tp: add perf sample tracks per thread Bug: 227648297 Fixes: https://github.com/google/perfetto/issues/425 Change-Id: I1acdfa953b04a3f5456d40e30bee587987d33d50
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.