Package event contains functionality related to APM event extraction from traces.

Package metrics exposes utilities for setting up and using a sub-set of Datadog's dogstatsd client.

Package obfuscate implements quantizing and obfuscating of tags and resources for a set of spans matching a certain criteria.

Package pb is a generated protocol buffer package.

Package sampler contains all the logic of the agent-side trace sampling Currently implementation is based on the scoring of the "signature" of each trace Based on the score, we get a sample rate to apply to the given trace Current score implementation is super-simple, it is a counter with polynomial decay per signature.

Package test provides utilities for running integration tests on the trace agent.

Package traceutil contains functions for extracting and processing traces.