From: Robert Love <rml@tech9.net>
To: mingo@elte.hu
Cc: Ed Tomlinson <tomlins@cam.org>,
Davide Libenzi <davidel@xmailserver.org>,
lkml <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [patch] O(1) scheduler-H6/H7/I0 and nice +19
Date: 15 Jan 2002 20:59:08 -0500 [thread overview]
Message-ID: <1011146349.8756.63.camel@phantasy> (raw)
In-Reply-To: <Pine.LNX.4.33.0201160343230.30495-100000@localhost.localdomain>
In-Reply-To: <Pine.LNX.4.33.0201160343230.30495-100000@localhost.localdomain>
On Tue, 2002-01-15 at 21:48, Ingo Molnar wrote:
> there is a way: renicing. Either use nice +19 on the compilation job or
> use nice -5 on the 'known good' tasks. Perhaps we should allow a nice
> decrease of up to -5 from the default level - and things like KDE or Gnome
> could renice interactive tasks, while things like compilation jobs would
> run on the default priority.
This isn't a bad idea, as long as we don't use it as a crutch or
excuse. That is, answer scheduling problems with "properly nice your
tasks" -- the scheduler should be smart enough, to some degree.
FWIW, Solaris actually implements a completely different scheduling
policy, SCHED_INTERACT or something. It is for windowed tasks in X --
they get a large interactivity bonus.
Robert Love
next prev parent reply other threads:[~2002-01-16 1:56 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.33.0201111723260.3212-100000@localhost.localdomain>
2002-01-11 21:28 ` [patch] O(1) scheduler-H6 and nice +19 Ed Tomlinson
2002-01-14 3:27 ` [patch] O(1) scheduler-H6/H7 " Ed Tomlinson
2002-01-14 3:45 ` Davide Libenzi
2002-01-15 1:37 ` Ed Tomlinson
2002-01-15 1:50 ` Davide Libenzi
2002-01-15 1:58 ` Davide Libenzi
2002-01-15 2:18 ` Ed Tomlinson
2002-01-15 2:33 ` Davide Libenzi
2002-01-15 3:19 ` Ed Tomlinson
2002-01-15 3:27 ` Davide Libenzi
2002-01-15 23:48 ` [patch] O(1) scheduler-H6/H7/I0 " Ed Tomlinson
2002-01-15 23:56 ` Davide Libenzi
2002-01-16 1:49 ` Ingo Molnar
2002-01-16 0:44 ` Ed Tomlinson
2002-01-16 2:06 ` Rene Rebe
2002-01-16 2:48 ` Ingo Molnar
2002-01-16 1:59 ` Robert Love [this message]
2002-01-16 2:04 ` Davide Libenzi
2002-01-16 2:59 ` Robert Love
2002-01-16 3:04 ` Linus Torvalds
[not found] <mng==Pine.LNX.4.40.0201151803020.940-100000@blue1.dev.mcafeelabs.com>
[not found] ` <mng==1011149980.8756.180.camel@phantasy>
2002-01-16 22:41 ` Jens-Uwe Mager
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