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A New Compositional Scheduling Framework for Power-Aware Real-Time Systems

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3 Author(s)
Tchamgoue, G.M. ; Dept. of Inf., Gyeongsang Nat. Univ., Jinju, South Korea ; Kyong Hoon Kim ; Yong-Kee Jun

Advancements in compositional real-time scheduling frameworks have made it feasible to build large and complex real-time systems by composing multiple subsystems also known as components. Different frameworks with different resource models have recently been proposed for a variety of realtime task models. However, these works have focused their analysis on efficient scheduling of components' task set under a given resource model, providing little or no interest on energy consumption, which has become an important issue in many recent real-time embedded applications. In this paper, we propose a new compositional scheduling framework to compose multiple power-aware components. We introduce the power-aware periodic resource model, and the power-aware interface model to abstract the real-time and energy requirements of a component in the system. The schedulability analysis of the framework is provided under both EDF (Earliest Deadline First) and RM (Rate Monotonic) scheduling policies.

Published in:

Embedded and Real-Time Computing Systems and Applications (RTCSA), 2012 IEEE 18th International Conference on

Date of Conference:

19-22 Aug. 2012