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Träfflista för sökning "L773:9781665453462 OR L773:9781665453479 "

Search: L773:9781665453462 OR L773:9781665453479

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1.
  • Baruah, Sanjoy, et al. (author)
  • Fixed-Parameter Analysis of Preemptive Uniprocessor Scheduling Problems
  • 2022
  • In: 2022 IEEE Real-Time Systems Symposium (RTSS 2022). - : Institute of Electrical and Electronics Engineers (IEEE). - 9781665453462 - 9781665453479 ; , s. 185-196
  • Conference paper (peer-reviewed)abstract
    • The algorithmic technique of fixed-parameter analysis of computationally intractable problems seeks to obtain a deeper understanding of the underlying causes of the intractability, with a view to identifying conditions under which the problem becomes tractable. We apply fixed-parameter analysis to the fixed-priority and EDF scheduling of recurrent (periodic and sporadic) task systems upon preemptive uniprocessor platforms.
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2.
  • Jiang, Xu, et al. (author)
  • Real-Time Scheduling and Analysis of Processing Chains on Multi-threaded Executor in ROS 2
  • 2022
  • In: 2022 IEEE Real-Time Systems Symposium (RTSS 2022). - : IEEE. - 9781665453462 - 9781665453479 ; , s. 27-39
  • Conference paper (peer-reviewed)abstract
    • ROS (Robot Operating System) is currently one of the most popular development frameworks for robotic software, which is usually subject to hard real-time constraints in safe-critical domains. Designers must formally model and analyze its timing behaviors to guarantee that real-time constraints are always honored at run-time. This paper studies real-time scheduling and analysis under a multi-threaded executor in ROS 2. We present a formal description of the scheduling model of multi-threaded executors, and develop response time analysis techniques for processing chains executing on it. Moreover, we identify a risk of increasing the response time of chains that may be caused by improper design when deploying systems on multi-threaded executors, which provides a useful guidance to designers. We conduct experiments with both randomly generated workloads and case studies on a realistic ROS 2 platform to evaluate and demonstrate our results.
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  • Result 1-2 of 2
Type of publication
conference paper (2)
Type of content
peer-reviewed (2)
Author/Editor
Guan, Nan (1)
Wang, Yi (1)
Baruah, Sanjoy (1)
Ekberg, Pontus, 1984 ... (1)
Singh, Abhishek (1)
Jiang, Xu (1)
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Tang, Yue (1)
Ji, Dong (1)
Li, Ruoxiang (1)
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University
Uppsala University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)
Year
2022 (2)

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