tracing: tp: Add tracing of cpu_capacity from Android sysfs - Add to cpu_info proto, cpu_capacity from sysfs on Android devices Tested by: Flashing user build on a Pixel and recording a trace with tools/record_android_trace Change-Id: Ia05a36fbf0ccc3478c6cdd0a025b7140e7c09db7
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.