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Summary: RTOS Support for Multicore Mixed-Criticality Systems
Jonathan L. Herman,
Christopher J. Kenna,
Malcolm S. Mollison,
James H. Anderson
and Daniel M. Johnson
The University of North Carolina at Chapel Hill
Northrop Grumman Corp.
Abstract
Mixed criticality scheduling algorithms, which attempt to
reclaim system capacity lost to worst-case execution time pes-
simism, seem to hold great promise for multicore real-time
systems, where such loss is particularly severe. However,
the unique nature of these algorithms gives rise to a number
of major challenges for the would-be implementer. This pa-
per describes the first implementation of a mixed criticality
scheduling framework on a multicore system. We experimen-
tally evaluate design tradeoffs that arise when seeking to iso-
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