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flutter / third_party / perfetto / d943da40ee36009215379d08288339b07abc2d74
commitd943da40ee36009215379d08288339b07abc2d74[log] [tgz]
authorAnna Mayzner <mayzner@google.com>Tue May 07 12:42:55 2024 +0000
committerAnna Mayzner <mayzner@google.com>Tue May 07 12:42:55 2024 +0000
tree591acece9eaac5ea877337f87a775acc3bcd61e5
parent16f039d5ac2c7a6aa93c1dfc65af3fd6ece7e571 [diff]
tp: Enable in-house LIMIT and OFFSET in Perfetto

```
---------------------------------------------------------------------------------
Benchmark                 Time             CPU   Iterations      s/out      s/row
---------------------------------------------------------------------------------
BM_QEOffsetLimit       16.9 ns         16.9 ns     41670492  1.69303ns  45.6727fs
```
Query `SELECT * FROM ftrace_event LIMIT 10 OFFSET 5;` went from 28ms to 0ms on 300MB trace.


Change-Id: I8212b88a64f6ef6656d3f2eda72bcb6bdac13cc8
6 files changed
tree: 591acece9eaac5ea877337f87a775acc3bcd61e5
  1. .github/
  2. bazel/
  3. build_overrides/
  4. buildtools/
  5. debian/
  6. docs/
  7. examples/
  8. gn/
  9. include/
  10. infra/
  11. protos/
  12. python/
  13. src/
  14. test/
  15. third_party/
  16. tools/
  17. ui/
  18. .clang-format
  19. .clang-tidy
  20. .git-blame-ignore-revs
  21. .gitattributes
  22. .gitignore
  23. .gn
  24. .style.yapf
  25. Android.bp
  26. Android.bp.extras
  27. BUILD
  28. BUILD.extras
  29. BUILD.gn
  30. CHANGELOG
  31. codereview.settings
  32. DIR_METADATA
  33. heapprofd.rc
  34. LICENSE
  35. meson.build
  36. METADATA
  37. MODULE_LICENSE_APACHE2
  38. OWNERS
  39. perfetto.rc
  40. PerfettoIntegrationTests.xml
  41. persistent_cfg.pbtxt
  42. PRESUBMIT.py
  43. README.chromium
  44. README.md
  45. TEST_MAPPING
  46. traced_perf.rc
  47. WATCHLISTS
  48. 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.