All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=691614

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPq2owsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6MvRngsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNbrqAoM


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

chromium-rel-win10
chromium-rel-win7-gpu-intel
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987754947071657184

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

Suspected Commit
  Author : japhet
  Commit : ffefd4173f178d76449fc51f5dc22bfd7e120e03
  Date   : Thu Feb 09 22:25:56 2017
  Subject: Actually handle the Vary header in blink, rather than punting on sight.

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : page_cycler_v2.intl_ja_zh
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___www.yahoo.co.jp_
  Change       : 0.93% | 341.431777775 -> 345.582666675

Revision             Result                  N
chromium@449358      341.432 +- 2.97616      9       good
chromium@449408      341.535 +- 6.55359      14      good
chromium@449433      341.965 +- 7.22924      9       good
chromium@449436      340.792 +- 3.23742      9       good
chromium@449437      341.582 +- 8.41752      14      good
chromium@449438      344.706 +- 6.40947      9       bad       <--
chromium@449439      345.734 +- 5.9212       6       bad
chromium@449445      346.133 +- 8.80046      9       bad
chromium@449457      345.583 +- 8.95277      9       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.yahoo.co.jp. page_cycler_v2.intl_ja_zh

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987754947071657184

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5875259628060672


| 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!