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Message-ID: <20100910164224.GA10878@elte.hu>
Date: Fri, 10 Sep 2010 18:42:24 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Robert Richter <robert.richter@....com>,
Don Zickus <dzickus@...hat.com>,
"gorcunov@...il.com" <gorcunov@...il.com>,
"fweisbec@...il.com" <fweisbec@...il.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"ying.huang@...el.com" <ying.huang@...el.com>,
"ming.m.lin@...el.com" <ming.m.lin@...el.com>,
"yinghai@...nel.org" <yinghai@...nel.org>,
"andi@...stfloor.org" <andi@...stfloor.org>,
"eranian@...gle.com" <eranian@...gle.com>
Subject: Re: [PATCH 0/3 v2] nmi perf fixes
* Ingo Molnar <mingo@...e.hu> wrote:
>
> * Peter Zijlstra <peterz@...radead.org> 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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