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Authors: Fouad Khenfri 1 ; Khaled Chaaban 2 and Maryline Chetto 3

Affiliations: 1 ESTACA and University of Nantes, France ; 2 ESTACA, France ; 3 University of Nantes, France

Keyword(s): Optimization, Real-time scheduling, AUTOSAR.

Related Ontology Subjects/Areas/Topics: Embedded Communications Systems ; Real-Time Systems ; Software Architectures ; Telecommunications

Abstract: This paper describes a novel algorithm that permits to automate the process to map runnables to tasks in any AUTOSAR architecture. This enables to boost system performance by reducing the number of tasks to be implemented and while preserving system schedulability. Our algorithm uses some properties related to the activation offset for mapping runnables with distinct periods to the same task. We consider periodic, independent and fixed-priority tasks running on a single processor. The results of an experimental study are reported. First, they show that our algorithm reduces significantly the number of tasks with distinct periods while preserving system schedulability. And second, the system schedulability bound is increased by 34% compared to the typical periodic solution and the average response time of tasks is reduced by 30% related to ohers solutions.

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Paper citation in several formats:
Khenfri, F.; Chaaban, K. and Chetto, M. (2015). A Novel Heuristic Algorithm for Mapping AUTOSAR Runnables to Tasks. In Proceedings of the 5th International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS; ISBN 978-989-758-084-0; ISSN 2184-2817, SciTePress, pages 239-246. DOI: 10.5220/0005234202390246

@conference{peccs15,
author={Fouad Khenfri. and Khaled Chaaban. and Maryline Chetto.},
title={A Novel Heuristic Algorithm for Mapping AUTOSAR Runnables to Tasks},
booktitle={Proceedings of the 5th International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS},
year={2015},
pages={239-246},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005234202390246},
isbn={978-989-758-084-0},
issn={2184-2817},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS
TI - A Novel Heuristic Algorithm for Mapping AUTOSAR Runnables to Tasks
SN - 978-989-758-084-0
IS - 2184-2817
AU - Khenfri, F.
AU - Chaaban, K.
AU - Chetto, M.
PY - 2015
SP - 239
EP - 246
DO - 10.5220/0005234202390246
PB - SciTePress

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