Re: Is the C3 possible with SMP?
"Alexandre \"Sunny\" Kovalenko" <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile,gmane.os.freebsd.devel.acpi |
|---|---|
| Message-ID | <1225714981.1184.7.camel@RabbitsDen> |
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) _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"