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Reusing Worst-Case Execution Time Analysis with Component Contracts
Mälardalen University, Department of Computer Science and Electronics.
Mälardalen University, Department of Computer Science and Electronics.ORCID iD: 0000-0001-6132-7945
Mälardalen University, Department of Computer Science and Electronics.ORCID iD: 0000-0001-7586-0409
Mälardalen University, Department of Computer Science and Electronics.ORCID iD: 0000-0001-6278-4793
2007 (English)In: Proceedings of the 9th Real-Time in Sweden (RTiS'07), 2007Conference paper, Published paper (Refereed)
Abstract [en]

We present a contract-based technique to achieve reuse of known worst-case execution times (WCET) in conjunction with reuse of software components. For resource constrained systems, or systems where high degree of predictability is needed, classical techniques for WCET-estimation will result in unacceptable overestimation of the execution-time of reusable software components with rich behavior. Our technique allows different WCETs to be associated with subsets of the component behavior. The appropriate WCET for any usage context of the component is selected be means of component contracts over the input domain. In a case-study we illustrate our technique and demonstrate its potential in achieving tight WCET-estimates for reusable components with rich behavior.

Place, publisher, year, edition, pages
2007.
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-7037OAI: oai:DiVA.org:mdh-7037DiVA, id: diva2:237047
Conference
9th Real-Time in Sweden (RTiS'07), 21-22 Aug. 2007, Västerås, Sweden
Available from: 2009-09-25 Created: 2009-09-25 Last updated: 2015-07-31Bibliographically approved

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Nolte, ThomasSjödin, MikaelSchmidt, Heinz

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Fredriksson, JohanNolte, ThomasSjödin, MikaelSchmidt, Heinz
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