Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 16 Jun 2003 23:21:55 +0200
From:      Stijn Hoop <stijn@win.tue.nl>
To:        Chuck Swiger <cswiger@mac.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: got load > 1 but no CPU state is showing?
Message-ID:  <20030616212155.GL49234@pcwin002.win.tue.nl>
In-Reply-To: <3EEDFC3F.20703@mac.com>
References:  <20030616141153.GH49234@pcwin002.win.tue.nl> <3EEDFC3F.20703@mac.com>

index | next in thread | previous in thread | raw e-mail

[-- Attachment #1 --]
On Mon, Jun 16, 2003 at 01:19:59PM -0400, Chuck Swiger wrote:
> Stijn Hoop wrote:
> > On a lightly loaded server top is misbehaving: it continuously shows all
> > CPU states at 0.0% yet my load varies from 0.50 to about 3. Is there
> > any explanation for this?
> 
> Maybe.  :-)  I was going to say that on fast machines, it's not unusual for 
> processes which start up and then finish quickly to go away before top 
> "sees" them, but you still see the effect in the aggregate system load.  

Yes, that was wat I was babbling about wrt "syncing".

> However, that doesn't explain this line:
> 
> > CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% 
> idle
> 
> Clutching at straws, maybe top can't read /dev/kmem or something?
> Try doing a "MAKEDEV all" in /dev...

A reboot solved my problems -- while examining this phenomenon PostgreSQL
came to a halt and wouldn't restart due to a lack of available shared memory,
although ipcs(1) didn't show any active handles. Since I needed the database
server, I had to reboot.

I suspect something hardwarish though, I've never seen this kind of weird
behaviour before.

--Stijn

-- 
The rain it raineth on the just
	And also on the unjust fella,
But chiefly on the just, because
	The unjust steals the just's umbrella.

[-- Attachment #2 --]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.2 (FreeBSD)

iD8DBQE+7jTzY3r/tLQmfWcRAkFzAJ9l9LycSjA7Za/cNpXfzOgFXo23YACgni0E
vLUwI6tB5Q3aF8ZBswUZyl8=
=ovli
-----END PGP SIGNATURE-----
help

Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030616212155.GL49234>