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Issue 725948 link

Starred by 1 user
Status: Duplicate
Merged: issue 725949
Owner: ----
Closed: Jun 2017
Cc:
█ pmeenan@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.9%-2.6% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 473947:473989

Project Member Reported by pmeenan@chromium.org, May 24 2017 
See the link to graphs below.
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 24 2017 


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

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : frame_times/https___plus.google.com_app_basic_110031535020051778989_posts?source_apppromo

Revision             Result                   N
chromium@473946      17.265 +- 0.426768       21      good
chromium@473989      17.2803 +- 0.475707      21      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=https...plus.google.com.app.basic.110031535020051778989.posts.source.apppromo smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978699902063170544

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5867743103942656


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, May 24 2017 


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

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : frame_times/https___plus.google.com_app_basic_110031535020051778989_posts?source_apppromo

Revision             Result                   N
chromium@473946      17.2977 +- 0.577334      21      good
chromium@473989      17.2774 +- 0.558198      21      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=https...plus.google.com.app.basic.110031535020051778989.posts.source.apppromo smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978684160042672464

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5867743103942656


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jun 12 2017

Mergedinto: 725949
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : sadrul
  Commit : a6251cb3214b42349e7208d285a5e2e01276fe6f
  Date   : Tue May 23 16:06:27 2017
  Subject: input: Dispatch synthesized events at regular intervals.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___www.wowwiki.com_World_of_Warcraft__Mists_of_Pandaria
  Change       : 47.02% | 25.7606666667 -> 37.8723333333

Revision             Result                   N
chromium@473000      25.7607 +- 5.20267       6      good
chromium@473550      26.0347 +- 3.64995       6      good
chromium@473825      24.0858 +- 0.926143      6      good
chromium@473894      26.0343 +- 3.72033       6      good
chromium@473912      25.9378 +- 6.45112       9      good
chromium@473921      27.9784 +- 14.2723       9      good
chromium@473922      37.0716 +- 6.03864       9      bad       <--
chromium@473923      36.7336 +- 2.50946       9      bad
chromium@473925      36.7119 +- 4.07829       9      bad
chromium@473929      36.3203 +- 3.10081       9      bad
chromium@473963      36.4422 +- 3.74517       6      bad
chromium@474100      37.8723 +- 6.729         6      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=http...www.wowwiki.com.World.of.Warcraft..Mists.of.Pandaria smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976999668464972896

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5059658085040128


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Jun 12 2017 


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

Suspected Commit
  Author : sadrul
  Commit : a6251cb3214b42349e7208d285a5e2e01276fe6f
  Date   : Tue May 23 16:06:27 2017
  Subject: input: Dispatch synthesized events at regular intervals.

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : mean_input_event_latency/Blogger
  Change       : 84.44% | 7.3195 -> 13.4998333333

Revision             Result                   N
chromium@473850      7.3195 +- 0.889821       6      good
chromium@473893      7.534 +- 1.17133         6      good
chromium@473914      7.42983 +- 1.20714       6      good
chromium@473920      7.08033 +- 0.273593      6      good
chromium@473921      7.16167 +- 0.64855       6      good
chromium@473922      14.1975 +- 6.37919       6      bad       <--
chromium@473923      13.0928 +- 3.84083       6      bad
chromium@473925      13.5977 +- 2.6355        6      bad
chromium@473935      13.0997 +- 1.98001       6      bad
chromium@474020      13.4998 +- 1.70376       6      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.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976999630883111664

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5775027166773248


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
►

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