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Issue metadata

Status: Duplicate
Merged: issue 717400
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14%-52.6% regression in page_cycler_v2.top_10_mobile at 467922:467954

Project Member Reported by mustaq@chromium.org, May 3 2017

Issue description

See the link to graphs below.
 
Mergedinto: 717400
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : e80a730b1b1b43ec5fa205dd99e5f00693173f4c
  Date   : Fri Apr 28 09:26:12 2017
  Subject: [Telemetry] Switch Android platform to no longer uses test ca

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : page_cycler_v2.top_10_mobile
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/https___mobile.twitter.com_justinbieber?skip_interstitial_true
  Change       : 53.14% | 713.835666667 -> 1093.16116667

Revision                                 Result                  N
chromium@467921                          713.836 +- 42.2275      6      good
chromium@467938                          722.671 +- 52.9146      6      good
chromium@467946                          720.221 +- 59.8977      6      good
chromium@467950                          735.338 +- 28.8429      6      good
chromium@467952                          702.234 +- 33.6639      6      good
chromium@467953                          713.105 +- 56.6296      6      good
chromium@467953,catapult@e80a730b1b      1089.56 +- 72.668       6      bad       <--
chromium@467954                          1093.16 +- 47.3102      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 --story-filter=https...mobile.twitter.com.justinbieber.skip.interstitial.true page_cycler_v2.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980604092112772784

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5517411328983040


| 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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