Global Fixed Priority Scheduling with Constructing Execution Dependency in Multiprocessor Real-Time Systems
2018 ◽
Vol 27
(10)
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pp. 1850165
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The increasing demands for processor performance are driving system designers to adopt multiprocessors. In this paper, we study global fixed priority scheduling in multiprocessor real-time systems and introduce a technique for improving the schedulability. The key idea is to construct execution dependency for selected tasks to leverage slack time and reduce the interference between high-priority and low-priority tasks. Thus, more lower-priority tasks are enabled to be scheduled. Further, we provide a response time analysis method which takes the execution constraint of tasks into consideration. Extensive simulation results indicate that the proposed approach outperforms existing work in terms of acceptance ratio.
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2016 ◽
Vol 45
◽
pp. 164-175
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1996 ◽
Vol 33
(1)
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pp. 57-63
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2019 ◽
Vol 152
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pp. 120-133
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2014 ◽
Vol 90
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pp. 128-137
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