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Subject: Re: [PATCH 0/4] perf: Intel uncore pmu counting support
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Stephane Eranian <eranian@google.com>
Cc: Lin Ming <ming.m.lin@intel.com>, Ingo Molnar <mingo@elte.hu>,
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Date: Thu, 30 Jun 2011 16:10:54 +0200
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On Thu, 2011-06-30 at 14:10 +0200, Stephane Eranian wrote:
> > This series are cut to support uncore pmu counting only.
> > So uncore interrupt handling is not needed.
> >
> You're making the assumption that when counting, you can never construct
> a measurement that will cause a counter to overflow the 39 bits. If not, then
> you need interrupt handling even when counting.
> 

Also, I'm missing the stuff that maps everything to one active cpu in
the uncore mask. IIRC your previous postings had stuff like that.