linux-kernel - Re: [rfc] SLQB: YASA

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Message-ID: <87r6dns53q.fsf@basil.nowhere.org>
Date:	Thu, 03 Apr 2008 10:41:13 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Nick Piggin <npiggin@...e.de>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Lameter <clameter@....com>
Subject: Re: [rfc] SLQB: YASA

Nick Piggin <npiggin@...e.de> writes:
>
> Nothing really interesting, unfortunately. I have run some tests on
> various microbenchmarks like tbench and things like that. But I
> don't have many good ideas for more meaningful tests where slab
> allocation performance is critial. Any suggestions? :)

Some networking workloads hit slab pretty aggressive (two 
allocations per packet) 

Just be careful with standard loopback, it has a contended lock
elsewhere

-Andi
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