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Input-Dependency Analysis for Hard Real-Time Software

Fulltext:


Authors:

Jan Gustafsson, Björn Lisper, Peter Puschner , Raimund Kirner

Publication Type:

Conference/Workshop Paper

Venue:

9-th IEEE International Workshop on Object-oriented Real-time Dependable Systems (WORDS 2003F)

Publisher:

IEEE

Abstract

The execution time of software for hard real-time systems must be predictable. Further, safe and not overly pessimistic bounds for the worst-case execution time (WCET) must be computable. We conceived a programming strategy called WCET-oriented programming and a code transformation strategy, the single-path conversion, that aid programmers in producing code that meets these requirements. These strategies avoid respectively eliminate input-data dependencies in the code. The paper describes the formal analysis, based on abstract interpretation, that identifies input-data dependencies in the code and thus forms the basis for the strategies provided for hard real-time code development.

Bibtex

@inproceedings{Gustafsson470,
author = {Jan Gustafsson and Bj{\"o}rn Lisper and Peter Puschner and Raimund Kirner},
title = {Input-Dependency Analysis for Hard Real-Time Software},
editor = {Luiz Bacellar, Gerhard Fohler},
month = {October},
year = {2003},
booktitle = {9-th IEEE International Workshop on Object-oriented Real-time Dependable Systems (WORDS 2003F)},
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/470-}
}