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Issue metadata

Status: Duplicate
Merged: issue 675672
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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94% regression in page_cycler_v2.intl_ko_th_vi at 438528:438654

Project Member Reported by alexclarke@chromium.org, Dec 29 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=677406

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgr5n-ugkM


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

chromium-rel-mac10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 29 2016

Mergedinto: 675672
Status: Duplicate (was: Untriaged)

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


===== SUSPECTED CL(s) =====
Subject : Remove SecurityChips experiment and flags
Author  : estark
Commit description:
  
We are launching security chips/verbose security states to stable in
M55, and thus removing the Finch experiments and command-line flags.

The behavior we are launching is show-all and animate-nonsecure-only
(security verbose states are shown for all states but animated for
non-secure only).

BUG=647762

Review-Url: https://codereview.chromium.org/2560203003
Cr-Commit-Position: refs/heads/master@{#438553}
Commit  : b6c0b5412248ac3001905d439cd9ebd4b2d0f7ec
Date    : Wed Dec 14 18:51:26 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@438527  45.4992  33.7681  9  good
chromium@438543  46.2001  35.0631  9  good
chromium@438551  41.1017  2.39398  6  good
chromium@438552  47.2165  33.1249  6  good
chromium@438553  76.3463  36.3363  6  bad    <--
chromium@438555  76.3132  35.0318  6  bad
chromium@438559  78.7393  41.2966  6  bad
chromium@438591  76.2439  39.3373  9  bad
chromium@438654  82.481   4.1423   6  bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 677406

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.daum.net. page_cycler_v2.intl_ko_th_vi
Test Metric: timeToFirstContentfulPaint_avg/pcv1-warm/http___www.daum.net_
Relative Change: 73.63%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2523
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991949206860413936


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5825540764729344

| 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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