Protocol-transparent resource sharing in hierarchically scheduled real-time systems

M.M.H.P. Heuvel, van den, R.J. Bril, J.J. Lukkien

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

8 Citations (Scopus)

Abstract

Hierarchical scheduling frameworks (HSFs) provide means for composing complex real-time systems from well-defined, independently analyzed subsystems. To support resource sharing within two-level HSFs, three synchronization protocols based on the stack resource policy (SRP) have recently been presented, i.e. HSRP [1], SIRAP [2] and BROE [3]. This paper describes the first implementation presenting these three SRP-based synchronization protocols side-by-side in a HSF-enabled real-time operating system. We base our implementations on the commercially available real-time operating system µC/OS-II, extended with proprietary support for periodic tasks, idling periodic servers and two-level preemptive scheduling. Moreover, we investigate the system overhead of the synchronization primitives of each protocol. Transparent interfaces allow a protocol to be selected during integration time based on its relative strengths1.
Original languageEnglish
Title of host publication15th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA, Bilbao, Spain, September 13-16, 2010)
PublisherInstitute of Electrical and Electronics Engineers
Pages1-8
ISBN (Print)978-1-4244-6848-5
DOIs
Publication statusPublished - 2010

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