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DOI: 10.4230/LIPIcs.ECRTS.2022.14

An Approach to Formally Specifying the Behaviour of Mixed-Criticality Systems

Authors: A. Burns and Cliff B. Jones

Published in: LIPIcs, Volume 231, 34th Euromicro Conference on Real-Time Systems (ECRTS 2022)

Abstract

This paper proposes a formal framework for describing the relationship between a criticality-aware scheduler and a set of application tasks that are assigned different criticality levels. The exposition employs a series of examples starting with scheduling simple jobs and then moving on to mixed-criticality robust and resilient tasks. The proposed formalism extends the rely-guarantee approach, which facilitates formal reasoning about the functional behaviour of concurrent systems, to address real-time properties.

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A. Burns and Cliff B. Jones. An Approach to Formally Specifying the Behaviour of Mixed-Criticality Systems. In 34th Euromicro Conference on Real-Time Systems (ECRTS 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 231, pp. 14:1-14:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{burns_et_al:LIPIcs.ECRTS.2022.14,
  author =	{Burns, A. and Jones, Cliff B.},
  title =	{{An Approach to Formally Specifying the Behaviour of Mixed-Criticality Systems}},
  booktitle =	{34th Euromicro Conference on Real-Time Systems (ECRTS 2022)},
  pages =	{14:1--14:23},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-239-6},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{231},
  editor =	{Maggio, Martina},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECRTS.2022.14},
  URN =		{urn:nbn:de:0030-drops-163315},
  doi =		{10.4230/LIPIcs.ECRTS.2022.14},
  annote =	{Keywords: real-time, scheduling, mixed criticality, rely/guaranteed conditions}
}

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An Approach to Formally Specifying the Behaviour of Mixed-Criticality Systems

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