Date: Fri, 22 Feb 2008 23:18:07 +0100 From: Bernd Walter <ticso@cicely12.cicely.de> To: Barney Cordoba <barney_cordoba@yahoo.com> Cc: current@freebsd.org Subject: Re: cpu usage in 7.0 Message-ID: <20080222221806.GG80751@cicely12.cicely.de> In-Reply-To: <845250.18624.qm@web63909.mail.re1.yahoo.com> References: <845250.18624.qm@web63909.mail.re1.yahoo.com>
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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
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