"Much of the current documentation focuses on modifying your kernel parameters and hdparm settings to reduce unnecessary disk activity. In addition, extensive documentation is available for changing your processor settings to maximize the benefits of dynamic frequency scaling based on your current power source.
"This article provides tools and code to build on these power-saving measures by monitoring your application-usage patterns. Use the techniques presented here to change your power settings based on the application in focus, user activity, and general system performance"
