All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=642073

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggZrppwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggZHorQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg_oCF9AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg_uffswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgvve3lwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggezMqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggcqN8wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggf-DtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggdnmuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgga-WqwoM


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

android-nexus5
android-nexus5X
android-nexus9

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9002967618055909392

===== 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@414864  77204684  4132073  8  good
chromium@414867  75130470  2431225  8  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 642073

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests memory.top_10_mobile
Test Metric: background-memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/after_http_www_amazon_com_gp_aw_s_k_nexus
Relative Change: 2.89%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2072
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002967618055909392


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6340842355163136

| 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/9002893487482772048

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


===== SUSPECTED CL(s) =====
Subject : Android: Trigger tab placeholder update when activity is paused
Author  : sievers
Commit description:
  
This makes sure we have a placeholder bitmap when we resume
and don't have a frame from the renderer yet.

BUG= 636630 

Review-Url: https://codereview.chromium.org/2186453004
Cr-Commit-Position: refs/heads/master@{#414822}
Commit  : 0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
Date    : Fri Aug 26 21:50:30 2016


===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N  Good?
chromium@414812  94573660  554979   5  good
chromium@414821  95191398  581373   8  good
chromium@414822  96288819  87944.2  5  bad    <--
chromium@414823  96253020  461545   5  bad
chromium@414825  96095155  322463   8  bad
chromium@414829  96934922  398693   5  bad
chromium@414846  96253306  397276   5  bad
chromium@414880  96700999  294202   5  bad

Bisect job ran on: android_nexus5_perf_bisect
Bug ID: 642073

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests memory.top_10_mobile
Test Metric: foreground-memory:chrome:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/http_m_youtube_com_results_q_science
Relative Change: 2.25%
Score: 99.5

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/4075
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002893487482772048


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5817261615480832

| 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!