All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=645476

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqZTNpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgyabHuQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgybnMrQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgyf-qowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgyYeGrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgif3JiQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqczH7AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgyfWLjAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgyZ7M4AgM


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

android-nexus6
chromium-rel-mac-retina
chromium-rel-mac10
chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001986039554146208

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2550
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001682040597134704

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001682007652779120

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_perf_bisect/builds/6925
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/889
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999798526639505312

===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@417087  2396.81  34.4989  8  good
chromium@417296  2336.82  38.3651  8  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 645476

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler_v2.typical_25
Test Metric: timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.nationalgeographic.com_
Relative Change: 2.48%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2598
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999798526639505312


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5868294525943808

| 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!

Perf sheriff fixit: removing owners from bugs owned by the sheriffs who filed them to clarify that the rotation triages the bugs.

Archiving as bisection is difficult and there's been no movement.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982584533057391552