From: Bill Davidsen <davidsen@tmr.com>
To: Bernd Eckenfels <be-news06@lina.inka.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: High load average on disk I/O on 2.6.17-rc3
Date: Tue, 09 May 2006 14:33:17 -0400 [thread overview]
Message-ID: <4460E06D.5010903@tmr.com> (raw)
In-Reply-To: <E1FdE9I-00058a-00@calista.inka.de>
Bernd Eckenfels wrote:
> Erik Mouw <erik@harddisk-recovery.com> wrote:
>> ... except that any kernel < 2.6 didn't account tasks waiting for disk
>> IO. Load average has always been somewhat related to tasks contending
>> for CPU power.
>
> Actually all Linux kernels accounted for diskwaits and others like BSD based
> not. It is a very old linux oddness.
Well, sort of. The current numbers are counting kernel threads against
load average, and before there were kernel threads that clearly didn't
happen. So what you say is true, but it's only a part of the truth.
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
next prev parent reply other threads:[~2006-05-12 14:04 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-05 17:10 High load average on disk I/O on 2.6.17-rc3 Jason Schoonover
2006-05-06 23:03 ` bert hubert
2006-05-07 1:02 ` Jason Schoonover
2006-05-07 10:54 ` bert hubert
2006-05-07 16:50 ` Andrew Morton
2006-05-07 17:24 ` Jason Schoonover
2006-05-08 11:13 ` Erik Mouw
2006-05-08 11:22 ` Arjan van de Ven
2006-05-08 11:28 ` Russell King
2006-05-08 11:38 ` Avi Kivity
2006-05-08 12:37 ` Arjan van de Ven
2006-05-09 14:37 ` Bill Davidsen
2006-05-08 14:24 ` Martin J. Bligh
2006-05-08 14:55 ` Arjan van de Ven
2006-05-08 15:22 ` Erik Mouw
2006-05-08 15:25 ` Martin J. Bligh
2006-05-08 15:31 ` Arjan van de Ven
2006-05-08 15:42 ` Erik Mouw
2006-05-08 16:02 ` Martin J. Bligh
2006-05-08 16:02 ` Miquel van Smoorenburg
2006-05-08 16:47 ` Russell King
2006-05-08 17:04 ` Gabor Gombas
2006-05-08 17:18 ` Mike Galbraith
2006-05-09 1:57 ` Nick Piggin
2006-05-09 2:02 ` Martin Bligh
2006-05-09 2:16 ` Nick Piggin
2006-05-09 4:36 ` Arjan van de Ven
2006-05-09 4:46 ` Nick Piggin
2006-05-09 5:27 ` Hua Zhong
2006-05-09 5:03 ` David Lang
2006-05-15 7:46 ` Sander
2006-05-08 22:24 ` Bernd Eckenfels
2006-05-08 22:39 ` Lee Revell
2006-05-09 0:08 ` Peter Williams
2006-05-09 18:33 ` Bill Davidsen [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-05-05 17:58 Jason Schoonover
[not found] <69c8K-3Bu-57@gated-at.bofh.it>
2006-05-05 23:12 ` Robert Hancock
2006-05-06 4:39 ` Jason Schoonover
2006-05-06 17:20 ` Robert Hancock
2006-05-06 18:23 ` Jason Schoonover
2006-05-06 20:01 ` Robert Hancock
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