How to optimize CPU speed and laptop power on Ubuntu – Install auto-cpufreq on Ubuntu
Auto-cpufreq is a free and open source automatic CPU speed and your laptop power optimizer software for Linux. Using this you can you can improve you laptop battery life easily. It monitors your system CPU frequency and temperatures, battery state and system load to keep your system at good state. Its one of the the important feature is automatic CPU & power optimization in temporary and persistent mode. It also support CPU frequency scaling, governor and turbo boost management features. It is based on python and released under LGPL-3.0 License.
