Fix warning in implicit_segment_forest.h __builtin_ctzl() expects an unsigned long. clang (for some reason only on a windows build) complains that `~len` might be `unsigned long long`. Change-Id: Iac59d1aa379c006095bc4e09204297301e030cb3
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.