Synthesis of Safe, QoS Extendible, Application Specific Schedulers for Heterogeneous Real-Time Systems

We 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. Our scheduler architecture and scheduler synthesis method can be used for heterogeneous applications where the tasks communicate through various synchronisation primitives. We present a prototype implementation of this scheduler architecture and related mechanisms on top of an open-source OS for embedded systems.