linux-kernel - Re: [GIT PULL 0/4] perf/core improvements

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Message-ID: <20101203130528.GB19363@ghostprotocols.net>
Date:	Fri, 3 Dec 2010 11:05:28 -0200
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ian Munsie <imunsie@....ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [GIT PULL 0/4] perf/core improvements

Em Fri, Dec 03, 2010 at 05:10:44PM +1100, Ian Munsie escreveu:
> Excerpts from Arnaldo Carvalho de Melo's message of Fri Dec 03 06:39:28 +1100 2010:
> >     Ian, if you prefer, please test it before Ingo merges it.
> 
> Have done so and just about finished rebasing my patches on top of these
> - I'll try to get them posted tonight. The bug I was working on is
> fixed, so I'm happy :)

Great!
 
> I haven't come across the bug that Thomas ran into, but then again I
> haven't been testing the non-perf parts of perf for this either.

I'll work on the problem related by Thomas today.
 
> Which reminds me, does anyone have a test suite for perf other than
> ./perf test?

Not that I know of, perf test is intended to be that, please consider
adding more tests :)

I want to do things like start a thread that will generate cache misses,
and then have a monitor thread measuring it, passing the test if it gets
into some range (its sampling after all), etc.

- Arnaldo
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