From: Nick Piggin <piggin@cyberone.com.au>
To: piotr@member.fsf.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.0-test6
Date: Fri, 03 Oct 2003 10:07:48 +1000 [thread overview]
Message-ID: <3F7CBDD4.7010503@cyberone.com.au> (raw)
In-Reply-To: <20031002190744.GC1215@81.38.200.176>
Pedro Larroy wrote:
>On Thu, Oct 02, 2003 at 01:05:36PM +1000, Nick Piggin wrote:
>
>>
>>Pedro Larroy wrote:
>>
>>>Why not run xmms with SCHED_RR or SCHED_FIFO?
>>>
>>>
>>>
>>Well because playing an mp3 really is a pitiful task for modern CPUs,
>>and the standard scheduler should handle this fine. Also a music skip
>>isn't terribly important.
>>
>>Realtime applications are difficult to make robust and they can easily
>>hang the system.
>>
>>
>
>I think there are better aproaches for deciding when a task should be
>interactive than the current one based in how much does the task sleep.
>
>I'm afraid this selection criteria leads to a scheduler that isn't
>predictable for situations that aren't the ones for which is tuned to work.
>Of course I may be wrong, but to me, seems that saying explicitly
>which tasks are interactive sounds better.
>
Have a look at my scheduler if you like. It won't estimate interactivity
but it works quite well if you nice -10 your X server. Ie. explicitly
state which process should be favoured.
http://www.kerneltrap.org/~npiggin/v15a/
next prev parent reply other threads:[~2003-10-03 0:07 UTC|newest]
Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-28 1:27 Linux 2.6.0-test6 Linus Torvalds
2003-09-28 7:03 ` Con Kolivas
2003-09-28 10:02 ` Rob Landley
2003-09-29 4:55 ` Nick Piggin
2003-09-29 7:35 ` Rob Landley
2003-09-29 16:55 ` Ed Sweetman
2003-09-30 0:03 ` Nick Piggin
2003-10-02 0:41 ` Pedro Larroy
2003-10-02 3:05 ` Nick Piggin
2003-10-02 19:07 ` Pedro Larroy
2003-10-03 0:07 ` Nick Piggin [this message]
2003-10-03 19:34 ` Pedro Larroy
2003-09-29 18:45 ` bill davidsen
2003-09-30 1:12 ` Nick Piggin
2003-10-01 21:13 ` bill davidsen
2003-10-02 2:45 ` Nick Piggin
2003-09-28 8:26 ` Markus Hästbacka
2003-09-28 10:54 ` Jeff Garzik
2003-09-28 8:59 ` keyboard repeat / sound [was Re: Linux 2.6.0-test6] Roger Luethi
2003-09-29 15:16 ` Vojtech Pavlik
2003-09-30 7:50 ` Paul
2003-09-30 12:51 ` Vojtech Pavlik
2003-09-30 13:21 ` Aristeu Sergio Rozanski Filho
2003-09-30 13:44 ` Vojtech Pavlik
2003-09-30 14:05 ` Aristeu Sergio Rozanski Filho
2003-09-30 14:16 ` Vojtech Pavlik
2003-10-01 23:51 ` Aristeu Sergio Rozanski Filho
2003-09-30 18:16 ` Mark W. Alexander
2003-10-01 23:52 ` Aristeu Sergio Rozanski Filho
2003-09-28 10:09 ` Linux 2.6.0-test6 Rafał 'rmrmg' Roszak
2003-09-28 11:05 ` Andreas Jellinghaus
2003-09-28 12:34 ` Dave Jones
2003-09-28 16:12 ` Andreas Jellinghaus
2003-09-28 17:51 ` Andries Brouwer
2003-09-28 16:42 ` Ivan Gyurdiev
2003-09-28 20:26 ` [patch] 2.6.0-test6: correct hdlcdrv.h prototypes Adrian Bunk
2003-09-29 13:23 ` Linux 2.6.0-test6 Florin Iucha
2003-09-29 13:55 ` Muli Ben-Yehuda
2003-09-29 14:01 ` Jaroslav Kysela
2003-09-29 14:18 ` Muli Ben-Yehuda
2003-09-29 19:04 ` bill davidsen
2003-09-29 14:30 ` Takashi Iwai
2003-09-29 13:58 ` Jaroslav Kysela
2003-09-29 16:30 ` Linux 2.6.0-test6 (compile statistics) John Cherry
2003-09-29 17:44 ` Jesper Juhl
