From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752475AbXCDUha (ORCPT ); Sun, 4 Mar 2007 15:37:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752476AbXCDUha (ORCPT ); Sun, 4 Mar 2007 15:37:30 -0500 Received: from [212.33.180.85] ([212.33.180.85]:32935 "EHLO raad.intranet" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752475AbXCDUh3 (ORCPT ); Sun, 4 Mar 2007 15:37:29 -0500 X-Greylist: delayed 311 seconds by postgrey-1.27 at vger.kernel.org; Sun, 04 Mar 2007 15:37:28 EST From: Al Boldi To: linux-kernel@vger.kernel.org Subject: Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu scheduler Date: Sun, 4 Mar 2007 23:35:26 +0300 User-Agent: KMail/1.5 MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200703042335.26785.a1426z@gawab.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Con Kolivas wrote: > > >> >> >This message is to announce the first general public release of > > >> >> > the "Rotating Staircase DeadLine" cpu scheduler. Thanks a lot! > Just to make it clear. The purpose of this scheduler is at all costs to > maintain absolute fairness no matter what type of load it is put under. Great! > This means that if you heavily load up your machine without the use of > 'nice' then your interactive tasks _will_ slow down proportionately to the > amount of cpu you use. So doing make -j4 for example will make any other > task started in taht presence run precisely 1/5th speed, but they will > still be responsive, have low latency (and audio shouldn't skip for > example). That's just what it did, but when you "nice make -j4", things (gears) start to stutter. Is that due to the staircase? Thanks! -- Al