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Commit 985ee7f2 authored by Paul Jackson's avatar Paul Jackson Committed by Linus Torvalds
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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: default avatarPaul Jackson <pj@sgi.com>
Acked-by: default avatarMichael Kerrisk <mtk.manpages@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 51597acf

Documentation/cpusets.txt

+4 −2
Original line number Diff line number Diff line
@@ -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