Messages in this thread | | | Date | Thu, 1 Aug 2013 16:40:05 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 6/8] perf: Account freq events per cpu |
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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.
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