On-Line and Off-Line DVS for Fixed Priority with Preemption Threshold Scheduling

Authors:
Liu Yang;Lin Man
Affiliations:
-;-
Venue:
ICESS '09 Proceedings of the 2009 International Conference on Embedded Software and Systems
Year:
2009

Citing 0
Cited 2

Multi-core fixed priority DVS scheduling

ICA3PP'12 Proceedings of the 12th international conference on Algorithms and Architectures for Parallel Processing - Volume Part I
Energy-aware preemptive scheduling algorithm for sporadic tasks on DVS platform

Microprocessors & Microsystems

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Abstract

Along with the prevailing of mobile devices, the demand for efficient power consumption has become one of the major issues in designing embedded system. Dynamic Voltage Scaling (DVS) is a technique that can reduce energy consumption by changing the processor voltage levels dynamically. Fixed Priority with Preemption Threshold (FPPT) scheduling is a scheduling policy that includes preemptive and non-preemptive aspect of scheduling policy. In this paper, an efficient universal fixed priority DVS algorithm (FPPT-DVS) will be presented. This algorithm has the advantage of both Fixed Priority Preemptive (FPP) DVS scheduling and Fixed Priority Non-Preemptive (FPNP) DVS scheduling. FPPT-DVS algorithm also combines the on-line DVS and off-line DVS together. Experimental results show that the proposed FPPT-DVS algorithm can save up to 20% energy over the existing DVS algorithms.