tp: add support for hot reloading metrics This addition significantly improves the metric writing experience as we can make changes and see the results essentially instantly. Change-Id: Ifa1da1d61c75b381aa1ee09ad1834b24a6e47408 Bug: 190219056
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.