Date: Thu, 12 Apr 2007 12:42:13 +0200 From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Randall Stewart <rrs@cisco.com> Cc: freebsd-current@freebsd.org, Brad Penoff <penoff@cs.ubc.ca>, Janardhan Iyengar <iyengar@conncoll.edu> Subject: Re: CPU utilization Message-ID: <86hcrlzxfe.fsf@dwp.des.no> In-Reply-To: <461E0078.3050001@cisco.com> (Randall Stewart's message of "Thu, 12 Apr 2007 05:48:40 -0400") References: <461E0078.3050001@cisco.com>
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Randall Stewart <rrs@cisco.com> writes: > I have three machines. > > 1) stewart - running 7.0 (2.8gig p4 dual core) > 2) bsd1 - running 7.0 (2.8gig Xeon Hyperthreaded) > 3) bsd2 - running 6.2 (2.4gig Xeon Hyperthreaded) > > Now if I run tests that max out cpu (at least I think > they do).. I see <1> or <2> drag down to 1% idle/ even > 0 %idle. > > However <3> never drops below 50% idle.. it preforms > a lot slower too.. which I expect since it is somewhat > of an older processor.. but in running say > top -S I see CPU 1 always running the idle process... By default, 6.2 doesn't schedule processes on the virtual core on a hyperthreading CPU. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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