Re: [PATCH 1/3] perf, x86: Blacklist all MEM_*_RETIRED events for IVB

From: Andi Kleen
Date: Fri May 03 2013 - 10:40:29 EST


On Fri, May 03, 2013 at 02:11:23PM +0200, Peter Zijlstra wrote:
> Errata BV98 states that all MEM_*_RETIRED events corrupt the counter
> value of the SMT sibling's counters. Blacklist these events

I disagree with this patch. This is just overkill and not needed
at all.

-Andi
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