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Date:      Mon, 25 May 2009 10:38:18 +0200
From:      Peter Boosten <peter@boosten.org>
To:        utisoft@gmail.com
Cc:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>, Scott Bennett <bennett@cs.niu.edu>, freebsd-questions@freebsd.org, Yuri <yuri@rawbw.com>
Subject:   Re: How can this 'top' command output make sense? Load over 7 and total CPU use ~5%
Message-ID:  <4A1A58FA.60303@boosten.org>
In-Reply-To: <b79ecaef0905250133n5cd641dv6ca8e088f8fa2f33@mail.gmail.com>
References:  <200905241315.n4ODFB96007801@mp.cs.niu.edu>	<alpine.BSF.2.00.0905242021440.33060@wojtek.tensor.gdynia.pl> <b79ecaef0905250104p55c302cdh102202d1a06a389b@mail.gmail.com> <alpine.BSF.2.00.0905251013500.36458@wojtek.tensor.gdynia.pl> <b79ecaef0905250133n5cd641dv6ca8e088f8fa2f33@mail.gmail.com>

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Chris Rees wrote:
> 2009/5/25 Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>:
>>>> first - says that it's measure of CPU load
>>>> then - "or waiting for short-term events such as disk I/O" - which is NOT
>>>> measure of CPU load.
>>>>
>>> Er, what? Of course it is!
>>>
>> amount of disk I/O is a measure of CPU load? seems you are true expert ;)
>>
> 
> Do you ever think before you type? You regularly fill this mailing
> list with crap, incorrect advice, and correcting experts on topics
> that you haven't got a clue on.
> 
> Just google load average and see for yourself.
> 
> Remember checking things before making oneself look a fool? Perhaps
> you used to do that at one time, most other people do.
> 
> Chris
> 

I think Wojciech means '...which is NOT measure of CPU _utilization_'

In that case he's correct: whenever the CPU has to wait a lot for I/O,
like network and disk, then the _load_ will go up, while the CPU
_utilization_ stays low.

Peter


-- 
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