From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271242AbTHHGFw (ORCPT ); Fri, 8 Aug 2003 02:05:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271244AbTHHGFw (ORCPT ); Fri, 8 Aug 2003 02:05:52 -0400 Received: from mail-in-03.arcor-online.net ([151.189.21.43]:31385 "EHLO mail-in-03.arcor-online.net") by vger.kernel.org with ESMTP id S271242AbTHHGFu (ORCPT ); Fri, 8 Aug 2003 02:05:50 -0400 From: Daniel Phillips To: rob@landley.net, Ed Sweetman , Eugene Teo Subject: Re: Ingo Molnar and Con Kolivas 2.6 scheduler patches Date: Fri, 8 Aug 2003 07:08:37 +0100 User-Agent: KMail/1.5.3 Cc: LKML , kernel@kolivas.org, Davide Libenzi References: <1059211833.576.13.camel@teapot.felipe-alfaro.com> <200308071642.55517.phillips@arcor.de> <200308071651.07522.rob@landley.net> In-Reply-To: <200308071651.07522.rob@landley.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200308080708.37966.phillips@arcor.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 07 August 2003 21:51, Rob Landley wrote: > Uh-huh. > > So with SCHED_SOFTRR, if the system gets heavily loaded enough later on > then the SOFTRR tasks can get demoted and start skipping. No. A SOFTRR task only becomes SCHED_NORMAL if the total load of *realtime* tasks exceeds a threshold. > I fail to see how this is an improvement on Con's "carpet bomb the problem > with heuristics out the wazoo" approach? ... (I like heuristcs. They're > like Duct Tape. I like Duct Tape.) Danger, danger! Man with duct tape loose in kernel! Seal off the bulwarks and flood the lower compartments! Regards, Daniel