All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=705393

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MDBqQsM


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

chromium-rel-mac12-mini-8gb

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983987464795940672

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : first_gesture_scroll_update_latency/http___booking.com

Revision             Result                  N
chromium@459069      18.182 +- 29.095        21      good
chromium@459248      19.0054 +- 14.0889      21      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...booking.com smoothness.top_25_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983987464795940672

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5736779858051072


| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983907339864899328

kicked off with a wider range including clearly good results of ~0

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

Suspected Commit
  Author : chongz
  Commit : 5a7f45dab8372cb7b80ee24dfb137a7ced2049ea
  Date   : Wed Mar 22 23:13:14 2017
  Subject: Enable VsyncAlignedInput to field trial

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : first_gesture_scroll_update_latency/http___booking.com
  Change       : 637.92% | 2.48216666667 -> 18.3163333333

Revision             Result                   N
chromium@458728      2.48217 +- 1.44988       6      good
chromium@458858      3.16333 +- 5.27756       6      good
chromium@458891      5.04478 +- 15.4522       9      good
chromium@458907      6.57622 +- 39.5672       9      good
chromium@458915      2.461 +- 3.01644         6      good
chromium@458919      2.36183 +- 1.34502       6      good
chromium@458920      2.72833 +- 1.78234       6      good
chromium@458921      17.6385 +- 2.86682       6      bad       <--
chromium@458923      21.3836 +- 29.3979       9      bad
chromium@458988      18.1403 +- 0.390337      6      bad
chromium@459248      18.3163 +- 1.60026       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...booking.com smoothness.top_25_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983907339864899328

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5776110886846464


| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982611623672829680

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_mini_8gb_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : first_gesture_scroll_update_latency/http___booking.com

Revision             Result                  N
chromium@459069      17.4287 +- 16.1238      21      good
chromium@459248      18.4749 +- 9.44922      21      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...booking.com smoothness.top_25_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982611623672829680

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5736779858051072


| 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!