Re: [PATCH -v2] perf, x86: try to handle unknown nmis with runningperfctrs

From: Robert Richter
Date: Thu Aug 12 2010 - 09:13:40 EST


On 12.08.10 00:00:58, Robert Richter wrote:
> I was debuging this a little more, see version 2 below.

I was testing the patch further, it properly filters perfctr
back-to-back nmis. I was able to reliable detect unknown nmis
triggered by the nmi button during high load perf sessions with
multiple counters, no false positives.

>
> -Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center

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