All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=631062

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6ufmpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmuTOrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6tGTsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmsDn-gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6q7TiwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmsSjuQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6ou46QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmuL5owoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6oWjsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqqeKnggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6rTe5ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6p6F9AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6q7TiwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmsiGpgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqsWszAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmpH4twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6r7k_gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmsSj-QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2s6joQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmo2HtAoM


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

chromium-rel-mac-hdd
chromium-rel-mac11
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
linux-release
win-zenbook

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9006152174766326336

===== 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@406266  36864.0  0.0      6  good
chromium@406267  36864.0  0.0      5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 631062

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_desktop
Test Metric: load_tools-memory:chrome:all_processes:reported_by_chrome:discardable:effective_size_avg/load_tools_stackoverflow
Relative Change: 0.00%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/664
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006152174766326336


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6124916886208512

| 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/9005155111994280896

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


===== SUSPECTED CL(s) =====
Subject : [system health] Add desktop browsing story for facebook and change url of twitter story.
Author  : ulan
Commit description:
  
*** NOTE TO SHERRIF ***
Regressions are expected in
- system_health.memory_mobile
- system_health.memory_desktop
- v8.browsing_mobile
- v8.browsing_desktop
for the following stories:
- load:social:twitter
- browse:social:twitter

BUG= chromium:621035 

Review-Url: https://codereview.chromium.org/2162473002
Cr-Commit-Position: refs/heads/master@{#406267}
Commit  : 0a7a65b967c020c7380cba3488b8316b56708ed7
Date    : Tue Jul 19 14:00:57 2016


===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N  Good?
chromium@406231  31934054  574329   5  good
chromium@406249  32143770  574329   5  good
chromium@406258  32563200  741455   5  good
chromium@406263  32563200  0.0      5  good
chromium@406265  32563200  0.0      5  good
chromium@406266  32353485  877302   5  good
chromium@406267  44146688  0.0      5  bad    <--

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 631062

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_desktop
Test Metric: load_social-memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_social_twitter
Relative Change: 38.24%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/710
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005155111994280896


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5255526477201408

| 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!