Nope guess I didn't - Brian
On Wed, Jul 29, 2009 at 9:53 AM, Paul Saenz<[email protected]> wrote: > I guess you didn't see this email Brian, but Roger is using PowerTop > already. > > I don't know why he thanked me, cause I didn't really have anything to do > with it. > > > >> Date: Mon, 20 Jul 2009 07:12:44 -0700 >> From: [email protected] >> To: [email protected] >> Subject: [LinuxUsers] Powertop >> >> Thanks to Paul and Chris for suggesting Powetop for my Ubuntu laptop. >> Since installing that, things have gone very well. I now get way more >> battery life (like over three hours, though not as good as Windows 7 >> supposedly gets on the same laptop) >> >> For those that don't know, after you install it and run it as root, it >> checks your system to see what resources it might minimize. >> >> http://en.wikipedia.org/wiki/PowerTOP >> >> From wikipedia, >> >> "PowerTOP is a software utility designed to measure, explain and >> minimise a computer's electrical power consumption. It was released by >> Intel in 2007 under the GPLv2 license. It works for both Intel and AMD >> processors. >> >> PowerTOP analyzes the programs, device drivers, and kernel options >> running on a computer based on the Linux and Solaris operating systems, >> and estimates the power consumption resulting from their use. This >> information may be used to pinpoint software that results in excessive >> power use. Many open source and free software programs, such as Mozilla >> Firefox [1][2], have been patched to reduce their power consumption >> since the release of PowerTOP. This is particularly useful for laptop >> computer users who wish to prolong battery life, and data center >> operators, for whom electrical and cooling costs are a major expenditure. >> >> The original focus was on CPU sleep states, and showing the programs or >> drivers responsible for "wakeups" which prevent CPUs entering sleep >> states. A database of known problems automatically provides more user >> friendly "tips" for specific sources of wakeups. However, it also shows >> information on CPU frequency scaling. Over time the database has been >> expanded to include tips on a wide range of power consumption issues. >> >> It is most effective on laptop computers. Laptops are specifically >> designed to allow power use to be both monitored and controlled. In >> particular, many laptop computers can measure the rate of battery use >> (when not connected to mains power). PowerTOP uses this feature to >> estimate power usage in Watts and battery life. This provides immediate >> feedback on changes made e.g. disabling wireless networking when not >> used." >> _______________________________________________ >> LinuxUsers mailing list >> [email protected] >> http://socallinux.org/cgi-bin/mailman/listinfo/linuxusers > > ________________________________ > NEW mobile Hotmail. Optimized for YOUR phone. Click here. > _______________________________________________ > LinuxUsers mailing list > [email protected] > http://socallinux.org/cgi-bin/mailman/listinfo/linuxusers > >
