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WCET and mixed-criticality: What does confidence in WCET estimations depend upon?
University of Luxembourg.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-5297-6548
Université Grenoble Alpes, Verimag, France.
Saarland University, Germany.
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2015 (English)In: OpenAccess Series in Informatics, 2015, 65-74 p.Conference paper, Published paper (Refereed)
Abstract [en]

Mixed-criticality systems integrate components of different criticality. Different criticality levels require different levels of confidence in the correct behavior of a component. One aspect of correctness is timing. Confidence in worst-case execution time (WCET) estimates depends on the process by which they have been obtained. A somewhat naive view is that static WCET analyses determines safe bounds in which we can have absolute confidence, while measurement-based approaches are inherently unreliable. In this paper, we refine this view by exploring sources of doubt in the correctness of both static and measurement-based WCET analysis.

Place, publisher, year, edition, pages
2015. 65-74 p.
Keyword [en]
Confidence in WCET estimates, Mixed criticality, WCET analysis, Measurement-based, Measurement-based approach, Mixed criticalities, Mixed-criticality systems, Safe bounds, Worst-case execution time, Criticality (nuclear fission)
National Category
Information Systems
Identifiers
URN: urn:nbn:se:mdh:diva-28723DOI: 10.4230/OASIcs.WCET.2015.65Scopus ID: 2-s2.0-84938532753ISBN: 9783939897958 (print)OAI: oai:DiVA.org:mdh-28723DiVA: diva2:847837
Conference
15th International Workshop on Worst-Case Execution Time Analysis, WCET 2015, 7 July 2015
Available from: 2015-08-21 Created: 2015-08-21 Last updated: 2015-08-21Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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