Garbage Collection Scheduling of Aperiodic Tasks |
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Authors: | Ning Zhang Guang-Ze Xiong |
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Affiliation: | School of Computer Science, University of Electronic Science and Technology of China, Chengdu, 610054, China |
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Abstract: | In the previous work of garbage collection (GC) models, scheduling analysis was given based on an assumption that there were no aperiodic mutator tasks. However, it is not true in practical real-time systems. The GC algorithm which can schedule aperiodic tasks is proposed, and the variance of live memory is analyzed. In this algorithm, active tasks are deferred to be processed by GC until the states of tasks become inactive, and the saved sporadic server time can be used to schedule aperiodic tasks. Scheduling the sample task sets demonstrates that this algorithm in this paper can schedule aperiodic tasks and decrease GC work. Thus, the GC algorithm proposed is more flexible and portable. |
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Keywords: | Aperiodic tasks garbage collector real-time scheduling |
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