The Design of an EDF-Scheduled Resource-Sharing Open Environment

Authors:
Nathan Fisher;Marko Bertogna;Sanjoy Baruah
Affiliations:
-;-;-
Venue:
RTSS '07 Proceedings of the 28th IEEE International Real-Time Systems Symposium
Year:
2007

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Abstract

We study the problem of executing a collection of indepen- dently designed and validated task systems upon a common plat- form comprised of a preemptive processor and additional shared resources. We present an abstract formulation of the problem and identify the major issues that must be addressed in order to solve this problem. We present (and prove the correctness of) algorithms that address these issues, and thereby obtain a design for an open real-time environment in the presence of shared global resources. Keywords: Open environments; Resource-sharing systems; Spo- radic tasks; Critical sections; Earliest Deadline First; Stack Re- source Policy.