From owner-freebsd-current@FreeBSD.ORG Wed Jun 29 17:43:11 2005 Return-Path: X-Original-To: freebsd-current@FreeBSD.org 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 03B7116A41C; Wed, 29 Jun 2005 17:43:11 +0000 (GMT) (envelope-from schweikh@schweikhardt.net) Received: from bremen.shuttle.de (bremen.shuttle.de [194.95.249.251]) by mx1.FreeBSD.org (Postfix) with ESMTP id B338543D1F; Wed, 29 Jun 2005 17:43:10 +0000 (GMT) (envelope-from schweikh@schweikhardt.net) Received: by bremen.shuttle.de (Postfix, from userid 10) id E2CFB3B8BA; Wed, 29 Jun 2005 19:43:08 +0200 (CEST) Received: from hal9000.schweikhardt.net (localhost [127.0.0.1]) by hal9000.schweikhardt.net (8.13.3/8.13.3) with ESMTP id j5THghBB001142; Wed, 29 Jun 2005 19:42:43 +0200 (CEST) (envelope-from schweikh@hal9000.schweikhardt.net) Received: (from schweikh@localhost) by hal9000.schweikhardt.net (8.13.3/8.13.3/Submit) id j5THghxQ001141; Wed, 29 Jun 2005 19:42:43 +0200 (CEST) (envelope-from schweikh) Date: Wed, 29 Jun 2005 19:42:43 +0200 From: Jens Schweikhardt To: John Baldwin Message-ID: <20050629174243.GA762@schweikhardt.net> References: <20050516113420.GA786@schweikhardt.net> <200506271529.22790.jhb@FreeBSD.org> <20050628210749.GA763@schweikhardt.net> <200506281729.22302.jhb@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200506281729.22302.jhb@FreeBSD.org> User-Agent: Mutt/1.5.9i Cc: freebsd-current@FreeBSD.org, phk@FreeBSD.org Subject: Re: Timekeeping hosed by factor 3, high lapic[01] interrupt rates X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jun 2005 17:43:11 -0000 John et al, # Can you get the same ntpdate output for the kernel without the patch? Sure; boot with kern.smp.disabled=1. Script started on Wed Jun 29 19:33:39 2005 # /etc/rc.d/ntpd stop Stopping ntpd. # ntpdate 192.53.103.103; sleep 10; ntpdate 192.53.103.103 29 Jun 19:34:10 ntpdate[602]: adjust time server 192.53.103.103 offset -0.393914 sec 29 Jun 19:34:21 ntpdate[604]: adjust time server 192.53.103.103 offset -0.391510 sec # sysctl kern.timecounter.hardware=i8254 kern.timecounter.hardware: TSC -> i8254 # ntpdate 192.53.103.103; sleep 10; ntpdate 192.53.103.103 29 Jun 19:35:09 ntpdate[616]: step time server 192.53.103.103 offset 7.003573 sec 29 Jun 19:36:02 ntpdate[618]: step time server 192.53.103.103 offset 42.615163 sec # sysctl kern.timecounter.hardware=TSC kern.timecounter.hardware: i8254 -> TSC # ntpdate 192.53.103.103; sleep 10; ntpdate 192.53.103.103 29 Jun 19:36:21 ntpdate[620]: step time server 192.53.103.103 offset 9.605683 sec 29 Jun 19:36:31 ntpdate[622]: adjust time server 192.53.103.103 offset 0.002316 sec Script done on Wed Jun 29 19:36:53 2005 Regards, Jens -- Jens Schweikhardt http://www.schweikhardt.net/ SIGSIG -- signature too long (core dumped)