On the Use of Context Information for Precise Measurement-Based Execution Time Estimation

Authors Stefan Stattelmann, Florian Martin

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Stefan Stattelmann
Florian Martin

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Stefan Stattelmann and Florian Martin. On the Use of Context Information for Precise Measurement-Based Execution Time Estimation. In 10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010). Open Access Series in Informatics (OASIcs), Volume 15, pp. 64-76, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)


The present paper investigates the influence of the execution history on the precision of measurement-based execution time estimates for embedded software. A new approach to timing analysis is presented which was designed to overcome the problems of existing static and dynamic methods. By partitioning the analyzed programs into easily traceable segments and by precisely controlling run-time measurements with on-chip tracing facilities, the new method is able to preserve information about the execution context of measured execution times. After an adequate number of measurements have been taken, this information can be used to precisely estimate the Worst-Case Execution Time of a program without being overly pessimistic.
  • WCET analysis
  • trace
  • execution time measurement


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