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From: Craig Butler <craig001@lerwick.hopto.org>
To: Chad Perrin <perrin@apotheon.com>
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Date: Wed, 26 Jan 2011 14:40:27 +0000
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Cc: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: more CPU being used than I have (?)
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> > > 
> > > %cpu      The CPU utilization of the process; this is a decaying average
> > >  over up to a minute of previous (real) time. Since the time
> > > base over which this is computed varies (since processes may be
> > > very young) it is possible for the sum of all %cpu fields to
> > > exceed 100%.
> > 
> > Unfortunately, that doesn't explain why.
> > 
> 
> Chad,
> 
> ASK GOOGLE !!!
> 
> a quick google search gave me -
> 
> http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1296052256266+28353475&threadId=57634
> 
> happy reading..
> 
> Regards
> 
> Craig B
> 
> _______________________________________________
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copied from above link --

In summary:

The %WCPU is just a 'forecast' value for the process. It really has no
real world value. It's value is totally controlled by the scheduler.

The man page for top(1) indicates that %CPU is the "Raw CPU percentage.
This field is used to sort the top processes".

Well, the %CPU is the total percentage without the 'forecast' factor
built-in, such as a 'raw value.'

Regards

Craig B