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Message-ID: <cfd18e0f0806270740v23e0e0e4jc7ca520dcf31540f@mail.gmail.com>
Date: Fri, 27 Jun 2008 16:40:18 +0200
From: "Michael Kerrisk" <mtk.manpages@...glemail.com>
To: "Paul Jackson" <pj@....com>
Cc: "Andrew Morton" <akpm@...ux-foundation.org>,
"Paul Menage" <menage@...gle.com>, linux-kernel@...r.kernel.org,
"Mike Travis" <travis@....com>
Subject: Re: [PATCH] cpusets: document proc status cpus and mems allowed lists
On Fri, Jun 27, 2008 at 4:05 PM, Paul Jackson <pj@....com> wrote:
> From: Paul Jackson <pj@....com>
>
> Provide a little documentation for the two new fields,
> Cpus_allowed_list and Mems_allowed_list, that were
> added to each /proc/<pid>/status file a while back.
>
> Signed-off-by: Paul Jackson <pj@....com>
Acked-by: Michael Kerrisk <mtk,manpages@...il.com>
> ---
> Documentation/cpusets.txt | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> --- 2.6.26-rc5-mm3.orig/Documentation/cpusets.txt 2008-06-27 06:20:55.000000000 -0700
> +++ 2.6.26-rc5-mm3/Documentation/cpusets.txt 2008-06-27 06:55:34.609862065 -0700
> @@ -154,13 +154,15 @@ browsing and modifying the cpusets prese
> new system calls are added for cpusets - all support for querying and
> modifying cpusets is via this cpuset file system.
>
> -The /proc/<pid>/status file for each task has two added lines,
> +The /proc/<pid>/status file for each task has four added lines,
> displaying the tasks cpus_allowed (on which CPUs it may be scheduled)
> and mems_allowed (on which Memory Nodes it may obtain memory),
> -in the format seen in the following example:
> +in the two formats seen in the following example:
>
> Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff
> + Cpus_allowed_list: 0-127
> Mems_allowed: ffffffff,ffffffff
> + Mems_allowed_list: 0-63
>
> Each cpuset is represented by a directory in the cgroup file system
> containing (on top of the standard cgroup files) the following
>
> --
> I won't rest till it's the best ...
> Programmer, Linux Scalability
> Paul Jackson <pj@....com> 1.650.933.1373
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html
Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html
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