Messages in this thread | | | Date | Thu, 12 Aug 2010 14:21:26 -0400 | From | Don Zickus <> | Subject | Re: [PATCH -v2] perf, x86: try to handle unknown nmis with running perfctrs |
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On Thu, Aug 12, 2010 at 03:10:07PM +0200, Robert Richter wrote: > 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.
For my own curiousity, what type of high load perf sessions are you using to test this. I don't know perf well enough to have it generate events across multiple perfctrs.
Thanks, Don
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