From owner-freebsd-arch@FreeBSD.ORG Thu Nov 4 14:24:33 2004 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BBC9B16A4CE for ; Thu, 4 Nov 2004 14:24:33 +0000 (GMT) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6A4ED43D49 for ; Thu, 4 Nov 2004 14:24:33 +0000 (GMT) (envelope-from scottl@freebsd.org) Received: from [192.168.254.11] (junior-wifi.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.12.11/8.12.10) with ESMTP id iA4EQSHX025678; Thu, 4 Nov 2004 07:26:28 -0700 (MST) (envelope-from scottl@freebsd.org) Message-ID: <418A3BE3.8080807@freebsd.org> Date: Thu, 04 Nov 2004 07:25:39 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20040929 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Poul-Henning Kamp References: <39210.1099557885@critter.freebsd.dk> In-Reply-To: <39210.1099557885@critter.freebsd.dk> X-Enigmail-Version: 0.86.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=3.8 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on pooker.samsco.org cc: arch@freebsd.org Subject: Re: HEADSUP: HZ=1000 by default on i386 X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Nov 2004 14:24:33 -0000 Poul-Henning Kamp wrote: > We increasingly need better granularity in our sleep/wakeup calls and > things like device polling and trafic shaping needs higher granularity > in particular. > > So pending any really good arguments to the contrary I plan to increase > HZ to 1000 on i386 this weekend. > > You can still define any HZ value you like in your kernel config file > or even set it from the loader. > Sounds like a good plan. Scott