Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932075AbWIVTJn (ORCPT ); Fri, 22 Sep 2006 15:09:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932165AbWIVTJn (ORCPT ); Fri, 22 Sep 2006 15:09:43 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:37064 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S932075AbWIVTJm (ORCPT ); Fri, 22 Sep 2006 15:09:42 -0400 Date: Fri, 22 Sep 2006 21:01:06 +0200 From: Ingo Molnar To: Pavel Machek Cc: Andrew Morton , linux-kernel@vger.kernel.org, Thomas Gleixner , John Stultz , Arjan van de Ven Subject: Re: 2.6.19 -mm merge plans Message-ID: <20060922190106.GA32638@elte.hu> References: <20060920135438.d7dd362b.akpm@osdl.org> <20060921131433.GA4182@elte.hu> <20060922130648.GD4055@ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060922130648.GD4055@ucw.cz> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -2.9 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.9 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.5 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.4996] -0.1 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1031 Lines: 24 * Pavel Machek wrote: > > would be nice to merge the -hrt queue that goes right ontop this > > queue. Even if HIGH_RES_TIMERS is "default n" in the beginning. That > > gives us high-res timers and dynticks which are both very important > > features to certain classes of users/devices. > > dynticks give benefit of 0.3W, or 20minutes (IIRC) from 8hours on > thinkpad x60... and they were around for way too long. (When baseline > is hz=250, it is 0.5W from hz=1000 baseline). It would be cool to > finally merge them. note that this is a new implementation of dynticks though, not Con's older stuff which you probably used, right? But it's fairly low-impact (just a few lines ontop of hrtimers, here and there), ontop of the long-existing -hrt queue. Ingo - 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/