DagSemProc.03471.2.pdf
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Design for Time-Predictability
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Dagstuhl Seminar Proceedings, Volume 3471
Series: Dagstuhl Seminar Proceedings (DagSemProc) - License:
Creative Commons Attribution 4.0 International license
- Publication Date: 2004-08-04
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Lothar Thiele and Reinhard Wilhelm. Design for Time-Predictability. In Perspectives Workshop: Design of Systems with Predictable Behaviour. Dagstuhl Seminar Proceedings, Volume 3471, pp. 1-15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2004)
https://doi.org/10.4230/DagSemProc.03471.2
https://doi.org/10.4230/DagSemProc.03471.2
Abstract
A large part of safety-critical embedded systems has to satisfy hard real-time
constraints. These need sound methods and tools to derive reliable run-time guarantees.
The guaranteed run times should not only be reliable, but also precise.
The achievable precision highly depends on characteristics of the target architecture
and the implementation methods and system layers of the software. Trends in
hardware and software design run contrary to predictability. This article describes
threats to time-predictability of systems and proposes design principles that support
time predictability. The ultimate goal is to design performant systems with
sharp upper and lower bounds on execution times.
Keywords
- real-time systems
- guarantees
- predictability
- embedded systems
- performance
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