Exact Schedulability Analysis for Static-Priority Global Multiprocessor Scheduling Using Model-Checking

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Provided by: Northeastern University
Topic: Hardware
Format: PDF
To determine schedulability of priority-driven periodic tasksets on multi-processor systems, it is necessary to rely on utilization bound tests that are safe but pessimistic, since there is no known method for exact schedulability analysis for multi-processor systems analogous to the response time analysis algorithm for single-processor systems. In this paper, the authors use model-checking to provide a technique for exact multiprocessor scheduability analysis by modeling the real-time multi-tasking system with Timed Automata (TA), and transforming the schedulability analysis problem into the reachability checking problem of the TA model.
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