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

Rio de Janeiro, Brazil December 05-December 08

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http://doi.ieeecomputersociety.org/10.1109/RTSS.2006.27

27th IEEE International Real-Time Sys ...

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	John M. Calandrino, Hennadiy Leontyev, Aaron Block, UmaMaheswari C. Devi, James H. Anderson, "LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers," Real-Time Systems Symposium, IEEE International, pp. 111-126, 27th IEEE International Real-Time Systems Symposium (RTSS'06), 2006.

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	@article{ 10.1109/RTSS.2006.27, author = {John M. Calandrino and Hennadiy Leontyev and Aaron Block and UmaMaheswari C. Devi and James H. Anderson}, title = {LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers}, journal ={Real-Time Systems Symposium, IEEE International}, volume = {0}, year = {2006}, issn = {1052-8725}, pages = {111-126}, doi = {http://doi.ieeecomputersociety.org/10.1109/RTSS.2006.27}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Real-Time Systems Symposium, IEEE International TI - LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers SN - 1052-8725 SP111 EP126 A1 - John M. Calandrino, A1 - Hennadiy Leontyev, A1 - Aaron Block, A1 - UmaMaheswari C. Devi, A1 - James H. Anderson, PY - 2006 KW - null VL - 0 JA - Real-Time Systems Symposium, IEEE International ER -

John M. Calandrino, The University of North Carolina at Chapel Hill, USA

Hennadiy Leontyev, The University of North Carolina at Chapel Hill, USA

Aaron Block, The University of North Carolina at Chapel Hill, USA

UmaMaheswari C. Devi, The University of North Carolina at Chapel Hill, USA

James H. Anderson, The University of North Carolina at Chapel Hill, USA

We present a real-time, Linux-based testbed called LITMUS^RT, 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 PD^2 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.

Citation:

John M. Calandrino, Hennadiy Leontyev, Aaron Block, UmaMaheswari C. Devi, James H. Anderson, "LITMUS^RT : A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers," rtss, pp.111-126, 27th IEEE International Real-Time Systems Symposium (RTSS'06), 2006

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