Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271400AbTHMGvO (ORCPT ); Wed, 13 Aug 2003 02:51:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271401AbTHMGvO (ORCPT ); Wed, 13 Aug 2003 02:51:14 -0400 Received: from mail.gmx.de ([213.165.64.20]:61903 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S271400AbTHMGvL (ORCPT ); Wed, 13 Aug 2003 02:51:11 -0400 Message-Id: <5.2.1.1.2.20030813084949.01a159d8@pop.gmx.net> X-Mailer: QUALCOMM Windows Eudora Version 5.2.1 Date: Wed, 13 Aug 2003 08:55:20 +0200 To: Mike Fedyk From: Mike Galbraith Subject: Re: [PATCH] O13int for interactivity Cc: Nick Piggin , rob@landley.net, Con Kolivas , linux kernel mailing list , Andrew Morton , Ingo Molnar , Felipe Alfaro Solana In-Reply-To: <20030812211137.GH1027@matchmail.com> References: <5.2.1.1.2.20030812112325.01a06cb8@pop.gmx.net> <3F389221.6080202@cyberone.com.au> <200308110248.09399.rob@landley.net> <200308050207.18096.kernel@kolivas.org> <200308052022.01377.kernel@kolivas.org> <3F2F87DA.7040103@cyberone.com.au> <200308110248.09399.rob@landley.net> <5.2.1.1.2.20030812075224.01988de8@pop.gmx.net> <3F389221.6080202@cyberone.com.au> <5.2.1.1.2.20030812112325.01a06cb8@pop.gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 870 Lines: 22 At 02:11 PM 8/12/2003 -0700, Mike Fedyk wrote: >On Tue, Aug 12, 2003 at 11:42:16AM +0200, Mike Galbraith wrote: > > At 05:18 PM 8/12/2003 +1000, Nick Piggin wrote: > > > > >And no, X isn't intentionally sleeping. Its being preempted which is > > >obviously not intentional. > > > > Right. Every time X wakes the gl thread, he'll lose the cpu. Once the gl > > thread passes X in priority, X is pretty much doomed. (hmm... sane [hard] > > backboost will probably prevent that) > >Isn't 2.4 doing exactly that for pipes and such? At a glance, preemption appears to be primarily a matter of timeslice in 2.4. -Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/