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Where’s the Auto in Auto-Instrumentation? A Look at Current Automation Strategies with OTel - Joshua Lee, Altinity

“Automatic Instrumentation” can mean a lot of things depending on context. Whether we’re discussing the Instrumentation SDKs or full-kernel observability with eBPF, the promise is the same: end-to-end observability coverage with no custom code and minimal setup.

First, I will review how the different mechanisms available for automatic instrumentation work within each of the 11 languages supported by OpenTelemetry. I’ll examine:

how code-path instrumentation works at the library level by diving into the Node.js OpenTelemetry Extension and the JavaScript libraries it supports
automatic instrumentation via attachment with Java and Python
automatic instrumentation injection using the OTel Operator for DotNet, Java, and NodeJS

Finally, I’ll take a peek at the future of automatic instrumentation of compiled binaries with a look at the Go instrumentation library built using eBPF.

In this talk will attempt to clarify the different mechanisms that are often colloquially lumped under the term “Auto-Instrumentation” and help to clarify for end users exactly what is possible within each supported language.