All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=731663

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5vmNvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5s_QrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglqLo-AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgluSO-AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglob28AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5qLf6QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5pKV9gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5rSKgQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrT09QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5qLf6QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglqKmtAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrT0tQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5tn8_QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgluKupwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5q_Y9wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgloygsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5uvD_wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgltCt8gkM


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977267799894309120

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

Suspected Commit
  Author : mek
  Commit : c8e2b27f71c6792fa1072fa98a22c111ad229090
  Date   : Tue Jun 06 23:18:28 2017
  Subject: Switch to mojo localstorage backend by default.

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : loading.desktop
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/uol.com.br
  Change       : 134.79% | 129.164999999 -> 303.264333334

Revision             Result                  N
chromium@477361      129.165 +- 5.15741      6      good
chromium@477425      129.272 +- 4.12781      6      good
chromium@477457      129.371 +- 3.38627      6      good
chromium@477458      309.699 +- 22.1682      6      bad       <--
chromium@477459      315.481 +- 46.6729      6      bad
chromium@477461      312.619 +- 24.0511      6      bad
chromium@477465      307.419 +- 25.9284      6      bad
chromium@477473      305.407 +- 11.506       6      bad
chromium@477488      303.264 +- 9.19569      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=uol.com.br loading.desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977267799894309120

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6425849869369344


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|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!