ACK: [PATCH 0/1][Oneiric/Precise] Fix powertop wakeup reporting

Tim Gardner tim.gardner at canonical.com
Fri Nov 4 10:42:44 UTC 2011


On 11/03/2011 11:35 AM, Seth Forshee wrote:
> powertop currently doesn't report any wakeups because the tracepoints it
> uses are disabled. The tracepoints in question are deprecated, but until
> powertop is fixed we should enable them to aid in debugging power
> issues.
>
> == Oneiric SRU Justification ==
>
> Impact: powertop uses deprecated tracepoints to detect what is waking
> the CPU, but in Oneiric/Precise these tracepoints are disabled, and
> powertop reports that no wakeups are occuring.
>
> Fix: Enable the tracepoints by setting
> CONFIG_EVENT_POWER_TRACING_DEPRECATED=y.
>
> Testcase: Running powertop without this option gives 0 events/s; running
> with this option gives real values. I've personally verified this on
> oneiric.
>


-- 
Tim Gardner tim.gardner at canonical.com




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