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Issue metadata

Status: Duplicate
Merged: issue 699167
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.1%-54.7% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 454413:454562

Project Member Reported by benhenry@google.com, Mar 8 2017

Issue description

See the link to graphs below.
 
Mergedinto: 699167
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : dtapuska
  Commit : abf462cdff2f095ab1ab69beb78c8b658bfb634a
  Date   : Fri Mar 03 03:46:57 2017
  Subject: Disable the passthrough touch event queue for now.

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : frame_times/http___www.androidpolice.com_2012_10_03_rumor-evidence-mounts-that-an-lg-optimus-g-nexus-is-coming-along-with-a-nexus-phone-certification-program_
  Change       : 50.48% | 18.6927349158 -> 28.1289726602

Revision             Result                   N
chromium@454412      18.6927 +- 0.652018      6      good
chromium@454460      18.5608 +- 0.774402      6      good
chromium@454484      18.5591 +- 0.737806      6      good
chromium@454496      18.422 +- 0.587546       6      good
chromium@454502      18.4029 +- 0.900626      6      good
chromium@454503      18.6056 +- 1.11307       6      good
chromium@454504      28.1425 +- 2.21938       6      bad       <--
chromium@454505      27.9917 +- 0.826338      6      bad
chromium@454507      28.129 +- 2.28104        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=http...www.androidpolice.com.2012.10.03.rumor.evidence.mounts.that.an.lg.optimus.g.nexus.is.coming.along.with.a.nexus.phone.certification.program. smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985654995655758544

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4995959823532032


| 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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