The file contains six numbers,
.\"O .IR nr_dentry ", " nr_unused ", " age_limit " (age in seconds), "
.\"O .I want_pages
.\"O (pages requested by system) and two dummy values.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢¥Ç¥£¥ì¥¯¥È¥ê¥­¥ã¥Ã¥·¥å (dcache) ¤Î¾õÂ֤˴ؤ¹¤ë¾ðÊó¤¬
Æþ¤Ã¤Æ¤¤¤ë¡£¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢
.IR nr_dentry ", " nr_unused ", " age_limit " (ÉÃñ°Ì¤Î age), " want_pages
(¥·¥¹¥Æ¥à¤¬¥ê¥¯¥¨¥¹¥È¤·¤¿¥Ú¡¼¥¸¿ô), ¥À¥ß¡¼¤Î 2 ¤Ä¤ÎÃÍ¡¢
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.RS
.IP * 2
.\"O .I nr_dentry
.\"O is the number of allocated dentries (dcache entries).
.\"O This field is unused in Linux 2.2.
.I nr_dentry
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.\"O .I nr_unused
.\"O is the number of unused dentries.
.I nr_unused
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.\"O .I age_limit
.\"O .\" looks like this is unused in kernels 2.2 to 2.6
.\"O is the age in seconds after which dcache entries
.\"O can be reclaimed when memory is short.
.I age_limit
¤Ï¡¢¥á¥â¥ê¤¬ÉÔ­¤·¤Æ¤¤¤ë¾ì¹ç¤Ë¼¡¤Ë dcache entry ¤òºÆÍ×µá¤Ç¤­¤ë¤è¤¦¤Ë
¤Ê¤ë¤Þ¤Ç¤Î»Ä¤ê»þ´Ö (Éÿô) ¤Ç¤¢¤ë¡£
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.\"O .I want_pages
.\" looks like this is unused in kernels 2.2 to 2.6
.\"O is nonzero when the kernel has called shrink_dcache_pages() and the
.\"O dcache isn't pruned yet.
.I want_pages
¤Ï¡¢¥«¡¼¥Í¥ë¤¬ shrink_dcache_pages() ¤ò¸Æ¤Ó½Ð¤·¤¿¤¬
dcache ¤¬¤Þ¤À½Ì¾®¤µ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ë¡¢0 °Ê³°¤ÎÃͤȤʤ롣
.RE
.TP
.I /proc/sys/fs/dir-notify-enable
.\"O This file can be used to disable or enable the
.\"O .I dnotify
.\"O interface described in
.\"O .BR fcntl (2)
.\"O on a system-wide basis.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï
.BR fcntl (2)
¤Ëµ­½Ò¤µ¤ì¤Æ¤¤¤ë
.I dnotify
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.\"O A value of 0 in this file disables the interface,
.\"O and a value of 1 enables it.
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.I /proc/sys/fs/dquot-max
.\"O This file shows the maximum number of cached disk quota entries.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¥­¥ã¥Ã¥·¥å¤µ¤ì¤ë¥Ç¥£¥¹¥¯ quota ¥¨¥ó¥È¥ê¤ÎºÇÂç¿ô¤¬½ñ¤«¤ì¤Æ¤¤¤ë¡£
.\"O On some (2.4) systems, it is not present.
(2.4 ·Ï¤Î) ¥·¥¹¥Æ¥à¤ÎÃæ¤Ë¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¤â¤Î¤â¤¢¤ë¡£
.\"O If the number of free cached disk quota entries is very low and
.\"O you have some awesome number of simultaneous system users,
.\"O you might want to raise the limit.
¥­¥ã¥Ã¥·¥å¤µ¤ì¤ë¥Ç¥£¥¹¥¯ quota ¥¨¥ó¥È¥ê¤Î¶õ¤­¤¬Èó¾ï¤Ë¾¯¤Ê¤¯¡¢
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.I /proc/sys/fs/dquot-nr
.\"O This file shows the number of allocated disk quota
.\"O entries and the number of free disk quota entries.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤ë¥Ç¥£¥¹¥¯ quota ¤Î¥¨¥ó¥È¥ê¿ô¤È¡¢
¶õ¤¤¤Æ¤¤¤ë¥Ç¥£¥¹¥¯ quota ¤Î¥¨¥ó¥È¥ê¿ô¤¬½ñ¤«¤ì¤Æ¤¤¤ë¡£
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.\"O .IR /proc/sys/fs/epoll " (since Linux 2.6.28)"
.IR /proc/sys/fs/epoll " (Linux 2.6.28 °Ê¹ß)"
.\"O This directory contains the file
.\"O .IR max_user_watches ,
.\"O which can be used to limit the amount of kernel memory consumed by the
.\"O .I epoll
.\"O interface.
.\"O For further details, see
.\"O .BR epoll (7).
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.I max_user_watches
¤¬¤¢¤ë¡£
¤³¤ì¤é¤Ï¡¢
.I epoll
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.BR epoll (7)
¤ò»²¾È¡£
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.I /proc/sys/fs/file-max
.\"O This file defines
.\"O a system-wide limit on the number of open files for all processes.
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.\"O (See also
.\"O .BR setrlimit (2),
.\"O which can be used by a process to set the per-process limit,
.\"O .BR RLIMIT_NOFILE ,
.\"O on the number of files it may open.)
(³Æ¥×¥í¥»¥¹¤¬¥ª¡¼¥×¥ó¤Ç¤­¤ë¥Õ¥¡¥¤¥ë¿ô¤Î¾å¸Â¤ò
.B RLIMIT_NOFILE
¤Ë¤è¤Ã¤ÆÀßÄꤹ¤ë
.BR setrlimit (2)
¤â»²¾È¤¹¤ë¤³¤È¡£)
.\"O If you get lots
.\"O of error messages about running out of file handles,
.\"O try increasing this value:
¥Õ¥¡¥¤¥ë¥Ï¥ó¥É¥ë¤ò»È¤¤²Ì¤¿¤·¤ÆÂçÎ̤˥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬½Ð¤ë¾ì¹ç¤Ï¡¢
°Ê²¼¤Î¤è¤¦¤Ë¤·¤Æ¤³¤ÎÃͤòÁý²Ã¤µ¤»¤Æ¤ß¤è:
.br

.br
.nf
.ft CW
echo 100000 > /proc/sys/fs/file-max
.fi
.ft

.\"O The kernel constant
.\"O .B NR_OPEN
.\"O imposes an upper limit on the value that may be placed in
.\"O .IR file-max .
.I file-max
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.B NR_OPEN
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.\"O If you increase
.\"O .IR /proc/sys/fs/file-max ","
.\"O be sure to increase
.\"O .I /proc/sys/fs/inode-max
.\"O to 3-4 times the new
.\"O value of
.\"O .IR /proc/sys/fs/file-max ","
.\"O or you will run out of inodes.
.I /proc/sys/fs/file-max
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.I /proc/sys/fs/inode-max
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.I /proc/sys/fs/file-nr
.\"O This (read-only) file gives the number of files presently opened.
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.\"O It contains three numbers: the number of allocated file handles;
.\"O the number of free file handles; and the maximum number of file handles.
.\"O The kernel allocates file handles dynamically, but it
.\"O doesn't free them again.
.\"O If the number of allocated files is close to the
.\"O maximum, you should consider increasing the maximum.
