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Date:      Tue, 25 Jan 2011 11:36:19 -0700
From:      Chad Perrin <perrin@apotheon.com>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: more CPU being used than I have (?)
Message-ID:  <20110125183619.GA65845@guilt.hydra>
In-Reply-To: <AANLkTi=wX+EVyjnH=8m0-+3qzi4KF1YeZZngUe_EQ2sw@mail.gmail.com>
References:  <20110124235740.GA62134@guilt.hydra> <1295917366.59721.2.camel@main> <20110125030725.GA62670@guilt.hydra> <AANLkTi=wX+EVyjnH=8m0-+3qzi4KF1YeZZngUe_EQ2sw@mail.gmail.com>

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On Tue, Jan 25, 2011 at 06:20:02AM -0700, Dmitri Brengauz wrote:
> On Mon, Jan 24, 2011 at 8:07 PM, Chad Perrin <perrin@apotheon.com> wrote:
> >
> > Do you have a reference to a relatively simple explanation of how that
> > weighting works (and why)?
>=20
> man 1 ps:
>=20
> %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.

--=20
Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]

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