From: Mike Galbraith <efault@gmx.de>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: James Cloos <cloos@jhcloos.com>,
lkml <linux-kernel@vger.kernel.org>,
Ulrich Lukas <stellplatz-nr.13a@datenparkplatz.de>
Subject: Re: Poor desktop responsiveness with background I/O-operations
Date: Tue, 22 Sep 2009 13:32:00 +0200 [thread overview]
Message-ID: <1253619120.13917.21.camel@marge.simson.net> (raw)
In-Reply-To: <20090922112246.GA23987@khazad-dum.debian.net>
On Tue, 2009-09-22 at 08:22 -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 22 Sep 2009, Mike Galbraith wrote:
> > On Tue, 2009-09-22 at 09:06 +0200, Mike Galbraith wrote:
> > > I don't know if distros provide a tool that supports SCHED_IDLE, if so,
> > > you can use that to set both CPU and IO usage to IDLE class in one go.
> >
> > P.S. I just remembered, don't use SCHED_IDLE with kernels < 2.6.28.
> > There are two patches wrt this scheduling class which did not go to the
> > stable trees less than 2.6.28.
>
> Since 2.6.27 is long-term, maybe they should be sent to 2.6.27? It is weird
> to have a long-term stable kernel for which the recommendation is "don't use
> SCHED_IDLE".
Yeah, that's what I thought too, but apparently maintainers didn't think
SCHED_IDLE was common/important enough.
-Mike
next prev parent reply other threads:[~2009-09-22 11:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-20 3:08 Ulrich Lukas
2009-09-20 4:11 ` Thomas Fjellstrom
2009-09-20 6:07 ` Arjan van de Ven
2009-09-20 8:50 ` Ulrich Lukas
2009-09-20 17:17 ` Nikos Chantziaras
2009-09-20 19:38 ` Mike Galbraith
2009-09-21 0:22 ` Justin P. Mattock
2009-09-21 4:23 ` Mike Galbraith
2009-09-21 7:48 ` Ulrich Lukas
2009-09-21 8:06 ` Mike Galbraith
2009-09-21 19:47 ` James Cloos
2009-09-21 22:47 ` Nikos Chantziaras
2009-09-21 23:34 ` James Cloos
2009-09-22 7:06 ` Mike Galbraith
2009-09-22 9:20 ` Mike Galbraith
2009-09-22 11:22 ` Henrique de Moraes Holschuh
2009-09-22 11:32 ` Mike Galbraith [this message]
2009-09-22 16:58 ` James Cloos
2009-09-20 17:04 ` Ulrich Lukas
2009-09-20 20:22 ` Jiri Kosina
2009-09-20 22:04 ` Jan Kara
2009-09-21 7:25 ` Mike Galbraith
2009-09-21 7:33 ` Arjan van de Ven
2009-09-21 7:41 ` Mike Galbraith
2009-09-21 7:47 ` Mike Galbraith
2009-09-21 2:59 ` Ulrich Lukas
[not found] <dmlhK-6ws-5@gated-at.bofh.it>
[not found] ` <dmnMy-8tg-7@gated-at.bofh.it>
2009-09-20 18:51 ` Sanjoy Mahajan
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