Title :
An effective feedback-driven approach for energy saving in battery powered systems
Author :
Le, Duy ; Wang, Haining
Author_Institution :
Dept. of Comput. Sci., Coll. of William & Mary, Williamsburg, VA, USA
Abstract :
Energy efficiency is essential to battery-powered (BP) mobile systems. However, existing energy efficiency techniques suffer from imbalance between system performance and power consumption. This paper presents a Feedback QoS based Model, called FQM, to successfully achieve power reduction without performance degradation. By observing system behavior via control variables, FQM applies pre-estimated policies to monitor and schedule I/O activities. We implement a prototype of FQM under Linux kernel and evaluate its effectiveness with different applications in terms of power consumption, QoS, and performance. Our experimental results show that FQM can effectively save energy while maintaining high QoS stability.
Keywords :
Unix; battery management systems; power aware computing; power consumption; quality of service; Linux kernel; battery powered mobile systems; energy efficiency; energy saving; feedback QoS; feedback driven approach; power consumption; Batteries; Control systems; Degradation; Energy consumption; Energy efficiency; Feedback; Monitoring; Power system modeling; Prototypes; System performance; Energy; Feedback Control; QoS;
Conference_Titel :
Quality of Service (IWQoS), 2010 18th International Workshop on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-5987-2
DOI :
10.1109/IWQoS.2010.5542738
