[ui] Support CPU idle ratio rendering & address coloring on tracks V2. - Add "fillRatio" to allow ratios to be displayed on slices: - E.g. cpu idle time on chrome slices. - Fix highlight colorization. - Change title color depending on slice perceived brightness. - Tweaked & added functionality to the color library. Change-Id: I2f10ba7fbda2d7359cd34f598b8aedab0a703724
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.