Messages in this thread | | | Subject | Re: [PATCH 2/5] perf, x86: Don't assume there can be only 4 PEBS events | From | Peter Zijlstra <> | Date | Wed, 06 Jun 2012 17:00:03 +0200 |
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On Tue, 2012-06-05 at 17:56 -0700, Andi Kleen wrote: > On Sandy Bridge in non HT mode there are 8 counters available. Since every > counter can write a PEBS record assuming there are 4 max is incorrect. Use > the reported counter number -- with an upper limit for a static array -- instead.
While I queued this patch, its effectively a NOP since all SNB PEBS constraints are still on 4 counters.
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