From owner-freebsd-current Fri Jan 31 12: 5:27 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F20B537B405 for ; Fri, 31 Jan 2003 12:05:24 -0800 (PST) Received: from mail.speakeasy.net (mail11.speakeasy.net [216.254.0.211]) by mx1.FreeBSD.org (Postfix) with ESMTP id 762DD43E4A for ; Fri, 31 Jan 2003 12:05:24 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 16867 invoked from network); 31 Jan 2003 20:05:30 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail11.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 31 Jan 2003 20:05:30 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id h0VK5MUT072752; Fri, 31 Jan 2003 15:05:22 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20030131185929.GA8052@leafy.idv.tw> Date: Fri, 31 Jan 2003 15:05:28 -0500 (EST) From: John Baldwin To: leafy Subject: Re: Hyperthreading and machdep.cpu_idle_hlt Cc: freebsd-current@FreeBSD.ORG Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 31-Jan-2003 leafy wrote: > On Fri, Jan 31, 2003 at 01:45:56PM -0500, Trish Lynch wrote: >> I have the .dat's for you, unfortunately, the output is different, so >> you'll have to modify the .cfg for gnuplot :) >> >> -Trish > I have HTT for my CPU, is there any "hack" to the BIOS to enable HyperThreading? Having HTT does _not_ mean you actually have multiple cores in your physical CPU. You will see a separate line in your dmesg giving the number of cores per CPU if you do. The BIOS really has nothing to do with this, it all comes from registers returned from the CPUID instruction. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message