Automatic Instrumentation is a process of adding tracing capabilities into user application without modifying its source code. There are several techniques to do that, but all of them more or less work in the same way by injecting additional code into original one during compile time, link time, run-time or by extending the operating system in case of eBPF. This blog post presents method used by OpenTelemetry PHP auto-instrumentation. Prerequisites To use the PHP auto-instrumentation, you’l...
