add time_to_running_state for the duration between launch and app start time. Bug: 289134538 Test: Unit/Diff tests. Change-Id: I626b050f96fc3eefcc2ec9c0e25baf4ef46b16ef
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.