An elastic mixed-criticality task model and its scheduling algorithm
Proceedings of the Conference on Design, Automation and Test in Europe
Fixed-priority scheduling of dual-criticality systems
Proceedings of the 21st International conference on Real-Time Networks and Systems
Two protocols to reduce the criticality level of multiprocessor mixed-criticality systems
Proceedings of the 21st International conference on Real-Time Networks and Systems
Scheduling of mixed-criticality applications on resource-sharing multicore systems
Proceedings of the Eleventh ACM International Conference on Embedded Software
Mixed-criticality scheduling on multiprocessors
Real-Time Systems
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Systems in many safety-critical application domains are subject to certification requirements. For any given system, however, it may be the case that only a subset of its functionality is safety-critical and hence subject to certification, the rest of the functionality is non safety critical and does not need to be certified, or is certified to a lower level of assurance. An algorithm called EDF-VD (for Earliest Deadline First with Virtual Deadlines) is described for the scheduling of such mixed-criticality task systems. Analyses of EDF-VD significantly superior to previously-known ones are presented, based on metrics such as processor speedup factor (EDF-VD is proved to be optimal with respect to this metric) and utilization bounds.