Re: [PATCH -v3] perf, x86: try to handle unknown nmis with running perfctrs

Robert Richter
2010-08-20T08:38:19Z

On 19.08.10 21:50:17, Don Zickus wrote:
> I tested this patch and Robert's on an AMD box and Nehalem box. Both
> worked as intended. However I did notice that whenever the AMD box
> detected handled >1, it was shortly followed by an unknown_nmi that was
> properly eaten with Robert's logic. Whereas on the Nehalem box I saw a
> lot of 'handled > 1' messages but very very few of them were followed by
> an unknown_nmi message (and those messages that did come were properly
> eaten).

Don, thanks for testing this.

-Robert

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