From: Lee Revell <rlrevell@joe-job.com>
To: dean gaudet <dean-list-linux-kernel@arctic.org>
Cc: Alejandro Bonilla <abonilla@linuxwireless.org>,
Jens Axboe <axboe@suse.de>, Shawn Starr <shawn.starr@rogers.com>,
Lenz Grimmer <lenz@grimmer.com>,
Jesper Juhl <jesper.juhl@gmail.com>, Dave Hansen <dave@sr71.net>,
Henrik Brix Andersen <brix@gentoo.org>,
hdaps-devel@lists.sourceforge.net,
LKML List <linux-kernel@vger.kernel.org>
Subject: Re: IBM HDAPS things are looking up
Date: Tue, 05 Jul 2005 01:13:44 -0400 [thread overview]
Message-ID: <1120540424.17355.2.camel@mindpipe> (raw)
In-Reply-To: <Pine.LNX.4.63.0507041131390.26084@twinlark.arctic.org>
On Mon, 2005-07-04 at 11:36 -0700, dean gaudet wrote:
> as for other details it's trivial to lock the daemon in memory and run
> it at nice -4 to get a head start on parking even when at 100% cpu and
> under memory load.
>
Negative nice values are not the correct solution when dealing with RT
constraints like this, you need SCHED_FIFO. You can't afford the chance
that the scheduler could decide to run another task due to some internal
heuristic.
Lee
next prev parent reply other threads:[~2005-07-05 5:13 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-04 1:32 IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Jesper Juhl
2005-07-04 2:12 ` Alejandro Bonilla
2005-07-04 6:00 ` Lenz Grimmer
2005-07-04 6:17 ` Jens Axboe
2005-07-04 5:30 ` Alejandro Bonilla
2005-07-04 6:37 ` Jens Axboe
2005-07-04 7:16 ` Arjan van de Ven
2005-07-04 7:22 ` Jens Axboe
2005-07-04 7:27 ` Arjan van de Ven
2005-07-04 7:30 ` Jens Axboe
2005-07-04 10:33 ` Lenz Grimmer
2005-07-04 11:06 ` Jens Axboe
2005-07-04 13:18 ` IBM HDAPS things are looking up Lenz Grimmer
2005-07-04 13:25 ` Jens Axboe
2005-07-04 14:32 ` [Hdaps-devel] " Shawn Starr
2005-07-07 8:03 ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Jens Axboe
2005-07-07 8:41 ` Head parking (was: IBM HDAPS things are looking up) Lenz Grimmer
2005-07-07 8:48 ` Jens Axboe
2005-07-07 10:17 ` [Hdaps-devel] " Lenz Grimmer
2005-07-07 15:06 ` Shawn Starr
2005-07-07 9:07 ` Pekka Enberg
2005-07-07 11:44 ` Jens Axboe
2005-07-07 13:28 ` Pekka Enberg
2005-07-07 14:28 ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Shawn Starr
2005-07-07 14:37 ` Alejandro Bonilla
2005-07-07 15:06 ` Jens Axboe
2005-07-07 20:43 ` Folkert van Heusden
2005-07-07 15:05 ` Jens Axboe
2005-07-07 23:00 ` Jon Escombe
2005-07-07 23:31 ` Alejandro Bonilla
2005-07-08 6:31 ` Jens Axboe
2005-07-08 18:32 ` Shawn Starr
2005-07-07 15:03 ` Shawn Starr
2005-07-07 17:02 ` Clemens Koller
2005-07-07 17:15 ` Alejandro Bonilla
2005-07-07 17:34 ` Jens Axboe
2005-07-07 17:49 ` Matthew Garrett
2005-07-07 18:52 ` Jens Axboe
2005-07-07 17:27 ` Jens Axboe
2005-07-07 17:38 ` Dave Hansen
2005-07-07 18:01 ` Lee Revell
2005-07-07 18:03 ` Dave Hansen
2005-07-07 18:48 ` Jens Axboe
2005-07-04 13:03 ` Pavel Machek
2005-07-04 20:30 ` IBM HDAPS things are looking up Lenz Grimmer
2005-07-04 22:12 ` Pavel Machek
2005-07-04 21:08 ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Alejandro Bonilla
2005-07-05 7:14 ` Jens Axboe
2005-07-05 12:29 ` Alejandro Bonilla
2005-07-05 15:41 ` Sander
2005-07-05 15:52 ` Alejandro Bonilla
2005-07-05 15:45 ` Lee Revell
2005-07-04 10:28 ` Lenz Grimmer
2005-07-04 14:27 ` Shawn Starr
2005-07-04 14:46 ` Jens Axboe
2005-07-04 17:24 ` IBM HDAPS things are looking up Alejandro Bonilla
2005-07-04 18:36 ` dean gaudet
2005-07-05 5:13 ` Lee Revell [this message]
2005-07-04 18:40 ` Jens Axboe
2005-07-04 18:59 ` IBM HDAPS things are looking up (was: Re: [Hdaps-devel] Re: [ltp] IBM HDAPS Someone interested? (Accelerometer)) Aaron Cohen
2005-07-04 19:27 ` Lenz Grimmer
2005-07-04 8:45 ` Andrey Panin
2005-07-04 10:49 ` Pekka Enberg
2005-07-04 11:00 ` Jesper Juhl
2005-07-04 12:32 ` Pavel Machek
[not found] <4msjB-DS-9@gated-at.bofh.it>
[not found] ` <4mste-IL-1@gated-at.bofh.it>
[not found] ` <4msME-SM-9@gated-at.bofh.it>
[not found] ` <4msWl-Yq-5@gated-at.bofh.it>
[not found] ` <4mtza-1vg-15@gated-at.bofh.it>
[not found] ` <4mtII-1Ab-13@gated-at.bofh.it>
[not found] ` <4mtSm-1FA-5@gated-at.bofh.it>
[not found] ` <4mtSn-1FA-11@gated-at.bofh.it>
[not found] ` <4mwx1-3N9-25@gated-at.bofh.it>
[not found] ` <4mx9A-4qm-1@gated-at.bofh.it>
[not found] ` <4nzCr-6fN-19@gated-at.bofh.it>
[not found] ` <4nI36-527-9@gated-at.bofh.it>
2005-07-08 0:56 ` Bodo Eggert
2005-07-08 0:46 ` IBM HDAPS things are looking up Alejandro Bonilla
2005-07-08 6:27 ` Jens Axboe
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