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Issue metadata

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



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150.8% regression in page_cycler_v2.intl_hi_ru at 456334:456379

Project Member Reported by nzolghadr@chromium.org, Mar 15 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=701903

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg9Kj2sAkM


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

linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 16 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : page_cycler_v2.intl_hi_ru
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.rambler.ru_
  Change       : 85.52% | 35.6126428572 -> 66.0692142858

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/a15fea4b2a0062f98fa2c7b446dfa4035e7231c9..5511a0c795fe5e5455edfac0cc2c2c9efa27163b


Revision                                 Result                  N
chromium@456333                          35.6126 +- 21.1122      14       good
chromium@456356                          34.9161 +- 18.6623      9        good
chromium@456362                          31.9976 +- 22.0111      14       good
chromium@456363                          46.5275 +- 91.3689      14       good
chromium@456363,catapult@267012ae74      ---                     ---      build failure
chromium@456364                          62.5564 +- 99.6817      14       bad
chromium@456365                          79.1664 +- 59.3307      9        bad
chromium@456368                          75.0716 +- 92.1006      14       bad
chromium@456379                          66.0692 +- 94.9957      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.rambler.ru. page_cycler_v2.intl_hi_ru

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985030945851976032

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5668522778165248


| 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!
Mergedinto: 653519
Status: Duplicate (was: Untriaged)

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