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Issue 799624 link

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Issue metadata

Status: Duplicate
Merged: issue 799000
Owner: ----
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.9%-1640.8% regression in thread_times.key_idle_power_cases at 526544:526626

Project Member Reported by benjhayden@chromium.org, Jan 5 2018

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=799624

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7f8fd5ebbbb514d1a923454a5a7941701752deeb3d4a6ed32bfc0ae8a779a146


Bot(s) for this bug's original alert(s):

android-nexus5X
android-nexus7v2
android-webview-nexus5X
android-webview-nexus6
Mergedinto: 799000
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Fadi Meawad
  Commit : b85b48382bd9087a89afdc6fe0ac33dd71f1487e
  Date   : Wed Jan 03 02:18:33 2018
  Subject: Revert "Reland "[PageLifecyle] Move the launch process state to Webkit/common""

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : thread_total_all_cpu_time_per_second/set-timeout.html (Long Idle)
  Change       : 1601.00% | 1.54882234362 -> 26.345455731

Revision             Result                    N
chromium@526574      1.54882 +- 0.0639713      6      good
chromium@526580      1.5212 +- 0.0601787       6      good
chromium@526583      1.53631 +- 0.0346119      6      good
chromium@526585      1.56002 +- 0.0109237      6      good
chromium@526586      26.6519 +- 0.338128       6      bad       <--
chromium@526597      25.3772 +- 2.74114        6      bad
chromium@526619      26.3455 +- 0.271444       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=set.timeout.html..Long.Idle. thread_times.key_idle_power_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8958197891344256256


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Fadi Meawad
  Commit : b85b48382bd9087a89afdc6fe0ac33dd71f1487e
  Date   : Wed Jan 03 02:18:33 2018
  Subject: Revert "Reland "[PageLifecyle] Move the launch process state to Webkit/common""

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : thread_total_all_cpu_time_per_second/set-timeout.html
  Change       : 1431.19% | 1.62152638341 -> 24.8286539585

Revision             Result                    N
chromium@526574      1.62153 +- 0.0724918      6      good
chromium@526580      1.60363 +- 0.0376871      6      good
chromium@526583      1.62058 +- 0.0990232      6      good
chromium@526585      1.65772 +- 0.0995206      6      good
chromium@526586      24.8424 +- 1.87822        6      bad       <--
chromium@526597      25.5551 +- 1.9679         6      bad
chromium@526619      24.8287 +- 1.61468        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=set.timeout.html thread_times.key_idle_power_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8958197869961445904


For feedback, file a bug with component Speed>Bisection

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