From: Nick Piggin <npiggin@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>,
linux-mm@kvack.org, Pekka J Enberg <penberg@cs.helsinki.fi>
Subject: Re: SLUB tbench regression due to page allocator deficiency
Date: Mon, 11 Feb 2008 00:24:01 +0100 [thread overview]
Message-ID: <20080210232401.GA5621@wotan.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0802091938160.14089@schroedinger.engr.sgi.com>
On Sat, Feb 09, 2008 at 07:39:17PM -0800, Christoph Lameter wrote:
> On Sun, 10 Feb 2008, Nick Piggin wrote:
>
> > What kind of allocating and freeing of pages are you talking about? Are
> > you just measuring single threaded performance?
>
> What I did was (on an 8p, may want to tune this to the # procs you have):
>
> 1. Run tbench_srv on console
>
> 2. run tbench 8 from an ssh session
OK, that's easy... You did it with an SMP kernel, right? (I only have a
8p NUMA, but I should be able to turn on cacheline interleaving and
run an SMP kernel on it).
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next prev parent reply other threads:[~2008-02-10 23:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-09 21:45 SLUB tbench regression due to page allocator deficiency Christoph Lameter
2008-02-09 22:35 ` Andrew Morton
2008-02-10 0:19 ` Christoph Lameter
2008-02-10 2:45 ` Nick Piggin
2008-02-10 3:36 ` Christoph Lameter
2008-02-10 3:39 ` Christoph Lameter
2008-02-10 23:24 ` Nick Piggin [this message]
2008-02-11 19:14 ` Christoph Lameter
2008-02-11 22:03 ` Christoph Lameter
2008-02-11 7:18 ` Nick Piggin
2008-02-11 19:21 ` Christoph Lameter
2008-02-11 23:40 ` Nick Piggin
2008-02-11 23:42 ` Christoph Lameter
2008-02-11 23:56 ` Nick Piggin
2008-02-12 0:08 ` Christoph Lameter
2008-02-12 6:06 ` Fastpath prototype? Christoph Lameter
2008-02-12 10:40 ` Andi Kleen
2008-02-12 20:10 ` Christoph Lameter
2008-02-12 22:31 ` Christoph Lameter
2008-02-13 11:38 ` Andi Kleen
2008-02-13 20:09 ` Christoph Lameter
2008-02-13 18:33 ` SLUB tbench regression due to page allocator deficiency Paul Jackson
2008-02-11 13:50 ` Mel Gorman
2008-02-13 11:15 ` Mel Gorman
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