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Issue 705540 link

Starred by 1 user
Status: Duplicate
Merged: issue 704732
Owner: ----
Closed: Mar 2017
Cc:
█ rnep...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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63.6% regression in system_health.common_desktop at 458860:458999

Project Member Reported by rnep...@chromium.org, Mar 27 2017 
See the link to graphs below.

Comment 1 by rnep...@chromium.org, Mar 27 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=705540

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NrDpQoM


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

win-high-dpi
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Mar 27 2017

Mergedinto: 704732
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : chongz
  Commit : 5a7f45dab8372cb7b80ee24dfb137a7ced2049ea
  Date   : Wed Mar 22 23:13:14 2017
  Subject: Enable VsyncAlignedInput to field trial

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : scroll_response:energy_sum/browse_search/browse_search_google_india
  Change       : 48.15% | 0.83180291657 -> 1.23233020079

Revision             Result                    N
chromium@458859      0.831803 +- 0.112709      6      good
chromium@458894      0.843131 +- 0.121598      6      good
chromium@458912      0.916941 +- 0.144947      6      good
chromium@458917      0.871609 +- 0.139785      6      good
chromium@458919      0.83196 +- 0.107148       6      good
chromium@458920      0.847595 +- 0.125901      6      good
chromium@458921      1.21489 +- 0.160522       6      bad       <--
chromium@458929      1.24785 +- 0.203609       6      bad
chromium@458999      1.23233 +- 0.139589       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=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983957552098093584

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5819709099868160


| 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 6 by 42576172...@developer.gserviceaccount.com, Mar 27 2017 


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

Suspected Commit
  Author : chongz
  Commit : 5a7f45dab8372cb7b80ee24dfb137a7ced2049ea
  Date   : Wed Mar 22 23:13:14 2017
  Subject: Enable VsyncAlignedInput to field trial

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : scroll_response:energy_sum/browse_search/browse_search_google_india
  Change       : 40.95% | 1.0839801448 -> 1.52791421583

Revision             Result                    N
chromium@458859      1.08398 +- 0.295252       6      good
chromium@458894      1.07112 +- 0.153538       6      good
chromium@458912      1.01579 +- 0.141205       6      good
chromium@458917      1.01979 +- 0.158615       6      good
chromium@458919      1.04641 +- 0.121862       6      good
chromium@458920      0.99973 +- 0.0835409      6      good
chromium@458921      1.56395 +- 0.315673       6      bad       <--
chromium@458929      1.52875 +- 0.246466       6      bad
chromium@458999      1.52791 +- 0.150141       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=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983957538101793440

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5843843997499392


| 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 7 by 42576172...@developer.gserviceaccount.com, Mar 27 2017 


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

Suspected Commit
  Author : chongz
  Commit : 5a7f45dab8372cb7b80ee24dfb137a7ced2049ea
  Date   : Wed Mar 22 23:13:14 2017
  Subject: Enable VsyncAlignedInput to field trial

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : scroll_response:energy_sum/browse_news/browse_news_flipboard
  Change       : 31.05% | 6.46199239786 -> 8.46841049736

Revision             Result                   N
chromium@458859      6.46199 +- 1.10507       6      good
chromium@458894      6.12663 +- 0.955813      6      good
chromium@458912      6.09352 +- 0.602338      6      good
chromium@458917      5.98419 +- 0.701331      6      good
chromium@458919      6.05809 +- 1.07681       6      good
chromium@458920      5.68218 +- 0.486459      6      good
chromium@458921      7.89702 +- 0.641715      6      bad       <--
chromium@458929      8.524 +- 0.737268        6      bad
chromium@458999      8.46841 +- 1.39394       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=browse.news.flipboard system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983957445830521152

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4561171878772736


| 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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