Exploiting the Analogy Between Traces and Signal Processing

  • Authors:
  • Adrian Kuhn;Orla Greevy

  • Affiliations:
  • University of Bern, Switzerland;University of Bern, Switzerland

  • Venue:
  • ICSM '06 Proceedings of the 22nd IEEE International Conference on Software Maintenance
  • Year:
  • 2006

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Abstract

The main challenge of dynamic analysis is the huge volume of data, making it difficult to extract high level views. Most techniques developed so far adopt a finegrained approach to address this issue. In this paper we introduce a novel approach representing entire traces as signals in time. Drawing this analogy between dynamic analysis and signal processing, we are able to access a rich toolkit of well-established and ready-to-use analysis techniques. As an application of this analogy, we show how to fit a visualization of the complete feature space of a system on one page only: our approach visualizes feature traces as time plots, summarizes the trace signals and uses Dymanic Time Warping to group them by similar features. We apply the approach on a case study, and discuss both common and unique patterns as observed on the visualization.