From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Con Kolivas <kernel@kolivas.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: xmms (audio) skipping in 2.5 (not 2.4)
Date: Mon, 03 Mar 2003 21:52:22 -0800 [thread overview]
Message-ID: <104910000.1046757141@[10.10.2.4]> (raw)
In-Reply-To: <200303041636.00745.kernel@kolivas.org>
>> So ... is there any easy way I can diagnose this? Does anyone else have a
>> similar problem?
>
> Most of us who have worked with an O(1) scheduler based kernel have found
> this at various times. See the previous discussion with akpm about the
> interactivity estimator. Akpm found that decreasing the maximum timeslice
> duration would blunt the effect of the interactivity estimator giving
> preference to the "wrong" task. In 2.4.20-ck4 I avoid this problem with
> the "desktop tuning" of making the max timeslice==min timeslice. Try an
> -mm kernel with the scheduler tunables patch and try playing with the
> max timeslice. Most have found that <=25 will usually stop these skips.
> The default max timeslice of 300ms is just too long for the desktop and
> interactivity estimator.
Heh, cool. I have the same patch in my tree too, fixed it without rebooting
even ;-) Still a *tiny* bit of skipping, but infinitely better than it was.
Thanks very much,
M.
next prev parent reply other threads:[~2003-03-04 5:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-04 5:25 xmms (audio) skipping in 2.5 (not 2.4) Martin J. Bligh
2003-03-04 5:36 ` Con Kolivas
2003-03-04 5:52 ` Martin J. Bligh [this message]
2003-03-04 7:28 ` Con Kolivas
2003-03-04 7:48 ` Martin J. Bligh
2003-03-04 8:15 ` Con Kolivas
2003-03-04 10:00 ` Andrew McGregor
2003-03-04 15:59 ` Martin J. Bligh
2003-03-12 22:59 ` Pavel Machek
2003-03-12 23:42 ` Martin J. Bligh
2003-03-04 9:48 ` Giuliano Pochini
2003-03-04 14:13 ` Anton Blanchard
2003-03-04 14:18 ` Maciej Soltysiak
2003-03-04 14:31 ` Sean Neakums
2003-03-04 16:17 ` Martin J. Bligh
2003-03-04 18:39 ` Aaron Lehmann
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