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WCET and Mixed-Criticality: What does Confidence in WCET Estimations Depend Upon?

Fulltext:


Authors:

Sebastian Altmeyer , Björn Lisper, Claire Maiza , Jan Reineke , Christine Rochange

Research group:


Publication Type:

Conference/Workshop Paper

Venue:

15th International Workshop on Worst-Case Execution Time Analysis

Publisher:

Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik

DOI:

http://dx.doi.org/10.4230/OASIcs.WCET.2015.65


Abstract

Mixed-criticality systems integrate components of different criticality. Different criticality levels require different levels of confidence in the correct behavior of a component. One aspect of correctness is timing.Confidence in worst-case execution time (WCET) estimates depends on the process by which they have been obtained. A somewhat naive view is that static WCET analyses determines safe bounds in which we can have absolute confidence, while measurement-based approaches are inherently unreliable. In this paper, we refine this view by exploring sources of doubt in the correctness of both static and measurement-based WCET analysis.

Bibtex

@inproceedings{Altmeyer3982,
author = {Sebastian Altmeyer and Bj{\"o}rn Lisper and Claire Maiza and Jan Reineke and Christine Rochange},
title = {WCET and Mixed-Criticality: What does Confidence in WCET Estimations Depend Upon?},
editor = {Francisco J. Cazorla},
pages = {65--74},
month = {July},
year = {2015},
booktitle = {15th International Workshop on Worst-Case Execution Time Analysis},
publisher = {Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik},
url = {http://www.es.mdh.se/publications/3982-}
}