PacketStreamValidator: get rid of libprotobuf

Rewrite the PacketStreamValidator getting rid of the libprotobuf
dependency. This makes also the validator 2x more efficient.

Test: perfetto_benchmarks --benchmark_filter=BM_PacketStreamValidator
      Arm64 (Pixel 3): 940ns (ToT) vs 380ns (this CL)
      x864_64 (MBP):   237ns (ToT) vs 111ns (this CL)

Bug: 132880619
Change-Id: I88827972dd40e82aa1d03b96d52516e3893b920d
5 files changed
tree: f42d3d44c2375ea64c296e30abda5086de24d479
  1. bazel/
  2. build_overrides/
  3. buildtools/
  4. debian/
  5. docs/
  6. gn/
  7. include/
  8. infra/
  9. protos/
  10. src/
  11. test/
  12. tools/
  13. ui/
  14. .clang-format
  15. .gitignore
  16. .gn
  17. Android.bp
  18. Android.bp.extras
  19. BUILD
  20. BUILD.extras
  21. BUILD.gn
  22. codereview.settings
  23. heapprofd.rc
  24. MODULE_LICENSE_APACHE2
  25. NOTICE
  26. OWNERS
  27. perfetto.rc
  28. PRESUBMIT.py
  29. README.chromium
  30. README.md
  31. TEST_MAPPING
  32. WORKSPACE
README.md

Perfetto - Performance instrumentation and tracing

Perfetto is an open-source project for performance instrumentation and tracing of Linux/Android/Chrome platforms and user-space apps.

See www.perfetto.dev for docs.

Bugs

  • For bugs affecting Android or the tracing internals use the internal bug tracker (go/perfetto-bugs).
  • For bugs affecting Chrome use http://crbug.com, Component:Speed>Tracing label:Perfetto.