Improved Offset-Analysis Using Multiple Timing-References

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Provided by: edaa
Topic: Hardware
Format: PDF
In this paper, the authors 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. Their approach is to consider multiple timing-references which allows them to capture more information about the timing-correlation between tasks. They 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.
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