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A Simulation Methodology for Worst-Case Response Time Estimation of Distributed Real-Time Systems
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, ESLAB - Embedded Systems Laboratory.
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, ESLAB - Embedded Systems Laboratory. Linköping University, Department of Computer and Information Science, Software and Systems.
Linköping University, Department of Computer and Information Science, ESLAB - Embedded Systems Laboratory. Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Computer and Information Science, ESLAB - Embedded Systems Laboratory. Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, The Institute of Technology.
2008 (English)In: Design, Automation, and Test in Europe DATE 2008,2008, Munich, Germany: IEEE Computer Society Press , 2008, 556- p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we propose a simulation-based methodology for worst-case response time estimation of distributed real-time systems. Schedulability analysis produces pessimistic upper bounds on process response times. Consequently, such an analysis can lead to overdesigned systems resulting in unnecessarily increased costs. Simulations, if well conducted, can lead to tight lower bounds on worst-case response times, which can be an essential input at design time. Moreover, such a simulation methodology is very important in situations when the running application or the underlying platform is such that no formal timing analysis is available. Another important application of the proposed simulation environment is the validation of formal analysis approaches, by estimating their degree of pessimism. We have performed such an estimation of pessimism for two response-time analysis approaches for distributed embedded systems based on two of the most important automotive communication protocols: CAN and FlexRay.

Place, publisher, year, edition, pages
Munich, Germany: IEEE Computer Society Press , 2008. 556- p.
Keyword [en]
simulation, embedded systems, timing analysis, response time estimation, distributed real-time systems, FlexRay, CAN
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-39639DOI: 10.1109/DATE.2008.4484735Local ID: 50431ISBN: 978-3-9810801-3-1 (print)ISBN: 978-3-9810801-4-8 (print)OAI: oai:DiVA.org:liu-39639DiVA: diva2:260488
Conference
DATE'08
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2013-08-16

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Publisher's full texthttp://www.ida.liu.se/labs/eslab/publications/pap/db/sohsa_date08.PDF

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Samii, SoheilRafiliu, Sergiu AurelEles, PetruPeng, Zebo

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