From owner-freebsd-questions@FreeBSD.ORG  Tue May 24 17:20:47 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 D084A16A41C
	for <freebsd-questions@freebsd.org>;
	Tue, 24 May 2005 17:20:47 +0000 (GMT)
	(envelope-from fborghesi@gmail.com)
Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.203])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 75A2243D1D
	for <freebsd-questions@freebsd.org>;
	Tue, 24 May 2005 17:20:47 +0000 (GMT)
	(envelope-from fborghesi@gmail.com)
Received: by zproxy.gmail.com with SMTP id 16so1234881nzp
	for <freebsd-questions@freebsd.org>;
	Tue, 24 May 2005 10:20:46 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:references;
	b=MLYsWzPv2lObWmHMrC8GaDINONuh9f6dk5j/Lz90eoAIy5IqsuI92MPtSSpU+Dk22Kp5hSW+F2SmHbp2NZzghJtuzwHfGrOOizRsYQwNSXRCG7G4pgYRj+PgPuCrKvKHx2o0dTtYEhpVhAqb21KWaz+b6ml8Z0M4RIdhNLLBZBM=
Received: by 10.36.82.9 with SMTP id f9mr1797682nzb;
	Tue, 24 May 2005 10:20:46 -0700 (PDT)
Received: by 10.36.105.6 with HTTP; Tue, 24 May 2005 10:20:46 -0700 (PDT)
Message-ID: <e13c14ec05052410204328e133@mail.gmail.com>
Date: Tue, 24 May 2005 14:20:46 -0300
From: Franco Bruno Borghesi <fborghesi@gmail.com>
To: Kirk Strauser <kirk@strauser.com>
In-Reply-To: <200505241200.55346.kirk@strauser.com>
Mime-Version: 1.0
References: <200505241053.36377.kirk@strauser.com>
	<200505241159.24346.kellers@njit.edu>
	<200505241200.55346.kirk@strauser.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Cc: freebsd-questions@freebsd.org
Subject: Re: Top only showing one active CPU on HTT system
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Franco Bruno Borghesi <fborghesi@gmail.com>
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, 24 May 2005 17:20:48 -0000

I'm curious... doesn't enabling ht make your system run slower? That's what=
=20
I had found searching on google a while ago, and that's why I have never=20
enabled ht on my kernels.


2005/5/24, Kirk Strauser <kirk@strauser.com>:
>=20
> On Tuesday 24 May 2005 10:59, Tim Kellers wrote:
>=20
> > The acpi_load=3D"YES" in /boot/loader.conf might do the trick.
>=20
> Actually, it turns out that I have to set machdep.hyperthreading_allowed=
=3D1
> for HTT to work now.
>=20
> Speaking of which, is that tunable documented anywhere besides the HTT
> security PR? It's not in the 5.4-STABLE /usr/src/UPDATING or anyplace els=
e
> I've looked, so I was more than a bit surprised to find that such an
> important default was changed without much notice. I imagine a lot of
> people read the PR much as I did: "blah, blah, theoretical, doesn't affec=
t
> me, next message"...
> --
> Kirk Strauser
>=20
>=20
>