A Bandwidth Reservation Strategy for Multiprocessor Real-Time Scheduling

Ernesto Massa, George Lima
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引用次数: 6

Abstract

The problem of scheduling a set of tasks on a multiprocessor architecture is addressed. Tasks are assumed to be sporadic with arbitrary deadlines and may migrate between processors. The execution of migrating tasks is controlled by a bandwidth reservation scheme so that schedulability is guaranteed by EDF. Task migration costs are taken into consideration. Results from experiments indicate that the proposed approach performs well in terms of schedulability.
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多处理器实时调度的带宽预留策略
解决了在多处理器体系结构上调度一组任务的问题。任务被假定为具有任意截止日期的零星任务,并且可能在处理器之间迁移。迁移任务的执行由带宽预留方案控制,因此EDF保证了可调度性。将任务迁移成本考虑在内。实验结果表明,该方法在可调度性方面具有良好的性能。
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