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Date: Sat, 23 Feb 2008 07:02:55 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Hugo Silva <hugo@barafranca.com>
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Cc: freebsd-current@FreeBSD.ORG
Subject: Re: cpu usage in 7.0
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Hugo Silva wrote:
> Kris Kennaway wrote:
>> 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.
>>
>> 100% in FreeBSD means "all of your CPUs are completely active".  It is 
>> hard to exceed this amount :-)
> 
> You should see my production mysql going over 458% on service startup, 
> on a quad core server :-)

That is a multithreaded process using multiple CPUs, not the total CPU 
statistics (first line of top(1)).

Kris