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Hierarchical Budget Management in the RED-Linux Scheduling Framework
Vienna, Austria June 19-June 21
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/EMRTS.2002.101918714 th Euromicro Conference on Real-Ti ...
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Song Wang, University of California at Irvine
Kwei-Jay Li, University of California at Irvine
YuChung Wang, University of California at Irvine
A hierarchical scheduling mechanism has been implemented in RED-Linux to integrate different scheduling paradigms together. In this paper, we extend the concept of group so that the execution budget for jobs in RED-Linux can be managed in a hierarchical way. A budget group contains a set of jobs that share the available budget for the group. The jobs in a budget group could be a normal job or another budget group job, which contains its own group of jobs. Every job has its system budget. But if it belongs to a budget group, the job's budget is also constrained by its group's budget. We discuss how the budget group mechanism is implemented in RED-Linux. We also show how to use the mechanism to implement several schedulers.
Citation:
Song Wang, Kwei-Jay Li, YuChung Wang, "Hierarchical Budget Management in the RED-Linux Scheduling Framework," ecrts, pp.76, 14 th Euromicro Conference on Real-Time Systems (ECRTS'02), 2002
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