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Multicore OperatingSystem Support for Mixed Criticality # James H. Anderson, Sanjoy K. Baruah, and Bj orn B. Brandenburg
 

Summary: Multicore Operating­System Support for Mixed Criticality #
James H. Anderson, Sanjoy K. Baruah, and Bj˜ orn B. Brandenburg
The University of North Carolina at Chapel Hill
Abstract
Ongoing research is discussed on the development of
operating­system support for enabling mixed­criticality
workloads to be supported on multicore platforms. This
work is motivated by avionics systems in which such work­
loads occur. In the mixed­criticality workload model that is
considered, task execution costs may be determined using
more­stringent 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