Show UI warnings for common patterns leading to jank

Ports some of the alerts from Catapult (legacy UI).
Using stricter thresholds for now, as we do not yet have a good way to
detect missed frames. Also limiting the warnings to a few selected
processes until derived events can be generated per-process.

https://screenshot.googleplex.com/G3UGeqzPcSFNHPP

Bug: 161781469
Change-Id: I40e260a4031254c2f7fc65d818cd98382b9b937f
17 files changed
tree: 2223d56fc0cf3c623d0fe152e470c4147af8cd8b
  1. .github/
  2. bazel/
  3. build_overrides/
  4. buildtools/
  5. debian/
  6. docs/
  7. examples/
  8. gn/
  9. include/
  10. infra/
  11. protos/
  12. src/
  13. test/
  14. tools/
  15. ui/
  16. .clang-format
  17. .clang-tidy
  18. .gitattributes
  19. .gitignore
  20. .gn
  21. .style.yapf
  22. Android.bp
  23. Android.bp.extras
  24. BUILD
  25. BUILD.extras
  26. BUILD.gn
  27. CHANGELOG
  28. codereview.settings
  29. heapprofd.rc
  30. LICENSE
  31. METADATA
  32. MODULE_LICENSE_APACHE2
  33. OWNERS
  34. perfetto.rc
  35. PRESUBMIT.py
  36. README.chromium
  37. README.md
  38. TEST_MAPPING
  39. traced_perf.rc
  40. WORKSPACE
README.md

Perfetto - System profiling, app tracing and trace analysis

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.