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DOI: 10.4230/OASIcs.WCET.2005.807

Issues using the Nexus Interface for Measurement-Based WCET Analysis

Authors: Adam Betts and Guillem Berant

Published in: OASIcs, Volume 1, 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05) (2007)

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.

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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)

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@InProceedings{betts_et_al:OASIcs.WCET.2005.807,
  author =	{Betts, Adam and Berant, Guillem},
  title =	{{Issues using the Nexus Interface for Measurement-Based WCET Analysis}},
  booktitle =	{5th International Workshop on Worst-Case Execution Time Analysis (WCET'05)},
  pages =	{9--12},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-24-8},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{1},
  editor =	{Wilhelm, Reinhard},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2005.807},
  URN =		{urn:nbn:de:0030-drops-8076},
  doi =		{10.4230/OASIcs.WCET.2005.807},
  annote =	{Keywords: Nexus interface, Measurememt-Based WCET analysis}
}

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Issues using the Nexus Interface for Measurement-Based WCET Analysis

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