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chromium / chromium / src / b662344af8f1b851ae642d9288c31d1fa554d024
commitb662344af8f1b851ae642d9288c31d1fa554d024[log] [tgz]
authorAlex Clarke <alexclarke@chromium.org>Tue Mar 05 14:15:18 2019
committerCommit Bot <commit-bot@chromium.org>Tue Mar 05 14:15:18 2019
treede73d731d412f11b4afcaa784253a7fd8403061a
parent6bd571141e03f0ea845fd91dee52f354b52b105d [diff]
Speculative fix for TaskQueueImpl::PostImmediateTaskImpl priority inversion

It turns out base::MessagePumpForUI::ScheduleWork() can be surprisingly expensive on
the IO thread on windows. See:
https://uma.googleplex.com/p/chrome/callstacks?sid=ad8c32eaded1021fafa922b9cc2f320f

We suspect this is a priority inversion, For more details see:
https://groups.google.com/a/chromium.org/forum/#!msg/scheduler-dev/jYA3SYZ1aDc/7lz1P-GvDQAJ

Bug: 930834
Change-Id: I7a95d0da1f650556589a82704fa3868777ca573b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1503325
Commit-Queue: Alex Clarke <alexclarke@chromium.org>
Reviewed-by: Sami Kyöstilä <skyostil@chromium.org>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#637680}
1 file changed
tree: de73d731d412f11b4afcaa784253a7fd8403061a
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. buildtools/
  8. cc/
  9. chrome/
  10. chrome_elf/
  11. chromecast/
  12. chromeos/
  13. cloud_print/
  14. components/
  15. content/
  16. courgette/
  17. crypto/
  18. dbus/
  19. device/
  20. docs/
  21. extensions/
  22. fuchsia/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. jingle/
  32. media/
  33. mojo/
  34. native_client_sdk/
  35. net/
  36. pdf/
  37. ppapi/
  38. printing/
  39. remoting/
  40. rlz/
  41. sandbox/
  42. services/
  43. skia/
  44. sql/
  45. storage/
  46. styleguide/
  47. testing/
  48. third_party/
  49. tools/
  50. ui/
  51. url/
  52. .clang-format
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .vpython
  59. AUTHORS
  60. BUILD.gn
  61. CODE_OF_CONDUCT.md
  62. codereview.settings
  63. DEPS
  64. ENG_REVIEW_OWNERS
  65. LICENSE
  66. LICENSE.chromium_os
  67. OWNERS
  68. PRESUBMIT.py
  69. PRESUBMIT_test.py
  70. PRESUBMIT_test_mocks.py
  71. README.md
  72. WATCHLISTS
README.md

Logo Chromium

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.

The project's web site is https://www.chromium.org.

Documentation in the source is rooted in docs/README.md.

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