Application-specific trace compression for low bandwidth trace logging

Authors:
Roy S. Shea;Young H. Cho;Mani B. Srivastava
Affiliations:
University of Los Angeles, California, Los Angeles, CA, USA;University of Los Angeles, California, Los Angeles, CA, USA;University of Los Angeles, California, Los Angeles, CA, USA
Venue:
Proceedings of the 6th ACM conference on Embedded network sensor systems
Year:
2008

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Abstract

This poster introduces an application-specific trace log compression mechanism targeted for execution on wireless sensor network nodes. Trace logs capture sequences of significant events executed on a node to provide visibility into the system. The application-specific compression mechanism exploits static program control flow knowledge to automate insertion of trace statements that capture trace data in a concise form. Initial evaluation reveals that these compressed trace logs, when generated, consume just over a fifth of the space required by standard trace logging techniques.