From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754463Ab0JUIkF (ORCPT ); Thu, 21 Oct 2010 04:40:05 -0400 Received: from mailout-de.gmx.net ([213.165.64.22]:45092 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1754261Ab0JUIkD (ORCPT ); Thu, 21 Oct 2010 04:40:03 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX191O68KdNR1oz1tDxOVGhHI7JorvZUAfrS1+TzYKT xkVFQ7P1NP5gLy Subject: Re: [RFC/RFT PATCH] sched: automated per tty task groups From: Mike Galbraith To: Ingo Molnar Cc: Linus Torvalds , LKML , Peter Zijlstra , Mathieu Desnoyers , Markus Trippelsdorf In-Reply-To: <20101021083101.GE8775@elte.hu> References: <1287479765.9920.9.camel@marge.simson.net> <1287487757.24189.40.camel@marge.simson.net> <1287511983.7417.45.camel@marge.simson.net> <1287514410.7368.10.camel@marge.simson.net> <20101020025652.GB26822@elte.hu> <1287648715.9021.20.camel@marge.simson.net> <20101021083101.GE8775@elte.hu> Content-Type: text/plain Date: Thu, 21 Oct 2010 10:39:58 +0200 Message-Id: <1287650399.9021.33.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2010-10-21 at 10:31 +0200, Ingo Molnar wrote: > Btw., how does Xorg fare with this? Can we remove sleeper fairness for example and > simplify other bits of the CFS logic as a side-effect? Works a treat for me. As I write this in evolution, I have amarok playing with a visualization and a make -j100 running. Song switch is instant, visualization is nice and smooth despite unaccelerated Xorg. We can't whack fair sleepers though, not without inventing a new preemption model to take it's place. -Mike