Date: Mon, 03 Nov 2008 07:23:01 -0500 From: "Alexandre \"Sunny\" Kovalenko" <gaijin.k@gmail.com> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD acpi <freebsd-acpi@freebsd.org>, freebsd-mobile@FreeBSD.org Subject: Re: Is the C3 possible with SMP? Message-ID: <1225714981.1184.7.camel@RabbitsDen> In-Reply-To: <490EC154.9020801@FreeBSD.org> References: <490DF584.5080506@FreeBSD.org> <1225656933.1202.2.camel@RabbitsDen> <490E245C.7070900@FreeBSD.org> <1225664813.1202.5.camel@RabbitsDen> <490E2D19.1030502@FreeBSD.org> <1225670686.1153.8.camel@RabbitsDen> <490EC154.9020801@FreeBSD.org>
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On Mon, 2008-11-03 at 11:16 +0200, Alexander Motin wrote: > Alexandre "Sunny" Kovalenko wrote: > > When laptop is moving around with me, all USB modules are unloaded and I > > I will try to unload USB later today. > > > get about 4 hours of battery life with wireless on, admittedly on the > > light usage (reading/writing E-mails, browsing web, typing up occasional > > document). I consider this good for 4.4lbs (<2kg) laptop. > > I have a bit more then 3 hours at the same weight. Which CPU, video and > chipset do you have? This is CoreDuo T2400 with Intel 945GM video and Atheros 5212 a/b/g wireless part. One other thing, I forgot to mention is: I set hw.pci.do_power_nodriver: 3 I have to be honest: I really do not know how much savings do I get from which settings -- I merely went for most aggressive ones. YMMV. > I have some doubts that C3 on only one of two cores could give much > benefit. You are most likely right -- crude measurement by Kill-A-Watt shows 4% difference which might as well be measurement error. -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)
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