Dynamic Priority Scheduling of Periodic Tasks with Extended PrecedencesReport as inadecuate




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1 DART - Contributions of the Data parallelism to real time LIFL - Laboratoire d-Informatique Fondamentale de Lille, Inria Lille - Nord Europe 2 LIFL - Laboratoire d-Informatique Fondamentale de Lille 3 LIFL - DART - LIFL - DART 4 LISI - ENSMA - Laboratoire d-Informatique Scientifique et Industrielle 5 Toulouse - ONERA - The French Aerospace Lab

Abstract : The software architecture of a critical embedded control system generally consists of a set of multi-periodic communicating tasks. In order to be able to describe such a system, we define the notion of \emph{semaphore precedence constraint}, which supports multi-rate communications that follow regular repetitive patterns. We propose a feasibility test for EDF and we study three implementations, for periodic task sets related by such extended precedences on monoprocessor architectures.





Author: Julien Forget - Emmanuel Grolleau - Claire Pagetti - Pascal Richard -

Source: https://hal.archives-ouvertes.fr/



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