Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 23 Apr 2007 01:54:10 +0200
From:      Max Laier <max@love2party.net>
To:        freebsd-smp@freebsd.org
Cc:        Paul <bsdlist@cogeco.ca>
Subject:   Re: System Cpu Between 50-70% and need to find out why
Message-ID:  <200704230154.15703.max@love2party.net>
In-Reply-To: <20070422225246.575EA5D7@fep7.cogeco.net>
References:  <20070422225246.575EA5D7@fep7.cogeco.net>

next in thread | previous in thread | raw e-mail | index | archive | help
--nextPart7548206.CTLQcQmGoc
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

On Monday 23 April 2007 00:52, Paul wrote:
> >Uh you had the right idea but forgot to paste the relevant bits ;-)
> >
> >top *is* the tool for working out what processes are using your CPU.
> >Although your high load average suggests that your system is just
> >heavily loaded and it is expected that it will be using 100% CPU.
> >
> >Kris
>
> Dear Kris,
>
> Thanks for your e-mail.
>
> The odd thing is that I just switched from an old 4.12 box with dual
> xeon (only 2 processors) with 4 gb of ram to the 6.2 with the extra
> ram and dual core dual zeons (technically twice the cpus:) and 4* the
> ram....
>
> This one is dying and the other older "so called slower" system works
> much better with as close to the same configuration as I can make it.
>
> I have to assume something is wrong here but I will keep digging as
> this is not even workable.
>
> The system cpu is still high if I get rid of the memory drive and
> have it save on the disks. It takes a lifetime to build a kernel now...
>
> Any way I can view what is made up of the 50-70% system cpu to be
> able to pinpoint the bottleneck?
>
> I have tried to trim down the ipfw rules to see if this was the
> culprit but this does not seem to be making a difference so far.

"vmstat -i" could help to rule out interrupt storms.  "top -S" will show=20
in-kernel threads as will "systat".  Maybe these help.

=2D-=20
/"\  Best regards,                      | mlaier@freebsd.org
\ /  Max Laier                          | ICQ #67774661
 X   http://pf4freebsd.love2party.net/  | mlaier@EFnet
/ \  ASCII Ribbon Campaign              | Against HTML Mail and News

--nextPart7548206.CTLQcQmGoc
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (FreeBSD)

iD8DBQBGK/WnXyyEoT62BG0RAtsmAJ0WeSuj/NYXspxzNAzd9mSXwMJAMgCfVWDm
qax9sOpXL0RX8ATGfXGkDrs=
=uAdU
-----END PGP SIGNATURE-----

--nextPart7548206.CTLQcQmGoc--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200704230154.15703.max>