From: Andrew Morton <akpm@digeo.com>
To: Robert Love <rml@tech9.net>
Cc: Con Kolivas <conman@kolivas.net>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] 2.5.48-mm1 with contest
Date: Tue, 19 Nov 2002 13:53:43 -0800 [thread overview]
Message-ID: <3DDAB2E7.F7764A65@digeo.com> (raw)
In-Reply-To: 1037741983.1504.2229.camel@phantasy
Robert Love wrote:
>
> On Tue, 2002-11-19 at 16:28, Con Kolivas wrote:
>
> > xtar_load:
> > Kernel [runs] Time CPU% Loads LCPU% Ratio
> > 2.5.48 [5] 184.4 41 2 6 2.52
> > 2.5.48-mm1 [5] 210.7 35 2 6 2.88
> >
> > read_load:
> > Kernel [runs] Time CPU% Loads LCPU% Ratio
> > 2.5.48 [5] 102.9 74 6 4 1.41
> > 2.5.48-mm1 [5] 256.7 29 11 2 3.51*
>
> What changed, Andrew?
>
> Wall time is up but CPU is down... spending more time on I/O?
Big changes in the IO scheduler. I have not really sat down
and looked at the effects of those changes - Jens keeps on
changing it, and I keep on diddling the queue sizes. So it
has only really been "stability tested" at this time.
next prev parent reply other threads:[~2002-11-19 21:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-19 21:28 [BENCHMARK] 2.5.48-mm1 with contest Con Kolivas
2002-11-19 21:39 ` Robert Love
2002-11-19 21:53 ` Andrew Morton [this message]
2002-11-19 22:40 ` Con Kolivas
2002-11-20 7:30 ` Jens Axboe
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