Research on the Dynamic Power Management of Embedded Operating Systems

Fueled by the development of embedded and wireless network technology, mobile devices are becoming increasingly popular, and extending battery lifetime is an important issue. As the control program and resource allocator of a computer system, the operating system is a good place to implement power management functionality. Different hardware platforms provide diverse power-saving functions in an embedded environment. However, due to the lack of a common standard, it is inefficient and difficult to build an energy-aware embedded operating system. Developing a mechanism to assist the deployment of an operating system directed power management is important for the embedded systems industry. In this project, we want to design and implementation a dynamic power management framework in embedded Linux kernel. With our framework, developers can construct an energy-aware operating system quickly and easily. Besides processor based dynamic power management provided by traditional approach, we hope our system can accommodate power-saving control of peripheral devices and avoid the contradiction due to the diverse power-saving requirements of different tasks.

Project ID:PB10007-2286
External Project ID:NSC100-2221-E182-046