Date: Tue, 3 Nov 2009 18:26:57 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: linux-kernel@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
       Thomas Gleixner <tglx@linutronix.de>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, Mike Galbraith <efault@gmx.de>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       =?iso-8859-1?Q?Fr=E9d=E9ric=5FWeisbecker?= <fweisbec@gmail.com>
Subject: Re: [PATCH v2 2/7] Adding general performance benchmarking
	subcommand to perf.
Message-ID: <20091103172656.GB11535@elte.hu>
References: <20091103.195457.597119739836563839.mitake@dcl.info.waseda.ac.jp>
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* Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> wrote:

> Adding general performance benchmarking subcommand to perf.
> This patch adds bench/sched-messaging.c.
> This benchmark measures performance of scheduler and IPC mechanisms,
> and is based on hackbench by Rusty Russell.
> 
> Example of use:
> 
> % perf bench sched messaging               # Use default options
> 0.295					   # Result is time
> % perf bench sched messaging -p -l 1000 -t
> 2.265

Would be nice to standardize the options too, and offer a help line:

 perf bench sched --help

perhaps 'perf bench sched' should list all available benchmark modules, 
and print a oneliner summary about each of them?

	Ingo
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