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Issue 784382 link

Starred by 1 user
Status: Duplicate
Merged: issue 784206
Owner: ----
Closed: Nov 2017
Cc:
tdresser@google.com
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.1%-3.7% regression in memory.desktop at 515355:515560

Project Member Reported by tdres...@chromium.org, Nov 13 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 13 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784382

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=02bd0d7844fc03e3cc684549db4711c6d07ab7f982d817c5112643e288eb7be1


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

android-nexus5X
chromium-rel-win10
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Nov 13 2017

Mergedinto: 784206
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alexandr Ilin
  Commit : e378a8f40efd70f0f138f16eb4a14a290261da86
  Date   : Fri Nov 10 07:54:20 2017
  Subject: Enable SpeculativePreconnect Field Trial Testing

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/TrivialBlinkingCursorPageSharedPageState
  Change       : 3.70% | 2654208.0 -> 2752512.0

Revision             Result                  N
chromium@515430      2654208 +- 0.0          6      good
chromium@515475      2654208 +- 0.0          6      good
chromium@515497      2665131 +- 92681.9      9      good
chromium@515500      2654208 +- 0.0          6      good
chromium@515501      2654208 +- 0.0          6      good
chromium@515502      2752512 +- 0.0          6      bad       <--
chromium@515503      2752512 +- 0.0          6      bad
chromium@515508      2752512 +- 0.0          6      bad
chromium@515519      2752512 +- 0.0          6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=TrivialBlinkingCursorPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963033486916348608


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

Comment 5 by 42576172...@developer.gserviceaccount.com, Nov 13 2017 


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

Suspected Commit
  Author : Alexandr Ilin
  Commit : e378a8f40efd70f0f138f16eb4a14a290261da86
  Date   : Fri Nov 10 07:54:20 2017
  Subject: Enable SpeculativePreconnect Field Trial Testing

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/TrivialBlinkingCursorPageSharedPageState
  Change       : 3.70% | 2654208.0 -> 2752512.0

Revision             Result                  N
chromium@515430      2654208 +- 0.0          6      good
chromium@515475      2665131 +- 92681.9      9      good
chromium@515497      2654208 +- 0.0          6      good
chromium@515500      2654208 +- 0.0          6      good
chromium@515501      2654208 +- 0.0          6      good
chromium@515502      2752512 +- 0.0          6      bad       <--
chromium@515503      2752512 +- 0.0          6      bad
chromium@515508      2752512 +- 0.0          6      bad
chromium@515519      2752512 +- 0.0          6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=TrivialBlinkingCursorPageSharedPageState memory.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963033543680108336


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

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