linux-kernel - Re: [RFC][PATCH 11/11] perf: Rework the PMU methods

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Message-ID: <20100629180947.GB11967@nowhere>
Date:	Tue, 29 Jun 2010 20:09:49 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	paulus <paulus@...ba.org>,
	stephane eranian <eranian@...glemail.com>,
	Robert Richter <robert.richter@....com>,
	Will Deacon <will.deacon@....com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Cyrill Gorcunov <gorcunov@...il.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Yanmin <yanmin_zhang@...ux.intel.com>,
	Deng-Cheng Zhu <dengcheng.zhu@...il.com>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 11/11] perf: Rework the PMU methods

On Tue, Jun 29, 2010 at 06:40:01PM +0200, Peter Zijlstra wrote:
> On Tue, 2010-06-29 at 17:37 +0200, Frederic Weisbecker wrote:
> 
> > Acked-by: Frederic Weisbecker <fweisbec@...il.com>
> 
> I know it breaks at least x86 (although subtle, takes a few perf records
> to daze and confuse), arm and sh.
> 
> I need to get back to this patch-set and sort that :-)


Ok :)

But at least the whole idea looks good. Concerning the software parts
I will make a second pass to optimize from my exclusion patchset, but
other than that, it sets a nice background for it.

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