All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=631067

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2tWNvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2sT0rAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2oCxsgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2qKirQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2saGsgkM


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

android-nexus5
android-nexus6
android-nexus9

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9006151946581355808

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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean    Std Dev  N   Good?
chromium@406454  451637  33991.2  12  good
chromium@406471  480572  46479.4  8   bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 631067

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_mobile
Test Metric: load_media-memory:chrome:all_processes:reported_by_chrome:sqlite:effective_size_avg/load_media_9gag
Relative Change: 3.80%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2332
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006151946581355808


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6403952053059584

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9005154696110572704

=== Auto-CCing suspected CL author ulan@chromium.org ===

Hi ulan@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 : [system health] Fix load:news:washingtonpost and browse:news:washingtonpost on Nexus9.
Author  : ulan
Commit description:
  
Washingtonpost popup window on Nexus9 does not have "Close" button.
This patch checks for the presence of the button before clicking it.

BUG= 629163 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.perf:android_s5_perf_cq;master.tryserver.chromium.perf:mac_retina_perf_cq

Review-Url: https://codereview.chromium.org/2159253002
Cr-Commit-Position: refs/heads/master@{#406372}
Commit  : 50adac87a62954be18180cbf74590a54a9d70dd4
Date    : Tue Jul 19 20:37:53 2016


===== TESTED REVISIONS =====
Revision         Mean       Std Dev  N  Good?
chromium@406090  116601651  1722986  5  good
chromium@406281  116391936  2514397  5  good
chromium@406329  115133645  3307588  5  good
chromium@406353  114950144  2898440  5  good
chromium@406365  114399642  2998084  5  good
chromium@406371  114714214  1754603  5  good
chromium@406372  130573926  1305467  5  bad    <--
chromium@406373  131412787  1682630  5  bad
chromium@406374  130364211  1022025  5  bad
chromium@406376  132251648  2595093  5  bad
chromium@406471  132461363  2362207  5  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 631067

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_mobile
Test Metric: load_news-memory:chrome:all_processes:reported_by_os:gpu_memory:gl:proportional_resident_size_avg/load_news_wikipedia
Relative Change: 13.60%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/1983
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005154696110572704


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5905379825811456

| 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!

This was just a change in the SH story set.