Date: Mon, 25 May 2009 19:27:58 +0200 From: Peter Boosten <peter@boosten.org> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: Yuri <yuri@rawbw.com>, Scott Bennett <bennett@cs.niu.edu>, freebsd-questions@freebsd.org, utisoft@gmail.com Subject: Re: How can this 'top' command output make sense? Load over 7 and total CPU use ~5% Message-ID: <C9B964A3-BE91-4518-B13C-EE28282FD810@boosten.org> In-Reply-To: <alpine.BSF.2.00.0905251912000.40022@wojtek.tensor.gdynia.pl> 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> <4A1A58FA.60303@boosten.org> <alpine.BSF.2.00.0905251912000.40022@wojtek.tensor.gdynia.pl>
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On 25 mei 2009, at 19:12, Wojciech Puchar wrote: >> I think Wojciech means '...which is NOT measure of CPU _utilization_' > > exactly what i said. > Regardless from what you said: you _wrote_ CPU _load_, not cpu _utilization_, which are two completely different thingemies. The load averages in top describe the state the entire machine is in, not just the CPU. >> >> 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. > > and that's inconsistent with explanation that load average is > measure of CPU load. > > > it's not. I never claimed load average = CPU load! Peter -- http://www.boosten.org
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