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powertop

Tool that helps you find what software is using the most power

powertop is a Linux tool that finds the software component(s) that make your laptop use more power than necessary while it is idle. As of Linux kernel version 2.6.21, the kernel no longer has a fixed 1000Hz timer tick. This will (in theory) give a huge power savings because the CPU stays in low power mode for longer periods of time during system idle.

However... there are many things that can ruin the party, both inside the kernel and in userspace. PowerTOP combines various sources of information from the kernel into one convenient screen so that you can see how well your system is doing, and which components are the biggest problem.

Homepage:
Package version:1.8
Architecture:i386
Distribution:Dag
Filename:powertop-1.8-1.el4.rf.i386.rpm

/usr/share/doc/powertop-1.8/README

What's eating the battery life of my laptop? Why isn't it many more
hours? Which software component causes the most power to be burned?
These are important questions without a good answer... until now.

The Linux 2.6.21 kernel introduces the so called tickless-idle
feature. This feature allows the processor to be really idle for long
periods of time, rather than having to wake up every millisecond
more»

/usr/share/man/man1/powertop.1.gz

POWERTOP(1)                                              POWERTOP(1)



NAME
       powertop  -  program  to  analyze power consumption on Intel-
       based laptops

SYNOPSIS
       powertop

DESCRIPTION
       This manual page documents briefly the powertop commands.

       powertop is a program that shows  the  power  consumption  on
       Intel-based  laptops  and  makes suggestions on how 
more»

/usr/share/doc/powertop-1.8/Changelog

1.8 --
	* add suggestion to increase VM writeback timeout
	* add suggestion to enable INOTIFY in the kernel
	* fix socket fd leak, found by Nikerabbit on #powertop
	* Add support for deferrable timers (Scott Lamb)
	* Add active hint to enable USB autosuspend on Fedora 7
 	* Show blue color if the cpu is 25% or more busy to indicate
	  that idle wakeups no longer is the nr 1 power causer
	  (Santia
more»

/usr/share/doc/powertop-1.8/COPYING

		    GNU GENERAL PUBLIC LICENSE
		       Version 2, June 1991

 Copyright (C) 1989, 1991 Free Softw
more»

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