From owner-freebsd-questions Sat Apr 22 18:46:46 2000 Delivered-To: freebsd-questions@freebsd.org Received: from janus.hosting4u.net (janus.hosting4u.net [209.15.2.37]) by hub.freebsd.org (Postfix) with SMTP id 10F5E37B894 for ; Sat, 22 Apr 2000 18:46:37 -0700 (PDT) (envelope-from andy@friends-tv.net) Received: (qmail 19467 invoked from network); 23 Apr 2000 01:46:33 -0000 Received: from jupiter.hosting4u.net (HELO friends-tv.net) (209.15.2.9) by janus.hosting4u.net with SMTP; 23 Apr 2000 01:46:33 -0000 Received: from blade ([195.217.160.159]) by friends-tv.net ; Sat, 22 Apr 2000 20:46:30 -0500 Message-ID: <022f01bfacc5$f9d11ff0$0100a8c0@blade> From: "Andy Coates" To: "Greg Lehey" Cc: References: <017701bfac70$2152eaa0$0100a8c0@blade> <20000423105631.E4675@freebie.lemis.com> Subject: Re: Dual Processors Date: Sun, 23 Apr 2000 02:48:05 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6700 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Greg Lehey" To: "Andy Coates" Cc: Sent: Sunday, April 23, 2000 2:26 AM Subject: Re: Dual Processors > On Saturday, 22 April 2000 at 16:33:34 +0100, Andy Coates wrote: > > Hi, > > > > I currently have a Abit BP6 motherboard with 2 celeron 466's. I'm not sure > > how to make FreeBSD make use of both these processors, can anyone give me a > > point in the right direction as to where I should be looking? > > > > I added SMP options in the kernel config, but I wasn't too sure what to use > > so I left the defaults in: > > # To make an SMP kernel, the next two are needed > > options SMP # Symmetric MultiProcessor Kernel > > options APIC_IO # Symmetric (APIC) I/O > > # Optionally these may need tweaked, (defaults shown): > > options NCPU=2 # number of CPUs > > options NBUS=4 # number of busses > > options NAPIC=1 # number of IO APICs > > options NINTR=24 # number of INTs > > > > Would that be okay? And how can I test that I am using both processors? I > > tried running a CPU intensive program and the load average never went over > > 1, which I thought would reach 2 if 2 processors were in use. > > If you run one CPU intensive program, it will run in one CPU. You > need at least two to use both CPUs. Take a look at dmesg. You should > see: > > SMP: AP CPU #1 Launched! Yep, its there. I did actually see that message on bootup, and first impression was that only #1 CPU had been started or something, and wondered where #2 was :-) Thanks for clearing it up. Now I rest in the knowledge my box is running at its fastest :-) Andy. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message