From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Don Zickus <dzickus@redhat.com>,
Stephane Eranian <eranian@google.com>,
Lin Ming <ming.m.lin@intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -tip, final] perf, x86: Add hw_watchdog_set_attr() in a sake of nmi-watchdog on P4
Date: Fri, 8 Jul 2011 17:12:18 +0400 [thread overview]
Message-ID: <20110708131218.GE23657@sun> (raw)
In-Reply-To: <20110708130147.GD23657@sun>
On Fri, Jul 08, 2011 at 05:01:47PM +0400, Cyrill Gorcunov wrote:
...
>
> Changing cpu-cycles to bus cycles will allow nmi-watchdog and
> perf top co-exsist but it means perf bus-cycles won't work anymore
oops, I forgot that they both using MSR_P4_FSB_ESCR0/1, so no, they won't work
together (ie nmi-watchdog and perf top won't work simultaneously). So lets
wait for test results, I hope they pass well and we finally isolate all this
crap inside p4 pmu code leaving all code around untouched ;)
> with active nmi-watchdog. So I think events aliases (again, if it
> work :) will be better for us, right?
>
Cyrill
next prev parent reply other threads:[~2011-07-08 13:12 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-05 10:03 [PATCH -tip, final] perf, x86: Add hw_watchdog_set_attr() in a sake of nmi-watchdog on P4 Cyrill Gorcunov
2011-07-05 10:20 ` Ingo Molnar
2011-07-05 10:34 ` Cyrill Gorcunov
2011-07-05 10:59 ` Ingo Molnar
2011-07-05 11:05 ` Cyrill Gorcunov
2011-07-05 11:20 ` Ingo Molnar
2011-07-05 11:36 ` Cyrill Gorcunov
2011-07-05 11:44 ` Ingo Molnar
2011-07-05 11:49 ` Cyrill Gorcunov
2011-07-05 12:14 ` Cyrill Gorcunov
2011-07-05 13:10 ` Ingo Molnar
2011-07-05 13:17 ` Peter Zijlstra
2011-07-05 13:31 ` Ingo Molnar
2011-07-05 14:19 ` Cyrill Gorcunov
2011-07-08 12:44 ` Ingo Molnar
2011-07-05 14:20 ` Peter Zijlstra
2011-07-05 14:40 ` Peter Zijlstra
2011-07-05 14:56 ` Ingo Molnar
2011-07-05 15:25 ` Cyrill Gorcunov
2011-07-06 7:01 ` Cyrill Gorcunov
2011-07-08 12:49 ` Ingo Molnar
2011-07-08 13:01 ` Cyrill Gorcunov
2011-07-08 13:09 ` Ingo Molnar
2011-07-08 13:12 ` Cyrill Gorcunov [this message]
2011-07-05 13:26 ` Cyrill Gorcunov
2011-07-05 12:24 ` Don Zickus
2011-07-05 12:26 ` Cyrill Gorcunov
2011-07-05 12:44 ` Don Zickus
2011-07-05 12:56 ` Cyrill Gorcunov
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