From: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Andi Kleen <andi@firstfloor.org>, Matthew Wilcox <matthew@wil.cx>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
netdev@vger.kernel.org, Stephen Rothwell <sfr@canb.auug.org.au>,
matthew.r.wilcox@intel.com, chinang.ma@intel.com,
linux-kernel@vger.kernel.org, sharad.c.tripathi@intel.com,
arjan@linux.intel.com, suresh.b.siddha@intel.com,
harita.chilukuri@intel.com, douglas.w.styner@intel.com,
peter.xihong.wang@intel.com, hubert.nueckel@intel.com,
chris.mason@oracle.com, srostedt@redhat.com,
linux-scsi@vger.kernel.org, andrew.vasquez@qlogic.com,
anirban.chakraborty@qlogic.com, Ingo Molnar <mingo@elte.hu>
Subject: Re: Mainline kernel OLTP performance update
Date: Sun, 01 Feb 2009 10:52:56 +0800 [thread overview]
Message-ID: <1233456777.2604.2.camel@ymzhang> (raw)
In-Reply-To: <alpine.DEB.1.10.0901261235270.1908@qirst.com>
On Mon, 2009-01-26 at 12:36 -0500, Christoph Lameter wrote:
> On Sat, 24 Jan 2009, Zhang, Yanmin wrote:
>
> > But when trying to increased it to 4, I got:
> > [root@lkp-st02-x8664 slab]# echo "3">kmalloc-8192/order
> > [root@lkp-st02-x8664 slab]# echo "4">kmalloc-8192/order
> > -bash: echo: write error: Invalid argument
>
> This is because 4 is more than the maximum allowed order. You can
> reconfigure that by setting
>
> slub_max_order=5
>
> or so on boot.
With slub_max_order=5, the default order of kmalloc-8192 becomes
5. I tested it with netperf UDP-U-4k and the result difference from
SLAB/SLQB is less than 1% which is really fluctuation.
next prev parent reply other threads:[~2009-02-01 2:52 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-13 21:10 Mainline kernel OLTP performance update Ma, Chinang
2009-01-13 22:44 ` Wilcox, Matthew R
2009-01-15 0:35 ` Andrew Morton
2009-01-15 1:21 ` Matthew Wilcox
2009-01-15 2:04 ` Andrew Morton
2009-01-15 2:27 ` Steven Rostedt
2009-01-15 7:11 ` Ma, Chinang
2009-01-15 7:11 ` Ma, Chinang
2009-01-19 18:04 ` Chris Mason
2009-01-19 18:04 ` Chris Mason
2009-01-19 18:37 ` Steven Rostedt
2009-01-19 18:55 ` Chris Mason
2009-01-19 18:55 ` Chris Mason
2009-01-19 19:07 ` Steven Rostedt
2009-01-19 19:07 ` Steven Rostedt
2009-01-19 23:40 ` Ingo Molnar
2009-01-19 23:40 ` Ingo Molnar
2009-01-19 18:37 ` Steven Rostedt
2009-01-15 2:39 ` Andi Kleen
2009-01-15 2:47 ` Matthew Wilcox
2009-01-15 3:36 ` Andi Kleen
2009-01-20 13:27 ` Jens Axboe
[not found] ` <588992150B702C48B3312184F1B810AD03A497632C@azsmsx501.amr.corp.intel.com>
2009-01-22 11:29 ` Jens Axboe
[not found] ` <588992150B702C48B3312184F1B810AD03A4F59632@azsmsx501.amr.corp.intel.com>
2009-01-27 8:28 ` Jens Axboe
2009-01-15 7:24 ` Nick Piggin
2009-01-15 9:46 ` Pekka Enberg
2009-01-15 13:52 ` Matthew Wilcox
2009-01-15 14:42 ` Pekka Enberg
2009-01-16 10:16 ` Pekka Enberg
2009-01-16 10:21 ` Nick Piggin
2009-01-16 10:31 ` Pekka Enberg
2009-01-16 10:42 ` Nick Piggin
2009-01-16 10:55 ` Pekka Enberg
2009-01-19 7:13 ` Nick Piggin
2009-01-19 8:05 ` Pekka Enberg
2009-01-19 8:33 ` Nick Piggin
2009-01-19 8:42 ` Nick Piggin
2009-01-19 8:47 ` Pekka Enberg
2009-01-19 8:57 ` Nick Piggin
2009-01-19 9:48 ` Pekka Enberg
2009-01-19 10:03 ` Nick Piggin
2009-01-16 20:59 ` Christoph Lameter
2009-01-16 0:27 ` Andrew Morton
2009-01-16 4:03 ` Nick Piggin