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.\"O When the number of free file handles is
.\"O large, you've encountered a peak in your usage of file
.\"O handles and you probably don't need to increase the maximum.
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.I /proc/sys/fs/inode-max
.\"O This file contains the maximum number of in-memory inodes.
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.\"O On some (2.4) systems, it may not be present.
.\"O This value should be 3-4 times larger
.\"O than the value in
.\"O .IR file-max ,
.\"O since \fIstdin\fP, \fIstdout\fP
.\"O and network sockets also need an inode to handle them.
.\"O When you regularly run out of inodes, you need to increase this value.
(2.4 ·Ï¤Î) ¥·¥¹¥Æ¥à¤Ë¤è¤Ã¤Æ¤Ï¡¢¤³¤Î¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤·¤Ê¤¤¤«¤â¤·¤ì¤Ê¤¤¡£
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.I file-max
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inode ¤¬É¬Íפʤ¿¤á¤Ç¤¢¤ë¡£
Æü¾ïŪ¤Ë inode ¤ò»È¤¤²Ì¤¿¤·¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¤³¤ÎÃͤòÁý¤ä¤¹É¬Íפ¬¤¢¤ë¡£
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.I /proc/sys/fs/inode-nr
.\"O This file contains the first two values from
.\"O .IR inode-state .
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢
.I inode-state
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.I /proc/sys/fs/inode-state
.\"O This file
.\"O contains seven numbers:
.\"O .IR nr_inodes ,
.\"O .IR nr_free_inodes ,
.\"O .IR preshrink ,
.\"O and four dummy values.
.\"O .I nr_inodes
.\"O is the number of inodes the system has allocated.
.\"O This can be slightly more than
.\"O .I inode-max
.\"O because Linux allocates them one page full at a time.
.\"O .I nr_free_inodes
.\"O represents the number of free inodes.
.\"O .I preshrink
.\"O is nonzero when the
.\"O .I nr_inodes
.\"O >
.\"O .I inode-max
.\"O and the system needs to prune the inode list instead of allocating more.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï 7 ¸Ä¤ÎÃͤ¬½ñ¤«¤ì¤Æ¤¤¤ë:
.IR nr_inodes,
.IR nr_free_inodes ,
.IR preshrink
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.I nr_inodes
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.I inode-max
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.\"O .IR /proc/sys/fs/inotify " (since Linux 2.6.13)"
.IR /proc/sys/fs/inotify " (Linux 2.6.13 °Ê¹ß)"
.\"O This directory contains files
.\"O .IR max_queued_events ", " max_user_instances ", and " max_user_watches ,
.\"O that can be used to limit the amount of kernel memory consumed by the
.\"O .I inotify
.\"O interface.
.\"O For further details, see
.\"O .BR inotify (7).
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.I inotify
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.I /proc/sys/fs/lease-break-time
.\"O This file specifies the grace period that the kernel grants to a process
.\"O holding a file lease
.\"O .RB ( fcntl (2))
.\"O after it has sent a signal to that process notifying it
.\"O that another process is waiting to open the file.
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¤½¤Î¥×¥í¥»¥¹¤ËÂФ·¤Æ¥«¡¼¥Í¥ë¤¬¥Õ¥¡¥¤¥ë¤Î¥ê¡¼¥¹ (lease, Âߤ·½Ð¤·)
.RB ( fcntl (2)
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.\"O If the lease holder does not remove or downgrade the lease within
.\"O this grace period, the kernel forcibly breaks the lease.
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.I /proc/sys/fs/leases-enable
.\"O This file can be used to enable or disable file leases
.\"O .RB ( fcntl (2))
.\"O on a system-wide basis.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¥·¥¹¥Æ¥àÁ´ÂΤǤΥե¡¥¤¥ë¥ê¡¼¥¹
.RB ( fcntl (2)
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.\"O If this file contains the value 0, leases are disabled.
.\"O A nonzero value enables leases.
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.\"O .IR /proc/sys/fs/mqueue " (since Linux 2.6.6)"
.IR /proc/sys/fs/mqueue " (Linux 2.6.6 °Ê¹ß)"
.\"O This directory contains files
.\"O .IR msg_max ", " msgsize_max ", and " queues_max ,
.\"O controlling the resources used by POSIX message queues.
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.IR msg_max ", " msgsize_max ", and " queues_max
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.\"O See
.\"O .BR mq_overview (7)
.\"O for details.
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.BR mq_overview (7)
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.TP
.\"O .IR /proc/sys/fs/overflowgid " and " /proc/sys/fs/overflowuid
.IR /proc/sys/fs/overflowgid " ¤È " /proc/sys/fs/overflowuid
.\"O These files
.\"O allow you to change the value of the fixed UID and GID.
.\"O The default is 65534.
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ë¤è¤ê¡¢¥æ¡¼¥¶¡¼¤Ï¸ÇÄê UID ¤È¸ÇÄê GID ¤ÎÃͤòÊѹ¹¤Ç¤­¤ë¡£
¥Ç¥Õ¥©¥ë¥È¤Ï 65534 ¤Ç¤¢¤ë¡£
.\"O Some file systems only support 16-bit UIDs and GIDs, although in Linux
.\"O UIDs and GIDs are 32 bits.
.\"O When one of these file systems is mounted
.\"O with writes enabled, any UID or GID that would exceed 65535 is translated
.\"O to the overflow value before being written to disk.
Linux ¤Î UID ¤È GID ¤Ï 32 ¥Ó¥Ã¥È¤Ç¤¢¤ë¤¬¡¢
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.\"O .IR /proc/sys/fs/suid_dumpable " (since Linux 2.6.13)"
.IR /proc/sys/fs/suid_dumpable " (Linux 2.6.13 °Ê¹ß)"
.\"O .\" The following is based on text from Documentation/sysctl/kernel.txt
.\"O The value in this file determines whether core dump files are
.\"O produced for set-user-ID or otherwise protected/tainted binaries.
.\"O Three different integer values can be specified:
.\" °Ê²¼¤Ï Documentation/sysctl/kernel.txt ¤ÎÆâÍƤ˴𤤤Ƥ¤¤ë¡£
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\fI0\ (default)\fP
.\"O This provides the traditional (pre-Linux 2.6.13) behavior.
.\"O A core dump will not be produced for a process which has
.\"O changed credentials (by calling
.\"O .BR seteuid (2),
.\"O .BR setgid (2),
.\"O or similar, or by executing a set-user-ID or set-group-ID program)
.\"O or whose binary does not have read permission enabled.
¤³¤ÎÃͤò»ØÄꤹ¤ë¤È¡¢°ÊÁ°¤ÈƱ¤¸ (Linux 2.6.13 ¤è¤êÁ°¤Î) Æ°ºî¤ò¤¹¤ë¡£
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\fI1\ ("debug")\fP
.\"O All processes dump core when possible.
.\"O The core dump is owned by the file system user ID of the dumping process
.\"O and no security is applied.
.\"O This is intended for system debugging situations only.
.\"O Ptrace is unchecked.
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\fI2\ ("suidsafe")\fP
.\"O Any binary which normally would not be dumped (see "0" above)
.\"O is dumped readable by root only.
.\"O This allows the user to remove the core dump file but not to read it.
.\"O For security reasons core dumps in this mode will not overwrite one
.\"O another or other files.
