In this paper, we present a framework for integrating real-time components in the same system, where each component has its own scheduling algorithm. There are two main reasons for this research: to allow maximum exibility in the design of systems with different real-time activities and to reuse already existing applications without changing their scheduling policy. After defining the concept of component in our context, we present our methodology that is based on a two-level hierarchical scheduling paradigm. At the global level, a scheduler selects which component must be executed at each instant; the selected component then chooses which task has to be scheduled depending on its own scheduling strategy.

A Framework for Composing Real-Time Schedulers

LIPARI, Giuseppe;BINI, Enrico;
2003

Abstract

In this paper, we present a framework for integrating real-time components in the same system, where each component has its own scheduling algorithm. There are two main reasons for this research: to allow maximum exibility in the design of systems with different real-time activities and to reuse already existing applications without changing their scheduling policy. After defining the concept of component in our context, we present our methodology that is based on a two-level hierarchical scheduling paradigm. At the global level, a scheduler selects which component must be executed at each instant; the selected component then chooses which task has to be scheduled depending on its own scheduling strategy.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11382/374718
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