From owner-freebsd-current@FreeBSD.ORG Tue Apr 8 04:17:19 2003 Return-Path: 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 446DE37B401 for ; Tue, 8 Apr 2003 04:17:19 -0700 (PDT) Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id 42B6D43F85 for ; Tue, 8 Apr 2003 04:17:18 -0700 (PDT) (envelope-from des@ofug.org) Received: by flood.ping.uio.no (Postfix, from userid 2602) id 014A45308; Tue, 8 Apr 2003 13:17:15 +0200 (CEST) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: Alex.Wilkinson@dsto.defence.gov.au From: Dag-Erling Smorgrav Date: Tue, 08 Apr 2003 13:17:15 +0200 In-Reply-To: <20030408161241.S70285@squirm.dsto.defence.gov.au> ("Wilkinson,Alex"'s message of "Tue, 8 Apr 2003 16:16:43 +0930 (CST)") Message-ID: User-Agent: Gnus/5.090015 (Oort Gnus v0.15) Emacs/21.2 References: <20030407143118.V1049@squirm.dsto.defence.gov.au> <20030408161241.S70285@squirm.dsto.defence.gov.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: current@freebsd.org Subject: Re: SCHED_ULE question X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 08 Apr 2003 11:17:19 -0000 "Wilkinson,Alex" writes: > Cool, thanks for that, but what's the diff between: > > #sysctl kern.quantum > kern.quantum: 100000 > > AND > > #sysctl kern.quntum > sysctl: unknown oid 'kern.quntum' > > What is meant to 'quantum' ? It's the maximum number of ticks a process can run without being preempted. It's specific to the 4BSD scheduler, so you can use its presence (or absence) to determine which scheduler is in use. DES -- Dag-Erling Smorgrav - des@ofug.org