All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779795

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d00e7e61caac6c03e5ef5a0c4527d11640105a80ef9f4d5af5c328b4f1ee46ab


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964270420352553712

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

Suspected Commit
  Author : David Bokan
  Commit : dbab215523c8d77a7b54fcf3776357b079c36899
  Date   : Tue Oct 24 14:24:10 2017
  Subject: Fix telemetry gesture speeds

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.tough_scrolling_cases
  Metric       : mean_pixels_approximated/canvas_40000_pixels_per_second

Revision                                 Result                    N
chromium@511377                          0.0 +- 0.0                6      good
chromium@511388                          0.0 +- 0.0                6      good
chromium@511394                          0.0 +- 0.0                6      good
chromium@511397                          0.0 +- 0.0                6      good
chromium@511397,catapult@f9691b256a      0.0 +- 0.0                6      good
chromium@511397,catapult@dbab215523      0.6455 +- 0.686281        6      bad       <--
chromium@511397,catapult@2f4cf37a9f      0.717333 +- 1.24503       6      bad
chromium@511398                          0.908833 +- 0.755017      6      bad
chromium@511399                          0.981667 +- 1.02052       6      bad
chromium@511420                          0.714667 +- 0.982491      6      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 --story-filter=canvas.40000.pixels.per.second smoothness.tough_scrolling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964270420352553712


For feedback, file a bug with component Speed>Bisection