Multiscale visualization of dynamic software logs

Authors:
Sergio Moreta;Alexandru Telea
Affiliations:
Department of Mathematics and Computer Science, Technische Universiteit Eindhoven, the Netherlands;Department of Mathematics and Computer Science, Technische Universiteit Eindhoven, the Netherlands
Venue:
EUROVIS'07 Proceedings of the 9th Joint Eurographics / IEEE VGTC conference on Visualization
Year:
2007

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Abstract

We present a set of techniques and design principles for the visualization of large dynamic software logs consisting of attributed change events, such as obtained from instrumenting programs or mining software repositories. We enhance the visualization scalability with importance-based antialiasing techniques that guarantee visibility of several types of events. We present a hierarchical clustering method that uncovers several patterns of interest in the event logs, such as same-lifetime memory allocations and software releases. We visualize the clusters using a new type of technique called interleaved cushions. We demonstrate our methods on two real-world problems: the monitoring of a dynamic memory allocator and the analysis of a software repository.