An entropy-based algorithm for time-driven software instrumentation in parallel systems

  • Authors:
  • Ahmet Özmen

  • Affiliations:
  • Dumlupinar University, Dept. of Electrical and Electronics Engineering, Kütahya, Turkey

  • Venue:
  • IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
  • Year:
  • 2006

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Abstract

While monitoring, instrumented long running parallel applications generate huge amount of instrumentation data. Processing and storing this data incurs overhead, and perturbs the execution. Techniques that eliminates unnecessary instrumentation data and lower the intrusion without loosing any performance information is valuable to tool developers. This paper presents a new algorithm for software instrumentation to measure the amount of information content of instrumentation data to be collected. The algorithm is based on entropy concept introduced in information theory, and it makes selective data collection for a time-driven software monitoring system possible.