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
next prev parent 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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