All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=739299

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3ujGpwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnvGqrwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3uTU_wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnqviuQsM


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

android-nexus5
android-nexus5X
android-nexus7v2
chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974918283817202784

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : toBlob_duration_jpeg/toBlob_duration_jpeg


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974918283817202784


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974709535800102256

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

Suspected Commit
  Author : Chong Zhang
  Commit : 379f637084f5ccfe96bba687afaad8a75f53c3d5
  Date   : Mon Jun 26 21:23:59 2017
  Subject: Re-enable VsyncAlignedInput to Field Trial

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : frame_times/frame_times
  Change       : 1.10% | 17.551968207 -> 17.7451510953

Revision             Result                   N
chromium@482365      17.552 +- 0.283883       9      good
chromium@482396      17.6263 +- 0.112067      9      good
chromium@482404      17.5218 +- 0.299363      6      good
chromium@482405      17.9205 +- 0.363573      6      bad       <--
chromium@482406      17.7914 +- 0.143544      6      bad
chromium@482408      17.822 +- 0.447342       9      bad
chromium@482411      17.8664 +- 0.190459      6      bad
chromium@482426      17.8576 +- 0.265748      6      bad
chromium@482487      17.7452 +- 0.357101      9      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests smoothness.gpu_rasterization.top_25_smooth

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974709535800102256


For feedback, file a bug with component Speed>Bisection