diff options
| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-01-15 13:50:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-15 16:39:37 -0800 |
| commit | 45ce80fb6b6f9594d1396d44dd7e7c02d596fef8 (patch) | |
| tree | 2409270f7073c08329ac01c82df0509a264af48c /Documentation/controllers/cpuacct.txt | |
| parent | 23964d2d02984d44aeb2d84d7ffb3359e728df43 (diff) | |
cgroups: consolidate cgroup documents
Move Documentation/cpusets.txt and Documentation/controllers/* to
Documentation/cgroups/
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/controllers/cpuacct.txt')
| -rw-r--r-- | Documentation/controllers/cpuacct.txt | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/Documentation/controllers/cpuacct.txt b/Documentation/controllers/cpuacct.txt deleted file mode 100644 index bb775fbe43d..00000000000 --- a/Documentation/controllers/cpuacct.txt +++ /dev/null @@ -1,32 +0,0 @@ -CPU Accounting Controller -------------------------- - -The CPU accounting controller is used to group tasks using cgroups and -account the CPU usage of these groups of tasks. - -The CPU accounting controller supports multi-hierarchy groups. An accounting -group accumulates the CPU usage of all of its child groups and the tasks -directly present in its group. - -Accounting groups can be created by first mounting the cgroup filesystem. - -# mkdir /cgroups -# mount -t cgroup -ocpuacct none /cgroups - -With the above step, the initial or the parent accounting group -becomes visible at /cgroups. At bootup, this group includes all the -tasks in the system. /cgroups/tasks lists the tasks in this cgroup. -/cgroups/cpuacct.usage gives the CPU time (in nanoseconds) obtained by -this group which is essentially the CPU time obtained by all the tasks -in the system. - -New accounting groups can be created under the parent group /cgroups. - -# cd /cgroups -# mkdir g1 -# echo $$ > g1 - -The above steps create a new group g1 and move the current shell -process (bash) into it. CPU time consumed by this bash and its children -can be obtained from g1/cpuacct.usage and the same is accumulated in -/cgroups/cpuacct.usage also. |