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Multicore Operating-System Support for Mixed Criticality James H. Anderson, Sanjoy K. Baruah, and Bjorn B. Brandenburg
 

Summary: Multicore Operating-System Support for Mixed Criticality
James H. Anderson, Sanjoy K. Baruah, and Bjšorn B. Brandenburg
The University of North Carolina at Chapel Hill
Abstract
Ongoing research is discussed on the development of
operating-system support for enabling mixed-criticality
workloads to be supported on multicore platforms. This
work is motivated by avionics systems in which such work-
loads occur. In the mixed-criticality workload model that is
considered, task execution costs may be determined using
more-stringent methods at high criticality levels, and less-
stringent methods at low criticality levels. The main focus
of this research effort is devising mechanisms for providing
"temporal isolation" across criticality levels: lower levels
should not adversely "interfere" with higher levels.
1 Introduction
The evolution of computational frameworks for avionics
systems is being impacted by two trends. First, such frame-
works are becoming increasingly complex. While this is
generally true, a particularly good case in point is next-

  

Source: Anderson, James - Department of Computer Science, University of North Carolina at Chapel Hill

 

Collections: Computer Technologies and Information Sciences