[tp] Fix metatrace category parsing Make --metatrace-categories toplevel,function work correctly. Change-Id: I147db4b35894890beb3dec9ff85c117d377030d2
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.