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| author | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:51:56 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:51:56 -0800 |
| commit | 68529c0f36074be88ee937634fb9433e69c96388 (patch) | |
| tree | 00c842c0eff6a2b946e1c11a1bdf2d632535e0a7 /Documentation/cgroups/cpuacct.txt | |
| parent | f9a10833c7a12ce1244685eba88848bb88bbd43f (diff) | |
| parent | 3ac6e2e8106ac304c56b9435c907b2b3bda27a09 (diff) | |
Merge branch 'korg-android-tegra-3.1' into after-upstream-android
Conflicts:
arch/arm/mach-tegra/Kconfig
arch/arm/mach-tegra/board-ventana.c
drivers/misc/Kconfig
drivers/video/tegra/dc/hdmi.c
Signed-off-by: Dan Willemsen <dwillemsen@nvidia.com>
Diffstat (limited to 'Documentation/cgroups/cpuacct.txt')
| -rw-r--r-- | Documentation/cgroups/cpuacct.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/cgroups/cpuacct.txt b/Documentation/cgroups/cpuacct.txt index 9d73cc0cadb9..e21a932059fb 100644 --- a/Documentation/cgroups/cpuacct.txt +++ b/Documentation/cgroups/cpuacct.txt @@ -39,6 +39,13 @@ system: Time spent by tasks of the cgroup in kernel mode. user and system are in USER_HZ unit. +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: |