2003-10-06 20:39 ` John Cherry
2003-10-01 8:58 ` Who changed /proc/<pid>/ in 2.6.0-test5-bk9? Mikael Pettersson
2003-10-01 11:52 ` John Levon
2003-10-01 20:21 ` bill davidsen
2003-10-02 1:00 ` John Levon
2003-10-06 3:01 ` bill davidsen
2003-10-01 15:11 ` Linus Torvalds
2003-10-01 20:58 ` bill davidsen
2003-10-01 23:42 ` Albert Cahalan
2003-10-02 0:38 ` Linus Torvalds
2003-10-02 0:57 ` Albert Cahalan
2003-10-02 3:35 ` Ulrich Drepper
2003-10-02 4:12 ` Albert Cahalan
2003-10-02 4:58 ` Ulrich Drepper
2003-10-02 13:48 ` Albert Cahalan
2003-10-02 17:30 ` Ulrich Drepper
2003-10-03 0:03 ` Albert Cahalan
2003-10-03 0:40 ` Linus Torvalds
2003-10-03 2:53 ` Jamie Lokier
2003-10-06 4:54 ` Mike Fedyk
2003-10-06 2:52 ` bill davidsen
2003-10-07 23:08 ` Robert White
2003-10-07 22:46 ` Robert White
2003-10-07 23:25 ` Linus Torvalds
2003-10-08 0:41 ` Robert White
2003-10-08 0:54 ` Linus Torvalds
2003-10-08 2:31 ` Robert White
2003-10-08 2:39 ` David Lang
2003-10-08 2:59 ` Robert White
2003-10-09 18:25 ` bill davidsen
2003-10-08 2:47 ` Who changed /proc/<pid>/ in 2.6.0-test5-bk9? (SIGPIPE?) Robert White
2003-10-08 2:57 ` Linus Torvalds
2003-10-08 4:01 ` Robert White
2003-10-08 4:08 ` Linus Torvalds
2003-10-08 10:47 ` Who changed /proc/<pid>/ in 2.6.0-test5-bk9? bert hubert
2003-10-08 19:12 ` Ulrich Drepper
2003-10-09 18:43 ` bill davidsen
2003-10-08 21:54 ` Robert White
2003-10-09 18:12 ` bill davidsen
2003-10-10 4:39 ` Jamie Lokier
2003-10-09 17:59 ` bill davidsen
2003-10-11 3:02 ` Here is a case that proves my previous position wrong regurading CLONE_THREAD and CLONE_FILES Robert White
2003-10-11 3:48 ` viro
2003-10-12 11:41 ` Jamie Lokier
2003-10-02 8:46 ` Who changed /proc/<pid>/ in 2.6.0-test5-bk9? Miquel van Smoorenburg
2003-10-02 22:35 ` Jamie Lokier
2003-10-02 23:43 ` Miquel van Smoorenburg
2003-10-06 2:57 ` bill davidsen
2003-10-02 3:38 ` Ulrich Drepper
-- strict thread matches above, loose matches on Subject: below --
2003-09-28 10:14 Linux 2.6.0-test6 Geert Uytterhoeven
2003-09-28 12:50 ` Russell King
2003-09-28 13:54 ` Bernardo Innocenti
2003-09-28 17:37 ` Linus Torvalds
2003-09-28 18:46 ` Sam Ravnborg
2003-09-28 18:52 ` Linus Torvalds
2003-09-28 19:44 ` Jamie Lokier
2003-09-28 19:16 ` Jörn Engel
2003-09-28 19:31 ` Sam Ravnborg
2003-09-28 19:44 ` Jörn Engel
2003-09-28 19:42 ` Russell King
2003-09-28 20:00 ` Jörn Engel
2003-09-28 21:43 ` Tim Schmielau
2003-09-28 21:54 ` Arnaldo Carvalho de Melo
2003-09-29 15:08 ` Chris Friesen
2003-09-29 15:14 ` Geert Uytterhoeven
2003-09-28 19:28 ` Russell King
2003-09-29 8:52 ` Geert Uytterhoeven
2003-09-29 19:19 ` bill davidsen
2003-09-30 10:42 ` Jörn Engel
2003-09-30 15:17 ` Bill Davidsen
2003-10-01 9:08 ` Jörn Engel
2003-09-28 12:19 Oliver Pitzeier
2003-09-28 12:52 ` Geert Uytterhoeven
2003-09-28 21:41 ` Andrew Morton
2003-09-29 9:58 ` Geert Uytterhoeven
2003-09-29 10:08 ` Russell King
2003-09-29 19:19 ` Anton Blanchard
2003-09-28 12:53 ` viro
2003-09-28 13:54 ` Urban Widmark
2003-09-29 9:00 Oliver Pitzeier
[not found] <<3F7CBDD4.7010503@cyberone.com.au>>
2003-10-03 3:51 ` Jason Munro
2003-10-06 3:05 ` bill davidsen
2003-10-09 18:44 ` bill davidsen
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