Issues using the Nexus Interface for Measurement-Based WCET Analysis

Betts, Adam; Berant, Guillem

doi:10.4230/OASIcs.WCET.2005.807

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Issues using the Nexus Interface for Measurement-Based WCET Analysis

Authors Adam Betts, Guillem Berant

Part of: Volume: 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05) (WCET 2005)
Part of: Series: Open Access Series in Informatics (OASIcs)
Part of: 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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Document Identifiers

DOI: 10.4230/OASIcs.WCET.2005.807
URN: urn:nbn:de:0030-drops-8076

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Keywords

Nexus interface
Measurememt-Based WCET analysis

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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.

Cite As Get BibTex

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

Author Details

Adam Betts

Guillem Berant

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