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| author | Paul Jackson <pj@sgi.com> | 2008-07-04 21:00:01 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-04 21:40:09 +0400 |
| commit | 985ee7f224cca8a0d622b24ec399f364c63fc274 (patch) | |
| tree | 0d53400018d9866af2b04d7c0ccba735d6678595 /Documentation/cpusets.txt | |
| parent | 51597acfd3c09073aeea94a0e6f76a931f8c22d2 (diff) | |
| download | linux-985ee7f224cca8a0d622b24ec399f364c63fc274.tar.xz | |
cpusets: document proc status cpus and mems allowed lists
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@sgi.com>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/cpusets.txt')
| -rw-r--r-- | Documentation/cpusets.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt index 353504de3084..894b844153ea 100644 --- a/Documentation/cpusets.txt +++ b/Documentation/cpusets.txt @@ -154,13 +154,15 @@ browsing and modifying the cpusets presently known to the kernel. No 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 |