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Issue 736277 link

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Issue metadata

Status: Duplicate
Merged: issue 736272
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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77.1% regression in thread_times.simple_mobile_sites at 481163:481215

Project Member Reported by kraynov@chromium.org, Jun 23 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=736277

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgzqj_7wgM


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

android-one
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jun 23 2017

Mergedinto: 736272
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Dave Tapuska
  Commit : 4cef659a8009c5cb4f5708336ae37654d23653b3
  Date   : Wed Jun 21 15:16:45 2017
  Subject: Enable scrollTopLeftInterop by default.

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.simple_mobile_sites
  Metric       : thread_total_all_cpu_time_per_frame/thread_total_all_cpu_time_per_frame
  Change       : 96.52% | 22.5899976945 -> 44.3943065328

Revision             Result                   N
chromium@481162      22.59 +- 1.40683         6      good
chromium@481189      22.4193 +- 0.959131      6      good
chromium@481202      22.3261 +- 1.40761       6      good
chromium@481206      22.6486 +- 0.605825      6      good
chromium@481207      23.0365 +- 0.582818      6      good
chromium@481208      40.7332 +- 4.1489        6      bad       <--
chromium@481209      42.7201 +- 6.52172       6      bad
chromium@481215      44.3943 +- 6.90933       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 thread_times.simple_mobile_sites

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976005291009100704

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5347258070990848


| 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, Jun 23 2017


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

Suspected Commit
  Author : Dave Tapuska
  Commit : 4cef659a8009c5cb4f5708336ae37654d23653b3
  Date   : Wed Jun 21 15:16:45 2017
  Subject: Enable scrollTopLeftInterop by default.

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.simple_mobile_sites
  Metric       : thread_total_all_cpu_time_per_frame/thread_total_all_cpu_time_per_frame
  Change       : 67.27% | 16.1423079213 -> 27.0018079208

Revision             Result                   N
chromium@481162      16.1423 +- 0.877358      6      good
chromium@481189      15.9906 +- 0.616736      6      good
chromium@481202      16.0286 +- 0.964338      6      good
chromium@481206      16.3518 +- 0.874897      6      good
chromium@481207      16.237 +- 0.981032       6      good
chromium@481208      26.8787 +- 3.46574       6      bad       <--
chromium@481209      28.4475 +- 3.85681       6      bad
chromium@481215      27.0018 +- 2.46824       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 thread_times.simple_mobile_sites

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976005297687002592

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6361935504736256


| 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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