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flutter / third_party / perfetto / 07d02b088a65ea8d267f92052d9b598a92e2ab77
commit07d02b088a65ea8d267f92052d9b598a92e2ab77[log] [tgz]
authorOmar Elmekkawy <mekk@google.com>Tue Dec 14 20:36:36 2021 +0000
committerOmar Elmekkawy <mekk@google.com>Wed Dec 15 16:28:16 2021 +0000
tree4fa94a9095440a1c210ce7ca5f3ebd5a5a4ff439
parent22467673a50f5599e7d8b1f49982faf7c1bc30d9 [diff]
Improve CPU time accuracy by using thread_slice.

Previously we were performing multiple joins with the counter table, afterwards we get the data pre-joined by trace processor. This improves speed as well as accuracy since we know which slice generated which CPU timestamp.
Bug: 209995826
Change-Id: I4cd60421ccc351f1babe2d8a16164ba333312b0e
Testing: tools/diff_test_trace_processor.py out/android/trace_processor_shell
[==========] 287 tests ran. (535925 ms total)
[  PASSED  ] 287 tests
13 files changed
tree: 4fa94a9095440a1c210ce7ca5f3ebd5a5a4ff439
  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. DIR_METADATA
  30. heapprofd.rc
  31. LICENSE
  32. meson.build
  33. METADATA
  34. MODULE_LICENSE_APACHE2
  35. OWNERS
  36. perfetto.rc
  37. PerfettoIntegrationTests.xml
  38. PRESUBMIT.py
  39. README.chromium
  40. README.md
  41. TEST_MAPPING
  42. traced_perf.rc
  43. 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.