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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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50.5% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 454494:454550

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

Issue description

ref build didn't move, bisecting.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=699713

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglI_cpgoM


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

android-one
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_one_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       : 44.43% | 18.8459608337 -> 27.2198565273

Revision             Result                  N
chromium@454493      18.846 +- 1.49947       6      good
chromium@454501      18.767 +- 1.66561       6      good
chromium@454503      18.6054 +- 1.52275      6      good
chromium@454504      28.0366 +- 1.67457      6      bad       <--
chromium@454505      27.8902 +- 2.71828      6      bad
chromium@454508      28.1611 +- 2.86073      6      bad
chromium@454522      27.9227 +- 1.68719      6      bad
chromium@454550      27.2199 +- 1.08465      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/8985655678119367984

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5010609554325504


| 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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