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Issue 645301 link

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Issue metadata

Status: Duplicate
Merged: issue 644431
Owner:
ooo
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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6% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 416437:416455

Project Member Reported by briander...@chromium.org, Sep 8 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=645301

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgsdaHqAkM


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

android-nexus9
Mergedinto: 644431
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Roll src/third_party/catapult/ 54acca7c4..4f812c903 (1 commit).
Author  : catapult-deps-roller
Commit description:
  
https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/54acca7c4f74..4f812c9035e6

$ git log 54acca7c4..4f812c903 --date=short --no-merges --format='%ad %ae %s'
2016-09-03 perezju [Telemetry] Switch ShouldTearDownStateAfterEachStoryRun to True as default

BUG= 640990 

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2307273002
Cr-Commit-Position: refs/heads/master@{#416453}
Commit  : 6b6ec1c01c7dac3ee76f9245e4ee442f1c669c55
Date    : Sat Sep 03 11:54:33 2016


===== TESTED REVISIONS =====
Revision                             Mean     Std Dev    N  Good?
chromium@416436                      18.0979  0.802195   5  good
chromium@416446                      17.8996  0.607323   5  good
chromium@416451                      18.2324  0.136441   5  good
chromium@416452                      18.2375  0.0900859  5  good
chromium@416452,catapult@4f812c9035  18.3413  0.0854436  5  good
chromium@416453                      19.4441  0.139226   5  bad    <--
chromium@416455                      19.5162  0.250314   5  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 645301

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.sync_scroll.key_mobile_sites_smooth
Test Metric: frame_times/http___nytimes.com_
Relative Change: 7.84%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2099
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002044255022075792


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5866528732348416

| 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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