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Issue metadata

Status: Duplicate
Merged: issue 659091
Owner: ----
Closed: Oct 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.4% regression in memory.top_10_mobile at 427112:427178

Project Member Reported by alexclarke@chromium.org, Oct 26 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=659544

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgvc2TqQoM


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

android-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 26 2016

Mergedinto: 659091
Status: Duplicate (was: Untriaged)

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


===== SUSPECTED CL(s) =====
Subject : [USS] Show USS counters in Types tab
Author  : gangwu
Commit description:
  
Update the commit/update counters for USS

BUG= 328606 

Review-Url: https://codereview.chromium.org/2420213002
Cr-Commit-Position: refs/heads/master@{#427156}
Commit  : 79b625d97774cda6ebf7fe914236bd985cbd002f
Date    : Mon Oct 24 21:26:22 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@427111  1163264  0.0      5  good
chromium@427145  1167360  0.0      5  good
chromium@427154  1171456  0.0      5  good
chromium@427155  1171456  0.0      5  good
chromium@427156  1175552  0.0      5  bad    <--
chromium@427158  1175552  0.0      5  bad
chromium@427162  1175552  0.0      5  bad
chromium@427178  1171456  0.0      5  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 659544

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile
Test Metric: memory:chrome:all_processes:reported_by_os:system_memory:ashmem:proportional_resident_size_avg/background/after_http_m_youtube_com_results_q_science
Relative Change: 0.70%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2694
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8997749331612940096


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5858733677084672

| 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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