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From: David Ahern <dsahern@gmail.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Shaun Ruffell <sruffell@digium.com>, Ingo Molnar <mingo@elte.hu>,
	Lin Ming <ming.m.lin@intel.com>, Don Zickus <dzickus@redhat.com>,
	Maciej Rutecki <maciej.rutecki@gmail.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Stephane Eranian <eranian@google.com>,
	Robert Richter <robert.richter@amd.com>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -tip] perf, x86: fix unknown NMIs on a Pentium4 box
Date: Thu, 14 Apr 2011 13:35:56 -0600	[thread overview]
Message-ID: <4DA74C9C.9070609@gmail.com> (raw)
In-Reply-To: <4DA73AC9.6080901@gmail.com>

On 04/14/11 12:19, Cyrill Gorcunov wrote:
> On 04/14/2011 10:12 PM, Shaun Ruffell wrote:

> Btw, Shaun, perf top wont work on P4 for a while (since it needs nmi-watchdog
> to be disabled).
> 

perf-top defaults to H/W cycles event. Just need to force it to S/W
events (the fallback for systems that do not support cycles event):
   perf top -e cpu-clock

David

  reply	other threads:[~2011-04-14 19:36 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-14 14:48 [PATCH -tip] perf, x86: fix unknown NMIs on a Pentium4 box Cyrill Gorcunov
2011-04-14 15:03 ` Ingo Molnar
2011-04-14 15:06   ` Cyrill Gorcunov
2011-04-14 17:43 ` Ingo Molnar
2011-04-14 17:44   ` Ingo Molnar
2011-04-14 17:49     ` Cyrill Gorcunov
2011-04-14 18:12       ` Shaun Ruffell
2011-04-14 18:14         ` Cyrill Gorcunov
2011-04-14 18:19         ` Cyrill Gorcunov
2011-04-14 19:35           ` David Ahern [this message]
2011-04-14 17:46   ` Cyrill Gorcunov
2011-04-14 18:32   ` Don Zickus
2011-04-14 18:45     ` Ingo Molnar
2011-04-14 18:46     ` Ingo Molnar
2011-04-14 19:43       ` Cyrill Gorcunov
2011-04-14 19:57         ` Don Zickus
2011-04-14 20:05           ` Cyrill Gorcunov
2011-04-14 20:18             ` Cyrill Gorcunov

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