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Issue metadata

Status: WontFix
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14.4%-34.6% regression in page_cycler_v2.intl_ko_th_vi at 456562:456784

Project Member Reported by toyoshim@chromium.org, Mar 27 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 27 2017


=== BISECT JOB RESULTS ===
Bisect failed unexpectedly

Bisect was aborted with the following:
  Step('Check bisect finished on revision chromium@456690,v8@d80c92bb60.fetch file d80c92bb602288bc35cecbf63b43ee7f9a8edd08:DEPS') failed with return_code 1


Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/http___arstechnica.com_

Revision                           Result                  N
chromium@456646                    1004.11 +- 924.056      14      good
chromium@456670                    1002.89 +- 605.95       14      good
chromium@456681                    1026.91 +- 1025.58      21      good
chromium@456684                    935.723 +- 445.399      14      good
chromium@456690                    981.015 +- 522.474      14      good
chromium@456690,v8@8e18765d69      1006.02 +- 612.258      14      good
chromium@456690,v8@d80c92bb60      996.606 +- 645.829      14      good
chromium@456691                    1193.18 +- 745.965      14      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=http...arstechnica.com. page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983991479094163824

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5322678707159040


| 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!
Status: WontFix (was: Untriaged)
noise

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