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Issue metadata

Status: Duplicate
Merged: issue 632644
Owner:
Last visit > 30 days ago
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.5% regression in webrtc.datachannel at 408185:408236

Project Member Reported by alexclarke@chromium.org, Aug 1 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=633127

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxoPkvQsM


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

android-nexus6
Mergedinto: 632644
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : [Android] Roll support lib to 24.1.1
Author  : ianwen
Commit description:
  
This is the second attempt to roll the support library. The first
attempt was https://codereview.chromium.org/2175513002 and it was
reverted in https://codereview.chromium.org/2175763003 due to downstream
bots failure.

BUG=629768

Review-Url: https://codereview.chromium.org/2185133002
Cr-Commit-Position: refs/heads/master@{#408211}
Commit  : c8ba82433d4b45be103fc3f3b0005d6df5c82a64
Date    : Wed Jul 27 19:18:31 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@408184  24334.0  53.591   6  good
chromium@408210  24390.4  61.8773  5  good
chromium@408211  24705.6  137.247  5  bad    <--
chromium@408212  24664.0  80.5481  5  bad
chromium@408214  24660.8  49.5096  5  bad
chromium@408217  24618.4  135.487  5  bad
chromium@408223  24700.0  88.9494  5  bad
chromium@408236  24635.2  33.1542  5  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 633127

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests webrtc.datachannel
Test Metric: vm_private_dirty_final_browser/vm_private_dirty_final_browser
Relative Change: 1.18%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2391
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005542026151649072


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5838946446082048

| 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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