diff options
| author | Mike Chan <mike@android.com> | 2010-05-12 15:52:14 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:38:19 -0800 |
| commit | 6c0d4dd0527f87230469a088b3b51823a96de7ce (patch) | |
| tree | 809cec6ec853a4219900f36d9dc17aa4c33b64f3 /Documentation | |
| parent | 9075fa48d0b4453038b53a12d2a474312bf68742 (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 ac8c648ae2bc..e21a932059fb 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: |