From owner-freebsd-questions Wed May 23 2:58:31 2001 Delivered-To: freebsd-questions@freebsd.org Received: from bong.andmann.eu.org (world.peace.is [194.144.170.11]) by hub.freebsd.org (Postfix) with ESMTP id 4B00337B422; Wed, 23 May 2001 02:58:27 -0700 (PDT) (envelope-from andmann@bong.andmann.eu.org) Received: (from andmann@localhost) by bong.andmann.eu.org (8.11.0/8.11.0) id f4N9Dlj01646; Wed, 23 May 2001 09:13:47 GMT Date: Wed, 23 May 2001 09:13:47 +0000 From: "David S. Geirsson" To: Greg Lehey Cc: freebsd-questions@FreeBSD.org Subject: Re: SMP question Message-ID: <20010523091347.B1083@bong.andmann.eu.org> References: <20010522125544.C2342@bong.andmann.eu.org> <20010523093738.A76823@wantadilla.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2.5i In-Reply-To: <20010523093738.A76823@wantadilla.lemis.com>; from grog@FreeBSD.org on Wed, May 23, 2001 at 09:37:39AM +0930 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Well, for example if I would want a process to run with minimal interruption from other processes, I would like to be able to run it on one processor, then just run everything else on the other one. Then again, I suppose it would get plenty of CPU by changing its nice level. On Wed, May 23, 2001 at 09:37:39AM +0930, Greg Lehey wrote: > On Tuesday, 22 May 2001 at 12:55:44 +0000, David S. Geirsson wrote: > > I don't have an SMP system, but I might buy one in the near future. I just > > have one question, having never used SMP: Can I specify which CPU a process > > runs on? I.E., I want to start process X, and it should run on CPU #0, but > > process Y should run on CPU #1. Is this possible? How? > > No. The scheduler chooses which CPU to run processes on. In the > course of execution they will probably run on all processors. Why > would you want to outguess the scheduler? > > Greg > -- > When replying to this message, please copy the original recipients. > If you don't, I may ignore the reply. > For more information, see http://www.lemis.com/questions.html > Finger grog@FreeBSD.org for PGP public key > See complete headers for address and phone numbers -- Davíð Steinn Geirsson andmann@andmann.eu.org (354)-8696608 "Support staff hung over, Send aspirin and come back LATER." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message