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Issue 641742 link

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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.4% regression in speedometer at 414884:414928

Project Member Reported by nikolaos@chromium.org, Aug 28 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=641742

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggcq8rAsM


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 28 2016

Cc: recipe-roller@chromium.org
Owner: recipe-roller@chromium.org

=== Auto-CCing suspected CL author recipe-roller@chromium.org ===

Hi recipe-roller@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


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


===== SUSPECTED CL(s) =====
Subject : Roll recipe dependencies (trivial).
Author  : recipe-roller
Commit description:
  
This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug
(or complain)

build:
  https://crrev.com/26635e19ea94362a07e3e498dabab289cbd888ec Remove svn test from run_presubmit recipe module (agable@chromium.org)
  https://crrev.com/627393829292ba158803840bc45d5f018b981115 Fix assumption about buildbucket.put response. (robertocn@chromium.org)
  https://crrev.com/2851a9afcd8707c34b7c10583ad9732bef4c506f Return build config in iOS recipe module (smut@google.com)
  https://crrev.com/b0548be157b603ffe2a914e9bc158aaf4f1cfbf4 Update config for renamed Win 10 builder. (mmoss@chromium.org)
  https://crrev.com/065716e5a38e865204470df33d4ef783b5b41790 Roll recipe dependencies (trivial). (recipe-roller@chromium.org)
  https://crrev.com/cff87e6a98e85207aba12e0f73cc7bf7e779b002 chromium_android: Add device affinity to links (martiniss@chromium.org)
  https://crrev.com/b2dd122deb548234cf62c7e385958f8c784b6b5c Fixed a bug and script will not crash anymore when there is no test results. (hzl@google.com)
depot_tools:
  https://crrev.com/7090f652d180eeff2663e3e3091d5db14123284c Remove all references to GIT_MODE from depot_tools (agable@chromium.org)

TBR=martiniss@chromium.org,phajdan.jr@chromium.org
BUG=472386,592777,640991,640915,598405, 640251 

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Review-Url: https://codereview.chromium.org/2284653003
Cr-Commit-Position: refs/heads/master@{#414889}
Commit  : ffc2cffaf17f78e190a1d6613845e33454200d78
Date    : Sat Aug 27 10:33:29 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@414883  592.328  5.6107   41  good
chromium@414886  593.914  4.06977  8   good
chromium@414888  589.747  1.97355  5   good
chromium@414889  602.147  5.99887  8   bad    <--
chromium@414895  596.951  8.40136  41  bad
chromium@414906  596.21   9.05766  41  bad
chromium@414928  601.835  3.24736  8   bad

Bisect job ran on: winx64_10_perf_bisect
Bug ID: 641742

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests speedometer
Test Metric: jQuery-TodoMVC/jQuery-TodoMVC
Relative Change: 1.82%
Score: 99.0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_10_perf_bisect/builds/694
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9003084650715341920


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5293243594440704

| 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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