tp: add script to serialize test python/textproto traces This has been a recurring need when debugging python/textproto diff tests. Change-Id: Iba1ce444831a1f69ff7c90945077f4c5c22bb2ec
Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.
See https://perfetto.dev/docs or the /docs/ directory for documentation.