Re: [PATCH 6/8] perf: Account freq events per cpu

[Frederic Weisbecker]

On Thu, Aug 01, 2013 at 04:40:05PM +0200, Peter Zijlstra wrote:
> On Thu, Aug 01, 2013 at 04:21:11PM +0200, Frederic Weisbecker wrote:
> > > > Yeah, just go with a single global state for now..
> > > 
> > > The perf default is to create inherited counter, which are per cpu
> > > anyway. So we'll not loose much.
> > 
> > So you mean that I keep the per cpu state when event->cpu != -1 and also have
> > a global counter for the others. Right?
> 
> No, only a single global counter. The fact that perf, by default,
> creates a counter per cpu, means that there's little effective
> difference between a single global counter and per-cpu counters.

Good point! I just included that in the changelog.

Thanks.
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