From: Con Kolivas <kernel@kolivas.org>
To: Davide Libenzi <davidel@xmailserver.org>, Szonyi Calin <sony@etc.utt.ro>
Subject: Re: [PATCH] O3int interactivity for 2.5.74-mm2
Date: Tue, 8 Jul 2003 17:59:39 +1000
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Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>
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On Tue, 8 Jul 2003 17:46, Davide Libenzi wrote:
> On Tue, 8 Jul 2003, Szonyi Calin wrote:
> > In the weekend i did some experiments with the defines in kernel/sched.c
> > It seems that changing in MAX_TIMESLICE the "200" to "100" or even "50"
> > helps a little bit. (i was able to do a make bzImage and watch a movie
> > without noticing that is a kernel compile in background)
>
> I bet it helps. Something around 100-120 should be fine. Now we need an
> exponential function of the priority to assign timeslices to try to
> maintain interactivity. This should work :

This is still decreasing the timeslices. Whether you do it linearly or 
exponentially the timeslices are smaller, which just about everyone will 
resist you doing.

Con

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