Improved offset-analysis using multiple timing-references

  • Authors:
  • Rafik Henia;Rolf Ernst

  • Affiliations:
  • Technical University of Braunschweig, Braunschweig, Germany;Technical University of Braunschweig, Braunschweig, Germany

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe: Proceedings
  • Year:
  • 2006

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Abstract

In this paper, we present an extension to existing approaches that capture and exploit timing-correlation between tasks for scheduling analysis in distributed systems. Previous approaches consider a unique timing-reference for each set of time-correlated tasks and thus, do not capture the complete timing-correlation between task activations. Our approach is to consider multiple timing-references which allows us to capture more information about the timing-correlation between tasks. We also present an algorithm that exploits the captured information to calculate tighter bounds for the worst-case response time analysis under a static priority preemptive scheduler.