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Effective Scheduling of Strict Periodic Task Sets with Given Permissible Periods in RTOS

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Perspectives of System Informatics (PSI 2019)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 11964))

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Abstract

In the paper, we suggest new approach to schedulability problem for strict periodic tasks (a periodic task is strict if it must be started in equal intervals of time – task’s period). Given permissible tasks’ periods, our approach allows to obtain quickly all schedulable sets of tasks with such periods and to build immediately a conflict-free schedule for each obtained set. The approach is based on mathematical methods of graph theory and number theory. We illustrate the approach by a number of examples and present current practical results.

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Notes

  1. 1.

    Scheduling is called static, if the schedule is built before running the system.

  2. 2.

    Task is called preemptive, if it may be interrupted by another task.

References

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  7. Zelenova, S.A., Zelenov, S.V.: Schedulability analysis for strictly periodic tasks in RTOS. Program. Comput. Softw. 44(3), 159–169 (2018). https://doi.org/10.1134/S0361768818030076

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Authors and Affiliations

  1. Ivannikov Institute for System Programming of the Russian Academy of Sciences (ISP RAS), 25, Alexander Solzhenitsyn st., Moscow, 109004, Russia

    Sophia A. Zelenova & Sergey V. Zelenov

  2. National Research University Higher School of Economics (HSE), 20, Myasnitskaya Ulitsa, Moscow, 101000, Russia

    Sergey V. Zelenov

Authors
  1. Sophia A. Zelenova
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  2. Sergey V. Zelenov
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Corresponding author

Correspondence to Sergey V. Zelenov .

Editor information

Editors and Affiliations

  1. Microsoft Research, Redmond, WA, USA

    Nikolaj Bjørner

  2. AP Ershov Institute of Informatics Systems, Novosibirsk, Russia

    Irina Virbitskaite

  3. School of Computer Science, University of Manchester, Manchester, UK

    Andrei Voronkov

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Zelenova, S.A., Zelenov, S.V. (2019). Effective Scheduling of Strict Periodic Task Sets with Given Permissible Periods in RTOS. In: Bjørner, N., Virbitskaite, I., Voronkov, A. (eds) Perspectives of System Informatics. PSI 2019. Lecture Notes in Computer Science(), vol 11964. Springer, Cham. https://doi.org/10.1007/978-3-030-37487-7_18

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  • DOI: https://doi.org/10.1007/978-3-030-37487-7_18

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-37486-0

  • Online ISBN: 978-3-030-37487-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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