Real-time calculus for scheduling hard real-time systems

L. Thiele, S. Chakraborty, M. Naedele
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引用次数: 664

Abstract

This paper establishes a link between three areas, namely Max-Plus Linear System Theory as used for dealing with certain classes of discrete event systems, Network Calculus for establishing time bounds in communication networks, and real-time scheduling. In particular, it is shown that important results from scheduling theory can be easily derived and unified using Max-Plus Algebra. Based on the proposed network theory for real-time systems, the first polynomial algorithm for the feasibility analysis and optimal priority assignment for a general task model is derived.
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调度硬实时系统的实时演算
本文建立了三个领域之间的联系,即用于处理某类离散事件系统的Max-Plus线性系统理论,用于建立通信网络时间界限的网络微积分,以及实时调度。特别地,利用Max-Plus代数可以很容易地推导和统一调度理论的重要结果。基于所提出的实时系统网络理论,导出了用于一般任务模型可行性分析和最优优先级分配的第一个多项式算法。
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