TraceProcessor: don't skip log events < first clock snapshot

The code was logically broken. The clock snapshot does NOT always
match the beginning of the trace. It matches the very first time
the buffer is read. In ring-buffer-mode that matches the END
of the trace.

Bug: 122243384
Test: tools/diff_test_trace_processor.py
Change-Id: I25ef68f71c2a32fde150e839daeb43bcf3f727d2
9 files changed
tree: 23f3f7a51dcbb23e060da904b13858e6efbc85eb
  1. build_overrides/
  2. buildtools/
  3. debian/
  4. docs/
  5. gn/
  6. include/
  7. infra/
  8. protos/
  9. src/
  10. test/
  11. tools/
  12. ui/
  13. .clang-format
  14. .gitignore
  15. .gn
  16. .travis.yml
  17. Android.bp
  18. Android.bp.extras
  19. BUILD.gn
  20. codereview.settings
  21. heapprofd.rc
  22. MODULE_LICENSE_APACHE2
  23. NOTICE
  24. OWNERS
  25. perfetto.rc
  26. PRESUBMIT.py
  27. README.chromium
  28. README.md
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.