.\"O This mode is appropriate when administrators are
.\"O attempting to debug problems in a normal environment.
.\"O
.\"Omotoki: "overwrite one another or other files" ¤ÎÌõ¤Ë¼«¿®¤Ê¤·¡£
.\"O
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.\"O .I /proc/sys/fs/super-max
.\"O This file
.\"O controls the maximum number of superblocks, and
.\"O thus the maximum number of mounted file systems the kernel
.\"O can have.
.\"O You only need to increase
.\"O .I super-max
.\"O if you need to mount more file systems than the current value in
.\"O .I super-max
.\"O allows you to.
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.I super-max
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.I /proc/sys/fs/super-nr
.\"O This file
.\"O contains the number of file systems currently mounted.
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.I /proc/sys/kernel
.\"O This directory contains files controlling a range of kernel parameters,
.\"O as described below.
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.I /proc/sys/kernel/acct
.\"O This file
.\"O contains three numbers:
.\"O .IR highwater ,
.\"O .IR lowwater ,
.\"O and
.\"O .IR frequency .
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï 3 ¤Ä¤ÎÃͤ¬´Þ¤Þ¤ì¤Æ¤¤¤ë:
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.IR lowwater ,
.IR frequency
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.\"O If BSD-style process accounting is enabled these values control
.\"O its behavior.
.\"O If free space on file system where the log lives goes below
.\"O .I lowwater
.\"O percent accounting suspends.
.\"O If free space gets above
.\"O .I highwater
.\"O percent accounting resumes.
.\"O .I frequency
.\"O determines
.\"O how often the kernel checks the amount of free space (value is in
.\"O seconds).
.\"O Default values are 4, 2 and 30.
BSD-style process accounting ¤¬Í­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç¡¢
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.I lowwater
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.I highwater
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.I frequency
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.\"O That is, suspend accounting if 2% or less space is free; resume it
.\"O if 4% or more space is free; consider information about amount of free space
.\"O valid for 30 seconds.
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.\"O .IR /proc/sys/kernel/cap-bound " (from Linux 2.2 to 2.6.24)"
.IR /proc/sys/kernel/cap-bound " (Linux 2.2 to 2.6.24 °Ê¹ß)"
.I /proc/sys/kernel/cap-bound
.\"O This file holds the value of the kernel
.\"O .I "capability bounding set"
.\"O (expressed as a signed decimal number).
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.\"O This set is ANDed against the capabilities permitted to a process
.\"O during
.\"O .BR execve (2).
.BR execve (2)
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.\"O Starting with Linux 2.6.25,
.\"O the system-wide capability bounding set disappeared,
.\"O and was replaced by a per-thread bounding set; see
.\"O .BR capabilities (7).
Linux 2.6.25 °Ê¹ß¤Ç¤Ï¡¢¥·¥¹¥Æ¥àÁ´ÂΤΥ±¡¼¥Ñ¥Ó¥ê¥Æ¥£¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È¤Ï
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.BR capabilities (7)
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.I /proc/sys/kernel/core_pattern
.\"O See
.\"O .BR core (5).
.BR core (5)
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.I /proc/sys/kernel/core_uses_pid
.\"O See
.\"O .BR core (5).
.BR core (5)
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.I /proc/sys/kernel/ctrl-alt-del
.\"O This file
.\"O controls the handling of Ctrl-Alt-Del from the keyboard.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¥­¡¼¥Ü¡¼¥É¤Î Ctrl-Alt-Del ¤Î°·¤¤¤òÀ©¸æ¤¹¤ë¡£
.\"O When the value in this file is 0, Ctrl-Alt-Del is trapped and
.\"O sent to the
.\"O .BR init (8)
.\"O program to handle a graceful restart.
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.BR init (8)
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.\"O When the value is greater than zero, Linux's reaction to a Vulcan
.\"O Nerve Pinch (tm) will be an immediate reboot, without even
.\"O syncing its dirty buffers.
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Linux ¤Ï¥À¡¼¥Æ¥£¥Ð¥Ã¥Õ¥¡¤òƱ´ü¤µ¤»¤ë¤³¤È¤Ê¤¯¡¢¤¹¤°¤ËºÆµ¯Æ°¤ò¹Ô¤¦¡£
.\"O Note: when a program (like dosemu) has the keyboard in "raw"
.\"O mode, the ctrl-alt-del is intercepted by the program before it
.\"O ever reaches the kernel tty layer, and it's up to the program
.\"O to decide what to do with it.
Ãí°Õ: ¥×¥í¥°¥é¥à (dosemu ¤Ê¤É) ¤Ë "raw" ¥â¡¼¥É¤Î¥­¡¼¥Ü¡¼¥É¤¬¤¢¤ë¾ì¹ç¡¢
ctrl-alt-del ¤Ï¥«¡¼¥Í¥ë¤Î tty ¥ì¥¤¥ä¡¼¤ËÅþ㤹¤ëÁ°¤Ë
¥×¥í¥°¥é¥à¤Ë¼×ÃǤµ¤ì¡¢
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.I /proc/sys/kernel/hotplug
.\"O This file
.\"O contains the path for the hotplug policy agent.
.\"O The default value in this file is
.\"O .IR /sbin/hotplug .
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.\"O .IR /proc/sys/kernel/domainname " and " /proc/sys/kernel/hostname
.IR /proc/sys/kernel/domainname " ¤È " /proc/sys/kernel/hostname
.\"O can be used to set the NIS/YP domainname and the
.\"O hostname of your box in exactly the same way as the commands
.\"O .BR domainname (1)
.\"O and
.\"O .BR hostname (1),
.\"O that is:
¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢¥³¥Þ¥ó¥É
.BR domainname (1),
.BR hostname (1)
¤ÈÁ´¤¯Æ±¤¸ÊýË¡¤Ç¡¢
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¤¹¤Ê¤ï¤Á

.in +4n
.nf
.RB "#" " echo \(aqdarkstar\(aq > /proc/sys/kernel/hostname"
.RB "#" " echo \(aqmydomain\(aq > /proc/sys/kernel/domainname"
.fi
.in

.\"O has the same effect as
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.in +4n
.nf
.RB "#" " hostname \(aqdarkstar\(aq"
.RB "#" " domainname \(aqmydomain\(aq"
.fi
.in

.\"O Note, however, that the classic darkstar.frop.org has the
.\"O hostname "darkstar" and DNS (Internet Domain Name Server)
.\"O domainname "frop.org", not to be confused with the NIS (Network
.\"O Information Service) or YP (Yellow Pages) domainname.
.\"O These two
.\"O domain names are in general different.
.\"O For a detailed discussion
.\"O see the
.\"O .BR hostname (1)
.\"O man page.
Ãí°Õ: ŵ·¿Åª¤Ê darkstar.frop.org ¤È¤¤¤¦Ì¾Á°¤Ë¤Ï¡¢
¥Û¥¹¥È̾ "darkstar" ¤È DNS (Internet Domain Name Server)
¥É¥á¥¤¥ó̾ "frop.org" ¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤¬¡¢DNS ¥É¥á¥¤¥ó̾¤È
NIS (Network Information Service) ¤Þ¤¿¤Ï
YP (Yellow Pages) ¤Î¥É¥á¥¤¥ó̾¤òº®Æ±¤·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£
°ìÈ̤ˤ³¤ì¤é 2 ¤Ä¤Î¥É¥á¥¤¥ó̾¤Ï°Û¤Ê¤ë¡£
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.BR hostname (1)
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.I /proc/sys/kernel/htab-reclaim
.\"O (PowerPC only) If this file is set to a nonzero value,
.\"O the PowerPC htab
.\"O (see kernel file
.\"O .IR Documentation/powerpc/ppc_htab.txt )
.\"O is pruned
.\"O each time the system hits the idle loop.
