The observability framework Kieker provides a range of analysis capabilities, but it is currently only able to instrument a smaller selection of languages and technologies, including Java, C, Fortran, and Python. The OpenTelemetry standard aims for providing reference implementations for most programming languages, including C# and JavaScript, that are currently not supported by Kieker. In this work, we describe how to transform OpenTelemetry tracing data into the Kieker framework. Thereby, it becomes possible to create for example call trees from OpenTelemetry instrumentations. We demonstrate the usability of our approach by visualizing trace data of the Astronomy Shop, which is an OpenTelemetry demo application.

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