System Cpu Between 50-70% and need to find out why

Kris Kennaway kris at obsecurity.org
Sun Apr 22 23:08:31 UTC 2007


On Mon, Apr 23, 2007 at 01:04:00AM +0200, Christopher Arnold wrote:
> 
> 
> On Sun, 22 Apr 2007, Kris Kennaway wrote:
> 
> >On Sun, Apr 22, 2007 at 06:14:38PM -0400, Paul wrote:
> >>My system is being killed by a system cpu always between 50-70% on
> >>Freebsd 6.2 with SMP enabled. Does anyone know of a quick tool to be
> >>able to tell me what is making up that 50-70% for the System Cup Usage.
> >>
> >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.
> >
> Maybe Paul havn't found "S" in top?
> 
> Enter "S" when runing top (to show system processes) and you might find 
> out more about whats going on.

I wonder if his md filesystem is also using a silly option like soft
updates, which was the default at some point (should be using async).

Kris
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