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Date:      Mon, 28 Aug 2000 11:18:27 +0200
From:      Johan Pettersson <johpe159@student.liu.se>
To:        Johan Petersson <kjep@usa.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: CPU load vs. load average
Message-ID:  <20000828111827.A467@b41.ryd.student.liu.se>
In-Reply-To: <20000827143851.6744.qmail@nwcst319.netaddress.usa.net>; from kjep@usa.net on Sun, Aug 27, 2000 at 04:38:50PM %2B0200
References:  <20000827143851.6744.qmail@nwcst319.netaddress.usa.net>

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On Sun, Aug 27, 2000 at 04:38:50PM +0200, Johan Petersson wrote:
> Hi everyone,
> 
> I recently discovered that when I send or receive a fax using HylaFAX
> and a class 1 modem the load average goes up to about 0.7 while the
> CPU stays at 99% idle. How can this be? I always thought that load
> average was a rough measurement of CPU load but I now guess it's not?
> Could someone please explain the difference to me?
> 
> Regards
> Johan Petersson
>
Hello!

-From UNIX System Administration Handbook- 

The "load average", the average number of runnable processes,
includes processes waiting for disk and network I/O. So it is
not a pure measure of CPU use.

--Johan


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