From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 5 Nov 2002 16:27:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 5 Nov 2002 16:27:33 -0500 Received: from rwcrmhc51.attbi.com ([204.127.198.38]:5074 "EHLO rwcrmhc51.attbi.com") by vger.kernel.org with ESMTP id ; Tue, 5 Nov 2002 16:27:31 -0500 Message-ID: <3DC8379E.20F9EA33@attbi.com> Date: Tue, 05 Nov 2002 16:26:54 -0500 From: Jim Houston Reply-To: jim.houston@attbi.com X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.5.45 i686) X-Accept-Language: en MIME-Version: 1.0 To: Rik van Riel CC: Kernel Mailing List Subject: Re: [PATCH] O(1) CPU time accounting References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Rik van Riel wrote: > > Hi Jim, > > this incremental patch (over your O(1) CPU time patch) makes > nice levels work again, though they are fairly steep now: > > This might be a decent basis for an O(1) per-user fair > scheduler, after some more balancing and cleaning up of > excess code. Hi Rik, Your changes look reasonable. I will give them a try. I'm hoping to get back to playing with scheduler fairness patchs soon. I made the mistake of starting a re-write of Posix timers so it may be a few more days. If anyone else is trying to follow this my patch is archive here: http://marc.theaimsgroup.com/?l=linux-kernel&m=103508412423719&w=2 Jim Houston - Concurrent Computer Corp.