Install PowerTOP 2.1 In Ubuntu 12.04 Precise Pangolin Via PPA

PowerTOP is a command line tool that helps diagnose issues with power consumption and provides suggestions on how to improve power usage.PowerTOP 2.1, released a few days ago, introduces support for Intel GPUs and for cores without P-states, a new manual page along with an option to specify workload to run during measurement and an option to suppress output to the terminal.Install PowerTOP 2.1 in Ubuntu 12.04 via PPAThe latest PowerTOP 2.1 is available in the Ubuntu 12.10 official repositories, and for Ubuntu 12.04 in the main WebUpd8 PPA. Add the PPA and install PowerTOP 2.1 using the following commands:sudo add-apt-repository ppa:nilarimogard/webupd8sudo apt-get updatesudo apt-get install powertopThe latest PowerTOP 2.1 source can be downloaded from HERE.UsageTo use PowerTOP, you need to run it as root:sudo powertopPowerTOP doesn’t just diagnose power consumption issues, but it can also provide solutions. On the Tunables tab, you can see what you can do to save some power:However, most of the settings are not saved and they are lost after a reboot. You, can, however, make them permanent, by using the commands provided in the PowerTOP html report. To generate an HTML report, run the following command:sudo powertop –html=powertop.htmlThis will generate an HTML page which

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