A new sufficient schedulability analysis for hybrid scheduling

• Autorzy: Zhang F. , Zhai Y. , Liao J.

Identyfikatory

DOI

10.1515/amcs-2016-0047

• Języki publikacji: EN

Abstrakty

EN

Earliest deadline first (EDF) and fixed priority (FP) are the most commonly used and studied scheduling algorithms for real-time systems. This paper focuses on combining the EDF and FP strategies in one system. We provide a new sufficient schedulability analysis for real-time hybrid task systems which are scheduled by EDF and FP. The proposed analysis has a polynomial time complexity and no restrictions on task parameters, where the relative deadline of each task could be less than, equal to, or greater than its period. By extensive experiments, we show that our proposed analysis significantly improves the acceptance ratio compared with the existing results of the sufficient schedulability test for hybrid scheduling systems.

Słowa kluczowe

EN

scheduling algorithm; real time system; schedulability analysis; preemptive scheduling; earliest deadline first; fixed priority

PL

algorytm szeregowania; system czasu rzeczywistego; analiza szeregowalności

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2016
• Tom: Vol. 26, no. 3
• Strony: 683--692
• Opis fizyczny: Bibliogr. 27 poz., rys., wykr.

Twórcy

autor

Zhang F.

• School of Computer and Information Science, Southwest University, Beibei District, Chongqing, China

autor

Zhai Y.

• School of Computer and Information Science, Southwest University, Beibei District, Chongqing, China

autor

Liao J.

• School of Computer and Information Science, Southwest University, Beibei District, Chongqing, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.