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Date:      Tue, 13 Dec 2005 14:30:45 -0500
From:      Ian Lord <mailing-lists@msdi.ca>
To:        robert@webtent.com,FreeBSD <freebsd-questions@freebsd.org>
Subject:   Re: Multiple CPUs
Message-ID:  <7.0.0.16.2.20051213142906.056a73d0@Msdi.ca>
In-Reply-To: <1134501177.13444.56.camel@columbus.webtent.org>
References:  <1134501177.13444.56.camel@columbus.webtent.org>

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At 14:12 2005-12-13, Robert Fitzpatrick wrote:
>I guess this means my new server is only using one of my CPUs?
>
>esmtp# grep CPU /var/log/dmesg.today
>CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2399.33-MHz 686-class CPU)
>   Hyperthreading: 2 logical CPUs
>cpu0: <ACPI CPU (2 Cx states)> on acpi0
>
>Can someone point me to the best doc for enabling use of both CPUs on
>the FreeBSD 5.4 server? I assume the kernel needs built with options.
>
>--
>Robert
>
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Just add
options         SMP

to your kernel configuration file and rebuild your kernel. You should 
go though all the configurations at the same time to do some optimizations...

You can find the infos in the handbook on how to compile your kernel:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html




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