What is a timing anomaly?

Franck Cassez, René Rydhof Hansen, Mads Chr Olesen

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

10 Citations (Scopus)
6 Downloads (Pure)


Timing anomalies make worst-case execution time analysis much harder, because the analysis will have to consider all local choices. It has been widely recognised that certain hardware features are timing anomalous, while others are not. However, defining formally what a timing anomaly is, has been difficult. We examine previous definitions of timing anomalies, and identify examples where they do not align with common observations. We then provide a definition for consistently slower hardware traces that can be used to define timing anomalies and aligns with common observations.

Original languageEnglish
Title of host publication12th International Workshop on Worst-Case Execution Time Analysis
Subtitle of host publicationWCET’12, July 10, 2012, Pisa, Italy
EditorsTullio Vardanega
Place of PublicationDagstuhl
PublisherDagstuhl Publishing
Number of pages12
ISBN (Print)9783939897415
Publication statusPublished - 2012
Externally publishedYes
Event12th International Workshop on Worst-Case Execution Time Analysis, WCET - 2012 - Pisa, Italy
Duration: 10 Jul 201210 Jul 2012

Publication series

NameOASIcs – OpenAccess Series in Informatics
ISSN (Electronic)2190-6807


Other12th International Workshop on Worst-Case Execution Time Analysis, WCET - 2012


  • Abstractions
  • Timing anomalies
  • Worst case execution time (WCET)


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