(PowerPC ¤Î¤ß) ¤³¤Î¥Õ¥¡¥¤¥ë¤ò 0 °Ê³°¤ÎÃͤËÀßÄꤹ¤ë¤È¡¢
PowerPC htab
(¥«¡¼¥Í¥ë¥½¡¼¥¹¥Õ¥¡¥¤¥ë
.I Documentation/powerpc/ppc_htab.txt
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.I /proc/sys/kernel/l2cr
.\"O (PowerPC only) This file
.\"O contains a flag that controls the L2 cache of G3 processor
.\"O boards.
.\"O If 0, the cache is disabled.
.\"O Enabled if nonzero.
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.I /proc/sys/kernel/modprobe
.\"O This file contains the path for the kernel module loader.
.\"O The default value is
.\"O .IR /sbin/modprobe .
.\"O The file is only present if the kernel is built with the
.\"O .B CONFIG_KMOD
.\"O option enabled.
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.I /sbin/modprobe
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.B CONFIG_KMOD
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.\"O It is described by the kernel source file
.\"O .I Documentation/kmod.txt
.\"O (only present in kernel 2.4 and earlier).
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.I Documentation/kmod.txt
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.I /proc/sys/kernel/msgmax
.\"O This file defines
.\"O a system-wide limit specifying the maximum number of bytes in
.\"O a single message written on a System V message queue.
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.I /proc/sys/kernel/msgmni
.\"O This file defines the system-wide limit on the number of
.\"O message queue identifiers.
.\"O (This file is only present in Linux 2.4 onwards.)
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.I /proc/sys/kernel/msgmnb
.\"O This file defines a system-wide parameter used to initialize the
.\"O .I msg_qbytes
.\"O setting for subsequently created message queues.
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.I msg_qbytes
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.I msg_qbytes
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.\"O The
.\"O .I msg_qbytes
.\"O setting specifies the maximum number of bytes that may be written to the
.\"O message queue.
.I msg_qbytes
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.\"O .IR /proc/sys/kernel/ostype " and " /proc/sys/kernel/osrelease
.IR /proc/sys/kernel/ostype " ¤È " /proc/sys/kernel/osrelease
.\"O These files
.\"O give substrings of
.\"O .IR /proc/version .
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.I /proc/version
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.\"O .IR /proc/sys/kernel/overflowgid " and " /proc/sys/kernel/overflowuid
.IR /proc/sys/kernel/overflowgid " ¤È " /proc/sys/kernel/overflowuid
.\"O These files duplicate the files
.\"O .I /proc/sys/fs/overflowgid
.\"O and
.\"O .IR /proc/sys/fs/overflowuid .
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.I /proc/sys/fs/overflowgid
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.I /proc/sys/fs/overflowuid
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.I /proc/sys/kernel/panic
.\"O This file gives read/write access to the kernel variable
.\"O .IR panic_timeout .
.\"O If this is zero, the kernel will loop on a panic; if nonzero
.\"O it indicates that the kernel should autoreboot after this number
.\"O of seconds.
.\"O When you use the
.\"O software watchdog device driver, the recommended setting is 60.
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.I panic_timeout
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.\"O .IR /proc/sys/kernel/panic_on_oops " (since Linux 2.5.68)"
.IR /proc/sys/kernel/panic_on_oops " (Linux 2.5.68 °Ê¹ß)"
.\"O This file controls the kernel's behavior when an oops
.\"O or BUG is encountered.
.\"O If this file contains 0, then the system
.\"O tries to continue operation.
.\"O If it contains 1, then the system
.\"O delays a few seconds (to give klogd time to record the oops output)
.\"O and then panics.
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.\"O If the
.\"O .I /proc/sys/kernel/panic
.\"O file is also nonzero then the machine will be rebooted.
.I /proc/sys/kernel/panic
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.\"O .IR /proc/sys/kernel/pid_max " (since Linux 2.5.34)"
.IR /proc/sys/kernel/pid_max " (Linux 2.5.34 °Ê¹ß)"
.\"O This file specifies the value at which PIDs wrap around
.\"O (i.e., the value in this file is one greater than the maximum PID).
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.\"O The default value for this file, 32768,
.\"O results in the same range of PIDs as on earlier kernels.
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¤½¤Î¾ì¹ç¤Ë¤Ï°ÊÁ°¤Î¥«¡¼¥Í¥ë¤ÈƱ¤¸ PID ¤ÎÈϰϤˤʤ롣
.\"O On 32-bit platforms, 32768 is the maximum value for
.\"O .IR pid_max .
.\"O On 64-bit systems,
.\"O .I pid_max
.\"O can be set to any value up to 2^22
.\"O .RB ( PID_MAX_LIMIT ,
.\"O approximately 4 million).
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.I pid_max
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.\" Prior to 2.6.10, pid_max could also be raised above 32768 on 32-bit
.\" platforms, but this broke /proc/[pid]
.\" See http://marc.theaimsgroup.com/?l=linux-kernel&m=109513010926152&w=2
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.\"O .IR /proc/sys/kernel/powersave-nap " (PowerPC only)"
.IR /proc/sys/kernel/powersave-nap " (PowerPC ¤Î¤ß)"
.\"O This file contains a flag.
.\"O If set, Linux-PPC will use the "nap" mode of
.\"O powersaving,
.\"O otherwise the "doze" mode will be used.
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.I /proc/sys/kernel/printk
.\"O The four values in this file are
.\"O .IR console_loglevel ,
.\"O .IR default_message_loglevel ,
.\"O .IR minimum_console_level ,
.\"O and
.\"O .IR default_console_loglevel .
.\"O These values influence
.\"O .I printk()
.\"O behavior when printing or logging error messages.
.\"O See
.\"O .BR syslog (2)
.\"O for more info on the different loglevels.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤¢¤ë 4 ¤Ä¤ÎÃͤϡ¢
.IR console_loglevel ,
.IR default_message_loglevel ,
.IR minimum_console_loglevel ,
.IR default_console_loglevel
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.\"Osato: minimum_console_level ¤Ï minimum_console_loglevel ¤Î´Ö°ã¤¤¡©
.\"Osato:
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.I printk()
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³Æ loglevel ¤Î¾ðÊó¤Ë¤Ä¤¤¤Æ¤Ï¡¢
.BR syslog (2)
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.\"O Messages with a higher priority than
.\"O .I console_loglevel
.\"O will be printed to the console.
.\"O Messages without an explicit priority will be printed with priority
.\"O .IR default_message_level .
.\"O .I minimum_console_loglevel
.\"O is the minimum (highest) value to which
.\"O .I console_loglevel
.\"O can be set.
.\"O .I default_console_loglevel
.\"O is the default value for
.\"O .IR console_loglevel .
