From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756105AbXICSh5 (ORCPT ); Mon, 3 Sep 2007 14:37:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753192AbXICShu (ORCPT ); Mon, 3 Sep 2007 14:37:50 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:3964 "EHLO scrub.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752502AbXICSht (ORCPT ); Mon, 3 Sep 2007 14:37:49 -0400 Date: Mon, 3 Sep 2007 20:38:21 +0200 (CEST) From: Roman Zippel X-X-Sender: roman@scrub.home To: Ingo Molnar cc: linux-kernel@vger.kernel.org, peterz@infradead.org, Mike Galbraith Subject: Re: [ANNOUNCE/RFC] Really Simple Really Fair Scheduler In-Reply-To: <20070902120154.GA23769@elte.hu> Message-ID: References: <20070902120154.GA23769@elte.hu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Sun, 2 Sep 2007, Ingo Molnar wrote: > Roman, as an addendum to my review, please find below a prototype patch > i've just written that implements RSRFS (Really Simple Really Fair > Scheduler) ontop of CFS. It is intended to demonstrate the essence of > the math you have presented via your patch. (it has no nice levels > support yet, to make the math really apparent to everyone interested) It simplifies the math too much, the nice level weighting is an essential part of the math and without it one can't really understand the problem I'm trying to solve. At http://lkml.org/lkml/2007/9/3/168 I provide an example of the math, which more acurately demonstrates the essential math. bye, Roman