linux-kernel - Re: [PATCH 4/4] perf, x86: Add PERF_COUNT_HW_NMI

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Message-ID: <4DB19B80.5000900@gmail.com>
Date:	Fri, 22 Apr 2011 19:15:12 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Ingo Molnar <mingo@...e.hu>, Don Zickus <dzickus@...hat.com>,
	"x86@...nel.org" <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] perf, x86: Add PERF_COUNT_HW_NMI_WATCHDOG event

On 04/22/2011 01:45 PM, Peter Zijlstra wrote:
...
> 
> Right, so the idea is that one event (concept) has two (or more)
> representations in the config space. And when scheduling the events we
> find we have a conflict, we simply try the alternative encoding(s).
> 
...

  Yeah, Peter, I think it's quite possible to use alternative encoding for p4 as well,
not sure tho if some "generalized" approach for all perf would be applied to p4 but
we can make event "aliases" being per-pmu eventually.

  So Ingo, drop this patch then ;)

-- 
    Cyrill
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