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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.
Interface: Command Line
Associated Programs
cpufrequtils utilities to deal with the cpufreq Linux kernel feature
laptop-mode-tools Tools for Power Savings based on battery/AC status
Available deb Repositories (how-to add a respository)
Debian 32-bit 64-bit
stable 2.6.1-1 2.6.1-1
testing 2.6.1-1+b1 2.6.1-1+b1
sid 2.7-1 2.7-1

Ubuntu 32-bit 64-bit
precise 1.97-2 1.97-2

Rating: Not Rated (0 votes)

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