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Issue 800058 link

Starred by 1 user
Status: Duplicate
Merged: issue 799629
Owner: ----
Closed: Jan 2018
Cc:
mustaq@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5%-26.8% regression in smoothness.tough_filters_cases at 526715:526907

Project Member Reported by mustaq@chromium.org, Jan 8 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 8 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=800058

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=4197015768502bbf7907f820adbdbecf5f5c06e4675dab750394f169773923af


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one
android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 8 2018 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : mean_input_event_latency/Blogger

Revision             Result                  N
chromium@526714      21.9707 +- 3.47542      21      good
chromium@526855      22.2541 +- 6.87083      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Blogger smoothness.gpu_rasterization.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957936723820664944


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jan 9 2018

Mergedinto: 799629
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : George Burgess IV
  Commit : 274d75742451914f74bbad40c405da7f902dd232
  Date   : Wed Jan 03 23:22:46 2018
  Subject: Turn on AFDO for Chromium on Android

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.tough_filters_cases
  Metric       : frame_times/Filter_Terrain_SVG
  Change       : 6.89% | 248.511459509 -> 265.636655642

Revision             Result                  N
chromium@526795      248.511 +- 3.3299       6      good
chromium@526833      246.834 +- 4.73098      6      good
chromium@526852      248.007 +- 5.47345      6      good
chromium@526857      247.665 +- 2.5986       6      good
chromium@526858      268.027 +- 4.57979      6      bad       <--
chromium@526859      267.015 +- 2.0234       6      bad
chromium@526861      267.427 +- 3.54181      6      bad
chromium@526870      265.637 +- 4.62804      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=Filter.Terrain.SVG smoothness.tough_filters_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957865906583094896


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 9 2018 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : mean_input_event_latency/Blogger

Revision             Result                  N
chromium@526714      18.4662 +- 5.5067       21      good
chromium@526855      18.5251 +- 3.86196      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Blogger smoothness.gpu_rasterization.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957865869800997264


For feedback, file a bug with component Speed>Bisection
►

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