All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=650005

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghc30rgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghcnApAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghc30rgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghZCamAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxeyWoAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxYCxoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghfqrwQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghdrRoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxYCtsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghcmUtQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZrlsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxYzzvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghcusvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghfextAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxbW5pAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICghYv9pQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZygpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxYuUvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxe2QsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZ7wrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZuEsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxc_buwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxbT6vgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZ3tpgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxeCyqAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxfjQ_wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxbP3vwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-YPglQkM


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

chromium-rel-mac-retina
chromium-rel-mac10
chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000579195794209952

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


===== SUSPECTED CL(s) =====
Subject : Merge all Field Trial Testing Configuration Together
Author  : robliao
Commit description:
  
This change brings together many of the separate platform specific
Field Trial Testing configurations together, reducing duplication.

BUG=637095
TEST=Manually Compare Old and New Resulting C++ files

* - ["android", "chromeos", "ios", "linux", "mac", "win"]

fieldtrial_to_struct_master.py \
    fieldtrial_testing_config_*.json \
    --namespace=chrome_variations \
    --schema=fieldtrial_testing_config_schema.json \
    --output=old/fieldtrial_testing_config_*

fieldtrial_to_struct.py \
    fieldtrial_testing_config.json \
    --namespace=chrome_variations \
    --schema=fieldtrial_testing_config_schema.json \
    --platform=* \
    --output=new/fieldtrial_testing_config_*

diff old/fieldtrial_testing_config_*.[cc|h] \
     new/fieldtrial_testing_config_*.[cc|h]

No material differences.

Review-Url: https://codereview.chromium.org/2296493002
Cr-Commit-Position: refs/heads/master@{#420112}
Commit  : 74ce2fa9c04444812d985ef37ecd377e23e09145
Date    : Wed Sep 21 18:36:33 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@420097  4095062  99227.6  5  good
chromium@420107  4083725  155975   5  good
chromium@420110  4303013  143803   5  good
chromium@420111  4193480  119810   5  good
chromium@420112  5145595  151628   5  bad    <--
chromium@420117  5175920  132546   5  bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 650005

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests tracing.tracing_with_debug_overhead
Test Metric: Max event size in bytes per second_min/Max event size in bytes per second_min
Relative Change: 26.39%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1686
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000579195794209952


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5252031378358272

| 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!