Messages in this thread | | | Date | Tue, 17 Aug 2010 00:55:25 +0200 | From | Robert Richter <> | Subject | Re: [PATCH -v2] perf, x86: try to handle unknown nmis with running perfctrs |
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On 16.08.10 15:06:59, Cyrill Gorcunov wrote: > I suspect Peter was supposed to be in To: field ;)
It was the attempt to answer 2 mails with one. :)
> Robert, I think we still may miss unknown irq, consider the case when > unknown nmi is latched while you handle nmi from perf and what is > more interesting several counters may be overflowed. So you set > delta small enough and second (unknown nmi) will be in range and > treated as being perf back-to-back, or I miss something from patch?
Yes, that's true, but before you have to enable your Infinite Improbability Drive.
-Robert
-- Advanced Micro Devices, Inc. Operating System Research Center
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