All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=752420

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=65b81850b3f745d3515f526f38d597800813fd3641dcd98a2603c836669da8af


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972207326856781456

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

Suspected Commit
  Author : Florin Malita
  Commit : c785be2815a779a528834a06e2e4d00d9fe3dfce
  Date   : Thu Jul 20 22:06:51 2017
  Subject: Enable Skia rasterpipeline for tiling

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_other_cpu_time_per_frame/http___cuteoverload.com
  Change       : 63.90% | 5.15773609751 -> 1.86219507518

Revision             Result                   N
chromium@488276      5.15774 +- 0.277903      6      good
chromium@488421      5.12234 +- 0.339744      6      good
chromium@488426      4.96239 +- 0.326787      6      good
chromium@488429      5.03415 +- 0.204329      6      good
chromium@488430      5.07407 +- 0.29164       6      good
chromium@488431      1.88546 +- 0.733818      6      bad       <--
chromium@488440      1.98408 +- 0.545907      6      bad
chromium@488458      1.76111 +- 0.764001      6      bad
chromium@488494      1.67795 +- 0.670693      6      bad
chromium@488566      1.8622 +- 0.705737       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...cuteoverload.com thread_times.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972207326856781456


For feedback, file a bug with component Speed>Bisection