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Automatic Test Generation for Energy Consumption of Embedded Systems Modeled in EAST-ADL

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Note:

This material is presented for the dissemination of technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In some cases, this work may not be reposted without the explicit permission of the copyright holder.

Publication Type:

Conference/Workshop Paper

Venue:

ICST workshop on Testing Extra-Functional Properties and Quality Characteristics of Software Systems


Abstract

Testing using architectural design models is intended to determine if the realized system meets its specifications, and works as a whole in terms of computational components and interactions among such components. The growing complexity of embedded systems makes testing of extra-functional requirements, like energy usage of components and system, very necessary in order to obtain valid implementations. To achieve this, new techniques that are able to support testing extra-functional properties at high levels of abstraction such as the architectural level are needed. Some architectural languages such as EAST-ADL let designers to annotate the models with resource consumption. However, it is not very well studied how such annotations can be used to generate performance tests, such as energy consumption tests, in an efficient and effective manner. In this paper, we show how architectural models described in EAST-ADL can also be used for testing the energy consumption of embedded systems, after transforming them into networks of formal models called priced timed automata. Assuming an EAST-ADL model annotated with energy usage information, we show how to automatically generate energy-aware test cases based on statistical model-checking of the resulting network of priced timed automata. We automate the generation of executable test cases with UPPAAL SMC using a test strategy based on several random simulation runs of the system. By seeding the original formal model with a set of energy-consumption related faults, we are able to carry out fault detection analysis. We apply this technique on a Brake-by-Wire system from the automotive domain, and evaluate it in terms of efficiency and model fault detection.

Bibtex

@inproceedings{Marinescu4645,
author = {Raluca Marinescu and Eduard Paul Enoiu and Cristina Seceleanu and Daniel Sundmark},
title = {Automatic Test Generation for Energy Consumption of Embedded Systems Modeled in EAST-ADL},
note = {This material is presented for the dissemination of technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In some cases, this work may not be reposted without the explicit permission of the copyright holder.},
month = {March},
year = {2017},
booktitle = {ICST workshop on Testing Extra-Functional Properties and Quality Characteristics of Software Systems},
url = {http://www.es.mdh.se/publications/4645-}
}