Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment
Journal of the ACM (JACM)
Efficient On-Line Schedulability Tests for Priority Driven Real-Time Systems
RTAS '00 Proceedings of the Sixth IEEE Real Time Technology and Applications Symposium (RTAS 2000)
The Space of Rate Monotonic Schedulability
RTSS '02 Proceedings of the 23rd IEEE Real-Time Systems Symposium
A Hyperbolic Bound for the Rate Monotonic Algorithm
ECRTS '01 Proceedings of the 13th Euromicro Conference on Real-Time Systems
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Rate monotonic analysis (RMA) has been shown to be effective in the schedulability analysis of various types of system. This paper focuses on reducing the run time of each RMA-tested system. Based on a new concept of tasks, denoted by the lift-utilization tasks, we propose a novel method to reduce the number of iterative calculations in the derivation of the worst-case response time of each task in its RMA test. The capability of the proposed method was evaluated and compared to related work, which revealed that our method produced savings of 26-33% in the number of RMA iterations.