linux-kernel - Re: [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP

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Message-ID: <alpine.DEB.2.00.1007121156160.18621@router.home>
Date:	Mon, 12 Jul 2010 12:00:26 -0500 (CDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Tejun Heo <tj@...nel.org>
cc:	linux-kernel@...r.kernel.org,
	Pekka Enberg <penberg@...helsinki.fi>, linux-mm@...ck.org,
	Nick Piggin <npiggin@...e.de>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR

On Mon, 12 Jul 2010, Heinz Diehl wrote:

> On 12.07.2010, Christoph Lameter wrote:
>
> > You need a sufficient PERCPU_DYNAMIC_EARLY_SIZE to be configured. What
> > platform is this?
>
> This is an AMD Phenom II X4-905e with 8GB RAM and an (heavily modified)
> opensuse 11.1 64-bit with kernel 2.6.35-rc4-git4 (vanilla from kernel.org, no
> distribution kernel). Dmesg is attached.

Can you get us the config file. What is the value of
PERCPU_DYMAMIC_EARLY_SIZE?

I have run this on x86 for a long time. Why does the percpu subsystem
have a lower PERCPU_DYNAMIC_EARLY_SIZE on Heinzes system?

Download attachment "dmesg.txt.bz2" of type "APPLICATION/OCTET-STREAM" (11413 bytes)