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| author | Mike Chan <mike@android.com> | 2010-05-12 15:52:14 -0700 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2011-09-19 21:30:41 -0700 |
| commit | 58c93859b50b5d34f72a74d09e54018be09cc2fc (patch) | |
| tree | c87ec698f974bcd484fa2c080fd4a1ec169e244c /Documentation | |
| parent | 2c23ca79a0ae67a76bf9edfa76177e2d0722351d (diff) | |
scheduler: cpuacct: Enable platform callbacks for cpuacct power tracking
Platform must register cpu power function that return power in
milliWatt seconds.
Change-Id: I1caa0335e316c352eee3b1ddf326fcd4942bcbe8
Signed-off-by: Mike Chan <mike@android.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/cgroups/cpuacct.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/cgroups/cpuacct.txt b/Documentation/cgroups/cpuacct.txt index ac8c648ae2b..e21a932059f 100644 --- a/Documentation/cgroups/cpuacct.txt +++ b/Documentation/cgroups/cpuacct.txt @@ -43,6 +43,9 @@ cpuacct.cpufreq file gives CPU time (in nanoseconds) spent at each CPU frequency. Platform hooks must be implemented inorder to properly track time at each CPU frequency. +cpuacct.power file gives CPU power consumed (in milliWatt seconds). Platform +must provide and implement power callback functions. + cpuacct controller uses percpu_counter interface to collect user and system times. This has two side effects: |