From: Eric Bambach <eric@cisu.net>
To: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: system load avg loops?!?
Date: Fri, 21 Jan 2005 13:04:34 -0600 [thread overview]
Message-ID: <200501211304.34556.eric@cisu.net> (raw)
In-Reply-To: <18D4A39C-6BCA-11D9-9476-000D932A43BC@karlsbakk.net>
On Friday 21 January 2005 10:32 am, Roy Sigurd Karlsbakk wrote:
This is not re-creatable here. As expected the tight loop pegs my CPU to 100
and we see the load avg increasing.
Either this was introduced in mm1, gentoo fixes it, or its an isolated
incident with Mr R. Karlsbakk.
Can I be of service in any other capacity kernel gurus?
bot403@eric MVS $ uname -a
Linux eric 2.6.9-gentoo-r9 #6 Wed Jan 19 18:37:07 CST 2005 i686 AMD Athlon(tm)
XP 2600+ AuthenticAMD GNU/Linux
--------------Tried to recreate OP output below------------
<~:12:55:44>
root@eric >while true; do uptime >> log; done
<~:12:57:37>
root@eric >uniq log
12:55:45 up 1 day, 18:14, 7 users, load average: 0.69, 0.55, 0.38
12:55:46 up 1 day, 18:14, 7 users, load average: 0.69, 0.55, 0.38
12:55:47 up 1 day, 18:14, 7 users, load average: 0.69, 0.55, 0.38
12:55:48 up 1 day, 18:14, 7 users, load average: 0.69, 0.55, 0.38
12:55:48 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:49 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:50 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:51 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:52 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:53 up 1 day, 18:14, 7 users, load average: 0.87, 0.59, 0.39
12:55:53 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
12:55:54 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
12:55:55 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
12:55:56 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
12:55:57 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
12:55:58 up 1 day, 18:14, 7 users, load average: 0.88, 0.60, 0.39
--snip to shorten, you get the idea steady increase--
12:56:55 up 1 day, 18:15, 7 users, load average: 0.95, 0.67, 0.43
12:56:56 up 1 day, 18:15, 7 users, load average: 0.95, 0.67, 0.43
12:56:57 up 1 day, 18:15, 7 users, load average: 0.95, 0.67, 0.43
12:56:58 up 1 day, 18:15, 7 users, load average: 0.95, 0.67, 0.43
12:56:58 up 1 day, 18:15, 7 users, load average: 0.96, 0.67, 0.43
12:56:59 up 1 day, 18:15, 7 users, load average: 0.96, 0.67, 0.43
--snip more avg .96 each second--
12:57:12 up 1 day, 18:15, 7 users, load average: 0.96, 0.68, 0.44
12:57:13 up 1 day, 18:15, 7 users, load average: 0.96, 0.68, 0.44
12:57:13 up 1 day, 18:15, 7 users, load average: 0.97, 0.69, 0.44
12:57:14 up 1 day, 18:15, 7 users, load average: 0.97, 0.69, 0.44
12:57:15 up 1 day, 18:15, 7 users, load average: 0.97, 0.69, 0.44
12:57:16 up 1 day, 18:15, 7 users, load average: 0.97, 0.69, 0.44
12:57:16 up 1 day, 18:16, 7 users, load average: 0.97, 0.69, 0.44
12:57:17 up 1 day, 18:16, 7 users, load average: 0.97, 0.69, 0.44
12:57:18 up 1 day, 18:16, 7 users, load average: 0.97, 0.69, 0.44
12:57:19 up 1 day, 18:16, 7 users, load average: 0.97, 0.69, 0.44
12:57:20 up 1 day, 18:16, 7 users, load average: 0.97, 0.69, 0.44
<~:12:57:40>
root@eric >
> hei
>
> the log at http://karlsbakk.net/uptime.log.gz is a log create with
--snip--
--
----------------------------------------
--EB
> All is fine except that I can reliably "oops" it simply by trying to read
> from /proc/apm (e.g. cat /proc/apm).
> oops output and ksymoops-2.3.4 output is attached.
> Is there anything else I can contribute?
The latitude and longtitude of the bios writers current position, and
a ballistic missile.
--Alan Cox LKML-December 08,2000
----------------------------------------
prev parent reply other threads:[~2005-01-21 19:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-21 16:32 system load avg loops?!? Roy Sigurd Karlsbakk
2005-01-21 19:04 ` Eric Bambach [this message]
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