From owner-freebsd-stable@FreeBSD.ORG Wed Jan 30 15:49:53 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4E59B16A420 for ; Wed, 30 Jan 2008 15:49:53 +0000 (UTC) (envelope-from stefan.lambrev@moneybookers.com) Received: from blah.sun-fish.com (blah.sun-fish.com [217.18.249.150]) by mx1.freebsd.org (Postfix) with ESMTP id 0A13913C457 for ; Wed, 30 Jan 2008 15:49:52 +0000 (UTC) (envelope-from stefan.lambrev@moneybookers.com) Received: by blah.sun-fish.com (Postfix, from userid 1002) id A01441B10F13; Wed, 30 Jan 2008 16:49:51 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on blah.cmotd.com X-Spam-Level: X-Spam-Status: No, score=-10.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, J_CHICKENPOX_42 autolearn=no version=3.2.3 Received: from hater.haters.org (hater.cmotd.com [192.168.3.125]) by blah.sun-fish.com (Postfix) with ESMTP id 342F81B10EFE; Wed, 30 Jan 2008 16:49:41 +0100 (CET) Message-ID: <47A09C95.8010707@moneybookers.com> Date: Wed, 30 Jan 2008 17:49:41 +0200 From: Stefan Lambrev User-Agent: Thunderbird 2.0.0.9 (X11/20071120) MIME-Version: 1.0 To: Dominic Fandrey References: <47A073C2.1060209@moneybookers.com> <20080130140711.GA19047@epia-2.farid-hajji.net> <47A09C24.5080106@gmx.de> In-Reply-To: <47A09C24.5080106@gmx.de> Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.91.2/5608/Wed Jan 30 14:35:33 2008 on blah.cmotd.com X-Virus-Status: Clean Cc: FreeBSD Stable , cpghost Subject: Re: option HZ=? 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: Wed, 30 Jan 2008 15:49:53 -0000 Greetings, Dominic Fandrey wrote: > cpghost wrote: > >> On Wed, Jan 30, 2008 at 02:55:30PM +0200, Stefan Lambrev wrote: >> >>> Greetings, >>> >>> I want to know what is the bad effect of increasing HZ too much? >>> And when is too much? What problems can I expect when HZ>2000? >>> Can I change this value without pre-compiling the kernel? >>> >> You can change HZ by adding a line to /boot/loader.conf like this: >> >> kern.hz="100" >> > > Is there a way to see which value is in effect? > > # sysctl kern.hz > sysctl: unknown oid 'kern.hz' > > sysctl kern.clockrate will report this, and few other things. -- Best Wishes, Stefan Lambrev ICQ# 24134177