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.I console_loglevel
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.I default_message_level
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.I minimum_console_loglevel
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.I console_loglevel
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.I default_console_loglevel
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.I console_loglevel
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.\"O .IR /proc/sys/kernel/pty " (since Linux 2.6.4)"
.IR /proc/sys/kernel/pty " (Linux 2.6.4 °Ê¹ß)"
.\"O This directory contains two files relating to the number of Unix 98
.\"O pseudo-terminals (see
.\"O .BR pts (4))
.\"O on the system.
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.I /proc/sys/kernel/pty/max
.\"O This file defines the maximum number of pseudo-terminals.
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.I /proc/sys/kernel/pty/nr
.\"O This read-only file
.\"O indicates how many pseudo-terminals are currently in use.
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.I /proc/sys/kernel/random
.\"O This directory
.\"O .I random
.\"O contains various parameters controlling the operation of the file
.\"O .IR /dev/random .
.\"O See
.\"O .BR random (4)
.\"O for further information.
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.I /dev/random
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.BR random (4)
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.I /proc/sys/kernel/real-root-dev
.\"O This file is documented in the kernel source file
.\"O .IR Documentation/initrd.txt .
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.\"O .IR /proc/sys/kernel/reboot-cmd " (Sparc only) "
.IR /proc/sys/kernel/reboot-cmd " (Sparc ¤Î¤ß) "
.\"O This file seems to be a way to give an argument to the SPARC
.\"O ROM/Flash boot loader.
.\"O Maybe to tell it what to do after
.\"O rebooting?
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.I /proc/sys/kernel/rtsig-max
.\"O (Only in kernels up to and including 2.6.7; see
.\"O .BR setrlimit (2))
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.BR setrlimit (2)
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.\"O This file can be used to tune the maximum number
.\"O of POSIX real-time (queued) signals that can be outstanding
.\"O in the system.
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.I /proc/sys/kernel/rtsig-nr
.\"O (Only in kernels up to and including 2.6.7.)
(2.6.7 ¤Þ¤Ç¤Î¥«¡¼¥Í¥ë¤Ë¤Î¤ß¸ºß¤¹¤ë)
.\"O This file shows the number POSIX real-time signals currently queued.
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.\"O .IR /proc/sys/kernel/sem " (since Linux 2.4)"
.IR /proc/sys/kernel/sem " (Linux 2.4 °Ê¹ß)"
.\"O This file contains 4 numbers defining limits for System V IPC semaphores.
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.\"O These fields are, in order:
¤³¤ì¤é¤Î¥Õ¥£¡¼¥ë¥É¤Ï¼¡¤Î½çÈÖ¤Ëʤó¤Ç¤¤¤ë:
.RS
.IP SEMMSL 8
.\"O The maximum semaphores per semaphore set.
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.IP SEMMNS 8
.\"O A system-wide limit on the number of semaphores in all semaphore sets.
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.IP SEMOPM 8
.\"O The maximum number of operations that may be specified in a
.\"O .BR semop (2)
.\"O call.
.BR semop (2)
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.IP SEMMNI 8
.\"O A system-wide limit on the maximum number of semaphore identifiers.
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.RE
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.I /proc/sys/kernel/sg-big-buff
.\"O This file
.\"O shows the size of the generic SCSI device (sg) buffer.
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.\"O You can't tune it just yet, but you could change it at
.\"O compile time by editing
.\"O .I include/scsi/sg.h
.\"O and changing
.\"O the value of
.\"O .BR SG_BIG_BUFF .
.\"O However, there shouldn't be any reason to change this value.
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.I include/scsi/sg.h
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.B SG_BIG_BUFF
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.I /proc/sys/kernel/shmall
.\"O This file
.\"O contains the system-wide limit on the total number of pages of
.\"O System V shared memory.
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.I /proc/sys/kernel/shmmax
.\"O This file
.\"O can be used to query and set the run-time limit
.\"O on the maximum (System V IPC) shared memory segment size that can be
.\"O created.
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ºÇÂ祵¥¤¥º¤Î¼Â¹Ô»þ¾å¸Â (run-time limit) ¤ò¼èÆÀ¤Þ¤¿¤ÏÀßÄê¤Ç¤­¤ë¡£
.\"O Shared memory segments up to 1GB are now supported in the
.\"O kernel.
.\"O This value defaults to
.\"O .BR SHMMAX .
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.B SHMMAX
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.I /proc/sys/kernel/shmmni
.\"O (available in Linux 2.4 and onwards)
(Linux 2.4 °Ê¹ß¤Ç»ÈÍѲÄǽ)
.\"O This file
.\"O specifies the system-wide maximum number of System V shared memory
.\"O segments that can be created.
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢¥·¥¹¥Æ¥àÁ´ÂΤǺîÀ®²Äǽ¤Ê
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.I /proc/sys/kernel/sysrq
.\"O This file controls the functions allowed to be invoked by the SysRq key.
.\"O By default,
.\"O the file contains 1 meaning that every possible SysRq request is allowed
.\"O (in older kernel versions, SysRq was disabled by default,
.\"O and you were required to specifically enable it at run-time,
.\"O but this is not the case any more).
¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¡¢SysRq ¥­¡¼¤Ë¤è¤êµ¯Æ°¤¬µö²Ä¤µ¤ì¤Æ¤¤¤ë´Ø¿ô·²¤òÀ©¸æ¤¹¤ë
¤â¤Î¤Ç¤¢¤ë¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¥Õ¥¡¥¤¥ë¤ÎÆâÍÆ¤Ï 1 ¤Ç¤¢¤ê¡¢
¤³¤ì¤Ïµ¯¤³¤êÆÀ¤ëÁ´¤Æ¤Î SysRq ¥ê¥¯¥¨¥¹¥È¤¬µö²Ä¤µ¤ì¤ë¤³¤È¤ò°ÕÌ£¤¹¤ë
(¸Å¤¤¥Ð¡¼¥¸¥ç¥ó¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¡¢SysRq ¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï̵¸ú¤Ë¤Ê¤Ã¤Æ¤ª¤ê¡¢
¼Â¹Ô»þ¤ËÌÀ¼¨Åª¤ËÍ­¸ú¤Ë¤¹¤ëɬÍפ¬¤¢¤Ã¤¿¤¬¡¢º£¤Ï¤½¤¦¤Ç¤Ï¤Ê¤¤)¡£
.\"O Possible values in this file are:
¤³¤Î¥Õ¥¡¥¤¥ë¤Ç»ØÄê²Äǽ¤ÊÃͤϰʲ¼¤ÎÄ̤ꡣ

.\"O    0 - disable sysrq completely
.\"O    1 - enable all functions of sysrq
.\"O   >1 - bitmask of allowed sysrq functions, as follows:
.\"O           2 - enable control of console logging level
.\"O           4 - enable control of keyboard (SAK, unraw)
.\"O           8 - enable debugging dumps of processes etc.
