From owner-freebsd-arch@FreeBSD.ORG Wed Feb 28 08:42:36 2007 Return-Path: X-Original-To: arch@freebsd.org Delivered-To: freebsd-arch@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6875216A401; Wed, 28 Feb 2007 08:42:36 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.freebsd.org (Postfix) with ESMTP id 2921313C461; Wed, 28 Feb 2007 08:42:36 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (critter.freebsd.dk [192.168.48.2]) by phk.freebsd.dk (Postfix) with ESMTP id DD20217462; Wed, 28 Feb 2007 08:42:34 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.8/8.13.8) with ESMTP id l1S8gWKi042794; Wed, 28 Feb 2007 08:42:34 GMT (envelope-from phk@critter.freebsd.dk) To: Nate Lawson From: "Poul-Henning Kamp" In-Reply-To: Your message of "Tue, 27 Feb 2007 14:16:45 PST." <45E4ADCD.4090909@root.org> Date: Wed, 28 Feb 2007 08:42:32 +0000 Message-ID: <42793.1172652152@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: arch@freebsd.org, current@freebsd.org Subject: Re: PATCH - update TSC freq when cpufreq changes it X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Feb 2007 08:42:36 -0000 In message <45E4ADCD.4090909@root.org>, Nate Lawson writes: >Attached is a patch that uses eventhandlers to update the TSC freq. Question: are we at a point where the TSC-frequency reported by ACPI is more precise than our own ad-hoc calibrations ? -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.