All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784432

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1589fa3d46a28bac9824b74f887bf8b645175f40d0ad2e9b69fa667e953d13cc


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963023489592353568

=== 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_nexus5X_perf_bisect
  Benchmark    : thread_times.tough_scrolling_cases
  Metric       : thread_raster_cpu_time_per_frame/text_constant_full_page_raster_15000_pixels_per_second
  Change       : 25.15% | 6.76797361143 -> 8.47026254598

Revision                                 Result                    N
chromium@511331                          6.76797 +- 0.403623       6      good
chromium@511378                          6.62219 +- 0.556309       6      good
chromium@511390                          6.63682 +- 0.38283        6      good
chromium@511396                          6.5783 +- 0.534141        6      good
chromium@511397                          6.62452 +- 0.468151       6      good
chromium@511397,catapult@f9691b256a      6.49266 +- 0.333707       6      good
chromium@511397,catapult@dbab215523      8.47288 +- 0.13903        6      bad       <--
chromium@511397,catapult@2f4cf37a9f      8.40094 +- 0.151819       6      bad
chromium@511398                          8.28038 +- 0.663111       6      bad
chromium@511399                          8.43628 +- 0.12733        6      bad
chromium@511401                          8.39586 +- 0.0706108      6      bad
chromium@511424                          8.47026 +- 0.205015       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=text.constant.full.page.raster.15000.pixels.per.second thread_times.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/8963023489592353568


For feedback, file a bug with component Speed>Bisection