From owner-freebsd-current@FreeBSD.ORG Thu Apr 12 10:42:18 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BCC6416A400 for ; Thu, 12 Apr 2007 10:42:18 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (tim.des.no [194.63.250.121]) by mx1.freebsd.org (Postfix) with ESMTP id 7D88D13C484 for ; Thu, 12 Apr 2007 10:42:18 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (localhost [127.0.0.1]) by spam.des.no (Postfix) with ESMTP id B32F82094; Thu, 12 Apr 2007 12:42:14 +0200 (CEST) X-Spam-Tests: AWL X-Spam-Learn: disabled X-Spam-Score: 0.0/3.0 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on tim.des.no Received: from dwp.des.no (des.no [80.203.243.180]) by smtp.des.no (Postfix) with ESMTP id A11522087; Thu, 12 Apr 2007 12:42:14 +0200 (CEST) Received: by dwp.des.no (Postfix, from userid 1001) id 05FE6535C; Thu, 12 Apr 2007 12:42:13 +0200 (CEST) From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Randall Stewart References: <461E0078.3050001@cisco.com> Date: Thu, 12 Apr 2007 12:42:13 +0200 In-Reply-To: <461E0078.3050001@cisco.com> (Randall Stewart's message of "Thu, 12 Apr 2007 05:48:40 -0400") Message-ID: <86hcrlzxfe.fsf@dwp.des.no> User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org, Brad Penoff , Janardhan Iyengar Subject: Re: CPU utilization X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Apr 2007 10:42:18 -0000 Randall Stewart 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