From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268694AbTGIWoM (ORCPT ); Wed, 9 Jul 2003 18:44:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268695AbTGIWoL (ORCPT ); Wed, 9 Jul 2003 18:44:11 -0400 Received: from mail-in-01.arcor-online.net ([151.189.21.41]:17371 "EHLO mail-in-01.arcor-online.net") by vger.kernel.org with ESMTP id S268694AbTGIWoH (ORCPT ); Wed, 9 Jul 2003 18:44:07 -0400 From: Daniel Phillips To: Jamie Lokier Subject: Re: 2.5.74-mm1 Date: Thu, 10 Jul 2003 00:59:57 +0200 User-Agent: KMail/1.5.2 Cc: Davide Libenzi , Mel Gorman , Andrew Morton , Linux Kernel Mailing List , Linux Memory Management List References: <20030703023714.55d13934.akpm@osdl.org> <200307082027.13857.phillips@arcor.de> <20030709222426.GA24923@mail.jlokier.co.uk> In-Reply-To: <20030709222426.GA24923@mail.jlokier.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200307100059.57398.phillips@arcor.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 10 July 2003 00:24, Jamie Lokier wrote: > Daniel Phillips wrote: > > We've got something better than we've had before, even though it doesn't > > go as far as making true realtime processing available to normal users. > > Indeed. But maybe true (bounded CPU) realtime, reliable, would more > accurately reflect what the user actually wants for some apps? No doubt about it. Other OSes have it: http://www.chemie.fu-berlin.de/cgi-bin/man/sgi_irix?realtime+5 Hopefully in the next cycle, we will too. I like your idea of allowing normal users to set SCHED_RR, but automatically placing some bound on cpu usage. It's guaranteed not to break any existing programs. Regards, Daniel