All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=693469

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2N2rvwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPi2lQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguK-bpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguML26goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIjtkggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNHEpQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJmA8QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJK05wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIGW9AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2N3IqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJD93ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMvD5AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNS__ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLKUswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2KKTlggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2PnPlQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPzOzgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguOLW_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPTwrAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNSrnwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPyD_gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJvatAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-KiWqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2JuP6QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMvDpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLbPvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJGc7gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNaipgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKSF8wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2Luj7wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2J3u7AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJvzowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguL3A_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2L2ksAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2PmQngkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNGOrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLL5pgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2P2f9ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-IyDowsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMTthQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2IvL_AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2P63hwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguP6lkQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKGm6AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJbanAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguO3CtQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJGc7gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2NuYxAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-IzO7QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2JmS5wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-IyDowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2I__8QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguOK49AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2P6KowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2L2ksAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2Mvi2woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguK2a_gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2JmS5woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguOzFpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2N2r_wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2LuU2wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJuVvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLCHlwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-KjYowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKah6wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJnXgwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLTO6AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2NvbowsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2PmQngoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNCV5QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2Pe36wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2PXHkgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguP3GkAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2M_kmAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguK-ovwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-OiqoAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguN2t9AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-OiTuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJ3etwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2P63hwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2MbH_wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNbW9wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguP3G4AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJiGkAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-OiqoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2L3O-AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguN2t9AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJiG4AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguLSk4AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIPO_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2IHc9wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPyXkAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguN6w_gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJ2T_wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-PTrqQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNnhhwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNHnsgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJ2T_woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMKE0gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJ2T_wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2PnP1QkM,ag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Bot(s) for this bug's original alert(s):

chromium-rel-mac11
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win7-gpu-intel
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987419876691072064

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : perezju
  Commit : fc25e6f948ca9973f27d812a8cc7086738b279a1
  Date   : Wed Feb 15 11:18:55 2017
  Subject: Reland of [Telemetry] Switch clients to new JavaScript API (batch 5) (patchset #1 id:1 of https://codereview.chromium.org/2692763002/ )

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___www.html5rocks.com_en_
  Change       : 2075.54% | 36.3196666667 -> 790.147583333

Revision                                 Result                  N
chromium@450649                          36.3197 +- 3.33715      6      good
chromium@450663                          35.3448 +- 1.47676      6      good
chromium@450670                          35.2187 +- 1.28035      6      good
chromium@450672                          35.4113 +- 1.48713      6      good
chromium@450673                          35.903 +- 1.34459       6      good
chromium@450673,catapult@fc25e6f948      807.537 +- 136.907      6      bad       <--
chromium@450674                          791.475 +- 137.797      6      bad
chromium@450677                          884.847 +- 356.689      6      bad
chromium@450705                          790.148 +- 72.123       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.html5rocks.com.en. page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987419876691072064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5304179637092352


| 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 Speed>Bisection.  Thank you!