Re: [PATCH 0/9] perf/x86: implement HT counter corruption workaround

From: Andi Kleen
Date: Wed Jun 04 2014 - 18:29:08 EST


> There is no HW or FW workaround for this problem.

Actually there is for global measurements:

measure with Any bit set and divide by two.

Please add a check that the any bit is set, and disable
the workaround for that case.

-Andi

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