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Synthesis of Safe, QoS Extendible, Application Specific Schedulers for Heterogeneous Real-Time SystemsChristos KLOUKINAS, Sergio YOVINETo appear at Euromicro Conference on Real-Time Systems (ECRTS03), Porto, Portugal, 2-4 July 2003
AbstractWe present a new scheduler architecture, which permits adding QoS policies to the scheduling decisions. We also present a new scheduling synthesis method which allows a designer to obtain a safe scheduler for a particular application and at the same time helps him in analysing the task interactions and the overall system behaviour. Our scheduler architecture and scheduler synthesis method have not been developed for a particular application model and, therefore, can be used for heterogeneous applications, where there are periodic tasks, event-driven ones and tasks which are always enabled and where the tasks communicate through various synchronisation primitives. Finally, we present a prototype implementation of this scheduler architecture and related mechanisms on top of an open-source OS for embedded systems.
10 Mar 2003 at 21:02:26 |