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 language | English |
|---|---|
| Title of host publication | 15th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA, Bilbao, Spain, September 13-16, 2010) |
| Publisher | Institute of Electrical and Electronics Engineers |
| Pages | 1-8 |
| ISBN (Print) | 978-1-4244-6848-5 |
| DOIs | |
| Publication status | Published - 2010 |
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