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A Definition and Classification of Timing Anomalies

Authors: Jan Reineke, Björn Wachter, Stefan Thesing, Reinhard Wilhelm, Ilia Polian, Jochen Eisinger, and Bernd Becker

Published in: OASIcs, Volume 4, 6th International Workshop on Worst-Case Execution Time Analysis (WCET'06) (2006)


Abstract
Timing Anomalies are characterized by counterintuitive timing behaviour. A locally faster execution leads to an increase of the execution time of the whole program. The presence of such behaviour makes WCET analysis more difficult: It is not safe to assume local worst-case behaviour wherever the analysis encounters uncertainty. Existing definitions of Timing Anomalies are rather imprecise and intuitive in nature. Some do not cover all kinds of known Timing Anomalies. After giving an overview of related work, we give a concise formal definition of Timing Anomalies. We then begin to identify different classes of anomalies. One of these classes, coined Scheduling Timing Anomalies, coincides with previous restricted definitions.

Cite as

Jan Reineke, Björn Wachter, Stefan Thesing, Reinhard Wilhelm, Ilia Polian, Jochen Eisinger, and Bernd Becker. A Definition and Classification of Timing Anomalies. In 6th International Workshop on Worst-Case Execution Time Analysis (WCET'06). Open Access Series in Informatics (OASIcs), Volume 4, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)


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@InProceedings{reineke_et_al:OASIcs.WCET.2006.671,
  author =	{Reineke, Jan and Wachter, Bj\"{o}rn and Thesing, Stefan and Wilhelm, Reinhard and Polian, Ilia and Eisinger, Jochen and Becker, Bernd},
  title =	{{A Definition and Classification of Timing Anomalies}},
  booktitle =	{6th International Workshop on Worst-Case Execution Time Analysis (WCET'06)},
  pages =	{1--6},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-03-3},
  ISSN =	{2190-6807},
  year =	{2006},
  volume =	{4},
  editor =	{Mueller, Frank},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2006.671},
  URN =		{urn:nbn:de:0030-drops-6713},
  doi =		{10.4230/OASIcs.WCET.2006.671},
  annote =	{Keywords: Timing analysis, Worst-case execution time, Timing anomalies, Scheduling Anomalies, Abstraction}
}