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Issue metadata

Status: Duplicate
Merged: issue 662391
Owner: ----
Closed: Nov 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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10%-45% regression in v8.infinite_scroll-ignition_tbmv2 at 429283:429369

Project Member Reported by mlippautz@google.com, Nov 7 2016

Issue description

See the link to graphs below.
 
Cc: -mlippautz@google.com mlippautz@chromium.org
Mergedinto: 662391
Status: Duplicate (was: Untriaged)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Revert "Touchpad scroll latching enabled for Mac behind flag."
Author  : sahel
Commit description:
  
This fixes Android scrollbar fading regression.

reverted cl: https://crrev.com/2256733003

TBR=aelias@chromium.org
BUG= 649122 , 526463
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel

Review-Url: https://codereview.chromium.org/2467023003
Cr-Commit-Position: refs/heads/master@{#429316}
Commit  : d6036a082e4eea1c402dbd5d294dee1581ff201a
Date    : Wed Nov 02 17:26:20 2016


===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N  Good?
chromium@429305  46192069  7496921  5  good
chromium@429315  42214702  2816538  5  good
chromium@429316  58487597  1673848  5  bad    <--
chromium@429317  64249187  2757354  5  bad
chromium@429318  63008980  999555   5  bad
chromium@429320  63733916  3625178  5  bad
chromium@429325  65534293  4351528  5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 662866

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_max/memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_max
Relative Change: 41.87%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/871
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8996657093193238304


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5840398574944256

| 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 Tests>AutoBisect.  Thank you!

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