A Dynamic Frequency Governor for Operating System Based on Performance-Energy Tradeoff Model

  • Yilu Mao
  • Xianglan Chen
  • Xiaodan Wu
  • Hao Wu
  • Yuchang Gong
Chapter
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 126)

Abstract

To solve the more and more serious power and energy problem in computer science field, most researchers working on system software focus on real-time operating system, but the work of this paper is aimed at the commodity, sharingtime operating system. Analyzing the relationship among performance, frequency and memory accessing density, as well as the relationship between frequency and energy, a Performance-Energy Tradeoff Model, named T-model, is presented in this paper. Using T-model, we can get the Best Low-energy Frequency, counting the cost of some performance loss, conveniently. Then TDFG (T-model based Dynamic Frequency Governor) is proposed. Experimental results validated the correctness and efficiency of T-model and TDFG.

Keywords

Energy Consumption Power Consumption Execution Time Performance Loss Frequency Pair 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Yilu Mao
    • 1
  • Xianglan Chen
    • 1
  • Xiaodan Wu
    • 1
  • Hao Wu
    • 1
  • Yuchang Gong
    • 1
  1. 1.Embedded System Lab, School of Computer Science and TechnologyUniversity of Science and Technology of ChinaHefeiChina

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