Add the check of the most active process for slow_start_reason, updated the runnable check from R to R*: 1. Get the most active process; 2. Check the runnable duration over threshold; Bug: 242184600 Test: Unit and Diff tests, slow start pftraces. Change-Id: I40f19d89936fda96dce5b3fd590ee5f57f89a575
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.