Messages in this thread | | | Date | Fri, 30 Jun 2017 08:57:41 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH V2 3/4] intel_pstate: Ignore scheduler cpufreq callbacks on remote CPUs |
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On 29-06-17, 14:23, Srinivas Pandruvada wrote: > On Thu, 2017-06-29 at 10:56 +0530, Viresh Kumar wrote: > > From: Steve Muckle <smuckle.linux@gmail.com> > > > > In preparation for the scheduler cpufreq callback happening on remote > > CPUs, check for this case in intel_pstate which currently requires > > the > > callback run on the local CPU. Such callbacks are ignored for now. > Is it possible that we miss a chance to calculate load periodically at > a predefined interval (10ms default), because the callback happened on > a different CPU?
We aren't updating cpu->sample.time for remote callbacks here, so no we shouldn't miss anything.
-- viresh
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