.\"O          16 - enable sync command
.\"O          32 - enable remount read-only
.\"O          64 - enable signalling of processes (term, kill, oom-kill)
.\"O         128 - allow reboot/poweroff
.\"O         256 - allow nicing of all real-time tasks
   0 - sysrq ¤ò´°Á´¤Ë̵¸ú¤Ë¤¹¤ë
   1 - sysrq ¤ÎÁ´¤Æ¤Î´Ø¿ô¤òÍ­¸ú¤Ë¤¹¤ë
  >1 - µö²Ä¤¹¤ë sysrq ´Ø¿ô¤Î¥Ó¥Ã¥È¥Þ¥¹¥¯¡£ÆâÌõ¤Ï°Ê²¼¤ÎÄ̤ꡣ
          2 - ¥³¥ó¥½¡¼¥ë¤Î¥í¥°¡¦¥ì¥Ù¥ë¤ÎÀ©¸æ¤òÍ­¸ú¤Ë¤¹¤ë
          4 - ¥­¡¼¥Ü¡¼¥É¤ÎÀ©¸æ¤òÍ­¸ú¤Ë¤¹¤ë (SAK, unraw)
          8 - ¥×¥í¥»¥¹¤Ê¤É¤Î¥Ç¥Ð¥Ã¥°¡¦¥À¥ó¥×¤òÍ­¸ú¤Ë¤¹¤ë
         16 - sync ¥³¥Þ¥ó¥É¤òÍ­¸ú¤Ë¤¹¤ë
         32 - Æɤ߽Ф·ÀìÍѤǤκƥޥ¦¥ó¥È¤òÍ­¸ú¤Ë¤¹¤ë
         64 - ¥×¥í¥»¥¹¤Ø¤Î¥·¥°¥Ê¥ëȯ¹Ô¤òÍ­¸ú¤Ë¤¹¤ë (term, kill, oom-kill)
        128 - ¥ê¥Ö¡¼¥È/ÅŸ»¥ª¥Õ¤òµö²Ä¤¹¤ë
        256 - Á´¤Æ¤Î¥ê¥¢¥ë¥¿¥¤¥à¡¦¥¿¥¹¥¯¤Î nice ÃͤÎÊѹ¹¤òµö²Ä¤¹¤ë

.\"O This file is only present if the
.\"O .B CONFIG_MAGIC_SYSRQ
.\"O kernel configuration option is enabled.
.\"O For further details see the kernel source file
.\"O .IR Documentation/sysrq.txt .
¥«¡¼¥Í¥ëÀßÄꥪ¥×¥·¥ç¥ó
.B CONFIG_MAGIC_SYSRQ
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.I Documentation/sysrq.txt
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.I /proc/sys/kernel/version
.\"O This file contains a string like:
¤³¤Î¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢°Ê²¼¤Î¤è¤¦¤Êʸ»úÎ󤬽ñ¤«¤ì¤Æ¤¤¤ë:

    #5 Wed Feb 25 21:49:24 MET 1998

.\"O The "#5" means that
.\"O this is the fifth kernel built from this source base and the
.\"O date behind it indicates the time the kernel was built.
\&"#5" ¤Ï¤³¤Î¥½¡¼¥¹¤Ç¹½ÃÛ¤µ¤ì¤¿ 5 ÈÖÌܤΥ«¡¼¥Í¥ë¤Ç¤¢¤ë¤³¤È¤ò°ÕÌ£¤¹¤ë¡£
¤½¤Î¸å¤Ë¤¢¤ëÆüÉդϥ«¡¼¥Í¥ë¤¬¹½ÃÛ¤µ¤ì¤¿»þ¹ï¤òɽ¤¹¡£
.TP
.\"O .IR /proc/sys/kernel/threads-max " (since Linux 2.3.11)"
.IR /proc/sys/kernel/threads-max " (Linux 2.3.11 °Ê¹ß)"
.\"O This file specifies the system-wide limit on the number of
.\"O threads (tasks) that can be created on the system.
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.\"O .IR /proc/sys/kernel/zero-paged " (PowerPC only) "
.IR /proc/sys/kernel/zero-paged " (PowerPC ¤Î¤ß) "
.\"O This file
.\"O contains a flag.
.\"O When enabled (nonzero), Linux-PPC will pre-zero pages in
.\"O the idle loop, possibly speeding up get_free_pages.
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pre-zero page ¤ò¹Ô¤¦¤Î¤Ç¡¢get_free_pages ¤Î®ÅÙ¤¬¸þ¾å¤¹¤ë²ÄǽÀ­¤¬¤¢¤ë¡£
.\"Osato:
.\"Osato: pre-zero page ¤ÎÌõ¸ì¤¬Ê¬¤«¤é¤Ê¤¤¡£
.\"Osato:
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.I /proc/sys/net
.\"O This directory contains networking stuff.
.\"O Explanations for some of the files under this directory can be found in
.\"O .BR tcp (7)
.\"O and
.\"O .BR ip (7).
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.BR tcp (7)
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.BR ip (7)
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.I /proc/sys/net/core/somaxconn
.\"O This file defines a ceiling value for the
.\"O .I backlog
.\"O argument of
.\"O .BR listen (2);
.\"O see the
.\"O .BR listen (2)
.\"O manual page for details.
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.I backlog
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.I /proc/sys/proc
.\"O This directory may be empty.
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.I /proc/sys/sunrpc
.\"O This directory supports Sun remote procedure call for network file system
.\"O (NFS).
.\"O On some systems, it is not present.
¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï¥Í¥Ã¥È¥ï¡¼¥¯¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (NFS) ¤Ø¤Î
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.I /proc/sys/vm
.\"O This directory contains files for memory management tuning, buffer and
.\"O cache management.
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.\"O .IR /proc/sys/vm/drop_caches " (since Linux 2.6.16)"
.IR /proc/sys/vm/drop_caches " (Linux 2.6.16 °Ê¹ß)"
.\"O Writing to this file causes the kernel to drop clean caches, dentries and
.\"O inodes from memory, causing that memory to become free.
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inode ¤ò¥á¥â¥ê¾å¤«¤é³°¤·¡¢¤½¤Î¥á¥â¥ê¤ò²òÊü¤¹¤ë¡£

.\"O To free pagecache, use
.\"O .IR "echo 1 > /proc/sys/vm/drop_caches" ;
.\"O to free dentries and inodes, use
.\"O .IR "echo 2 > /proc/sys/vm/drop_caches" ;
.\"O to free pagecache, dentries and inodes, use
.\"O .IR "echo 3 > /proc/sys/vm/drop_caches" .
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¤È¤¹¤ë¡£¥Ú¡¼¥¸¥­¥ã¥Ã¥·¥å¡¢dentry¡¢inode ¤ò²òÊü¤¹¤ë¤Ë¤Ï¡¢
.IR "echo 3 > /proc/sys/vm/drop_caches"
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.\"O Because this is a nondestructive operation and dirty objects
.\"O are not freeable, the
.\"O user should run
.\"O .BR sync (8)
.\"O first.
¤³¤ÎÁàºî¤ÏÈóÇ˲õŪ¤ÊÁàºî¤Ç¡¢¥À¡¼¥Æ¥£¤Ê (dirty) ¥ª¥Ö¥¸¥§¥¯¥È¤Ï
²òÊü¤µ¤ì¤Ê¤¤¤Î¤Ç¡¢¤³¤ÎÁàºî¤ò¹Ô¤¦ºÝ¤ÏºÇ½é¤Ë
.BR sync (8)
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.IR /proc/sys/vm/swappiness
.\" The following is from Documentation/sysctl/vm.txt
.\"O The value in this file controls how aggressively the kernel will swap
.\"O memory pages.
.\"O Higher values increase aggressiveness, lower values
.\"O descrease aggressiveness.
.\"O The default value is 60.
