From owner-freebsd-stable@FreeBSD.ORG Mon Nov 28 23:14:26 2005 Return-Path: X-Original-To: stable@freebsd.org 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 7338616A429 for ; Mon, 28 Nov 2005 23:14:26 +0000 (GMT) (envelope-from swhetzel@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.194]) by mx1.FreeBSD.org (Postfix) with ESMTP id 60B1843D5E for ; Mon, 28 Nov 2005 23:14:25 +0000 (GMT) (envelope-from swhetzel@gmail.com) Received: by xproxy.gmail.com with SMTP id s9so2216705wxc for ; Mon, 28 Nov 2005 15:14:24 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=SR1HqPP0ejfQaonWSlSxedJ+gAAZO9YqhQt9sDFSZPE5k8167xiCdKwbtppMOIAFoph7bPii/mFvn1rXqAkuwuk6QbWP49Gc4KXXYGB6D/BUgxsziZhCQbjq/BXs0ftvuynnwAqwnW1HVVsUP6YAY5oSyrCB+r4RtS5qGvqjbaA= Received: by 10.70.31.16 with SMTP id e16mr534414wxe; Mon, 28 Nov 2005 15:14:24 -0800 (PST) Received: by 10.70.31.5 with HTTP; Mon, 28 Nov 2005 15:14:24 -0800 (PST) Message-ID: <790a9fff0511281514ra5519acq617964fac1d1f9e4@mail.gmail.com> Date: Mon, 28 Nov 2005 17:14:24 -0600 From: Scot Hetzel To: =?ISO-8859-1?Q?Eirik_=D8verby?= In-Reply-To: <9720F96D-A0F7-4639-8852-63A0F2C1FCDE@anduin.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <93F6B911-8C64-4F5C-81F9-80EC271ED298@anduin.net> <84dead720511280545v2bc0bc35jd107da06b9a788cb@mail.gmail.com> <20187843-76FC-4EAB-AFF8-7493FB0C0077@anduin.net> <84dead720511280654j138635abgcb9cc0978e6c26b7@mail.gmail.com> <02757598-222D-408E-8B33-C2EE1E6E426E@anduin.net> <20051128211440.GB28963@xor.obsecurity.org> <3A601A32-94D1-49F6-AB06-ED54D50D4B6A@anduin.net> <9720F96D-A0F7-4639-8852-63A0F2C1FCDE@anduin.net> Cc: stable@freebsd.org, Joseph Koshy , Kris Kennaway Subject: Re: Reduced java/tomcat performance 6-beta3 -> 6-stable ? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 28 Nov 2005 23:14:26 -0000 On 11/28/05, Eirik =D8verby wrote: > Update: The diff below was made after making sure both systems are > running the exact same kernel. Behavior is the same. Building new > kernels (6-STABLE) now to get out of the BETA stage. > > /Eirik > > On Nov 28, 2005, at 22:53 , Eirik =D8verby wrote: > > > Firmware versions are equal. BIOS settings are equal. > > However, a diff of the dmesgs show (apart from MAC address > > differences): > > > > 30c30 > > < Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000 > > --- > > > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 > > > > What on earth is that all about? The "slow" box has the ACPI-fast > > timecounter... > > use sysctl to find out what time counters are available on the slow box: sysctl kern.timecounter : kern.timecounter.hardware: ACPI-fast kern.timecounter.choice: TSC(800) ACPI-fast(1000) i8254(0) dummy(-1000000) : Then try setting the Timecounter on the slow box to ACPI-safe (if available) by using sysctl sysctl kern.timecounter.hardware=3DACPI-safe If this fixes the problem, then add the following to /etc/sysctl.conf: kern.timecounter.hardware=3DACPI-safe Scot -- DISCLAIMER: No electrons were mamed while sending this message. Only slightly bruised.