metrics: add mcycles breakdown by core type to startup metric This CL adds a per-core type mcycle counter for each startup. Change-Id: I28135a8d45d575171df43b9577368447288f107d Bug: 183956291
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.