linux-kernel - Re: [RFC] [PATCH] perf, x86: Add PERF_COUNT_HW_NMI

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Message-ID: <4D95B80D.5010703@gmail.com>
Date:	Fri, 01 Apr 2011 15:33:33 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	lkml <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Lin Ming <ming.m.lin@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [RFC] [PATCH] perf, x86: Add PERF_COUNT_HW_NMI_WATCHDOG event

On 04/01/2011 03:05 PM, Cyrill Gorcunov wrote:
...
>>
>> is x86 the only arch using the watchdog things?
> 
> Hm, good question. The powerpc, sparc, sh, arm, mips have PERF_COUNT_HW_CPU_CYCLES.
> Seems I've missed those archs. Thanks Peter, will take a look.
> 

ok, as far as I see nmi-watchdog is x86 specific (only x86 refers to
CONFIG_HARDLOCKUP_DETECTOR at least for now).

-- 
    Cyrill
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