Software Structure and WCET Predictability

Authors Gernot Gebhard, Christoph Cullmann, Reinhold Heckmann

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Gernot Gebhard
Christoph Cullmann
Reinhold Heckmann

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Gernot Gebhard, Christoph Cullmann, and Reinhold Heckmann. Software Structure and WCET Predictability. In Bringing Theory to Practice: Predictability and Performance in Embedded Systems. Open Access Series in Informatics (OASIcs), Volume 18, pp. 1-10, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)


Being able to compute worst-case execution time bounds for tasks of an embedded software system with hard real-time constraints is crucial to ensure the correct (timing) behavior of the overall system. Any means to increase the (static) time predictability of the embedded software are of high interest -- especially due to the ever-growing complexity of such software systems. In this paper we study existing coding proposals and guidelines, such as MISRA-C, and investigate whether they simplify static timing analysis. Furthermore, we investigate how additional knowledge, such as design-level information, can further aid in this process.
  • WCET Predictability
  • Embedded Software Structure
  • Coding Guidelines


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