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Current Results on EDZL Scheduling for Multiprocessor Real-Time Systems
Daegu, Korea August 21-August 24
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/RTCSA.2007.3413th IEEE International Conference on ...
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Hsin-Wen Wei, Yi-Hsiung Chao, Shun-Shii Lin, Kwei-Jay Lin, Wei-Kuan Shih, "Current Results on EDZL Scheduling for Multiprocessor Real-Time Systems," Real-Time Computing Systems and Applications, International Workshop on, pp. 120-130, 13th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA 2007), 2007.
 
 
BibTex
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@article{ 10.1109/RTCSA.2007.34,
author = {Hsin-Wen Wei and Yi-Hsiung Chao and Shun-Shii Lin and Kwei-Jay Lin and Wei-Kuan Shih},
title = {Current Results on EDZL Scheduling for Multiprocessor Real-Time Systems},
journal ={Real-Time Computing Systems and Applications, International Workshop on},
volume = {0},
year = {2007},
issn = {1533-2306},
pages = {120-130},
doi = {http://doi.ieeecomputersociety.org/10.1109/RTCSA.2007.34},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
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TY - CONF
JO - Real-Time Computing Systems and Applications, International Workshop on
TI - Current Results on EDZL Scheduling for Multiprocessor Real-Time Systems
SN - 1533-2306
SP120
EP130
A1 - Hsin-Wen Wei,
A1 - Yi-Hsiung Chao,
A1 - Shun-Shii Lin,
A1 - Kwei-Jay Lin,
A1 - Wei-Kuan Shih,
PY - 2007
KW - null
VL - 0
JA - Real-Time Computing Systems and Applications, International Workshop on
ER -
 
Hsin-Wen Wei, National Tsing Hua University, Hsinchu, Taiwan
Yi-Hsiung Chao, National Taiwan Normal University, Taipei, Taiwan
Shun-Shii Lin, National Taiwan Normal University, Taipei, Taiwan
Kwei-Jay Lin, University of California, Irvine, CA
Wei-Kuan Shih, National Tsing Hua University, Hsinchu, Taiwan
Many optimal uniprocessor schedulers, such as Earliest Deadline First (EDF) and Rate Monotonic (RM), do not have a good schedulability bound on multiprocessor systems. In this paper, we study an on-line algorithm Earliest Deadline First until Zero laxity (EDZL) for multiprocessor systems. A set of tasks scheduled by EDZL is scheduled using EDF until a job experiences a zero laxity. To avoid the job from missing its deadline, the priority of the job is immediately promoted to the highest priority. We derive the schedulability bound of 3/2+|umax?1/2| for two-processor systems, where umax is the maximum utilization of an individual task in the given task set. We also discuss the best known upper bound and lower bound on EDZL schedulability conditions.
Citation:
Hsin-Wen Wei, Yi-Hsiung Chao, Shun-Shii Lin, Kwei-Jay Lin, Wei-Kuan Shih, "Current Results on EDZL Scheduling for Multiprocessor Real-Time Systems," rtcsa, pp.120-130, 13th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA 2007), 2007
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