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Date: Fri, 12 Oct 2001 13:22:20 +0000
From: Pavel Machek <pavel@suse.cz>
To: Robert Love <rml@ufl.edu>
Cc: Andrea Arcangeli <andrea@suse.de>, safemode <safemode@speakeasy.net>,
        linux-kernel@vger.kernel.org
Subject: Re: 2.4.10-ac10-preempt lmbench output.
Message-ID: <20011012132220.B35@toy.ucw.cz>
In-Reply-To: <20011010003636Z271005-760+23005@vger.kernel.org> <20011010031803.F8384@athlon.random> <20011010020935.50DEF1E756@Cantor.suse.de> <20011010043003.C726@athlon.random> <1002681480.1044.67.camel@phantasy>
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Hi!

> Now dbench (or any task) is in kernel space for too long.  The CPU time
> xmms needs will of course still be given, but _too late_.  Its just not
> a cpu resource problem, its a timing problem.  xmms needs x units of CPU
> every y units of time.  Just getting the x whenever is not enough.

Yep, with

x = 60msec
y = 600msec

So you can give it time up to 540msec late with no drop-outs.

-- 
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.

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