From owner-freebsd-stable@FreeBSD.ORG Mon Apr 19 03:57:50 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 921B716A4CE for ; Mon, 19 Apr 2004 03:57:50 -0700 (PDT) Received: from mta4.rcsntx.swbell.net (mta4.rcsntx.swbell.net [151.164.30.28]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5ED1043D46 for ; Mon, 19 Apr 2004 03:57:50 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (3cc6ecae1e892f2b884e44c6a12c2d01@adsl-67-115-73-128.dsl.lsan03.pacbell.net [67.115.73.128])i3JAvnh7027743; Mon, 19 Apr 2004 05:57:49 -0500 (CDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 719C552751; Mon, 19 Apr 2004 02:35:23 -0700 (PDT) Date: Mon, 19 Apr 2004 02:35:23 -0700 From: Kris Kennaway To: "Morten A. Middelthon" Message-ID: <20040419093523.GA34419@xor.obsecurity.org> References: <20040419085841.GB64662@freenix.no> <20040419090049.GA51659@chihiro.leafy.idv.tw> <20040419092052.GD64662@freenix.no> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FCuugMFkClbJLl1L" Content-Disposition: inline In-Reply-To: <20040419092052.GD64662@freenix.no> User-Agent: Mutt/1.4.2.1i cc: freebsd-stable@freebsd.org Subject: Re: HTT and SMP question X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Apr 2004 10:57:50 -0000 --FCuugMFkClbJLl1L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 19, 2004 at 11:20:52AM +0200, Morten A. Middelthon wrote: > sysctl -w machdep.hlt_logical_cpus=3D0 >=20 > that did the trick. I added it to loader.conf as well. >=20 > regards, Note that HTT causes worse performance in many workloads, which is why that sysctl defaults to off. Kris --FCuugMFkClbJLl1L Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAg51bWry0BWjoQKURAlOwAKDu7r/vk1Au8AmwC2yQ0+rRwRmJRQCglAKK VI90D3fD9wcZq1jorhat4QI= =lwfJ -----END PGP SIGNATURE----- --FCuugMFkClbJLl1L--