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Authors: Mohamed Ould Sass and Maryline Chetto

Affiliation: University of Nantes, France

Keyword(s): Embedded, Real-time, Processor Overload, Fault-tolerance, Uniprocessor, Scheduling.

Related Ontology Subjects/Areas/Topics: Context ; Context-Aware Applications ; Embedded Communications Systems ; Mobile and Pervasive Computing ; Paradigm Trends ; Pervasive Embedded Devices ; Real-Time Systems ; Sensors and Sensor Networks ; Software Architectures ; Software Engineering ; Telecommunications

Abstract: We present a new task model called BGW for preemptable, periodic task sets, scheduled on a uniprocessor embedded platform. The tasks may be subject to faults and the processor may be overloaded. According to BGW, any Black job has to execute a primary algorithm before deadline, any Grey job may execute either the primary or the back-up algorithm and any White job may be discarded. We describe several Earliest Deadline First (EDF) based scheduling frameworks suitable for this model. We also present and discuss the results of experiments that compare the EDF scheduler applied to conventional Liu and Layland task sets to various schedulers applied to BGW task sets. The Quality of Service is observed through metrics including ratio of deadline success, preemption rate, etc.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Ould Sass, M. and Chetto, M. (2015). Schedulers for BGW Tasks to Guarantee Quality of Service of Embedded Real-time Systems. 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 53-58. DOI: 10.5220/0005181700530058

@conference{peccs15,
author={Mohamed {Ould Sass}. and Maryline Chetto.},
title={Schedulers for BGW Tasks to Guarantee Quality of Service of Embedded Real-time Systems},
booktitle={Proceedings of the 5th International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS},
year={2015},
pages={53-58},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005181700530058},
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 - Schedulers for BGW Tasks to Guarantee Quality of Service of Embedded Real-time Systems
SN - 978-989-758-084-0
IS - 2184-2817
AU - Ould Sass, M.
AU - Chetto, M.
PY - 2015
SP - 53
EP - 58
DO - 10.5220/0005181700530058
PB - SciTePress