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¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 60 ¤Ç¤¢¤ë¡£
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.\"O .IR /proc/sys/vm/legacy_va_layout " (since Linux 2.6.9)"
.IR /proc/sys/vm/legacy_va_layout " (Linux 2.6.9 °Ê¹ß)"
.\"O .\" The following is from Documentation/filesystems/proc.txt
.\"O If nonzero, this disables the new 32-bit memory-mapping layout;
.\"O the kernel will use the legacy (2.4) layout for all processes.
.\" °Ê²¼¤Îµ­½Ò¤Ï Documentation/filesystems/proc.txt ¤«¤é¤Î°úÍѤǤ¢¤ë¡£
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¥«¡¼¥Í¥ë¤ÏÁ´¤Æ¤Î¥×¥í¥»¥¹¤ËÂФ·¤Æ½¾Íè¤Î (¥«¡¼¥Í¥ë 2.4 ¤Î) ÇÛÃÖÊýË¡¤ò
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.\"O .IR /proc/sys/vm/oom_dump_tasks " (since Linux 2.6.25)"
.IR /proc/sys/vm/oom_dump_tasks " (Linux 2.6.25 °Ê¹ß)"
.\" The following is from Documentation/sysctl/vm.txt
.\"O Enables a system-wide task dump (excluding kernel threads) to be
.\"O produced when the kernel performs an OOM-killing.
¥«¡¼¥Í¥ë¤¬ OOM-killing ¤ò¼Â¹Ô¤¹¤ëºÝ¤Ë¡¢¥·¥¹¥Æ¥àÁ´ÂΤΥ¿¥¹¥¯¡¦¥À¥ó¥×
(¥«¡¼¥Í¥ë¥¹¥ì¥Ã¥É¤ò½ü¤¯) ¤òÀ¸À®¤¹¤ë¤«¤òÀ©¸æ¤¹¤ë¡£
.\"O The dump includes the following information
.\"O for each task (thread, process):
.\"O thread ID, real user ID, thread group ID (process ID),
.\"O virtual memory size, resident set size,
.\"O the CPU that the task is scheduled on,
.\"O oom_adj score (see the description of
.\"O .IR /proc/[pid]/oom_adj ),
.\"O and command name.
¥À¥ó¥×¤Ë¤Ï¡¢¥¿¥¹¥¯ (¥¹¥ì¥Ã¥É¡¢¥×¥í¥»¥¹) Ëè¤Ë°Ê²¼¤Î¾ðÊ󤬽ÐÎϤµ¤ì¤ë:
¥¹¥ì¥Ã¥É ID¡¢¼Â¥æ¡¼¥¶ ID¡¢¥¹¥ì¥Ã¥É¥°¥ë¡¼¥× ID (¥×¥í¥»¥¹ ID)¡¢
²¾ÁÛ¥á¥â¥ê¥µ¥¤¥º¡¢Resident Set Size (¼Â¥á¥â¥ê¾å¤Ë¸ºß¤¹¤ë¥Ú¡¼¥¸¥µ¥¤¥º)¡¢
¥¿¥¹¥¯¤¬¥¹¥±¥¸¥å¡¼¥ê¥ó¥°¤µ¤ì¤¿ CPU¡¢
oom_adj ¥¹¥³¥¢
.RI ( /proc/[pid]/oom_adj
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.\"O This is helpful to determine why the OOM-killer was invoked
.\"O and to identify the rogue task that caused it.
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.\"O If this contains the value zero, this information is suppressed.
.\"O On very large systems with thousands of tasks,
.\"O it may not be feasible to dump the memory state information for each one.
.\"O Such systems should not be forced to incur a performance penalty in
.\"O OOM situations when the information may not be desired.
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³Æ¡¹¤Î¥¿¥¹¥¯¤Ë¤Ä¤¤¤Æ¥á¥â¥ê¾õÂÖ¤ò¥À¥ó¥×¤¹¤ë¤Î¤ÏŬÀڤǤʤ¤¤«¤â¤·¤ì¤Ê¤¤¡£
¤½¤Î¤è¤¦¤Ê¥·¥¹¥Æ¥à¤Ç¤Ï¡¢¥À¥ó¥×¾ðÊó¤¬É¬ÍפǤâ¤Ê¤¤¤È¤­¤Ë
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.\"O If this is set to nonzero, this information is shown whenever the
.\"O OOM-killer actually kills a memory-hogging task.
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.\"O The default value is 0.
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.\"O .IR /proc/sys/vm/oom_kill_allocating_task " (since Linux 2.6.24)"
.IR /proc/sys/vm/oom_kill_allocating_task " (Linux 2.6.24 °Ê¹ß)"
.\" The following is from Documentation/sysctl/vm.txt
.\"O This enables or disables killing the OOM-triggering task in
.\"O out-of-memory situations.
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.\"O If this is set to zero, the OOM-killer will scan through the entire
.\"O tasklist and select a task based on heuristics to kill.
.\"O This normally selects a rogue memory-hogging task that
.\"O frees up a large amount of memory when killed.
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.\"O If this is set to nonzero, the OOM-killer simply kills the task that
.\"O triggered the out-of-memory condition.
.\"O This avoids a possibly expensive tasklist scan.
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.\"O If
.\"O .I /proc/sys/vm/panic_on_oom
.\"O is nonzero, it takes precedence over whatever value is used in
.\"O .IR /proc/sys/vm/oom_kill_allocating_task .
.I /proc/sys/vm/panic_on_oom
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.\"O The default value is 0.
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.I /proc/sys/vm/overcommit_memory
.\"O This file contains the kernel virtual memory accounting mode.
.\"O Values are:
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.\"O 0: heuristic overcommit (this is the default)
0: ȯ¸«Åª¤Ê¥ª¡¼¥Ð¡¼¥³¥ß¥Ã¥È (heuristic overcommit) (¤³¤ì¤¬¥Ç¥Õ¥©¥ë¥È¤Ç¤¢¤ë)
.br
.\"O 1: always overcommit, never check
1: ¾ï¤Ë¥ª¡¼¥Ð¡¼¥³¥ß¥Ã¥È¤·¡¢¥Á¥§¥Ã¥¯¤·¤Ê¤¤¡£
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.\"O 2: always check, never overcommit
2: ¾ï¤Ë¥Á¥§¥Ã¥¯¤·¡¢¥ª¡¼¥Ð¡¼¥³¥ß¥Ã¥È¤·¤Ê¤¤¡£
.RE
.IP
.\"O In mode 0, calls of
.\"O .BR mmap (2)
.\"O with
.\"O .B MAP_NORESERVE
.\"O are not checked, and the default check is very weak,
.\"O leading to the risk of getting a process "OOM-killed".
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¥×¥í¥»¥¹¤ò "OOM-kill" ¤·¤Æ¤·¤Þ¤¦¥ê¥¹¥¯¤ò°ú¤­µ¯¤³¤¹¡£
.\"O Under Linux 2.4 any nonzero value implies mode 1.
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.\"O In mode 2 (available since Linux 2.6), the total virtual address space
.\"O on the system is limited to (SS + RAM*(r/100)),
.\"O where SS is the size of the swap space, and RAM
.\"O is the size of the physical memory, and r is the contents of the file
.\"O .IR /proc/sys/vm/overcommit_ratio .
