Date: Mon, 25 May 2009 21:42:40 +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: <29229B06-6098-4488-9E9A-A5CFE6F9643B@boosten.org> In-Reply-To: <alpine.BSF.2.00.0905252135050.41170@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> <C9B964A3-BE91-4518-B13C-EE28282FD810@boosten.org> <alpine.BSF.2.00.0905252107590.40989@wojtek.tensor.gdynia.pl> <1932D812-03CF-48AF-A306-669C39862EB7@boosten.org> <alpine.BSF.2.00.0905252119520.41069@wojtek.tensor.gdynia.pl> <EEB4E0E6-E903-4FCD-A583-2A17ACE9E902@boosten.org> <alpine.BSF.2.00.0905252135050.41170@wojtek.tensor.gdynia.pl>
next in thread | previous in thread | raw e-mail | index | archive | help
On 25 mei 2009, at 21:37, Wojciech Puchar wrote: >> The CPU = "Central Processing Unit" will perform it's calculations >> at so many megahertz while at 10% utilization or at 100% >> utilization. The entire machine > > no. it will not. all today x86 CPUs reacts on HLT command and > doesn't do anything except waiting for interrupt (and saving lots of > power). > Do you actually read back what you write: you're saying here that when a CPU has only 10% utilization, it'll run slower than when performing at 100%... I'm giving up ;-) Peter -- http://www.boosten.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?29229B06-6098-4488-9E9A-A5CFE6F9643B>