On the Implementation of Global Real-Time Schedulers

  title={On the Implementation of Global Real-Time Schedulers},
  author={Bj{\"o}rn B. Brandenburg and James H. Anderson},
  journal={2009 30th IEEE Real-Time Systems Symposium},
An empirical study of implementation tradeoffs (choice of ready queue implementation, quantum-driven vs. event driven scheduling, and interrupt handling strategy) affecting global real-time schedulers, and in particular global EDF, is presented. This study, conducted using UNC’s Linux-based LITMUSRT on Sun’s Niagara platform, suggests that implementation tradeoffs can impact schedulability as profoundly as scheduling-theoretic tradeoffs. For most of the considered workloads, implementation… CONTINUE READING
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A comparison of global and partitioned EDF schedulability tests for multiprocessors

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