OASIcs.WCET.2013.11.pdf
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Automatic WCET Analysis of Real-Time Parallel Applications
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13th International Workshop on Worst-Case Execution Time Analysis (WCET 2013)
Series: Open Access Series in Informatics (OASIcs)
Conference: Workshop on Worst-Case Execution Time Analysis (WCET) - License:
Creative Commons Attribution 3.0 Unported license
- Publication Date: 2013-07-08
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Haluk Ozaktas, Christine Rochange, and Pascal Sainrat. Automatic WCET Analysis of Real-Time Parallel Applications. In 13th International Workshop on Worst-Case Execution Time Analysis. Open Access Series in Informatics (OASIcs), Volume 30, pp. 11-20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)
https://doi.org/10.4230/OASIcs.WCET.2013.11
https://doi.org/10.4230/OASIcs.WCET.2013.11
Abstract
Tomorrow's real-time embedded systems will be built upon multicore architectures. This raises two challenges. First, shared resources should be arbitrated in such a way that the WCET of independent threads running concurrently can be computed: in this paper, we assume that timepredictable multicore architectures are available. The second challenge is to develop software that achieves a high level of performance without impairing timing predictability. We investigate parallel software based on the POSIX threads standard and we show how the WCET of a parallel program can be analysed. We report experimental results obtained for typical parallel programs with an extended version of the OTAWA toolset.
Keywords
- WCET analysis
- parallel programming
- thread synchronisation
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