tp: stop using magic constants in tests Bug: 174825244 Change-Id: I0672a5e3b2c4633e81a8c99ec8b21892673d5fc9
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.