From owner-freebsd-questions@FreeBSD.ORG  Tue Dec 13 20:36:53 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 726D516A41F
	for <freebsd-questions@freebsd.org>;
	Tue, 13 Dec 2005 20:36:53 +0000 (GMT)
	(envelope-from pietro.cerutti@gmail.com)
Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.200])
	by mx1.FreeBSD.org (Postfix) with ESMTP id E6D5643D64
	for <freebsd-questions@freebsd.org>;
	Tue, 13 Dec 2005 20:36:46 +0000 (GMT)
	(envelope-from pietro.cerutti@gmail.com)
Received: by wproxy.gmail.com with SMTP id 69so213892wri
	for <freebsd-questions@freebsd.org>;
	Tue, 13 Dec 2005 12:36:46 -0800 (PST)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=RJPKJ5g5FWfhkL/lxQQGjRWjJAxE3Y2ZfFOhAPdvXE9QV5UKuW343czKNQgnB4nfaZF4InN5aNCfWRQlxXBEfJyIb2wPJfkLQLPln2LjZVE0jT1+xV5WVHSCSJtUDpWb0now3dKhNi4nC5WJFmW1UbPWWrjxrMaCsNxLwDkcHyk=
Received: by 10.65.234.5 with SMTP id l5mr32586qbr;
	Tue, 13 Dec 2005 12:36:39 -0800 (PST)
Received: by 10.64.150.18 with HTTP; Tue, 13 Dec 2005 12:36:39 -0800 (PST)
Message-ID: <e572718c0512131236x6a044f83gba269dd9307dfba9@mail.gmail.com>
Date: Tue, 13 Dec 2005 21:36:39 +0100
From: Pietro Cerutti <pietro.cerutti@gmail.com>
To: FreeBSD <freebsd-questions@freebsd.org>
In-Reply-To: <1134501177.13444.56.camel@columbus.webtent.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <1134501177.13444.56.camel@columbus.webtent.org>
Subject: Re: Multiple CPUs
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 13 Dec 2005 20:36:53 -0000

On 12/13/05, Robert Fitzpatrick <lists@webtent.net> 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


Do you really want to enable Hyperthreading?
Read this before:

http://www.daemonology.net/hyperthreading-considered-harmful/


--
Pietro Cerutti
<pietro.cerutti@gmail.com>

Beansidhe - SwiSS Death / Thrash Metal
<www.beansidhe.ch>

Windows: "Where do you want to go today?"
Linux: "Where do you want to go tomorrow?"
FreeBSD: "Are you guys coming or what?"