All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=735681

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgjpeJ-wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgjo3-uAsM


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

chromium-rel-mac-retina
chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976140567038263536

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

Suspected Commit
  Author : Yutaka Hirano
  Commit : 84047549ac37bab70d7306566c912e59131f3e1f
  Date   : Mon Jun 19 04:16:15 2017
  Subject: [Loading] Save one post-task when the data pipe is ready on arrival

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : page_cycler_v2_site_isolation.basic_oopif
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___www.nationalgeographic.com_
  Change       : 26.16% | 200.164777776 -> 252.529375001

Revision             Result                  N
chromium@480312      200.165 +- 65.0783      9      good
chromium@480332      195.086 +- 15.6224      6      good
chromium@480337      201.917 +- 52.7566      9      good
chromium@480340      192.312 +- 16.9721      6      good
chromium@480341      194.18 +- 13.5101       6      good
chromium@480342      264.726 +- 41.8474      6      bad       <--
chromium@480352      252.529 +- 66.0184      8      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.nationalgeographic.com. page_cycler_v2_site_isolation.basic_oopif

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976140567038263536

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6341776404643840


| 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!