From: Christoph Lameter <cl@linux-foundation.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: Matt Mackall <mpm@selenic.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Pekka J Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <clameter@sgi.com>, Ingo Molnar <mingo@elte.hu>,
Hugh Dickins <hugh@veritas.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
vegard.nossum@gmail.com, hannes@saeurebad.de, matthew@wil.cx
Subject: Re: [RFC PATCH] greatly reduce SLOB external fragmentation
Date: Thu, 31 Jul 2008 11:05:19 -0500 [thread overview]
Message-ID: <4891E2BF.4090304@linux-foundation.org> (raw)
In-Reply-To: <20080731160320.GQ23938@one.firstfloor.org>
Andi Kleen wrote:
> On Thu, Jul 31, 2008 at 10:25:45AM -0500, Christoph Lameter wrote:
>> Andi Kleen wrote:
>>>> Finally getting rid of SLAB is a much trickier proposition because SLUB
>>>> still loses in a few important corner cases.
>>> The big issue is that we haven't really made much progress on at least
>>> some of these test cases (like the database benchmarks) for quite some
>>> time (and that wasn't for a lack of trying) :-/ Might be a fundamental
>>> problem.
>> It would be good to have more of these benchmark regressions than just TPC which requires a database setup etc etc. Preferably something that is easily runnable by everyone.
>
> AFAIK willy had a small test case for at least one of them.
He is developing a scsi performance test program that showed a regression but it was proprietary last time I heard of it. Maybe its now available?
next prev parent reply other threads:[~2008-07-31 16:06 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-02 18:43 [PATCH] procfs: provide slub's /proc/slabinfo Hugh Dickins
2008-01-02 18:53 ` Christoph Lameter
2008-01-02 19:09 ` Pekka Enberg
2008-01-02 19:35 ` Linus Torvalds
2008-01-02 19:45 ` Linus Torvalds
2008-01-02 19:49 ` Pekka Enberg
2008-01-02 22:50 ` Matt Mackall
2008-01-03 8:52 ` Ingo Molnar
2008-01-03 16:46 ` Matt Mackall
2008-01-04 2:21 ` Christoph Lameter
2008-01-04 2:45 ` Andi Kleen
2008-01-04 4:34 ` Matt Mackall
2008-01-04 9:17 ` Peter Zijlstra
2008-01-04 20:37 ` Christoph Lameter
2008-01-04 4:11 ` Matt Mackall
2008-01-04 20:34 ` Christoph Lameter
2008-01-04 20:55 ` Matt Mackall
2008-01-04 21:36 ` Christoph Lameter
2008-01-04 22:30 ` Matt Mackall
2008-01-05 20:16 ` Christoph Lameter
2008-01-05 16:21 ` Pekka J Enberg
2008-01-05 17:14 ` Andi Kleen
2008-01-05 20:05 ` Christoph Lameter
2008-01-07 20:12 ` Pekka J Enberg
2008-01-06 17:51 ` Matt Mackall
2008-01-07 18:06 ` Pekka J Enberg
2008-01-07 19:03 ` Matt Mackall
2008-01-07 19:53 ` Pekka J Enberg
2008-01-07 20:44 ` Pekka J Enberg
2008-01-10 10:04 ` Pekka J Enberg
2008-01-09 19:15 ` [RFC PATCH] greatly reduce SLOB external fragmentation Matt Mackall
2008-01-09 22:43 ` Pekka J Enberg
2008-01-09 22:59 ` Matt Mackall
2008-01-10 10:02 ` Pekka J Enberg
2008-01-10 10:54 ` Pekka J Enberg
2008-01-10 15:44 ` Matt Mackall
2008-01-10 16:13 ` Linus Torvalds
2008-01-10 17:49 ` Matt Mackall
2008-01-10 18:28 ` Linus Torvalds
2008-01-10 18:42 ` Matt Mackall
2008-01-10 19:24 ` Christoph Lameter
2008-01-10 19:44 ` Matt Mackall
2008-01-10 19:51 ` Christoph Lameter
2008-01-10 19:41 ` Linus Torvalds
2008-01-10 19:46 ` Christoph Lameter
2008-01-10 19:53 ` Andi Kleen
2008-01-10 19:52 ` Christoph Lameter
2008-01-10 19:16 ` Christoph Lameter
2008-01-10 19:23 ` Matt Mackall
2008-01-10 19:31 ` Christoph Lameter
2008-01-10 21:25 ` Jörn Engel
2008-01-10 18:13 ` Andi Kleen
2008-07-30 21:51 ` Pekka J Enberg
2008-07-30 22:00 ` Linus Torvalds
2008-07-30 22:22 ` Pekka Enberg
2008-07-30 22:35 ` Linus Torvalds
2008-07-31 0:42 ` malc
2008-07-31 1:03 ` Matt Mackall
2008-07-31 1:09 ` Matt Mackall
2008-07-31 14:11 ` Andi Kleen
2008-07-31 15:25 ` Christoph Lameter
2008-07-31 16:03 ` Andi Kleen
2008-07-31 16:05 ` Christoph Lameter [this message]
2008-07-31 14:26 ` Christoph Lameter
2008-07-31 15:38 ` Matt Mackall
2008-07-31 15:42 ` Christoph Lameter
2008-01-10 2:46 ` Matt Mackall
2008-01-10 10:03 ` Pekka J Enberg
2008-01-03 20:31 ` [PATCH] procfs: provide slub's /proc/slabinfo Christoph Lameter
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