A DEVELOPMENT ENVIRONMENT FOR HARD REAL-TIME APPLICATIONS

Author:

ANCILOTTI PAOLO1,BUTTAZZO GIORGIO1,NATALE MARCO DI1,SPURI MARCO1

Affiliation:

1. Scuola Superiore S. Anna, Via Carducci, 40-Pisa, Italy

Abstract

In this paper, we describe an integrated environment to assist the development of hard real-time applications. It includes an interactive graphic interface which allows the user to describe the application requirements according to three hierarchical levels: the application level, the component level, and the object level. The development model we propose is based on an iterative process in which the real-time scheduling support is considered since the beginning of the design phases. Our graphic environment integrates several tools to analyse, test, and simulate the real-time application under development. In particular, the tools we have implemented are: a Design Tool, to describe the structure of the application, a Schedulability Analyser Tool (SAT), to verify off-line the feasibility of the schedule of a critical task set, a Scheduling Simulator, to test the average behaviour of the application, and a Maximum Execution Time (MET) estimator to bound the worst case duration of each task.

Publisher

World Scientific Pub Co Pte Lt

Subject

Artificial Intelligence,Computer Graphics and Computer-Aided Design,Computer Networks and Communications,Software

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