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| author | Ruchi Kandoi <kandoiruchi@google.com> | 2018-07-24 20:35:44 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-07-26 11:17:47 +0300 |
| commit | 601b218568a107370086dc5c7a1b283f8d463268 (patch) | |
| tree | 9d45980743e50f386198cf2c17b44904161c15a5 /Documentation/trace | |
| parent | 6e926363fc0071e6dc33349dedd97f28e9a2e464 (diff) | |
| download | linux-601b218568a107370086dc5c7a1b283f8d463268.tar.xz | |
cpufreq: trace frequency limits change
systrace used for tracing for Android systems has carried a patch for
many years in the Android tree that traces when the cpufreq limits
change. With the help of this information, systrace can know when the
policy limits change and can visually display the data. Lets add
upstream support for the same.
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation/trace')
| -rw-r--r-- | Documentation/trace/events-power.rst | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/trace/events-power.rst b/Documentation/trace/events-power.rst index a77daca75e30..2ef318962e29 100644 --- a/Documentation/trace/events-power.rst +++ b/Documentation/trace/events-power.rst @@ -27,6 +27,7 @@ cpufreq. cpu_idle "state=%lu cpu_id=%lu" cpu_frequency "state=%lu cpu_id=%lu" + cpu_frequency_limits "min=%lu max=%lu cpu_id=%lu" A suspend event is used to indicate the system going in and out of the suspend mode: |