Expressing performance requirements using regular expressions to specify stochastic probes over process algebra models

  • Authors:
  • Ashok Argent-Katwala;Jeremy T. Bradley;Nicholas J. Dingle

  • Affiliations:
  • Imperial College London, London, United Kingdom;Imperial College London, London, United Kingdom;Imperial College London, London, United Kingdom

  • Venue:
  • WOSP '04 Proceedings of the 4th international workshop on Software and performance
  • Year:
  • 2004

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Abstract

This paper describes how soft performance bounds can be expressed for software systems using stochastic probes over stochastic process algebra models. These stochastic probes are specified using a regular expression syntax that describes the behaviour that must be observed in a model before a performance measurement can be started or stopped. We demonstrate the use of stochastic probes on a 661, 960 state parallel, redundant web server model to verify its passage-time performance characteristics.