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Issue 779810 link

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Issue metadata

Status: Duplicate
Merged: issue 778587
Owner: ----
Closed: Oct 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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105.7%-231.8% regression in smoothness.gpu_rasterization.top_25_smooth at 511313:511424

Project Member Reported by briander...@chromium.org, Oct 30 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 30 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779810

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=92ed14c6cefe6e87c15174730d0af5c6fff531e608466b81496921f26de435ab


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

android-nexus5X
android-nexus6
android-one
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Oct 31 2017

Mergedinto: 778587
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : David Bokan
  Commit : dbab215523c8d77a7b54fcf3776357b079c36899
  Date   : Tue Oct 24 14:24:10 2017
  Subject: Fix telemetry gesture speeds

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : input_event_latency_discrepancy/http___www.ebay.com
  Change       : 222.41% | 27.2296666667 -> 87.79145

Revision                                 Result                  N
chromium@511382                          27.2297 +- 1.84621      6      good
chromium@511396                          28.9566 +- 7.04587      6      good
chromium@511397                          28.9684 +- 9.47355      6      good
chromium@511397,catapult@f9691b256a      27.8967 +- 7.76949      6      good
chromium@511397,catapult@dbab215523      81.6203 +- 34.3163      6      bad       <--
chromium@511397,catapult@2f4cf37a9f      81.95 +- 36.4578        6      bad
chromium@511398                          79.0331 +- 40.352       6      bad
chromium@511400                          82.2078 +- 40.2111      6      bad
chromium@511403                          79.8236 +- 43.2518      6      bad
chromium@511410                          87.7915 +- 20.5526      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.ebay.com 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/8964269791987614624


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

Comment 5 by 42576172...@developer.gserviceaccount.com, Oct 31 2017


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

Suspected Commit
  Author : David Bokan
  Commit : dbab215523c8d77a7b54fcf3776357b079c36899
  Date   : Tue Oct 24 14:24:10 2017
  Subject: Fix telemetry gesture speeds

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : input_event_latency_discrepancy/http___www.ebay.com
  Change       : 218.41% | 27.3180833333 -> 86.9830666667

Revision                                 Result                  N
chromium@511382                          27.3181 +- 3.97348      6      good
chromium@511396                          29.945 +- 12.9259       6      good
chromium@511397                          36.4672 +- 35.5142      6      good
chromium@511397,catapult@f9691b256a      35.4735 +- 37.402       6      good
chromium@511397,catapult@dbab215523      89.8046 +- 23.7556      6      bad       <--
chromium@511397,catapult@2f4cf37a9f      78.7198 +- 29.2418      6      bad
chromium@511398                          99.6486 +- 30.8348      6      bad
chromium@511400                          84.6817 +- 13.7839      6      bad
chromium@511403                          83.6436 +- 34.6991      6      bad
chromium@511410                          86.9831 +- 31.2227      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.ebay.com 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/8964269762307458944


For feedback, file a bug with component Speed>Bisection

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