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

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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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