OASIcs.WCET.2005.807.pdf
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Issues using the Nexus Interface for Measurement-Based WCET Analysis
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Volume:
5th International Workshop on Worst-Case Execution Time Analysis (WCET'05) (WCET 2005)
Series: Open Access Series in Informatics (OASIcs)
Conference: Workshop on Worst-Case Execution Time Analysis (WCET) - License:
Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license
- Publication Date: 2007-03-29
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Adam Betts and Guillem Berant. Issues using the Nexus Interface for Measurement-Based WCET Analysis. In 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05). Open Access Series in Informatics (OASIcs), Volume 1, pp. 9-12, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)
https://doi.org/10.4230/OASIcs.WCET.2005.807
https://doi.org/10.4230/OASIcs.WCET.2005.807
Abstract
Hardware debug interfaces such as Nexus have
the power to unleash the full potential of
measurement-based WCET approaches due to the
passive nature in which timing data are collected
from the processor. However, difficulties arise as a
result of their restrictive nature, thus disallowing
true user freedom in the selection of instrumenta-
tion point placement. This paper elaborates on the
problems encountered when using the Nexus inter-
face in our measurement-based WCET framework,
and how some of these issues can be resolved, par-
ticularly that of irreducibility.
Keywords
- Nexus interface
- Measurememt-Based WCET analysis
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