Re: [PATCH V2 1/1] perf/x86: Add Intel power cstate PMUs support

From: Peter Zijlstra
Date: Thu Aug 06 2015 - 17:32:52 EST


On Thu, Aug 06, 2015 at 11:14:17AM -0700, Stephane Eranian wrote:
> On Thu, Aug 6, 2015 at 8:44 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> >> +static cpumask_t power_cstate_core_cpu_mask;
> >
> > That one typically does not need a cpumask.
> >
> You need to pick one CPU out of the multi-core. But it is for client parts thus
> there is only one socket. At least this is my understanding.

Oh crud, core as in a group of SMT. There's so much core as in logical
cpu usage around these days I got confused :/
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