2009-01-16 4:12 ` Andrew Morton
2009-01-16 6:46 ` Nick Piggin
2009-01-16 6:55 ` Matthew Wilcox
2009-01-16 7:06 ` Nick Piggin
2009-01-16 7:53 ` Zhang, Yanmin
2009-01-16 10:20 ` Andi Kleen
2009-01-20 5:16 ` Zhang, Yanmin
2009-01-21 23:58 ` Christoph Lameter
2009-01-22 8:36 ` Zhang, Yanmin
2009-01-22 9:15 ` Pekka Enberg
2009-01-22 9:15 ` Pekka Enberg
2009-01-22 9:28 ` Zhang, Yanmin
2009-01-22 9:47 ` Pekka Enberg
2009-01-23 3:02 ` Zhang, Yanmin
2009-01-23 3:02 ` Zhang, Yanmin
2009-01-23 6:52 ` Pekka Enberg
2009-01-23 6:52 ` Pekka Enberg
2009-01-23 8:06 ` Pekka Enberg
2009-01-23 8:30 ` Zhang, Yanmin
2009-01-23 8:40 ` Pekka Enberg
2009-01-23 9:46 ` Pekka Enberg
2009-01-23 15:22 ` Christoph Lameter
2009-01-23 15:31 ` Pekka Enberg
2009-01-23 15:55 ` Christoph Lameter
2009-01-23 16:01 ` Pekka Enberg
2009-01-24 2:55 ` Zhang, Yanmin
2009-01-24 7:36 ` Pekka Enberg
2009-02-12 5:22 ` Zhang, Yanmin
2009-02-12 5:47 ` Zhang, Yanmin
2009-02-12 5:47 ` Zhang, Yanmin
2009-02-12 15:25 ` Christoph Lameter
2009-02-12 16:07 ` Pekka Enberg
2009-02-12 16:03 ` Pekka Enberg
2009-01-26 17:36 ` Christoph Lameter
2009-02-01 2:52 ` Zhang, Yanmin [this message]
2009-01-23 8:33 ` Nick Piggin
2009-01-23 9:02 ` Zhang, Yanmin
2009-01-23 18:40 ` care and feeding of netperf (Re: Mainline kernel OLTP performance update) Rick Jones
2009-01-23 18:51 ` Grant Grundler
2009-01-23 18:51 ` Grant Grundler
2009-01-24 3:03 ` Zhang, Yanmin
2009-01-26 18:26 ` Rick Jones
2009-01-16 7:00 ` Mainline kernel OLTP performance update Andrew Morton
2009-01-16 7:25 ` Nick Piggin
2009-01-16 8:59 ` Nick Piggin
2009-01-16 18:11 ` Rick Jones
2009-01-19 7:43 ` Nick Piggin
2009-01-19 22:19 ` Rick Jones
2009-01-15 14:12 ` James Bottomley
2009-01-15 17:44 ` Andrew Morton
2009-01-15 18:00 ` Matthew Wilcox
2009-01-15 18:14 ` Steven Rostedt
2009-01-15 18:44 ` Gregory Haskins
2009-01-15 18:46 ` Wilcox, Matthew R
2009-01-15 18:46 ` Wilcox, Matthew R
2009-01-15 19:44 ` Ma, Chinang
2009-01-16 18:14 ` Gregory Haskins
2009-01-16 19:09 ` Steven Rostedt
2009-01-20 12:45 ` Gregory Haskins
2009-01-15 19:28 ` Ma, Chinang
2009-01-15 16:48 ` Ma, Chinang
-- strict thread matches above, loose matches on Subject: below --
2010-01-25 18:26 Ma, Chinang
2009-05-04 15:54 Styner, Douglas W
2009-05-06 6:29 ` Anirban Chakraborty
2009-05-06 15:53 ` Wilcox, Matthew R
2009-05-06 18:05 ` Styner, Douglas W
2009-05-06 18:12 ` Wilcox, Matthew R
2009-05-06 18:24 ` Anirban Chakraborty
2009-05-06 19:25 ` Wilcox, Matthew R
2009-05-06 18:19 ` Styner, Douglas W
2009-04-28 17:22 Styner, Douglas W
2009-04-28 17:08 Styner, Douglas W
2009-04-29 7:29 ` Andrew Morton
2009-04-29 8:28 ` Andi Kleen
2009-04-29 16:00 ` Styner, Douglas W
2009-04-29 16:06 ` Wilcox, Matthew R
2009-04-29 16:19 ` Andi Kleen
2009-04-29 15:48 ` Styner, Douglas W
2009-04-29 16:07 ` Andrew Morton
2009-04-29 16:25 ` Peter Zijlstra
2009-04-29 17:46 ` Chris Mason
2009-04-29 18:06 ` Pallipadi, Venkatesh
2009-04-29 18:25 ` Styner, Douglas W
2009-04-29 17:52 ` Styner, Douglas W
2009-04-23 16:49 Styner, Douglas W
2009-04-27 7:02 ` Andi Kleen
2009-04-28 16:57 ` Chuck Ebbert
2009-04-28 17:15 ` James Bottomley
2009-04-28 17:17 ` Styner, Douglas W
2009-01-12 18:30 Ma, Chinang
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