Re: [PATCH v2] perf: fix assertion failure in x86_pmu_start()

From: Eric Dumazet
Date: Tue Feb 07 2012 - 09:36:17 EST

Le mardi 07 fÃvrier 2012 Ã 14:39 +0100, Stephane Eranian a Ãcrit :
> The following patch fixes an issue introduced by the following
> commit:
> e050e3f0a71b ("perf: Fix broken interrupt rate throttling")
> The patch caused the following warning to pop up depending on
> the sampling frequency adjustments:

> In this second version, we've added calls to disable/enable PMU during
> unthrottling or frequency adjustment based on bug report of spurious
> NMI interrupts from Eric Dumazet.
> Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>
> ---

I tested successfully this patch on my two dev machines, thanks for
fixing this Stephane.

Reported-and-tested-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

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