Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261663AbVDSVKf (ORCPT ); Tue, 19 Apr 2005 17:10:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261666AbVDSVKf (ORCPT ); Tue, 19 Apr 2005 17:10:35 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:15248 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261663AbVDSVKZ (ORCPT ); Tue, 19 Apr 2005 17:10:25 -0400 Date: Tue, 19 Apr 2005 23:09:58 +0200 From: Pavel Machek To: Thomas Renninger Cc: Tony Lindgren , Frank Sorenson , linux-kernel@vger.kernel.org, Benjamin Herrenschmidt , Arjan van de Ven , Martin Schwidefsky , Andrea Arcangeli , George Anzinger , Thomas Gleixner , john stultz , Zwane Mwaikambo , Lee Revell , ML ACPI-devel , Bodo Bauer , Andi Kleen Subject: Re: [PATCH] Updated: Dynamic Tick version 050408-1 - C-state measures Message-ID: <20050419210958.GE25328@elf.ucw.cz> References: <425451A0.7020000@tuxrocks.com> <20050407082136.GF13475@atomide.com> <4255A7AF.8050802@tuxrocks.com> <4255B247.4080906@tuxrocks.com> <20050408062537.GB4477@atomide.com> <20050408075001.GC4477@atomide.com> <42564584.4080606@tuxrocks.com> <42566C22.4040509@suse.de> <20050408115535.GI4477@atomide.com> <42651C38.6090807@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42651C38.6090807@suse.de> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1468 Lines: 41 Hi! > The machine is a Pentium M 2.00 GHz, supporting C0-C4 processor power states. > The machine run at 2.00 GHz all the time. .. > _passing bm_history=0xFFFFFFFF (default) to processor module:_ > > Average current the last 470 seconds: *1986mA* (also measured better > values ~1800, does battery level play a role?!?) Probably yes. If voltage changes, 2000mA means different ammount of power. > (cmp. ftp://ftp.suse.com/pub/people/trenn/dyn_tick_c_states/measures_C4_machine/1000_HZ_bm_history_FFFFFFFF) > > > _passing bm_history=0xFF to processor module:_ > > Average current the last 190 seconds: *1757mA* > (cmp. ftp://ftp.suse.com/pub/people/trenn/dyn_tick_c_states/measures_C4_machine/1000_HZ_bm_history_FF) > (Usage count could be bogus, as some invokations could not succeed > if bm has currently been active). Ok. > idle_ms == 100, bm_promote_bs == 30 > Average current the last 80 seconds: *1466mA* > (cmp. > ftp://ftp.suse.com/pub/people/trenn/dyn_tick_c_states/measures_C4_machine/tony_dyn_tick_processor_idle_100_bm_30) Very nice indeed. That seems like ~5W saved, right? That might give you one more hour of battery life.... Pavel -- Boycott Kodak -- for their patent abuse against Java. - 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/