IEMEK Journal of Embedded Systems and Applications (대한임베디드공학회논문지)

Institute of Embedded Engineering of Korea (대한임베디드공학회)
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Power-aware Real-time Task Scheduling in Dependable Embedded Systems

신뢰도를 요구하는 임베디드 시스템에서의 저전력 태스크 스케쥴링

  • Kim, Kyong Hoon (Department of Informatics, Gyeong sang National University) ;
  • Kim, Yuna (Department of Computer Science and Engineering, Pohang University of Science and Technology) ;
  • Kim, Jong (Department of Computer Science and Engineering, Pohang University of Science and Technology)
  • 김경훈 (경상대학교 정보과학과) ;
  • 김유나 (포항공과대학교 컴퓨터공학과) ;
  • 김종 (포항공과대학교 컴퓨터공학과)
  • Received : 2008.03.11
  • Accepted : 2008.04.01
  • Published : 2008.03.14
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Abstract

In this paper, we provide an adaptive power-aware checkpointing scheme for fixed priority-based DVS scheduling in dependable real-time systems. In the provided scheme, we analyze the minimum number of tolerable faults of a task and the optimal checkpointing interval in order to meet the deadline and guarantee its specified reliability. The energy-efficient voltage level at a fault arrival is also analyzed and used in the recovery of the faulty task.

Keywords