linux-kernel - Re: [GIT PULL] adaptive spinning mutexes

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Message-ID: <20090116135748.GF29002@vanheusden.com>
Date:	Fri, 16 Jan 2009 14:57:49 +0100
From:	Folkert van Heusden <folkert@...heusden.com>
To:	Chris Mason <chris.mason@...cle.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Matthew Wilcox <matthew@....cx>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Gregory Haskins <ghaskins@...ell.com>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-btrfs <linux-btrfs@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Nick Piggin <npiggin@...e.de>,
	Peter Morreale <pmorreale@...ell.com>,
	Sven Dietrich <SDietrich@...ell.com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [GIT PULL] adaptive spinning mutexes

> > I'll kick off some runs of my three benchmarks on ext3 for comparison.
> > If there are things less synthetic people would like to see, please let
> > me know.
> 
> What about a web-server test? Number of hits per second it can do?

Quick hack: http://vanheusden.com/tortureweb/tortureweb-0.1.tgz
To test multiple requesters, start this program multiple times in
parallel.
There are probably better testers but for a quick test and might be
sufficient.


Folkert van Heusden

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