From: cliff white <cliffw@osdl.org>
To: Nick Piggin <piggin@cyberone.com.au>
Cc: mhf@linuxmail.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6.0-test8/test9 io scheduler needs tuning?
Date: Tue, 28 Oct 2003 09:26:12 -0800 [thread overview]
Message-ID: <20031028092612.68d1c80d.cliffw@osdl.org> (raw)
In-Reply-To: <3F9DAF2C.8010308@cyberone.com.au>
On Tue, 28 Oct 2003 10:50:04 +1100
Nick Piggin <piggin@cyberone.com.au> wrote:
>
>
> cliff white wrote:
>
> >On Tue, 28 Oct 2003 05:52:45 +0800
> >Michael Frank <mhf@linuxmail.org> wrote:
> >
> >
> >>To my surprise 2.6 - which used to do better then 2.4 - does no longer
> >>handle these test that well.
> >STP id Kernel Name MaxJPM Change Options
> >281669 linux-2.6.0-test8 7014.42 0.0
> >281671 linux-2.6.0-test8 8294.94 +18.26% elevator=deadline
> >
> >The -mm kernels don't show this big delta. We also do not see this delta on
> >smaller machines
> >
>
> I'm working with Randy to fix this. Attached is what I have so far. See how
> you go with it.
So far, looks quite good. ( i know 2.4.18 is wierd for some, but they were
hot off the stp, so i used 'em )
4-cpu
STP id Kernel Name MaxJPM Change Options
282391 linux-2.4.18 5250.23 0.00
282413 Nick's patch 5484.95 4.27 elevator=deadline
282413 Nick's patch 5416.51 3.06
282395 linux-2.4.18 6581.17 0.0
282415 Nick's patch 8293.95 20.6
282415 Nick's patch 8484.95 22.43 elevator=deadline
And, the graph is nice and flat!
http://khack.osdl.org/stp/282416/results/jpm.png
Full results: http://developer.osdl.org/cliffw/reaim/index.html
Any test detail: http://khack.osdl.org/stp/<STP id>
cliffw
>
--
The church is near, but the road is icy.
The bar is far, but i will walk carefully. - Russian proverb
next prev parent reply other threads:[~2003-10-28 17:32 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-27 21:52 2.6.0-test8/test9 io scheduler needs tuning? Michael Frank
2003-10-27 22:55 ` cliff white
2003-10-27 23:50 ` Nick Piggin
2003-10-28 1:37 ` Nigel Cunningham
2003-10-28 1:48 ` Nick Piggin
2003-10-28 2:58 ` Michael Frank
2003-10-28 2:57 ` Michael Frank
2003-10-28 3:31 ` Nigel Cunningham
2003-10-28 3:54 ` Nick Piggin
2003-10-28 7:48 ` Michael Frank
2003-10-28 4:13 ` Michael Frank
2003-10-28 4:30 ` Nick Piggin
2003-10-28 6:11 ` Michael Frank
2003-10-28 17:42 ` Martin Josefsson
2003-10-28 17:26 ` cliff white [this message]
2003-10-28 21:18 ` Dave Olien
2003-10-29 2:40 ` Nick Piggin
2003-10-29 4:56 ` Michael Frank
2003-10-29 16:47 ` Michael Frank
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