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Detailed diagnostic data is a prerequisite for debugging problems and understanding runtime performance in distributed embedded wireless systems. Severe bandwidth limitations, tight timing constraints, and limited program text space hinder the application of standard diagnostic tools within this domain. The work introduces the Log Instrumentation Specification (LIS) that drives insertion of low overhead logging calls into a system. The LIS language is easy for developers to directly integrate into their daily work flow and, by acting as an intermediary language, facilitates rapid construction of higher level analysis.
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