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Date:      Sun, 06 Jun 1999 19:55:44 +0200
From:      Christoph Splittgerber <cs@sdata.de>
To:        Shaun Rowland <rowland@cis.ohio-state.edu>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: kern/10411: top, vmstat, iostat show 0% cpu idle & usage on SMP      system
Message-ID:  <375AB620.7285124B@sdata.de>
References:  <19990606142328.24249.rocketmail@web129.yahoomail.com> <375A87AB.2BC107D7@sdata.de> <87n1ydjmy8.fsf@dhcp9545042.columbus.rr.com>

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Shaun Rowland wrote:

> > Another thing comes to my mind: The system reports a loadavg of
> > about 2.00, shouldn't it be around 1.00 with two jobs running on two
> > CPUs ?
> 
> That depends on your version of top.  In Solaris and FreeBSD this
> behavior is correct.

.. and that's the way loadavg is defined as I just found out in "The
Design and Implementation of the 4.[34] BSD Operating System". However,
I don't like it too much. I mean my point is: When I call getloadavg(3),
most of the time I am interested in my "systems load" and less in my
"systems run queue length". E.g. how to find out if it is worth spawning
another process/thread.

Christoph


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