stdlib: Add freq and idle state CPU slices Adds new files under cpu/freq.sql and cpu/idle.sql that respectively correspond to every frequency change or every idle state change on every CPU. Bug: 329507878 Change-Id: I86571bac470bae31caf770f8d514caf97f92bc1d Signed-off-by: Samuel Wu <wusamuel@google.com>
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.