Re: [PATCH 0/3 v2] nmi perf fixes

From: Ingo Molnar
Date: Fri Sep 10 2010 - 12:43:01 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

>
> * Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> > On Fri, 2010-09-10 at 17:17 +0200, Robert Richter wrote:
> > > > perf record -g ./hackbench 10
> > >
> > > I try to reproduce it, which systems are affected?
> >
> > I know for sure Ingo's Barcelona and my Opteron 12xx.
>
> Havent seen it on an AMD Athlon64 dual-core box - but havent tried
> really hard there.

Also note that i tried _really_ hard to trigger it on an Intel system
(Nehalem), with multi-hour tests, and it didnt trigger there. So this
only occurs on AMD systems.

Thanks,

Ingo
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