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Improved SIRAP anal...
Improved SIRAP analysis for synchronization in hierarchical scheduled real-time systems
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- Behnam, Moris (author)
- Mälardalens högskola,Akademin för innovation, design och teknik
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- Nolte, Thomas (author)
- Mälardalens högskola,Akademin för innovation, design och teknik
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- J. Bril, Reinder (author)
- Technische Universiteit Eindhoven
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(creator_code:org_t)
- 2009
- 2009
- English.
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In: Proceedings of 14th IEEE International Conference on Emerging Techonologies and Factory (ETFA'09). - 9781424427284
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- We present our ongoing work on synchronization in hierarchical scheduled real-time systems, where tasks are scheduled using fixed-priority pre-emptive scheduling. In this paper, we show that the original local schedulability analysis of the synchronization protocol SIRAP is very pessimistic when tasks of a subsystem access many global shared resources. The analysis therefore suggests that a subsystem requires more CPU resources than necessary. A new way to perform the schedulability analysis is presented which can make the SIRAP protocol more efficient in terms of calculated CPU resource needs.
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