linux-kernel - Re: [RFC PATCH 1/3] perf: Add cpumask for uncore pmu

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Message-ID: <20120910231005.GA29169@ghostprotocols.net>
Date:	Mon, 10 Sep 2012 16:10:05 -0700
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	"Yan, Zheng" <zheng.z.yan@...el.com>, eranian@...gle.com,
	mingo@...e.hu, andi@...stfloor.org, jolsa@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/3] perf: Add cpumask for uncore pmu

Em Mon, Sep 10, 2012 at 06:34:26PM +0200, Peter Zijlstra escreveu:
> On Mon, 2012-09-10 at 15:53 +0800, Yan, Zheng wrote:
> > This patchset add a cpumask file to the uncore pmu sysfs directory.
> > If user doesn't explicitly specify CPU list, perf-stat only collects
> > uncore events on CPUs listed in the cpumask file.

> > As Stephane suggested, make perf-stat recognize wildcard in pmu name.
> > So we can easily measure event on all uncore boxes of same type.

> > Any comment is appreciated.
 
> You forgot to CC acme who maintains the tools side.. Anyway, I think it
> all looks ok, Arnaldo see anything dubious in there?

I'll look at that tomorrow, when my caffeine level is high and the other
substance is down, thanks.

- Arnaldo

P.S. thanks for pointing the (l)userlevel part, much appreciated.
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