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2006
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LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers

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LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers
We present a real-time, Linux-based testbed called LITMUSRT , which we have developed for empirically evaluating multiprocessor real-time scheduling algorithms. We also present the results from such an evaluation, in which partitioned earliest-deadline-first (EDF) scheduling, preemptive and nonpreemptive global EDF scheduling, and two variants of the global PD2 Pfair algorithm were considered. The tested algorithms were compared based on both raw performance and schedulability (with real overheads considered) assuming either hard- or soft-real-time constraints. To our knowledge, this paper is the first attempt by anyone to compare partitioned and global real-time scheduling approaches using empirical data.
John M. Calandrino, Hennadiy Leontyev, Aaron Block
Added 12 Jun 2010
Updated 12 Jun 2010
Type Conference
Year 2006
Where RTSS
Authors John M. Calandrino, Hennadiy Leontyev, Aaron Block, UmaMaheswari C. Devi, James H. Anderson
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