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From: Con Kolivas <kernel@kolivas.org>
To: Martin =?utf-8?q?MOKREJ=C5=A0?= <mmokrejs@ribosome.natur.cuni.cz>
Subject: Re: openafs is really faster on linux-2.4. than 2.6
Date: Thu, 18 Aug 2005 22:57:34 +1000
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On Thu, 18 Aug 2005 22:48, Martin MOKREJŠ wrote:
> I think the problem here is outside afs.
> Just doing this dd test but writing data directly to the ext2
> target gives same behaviour, i.e. on 2.4 kernel I see most of the
> CPU idle but on 2.6 kernel all that CPU amount is shown as in
> wait state. And the numbers from 2.4 kernel show higher throughput
> compared to the 2.6 kernel (regardless the the PREEMPT or no PREEMPT
> was used).

Don't forget to include sync time.

Con