linux-kernel - Re: [PATCH] futex: add FUTEX_SET

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Message-ID: <1258448121.7816.29.camel@laptop>
Date:	Tue, 17 Nov 2009 09:55:21 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Michel Lespinasse <walken@...gle.com>,
	Hitoshi Mitake <mitake@....info.waseda.ac.jp>,
	Darren Hart <dvhltc@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH] futex: add FUTEX_SET_WAIT operation

On Tue, 2009-11-17 at 09:18 +0100, Ingo Molnar wrote:
> 
> Would you be interested in adding it as a 'perf bench futex' testcase? 
> That way kernel developers could monitor futex performance in the future 
> as well.
> 
> See 'perf bench' in the latest perf events tree:
> 
>   http://people.redhat.com/mingo/tip.git/README
> 
> Do 'cd tools/perf; make -j install' to install perf.

Darren has recently been putting a lot of effort in making a futex test
suite:

http://git.kernel.org/?p=linux/kernel/git/dvhart/futextest.git

Its not yet complete, but hopefully it will soon be :-)

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