Date: Tue, 17 Aug 2004 08:14:34 +0200 From: sebastian ssmoller <sebastian.ssmoller@gmx.net> To: freebsd-mobile@freebsd.org Subject: Re: Enhanced SpeedStep driver available Message-ID: <20040817081434.4a891341.sebastian.ssmoller@gmx.net> In-Reply-To: <6.1.0.6.1.20040816074348.03f99338@popserver.sfu.ca> References: <6.1.0.6.1.20040816074348.03f99338@popserver.sfu.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
hi, works fine here (asus m2400n). i played around a bit with est.ko and estctrl and it looks really promising ... great work - thx so there is no need to use hw.acpi.cpu.throttle_state anylonger - at least for Pentium M - right? regards, seb On Mon, 16 Aug 2004 08:06:30 -0700 Colin Percival <colin.percival@wadham.ox.ac.uk> wrote: > Thanks to everyone who has been sending me data about their > processors (and in particular, the 90nm versions), I now have > a first draft of a Enhanced SpeedStep driver available. For > people with the appropriate processors (Pentium M only), this > makes it possible to adjust the cpu frequency via a new sysctl > (hw.est_curfreq), and have the cpu voltage adjusted at the > same time. > I've also put together a very simple control daemon which > reads kern.cp_time every second and adjusts the cpu frequency > based on the fraction of cpu time which is idle. This increases > my laptop's battery life by around 40%. > All the code is online at > http://www.daemonology.net/freebsd-est/ > Assuming I don't hear any major bug reports in the next few > days, I'll package these into ports and hopefully get them into > the ports tree in time for 5.3-RELEASE. > > Colin Percival > > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to > "freebsd-mobile-unsubscribe@freebsd.org" > -- "Perfection is achieved, not when there is nothing left to add, but when there is nothing left to take away." --- Antoine de St. Exupery, Wind, Sand, and Stars, 1939
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040817081434.4a891341.sebastian.ssmoller>