protos: Add comments to the various profiler protos This CL just adds some comments to explain which packets comes from which profilers. Change-Id: I1e1758d423881f4a75ff623b5f8ca5193e16378d
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.