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A survey of schedulability analysis techniques for rate-dependent tasks

Abstract : In automotive embedded real-time systems, such as the engine control unit, there are tasks that are activated whenever the crankshaftarrives at a specific angular position. As a consequence the frequency of activation changes with the crankshaft’s angular speed(i.e., engine rpm). Additionally, execution times and deadlines may also depend on angular speeds and positions. This paperprovides a survey on schedulability analysis techniques for tasks with this rate-dependent behaviour. It covers different task-modelsand analysis methods for both fixed priority and earliest deadline first scheduling. A taxonomy of the different analysis methods,classifying them according to the assumptions made and the precision of the analysis, is provided at the end of the paper.
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Submitted on : Thursday, January 30, 2020 - 10:16:51 PM
Last modification on : Wednesday, June 8, 2022 - 12:50:07 PM

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Timo Feld, Alessandro Biondi, Robert Davis, Giorgio Buttazzo, Frank Slomka. A survey of schedulability analysis techniques for rate-dependent tasks. Journal of Systems and Software, Elsevier, 2018, 138, pp.100-107. ⟨10.1016/j.jss.2017.12.033⟩. ⟨hal-02461796⟩



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