linux-kernel - Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate code

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Message-ID: <m2d3h22sg1.fsf@firstfloor.org>
Date:	Fri, 22 Jul 2011 09:25:34 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nick Piggin <npiggin@...nel.dk>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate code

Jeremy Fitzhardinge <jeremy@...p.org> writes:
>
> Yes, I observed cases where they were faster.  What is your lock
> tester?  Does it test the lock code in isolation, or in situ?

User space harness to test a couple of lock scenarios with different
numbers of CPUs competing.

It tests the lock code in isolation.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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