misc python scripts: use raw strings to avoid syntax warnings Afaict, this changed in python 3.6, and strings are trying to parse escapes such as \w as UTF escapes, failing, printing a warning, and then leaving the contents untouched. Using raw strings avoids the warnings. I didn't do a comprehensive sweep of all python files, just fixed up the warnings seen during presubmits. Change-Id: I66bdf8de8f4191d2b62f06fa8e9ab7abbd530f48
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.