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A generic simulator of real-time scheduling algorithms

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3 Author(s)
De Vroey, S. ; Dept. d''Inf., Univ. Libre de Bruxelles, Belgium ; Goossens, J. ; Hernalsteen, C.

We describe a language for defining scheduling algorithms for hard real-time systems and a tool to simulate the behavior of such systems on a predefined task set. The language is suitable for describing a real-time system composed of a task set, resources and a scheduling algorithm. The tasks can either be periodic or aperiodic, dependent or independent and the time constraints (e.g. deadlines) may be soft or hard. We consider two types of resources: the CPU and semaphores. Semaphores are used to describe the various possible dependences of the task set: shared memory, inter-task communication, devices etc. We consider only monoprocessor real-time systems. The third part of the system is given by the scheduling algorithm which is used to give resources (CPU and semaphores) to tasks

Published in:

Simulation Symposium, 1996., Proceedings of the 29th Annual

Date of Conference:

8-11 Apr 1996