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Towards WCET Analysis of Multicore Architectures using UPPAAL
Note:
ISBN: 978-3-85403-268-7
Publication Type:
Conference/Workshop Paper
Venue:
Proceedings of the 10th International Workshop on Worst-Case Execution Time Analysis
Publisher:
Österreichische Computer Gesellschaft
Abstract
To take full advantage of the increasingly used shared-memory multicore architectures, software algorithms
will need to be parallelized over multiple threads. This means that threads will have to share
resources (e.g. some level of cache) and communicate and synchronize with each other. There already
exist software libraries (e.g. OpenMP) used to explicitly parallelize available sequential C/C++ and
Fortran code, which means that parallel code could be easily obtained.To be able to use parallel software running on multicore architectures in embedded systems with hard
real-time constraints, new WCET (Worst-Case Execution Time) analysis methods and tools must be
developed. This paper investigates a method based on model-checking a system of timed automata
using the UPPAAL tool box. It is found that it is possible to perform WCET analysis on (not too large
and complex) parallel systems using UPPAAL. We also show how to model thread synchronization
using spinlock-like primitives.
Bibtex
@inproceedings{Gustavsson1813,
author = {Andreas Gustavsson and Andreas Ermedahl and Bj{\"o}rn Lisper and Paul Pettersson},
title = {Towards WCET Analysis of Multicore Architectures using UPPAAL},
note = {ISBN: 978-3-85403-268-7},
pages = {103--113},
month = {July},
year = {2010},
booktitle = {Proceedings of the 10th International Workshop on Worst-Case Execution Time Analysis},
publisher = {{\"O}sterreichische Computer Gesellschaft},
url = {http://www.es.mdu.se/publications/1813-}
}