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Measurement and Simulation Based Techniques for Real-Time Systems Analysis
Note:
See thesis with the same title for PDF or PS file.
Publication Type:
Report - MRTC
ISRN:
MDH-MRTC-33/2000-1-SE
Abstract
Rigorous methods for design and implementation of safety critical
real-time systems are vital to avoid loss of human lives and/or severe
economic losses.
Unfortunately, many of these systems are designed
and evaluated using ad-hoc techniques.
There are, on the other hand, relatively well developed
theories for modeling and analysis of timing and reliability.
These theories are, however, seldom applied in industry for
system development, mainly because of the simplifying model assumptions
and lack of appropriate tool support. <BR>This thesis presents two new methods aimed to narrow the gap between
research results and industrial practice in
evaluation and design of real-time systems. <BR>The first contribution is a technique that can be used to derive
worst-case execution time estimates for real-time software
by measurments on the target system.
Such estimates are
essential when verifying if a system fulfills its timing
requirements. The second contribution is a
simulation based technique that can be used to evaluate timing aspects
of distributed
real-time systems, as well as calculating reliability estimates of these
systems. Such estimates are essential in determining if a system
meets its requirements sufficiently well. Compared to existing analytical
methods for execution time analysis and schedulability analysis, which
analyze models of the hardware, the starting point for both these
methods are real target systems, rather than an abstract model with
limited correspondance to reality. <BR>The presented initial case-studies give clear evidence that the
proposed methods have potential of being both applicable and useful.
Bibtex
@techreport{Lindgren418,
author = {Markus Lindgren},
title = {Measurement and Simulation Based Techniques for Real-Time Systems Analysis},
note = {See thesis with the same title for PDF or PS file.},
number = {ISSN 1404-3041 ISRN MDH-MRTC-33/2000-1-SE},
month = {December},
year = {2000},
url = {http://www.es.mdu.se/publications/418-}
}