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Date: Fri, 22 Feb 2008 23:18:07 +0100
From: Bernd Walter <ticso@cicely12.cicely.de>
To: Barney Cordoba <barney_cordoba@yahoo.com>
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Subject: Re: cpu usage in 7.0
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On Fri, Feb 22, 2008 at 12:54:06PM -0800, Barney Cordoba wrote:
> I have a dual core system running 7.0 and I can't get
> top to show more than 100% usage no matter how I
> hammer it. My MAC shows over 100% often, but its not
> clear if top is averaging the 2 cpus or just not going
> over 100, or just showing 1 of the cpus.

One CPU of a dual CPU system is only 50%.

> Is there any way to show the per-cpu usage to get an
> idea of the overall efficiency of sharing? Are there
> any tools that can be used to monitor this? What
> exactly is top showing?

Each CPU has its own idle thread.
You can see those system threads for example with top -S.

-- 
B.Walter                http://www.bwct.de      http://www.fizon.de
bernd@bwct.de           info@bwct.de            support@fizon.de