Message-Id: <200307161708.h6GH8UU1001456@turing-police.cc.vt.edu>
To: Con Kolivas <kernel@kolivas.org>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>,
       Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>,
       Zwane Mwaikambo <zwane@arm.linux.org.uk>
Subject: Re: [PATCH] O6int for interactivity 
In-Reply-To: Your message of "Thu, 17 Jul 2003 00:30:25 +1000."
             <200307170030.25934.kernel@kolivas.org> 
From: Valdis.Kletnieks@vt.edu
References: <200307170030.25934.kernel@kolivas.org>
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Date: Wed, 16 Jul 2003 13:08:30 -0400
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On Thu, 17 Jul 2003 00:30:25 +1000, Con Kolivas said:
> O*int patches trying to improve the interactivity of the 2.5/6 scheduler for 
> desktops. It appears possible to do this without moving to nanosecond 
> resolution.
> 
> This one makes a massive difference... Please test this to death.

This one looks *awesome* here - the base -mm1 version (which was -O5int if I
remember right) was still subject to very tiny stutters (sound like "clicks")
in xmms (everybody's favorite tester ;) under some conditions (changing folders
in the Exmh mail client was usually good for a click).  -O6int has stuttered
exactly once in the past hour, and that was with Exmh going, a large grep
running, a sudden influx of fetchmail/sendmail/procmail (probably 30-50 fork/
exec pairs/sec there), launching Mozilla (oink ;), and something else big all at the
same time (in other words, under as extreme load as this laptop ever sees in
actual production useage).

/Valdis

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