All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722865

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6veMuQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6sr6jQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6szlnwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmrT3uAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6qKV8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6sauqwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmrCDswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6pqi4wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqquV6ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6vOgsgkM


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

chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-pro
linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979425686816115952

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

Suspected Commit
  Author : Yutaka Hirano
  Commit : 823d5c738187627cbe218f01ddac6f383bcaaba8
  Date   : Fri May 12 09:29:18 2017
  Subject: Set URLResponseBodyConsumer::kMaxNumConsumedBytesInTask to 32K

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.theonion.com
  Change       : 33.18% | 199.868833333 -> 266.175833332

Revision             Result                  N
chromium@471248      199.869 +- 46.6296      6      good
chromium@471255      200.247 +- 45.501       6      good
chromium@471256      207.697 +- 67.0391      9      good
chromium@471257      265.795 +- 61.7225      6      bad       <--
chromium@471258      261.56 +- 36.9832       6      bad
chromium@471261      264.224 +- 60.8802      9      bad
chromium@471273      280.258 +- 39.4044      6      bad
chromium@471297      266.176 +- 55.2711      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=http...www.theonion.com page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979425686816115952

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5134239294554112


| 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!