(Linux 2.6 °Ê¹ß¤ÇÍøÍѲÄǽ¤Ê) ¥â¡¼¥É 2 ¤Ç¤Ï¡¢
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.I /proc/sys/vm/overcommit_ratio
.\"O See the description of
.\"O .IR /proc/sys/vm/overcommit_memory .
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.\"O .IR /proc/sys/vm/panic_on_oom " (since Linux 2.6.18)"
.IR /proc/sys/vm/panic_on_oom " (Linux 2.6.18 °Ê¹ß)"
.\" The following is adapted from Documentation/sysctl/vm.txt
.\"O This enables or disables a kernel panic in
.\"O an out-of-memory situation.
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.\"O If this file is set to the value 0,
.\"O the kernel's OOM-killer will kill some rogue process.
.\"O Usually, the OOM-killer is able to kill a rogue process and the
.\"O system will survive.
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.\"O If this file is set to the value 1,
.\"O then the kernel normally panics when out-of-memory happens.
.\"O However, if a process limits allocations to certain nodes
.\"O using memory policies
.\"O .RB ( mbind  (2)
.\"O .BR MPOL_BIND )
.\"O or cpusets
.\"O .RB ( cpuset (7))
.\"O and those nodes reach memory exhaustion status,
.\"O one process may be killed by the OOM-killer.
.\"O No panic occurs in this case:
.\"O because other nodes' memory may be free,
.\"O this means the system as a whole may not have reached
.\"O an out-of-memory situation yet.
¤³¤Î¥Õ¥¡¥¤¥ë¤ËÃÍ 1 ¤òÀßÄꤹ¤ë¤È¡¢
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¤ä cpusets
.RB ( cpuset (7))
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.\"O If this file is set to the value 2,
.\"O the kernel always panics when an out-of-memory condition occurs.
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.\"O The default value is 0.
.\"O 1 and 2 are for failover of clustering.
.\"O Select either according to your policy of failover.
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.\"O .IR /proc/sysrq-trigger " (since Linux 2.4.21)"
.IR /proc/sysrq-trigger " (Linux 2.4.21 °Ê¹ß)"
.\"O Writing a character to this file triggers the same SysRq function as
.\"O typing ALT-SysRq-<character> (see the description of
.\"O .IR /proc/sys/kernel/sysrq ).
.\"O This file is normally only writable by
.\"O .IR root .
.\"O For further details see the kernel source file
.\"O .IR Documentation/sysrq.txt .
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.I root
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.I Documentation/sysrq.txt
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.I /proc/sysvipc
.\"O Subdirectory containing the pseudo-files
.\"O .IR msg ", "  sem " and "  shm "."
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.\"O These files list the System V Interprocess Communication (IPC) objects
.\"O (respectively: message queues, semaphores, and shared memory)
.\"O that currently exist on the system,
.\"O providing similar information to that available via
.\"O .BR ipcs (1).
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.BR ipcs (1)
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.\"O These files have headers and are formatted (one IPC object per line)
.\"O for easy understanding.
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.\"O .BR svipc (7)
.\"O provides further background on the information shown by these files.
.BR svipc (7)
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.I /proc/tty
.\"O Subdirectory containing the pseudo-files and subdirectories for
.\"O tty drivers and line disciplines.
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.I /proc/uptime
.\"O This file contains two numbers: the uptime of the system (seconds),
.\"O and the amount of time spent in idle process (seconds).
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.I /proc/version
.\"O This string identifies the kernel version that is currently running.
.\"O It includes the contents of
.\"O .IR /proc/sys/kernel/ostype ,
.\"O .I /proc/sys/kernel/osrelease
.\"O and
.\"O .IR /proc/sys/kernel/version .
.\"O For example:
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.IR /proc/sys/ostype ,
.IR /proc/sys/osrelease ,
.I /proc/sys/version
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.nf
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Linux version 1.0.9 (quinlan@phaze) #1 Sat May 14 01:51:54 EDT 1994
.ft
.in +2
.fi
.\" FIXME Document /proc/timer_list
.\" .TP
.\" .IR /proc/timer_list " (since Linux 2.6.21)"
.\" See the 2.6.21 Change log
.\" FIXME Document /proc/timer_stats
.\" .TP
.\" .IR /proc/timer_stats " (since Linux 2.6.21)"
.\" See the 2.6.21 Change log
.TP
.\"O .IR /proc/vmstat " (since Linux 2.6)"
.IR /proc/vmstat " (Linux 2.6 °Ê¹ß)"
.\"O This file displays various virtual memory statistics.
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.\"O .IR /proc/zoneinfo " (since Linux 2.6.13)"
.IR /proc/zoneinfo " (Linux 2.6.13 °Ê¹ß)"
.\"O This file display information about memory zones.
.\"O This is useful for analyzing virtual memory behavior.
.\"O .\" FIXME more should be said about /proc/zoneinfo
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.\" FIXME -- /proc/zoneinfo ¤Ë¤Ä¤¤¤Æ¤â¤Ã¤ÈÀâÌÀ¤¬É¬ÍפÀ
.\"O .SH NOTES
.SH Ãí°Õ
.\"O Many strings (i.e., the environment and command line) are in
.\"O the internal format, with subfields terminated by null bytes (\(aq\\0\(aq),
.\"O so you
.\"O may find that things are more readable if you use \fIod \-c\fP or \fItr
.\"O "\\000" "\\n"\fP to read them.
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³Æ¥Õ¥£¡¼¥ë¥É¤Ï NULL ¥Ð¥¤¥È (\(aq\\0\(aq) ¤Ç¶èÀÚ¤é¤ì¤Æ¤¤¤ë¡£
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.\"O Alternatively, \fIecho \`cat <file>\`\fP works well.
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.\"O This manual page is incomplete, possibly inaccurate, and is the kind
.\"O of thing that needs to be updated very often.
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.\"O .\" .SH ACKNOWLEDGEMENTS
.\" .SH ¼Õ¼­
.\"O .\" The material on /proc/sys/fs and /proc/sys/kernel is closely based on
.\"O .\" kernel source documentation files written by Rik van Riel.
.\" /proc/sys/fs ¤È /proc/sys/kernel ¤Î»ñÎÁ¤Ï¡¢
.\" Rik van Riel ¤¬½ñ¤¤¤¿¥«¡¼¥Í¥ë¥½¡¼¥¹¥Õ¥¡¥¤¥ë¤Î¥É¥­¥å¥á¥ó¥È¤Ë
.\" Ì©Àܤ˴ð¤Å¤¤¤Æ¤¤¤ë¡£
.\"O .SH SEE ALSO
.SH ´ØÏ¢¹àÌÜ
.BR cat (1),
.BR dmesg (1),
.BR find (1),
.BR free (1),
.BR ps (1),
.BR tr (1),
.BR uptime (1),
.BR chroot (2),
.BR mmap (2),
.BR readlink (2),
.BR syslog (2),
.BR slabinfo (5),
.BR hier (7),
.BR time (7),
.BR arp (8),
.BR hdparm (8),
.BR ifconfig (8),
.BR init (8),
.BR lsmod (8),
.BR lspci (8),
.BR mount (8),
.BR netstat (8),
.BR procinfo (8),
.BR route (8)
.br
.\"O The kernel source files:
¥«¡¼¥Í¥ë¤Î¥½¡¼¥¹¥Õ¥¡¥¤¥ë:
.IR Documentation/filesystems/proc.txt ,
.IR Documentation/sysctl/vm.txt