All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784963

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=36b10d6f13624d68d816553f087edf93afe96fdcc4d22ff157fe6ed7e19705c3


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8962923030255514016

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

Suspected Commit
  Author : Keishi Hattori
  Commit : 99f46d3e60fcc50776619bc69b459e54f4ca8e2d
  Date   : Tue Nov 14 02:26:40 2017
  Subject: Oilpan: Add magic number to BasePage

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : speedometer
  Metric       : Total/Total
  Change       : 3.05% | 24774.6561111 -> 25530.1327778

Revision             Result                  N
chromium@516108      24774.7 +- 184.886      6      good
chromium@516130      24634.2 +- 163.439      6      good
chromium@516141      24578.6 +- 219.656      6      good
chromium@516146      24636.8 +- 276.041      6      good
chromium@516148      24616.0 +- 280.33       6      good
chromium@516149      25551.1 +- 272.408      6      bad       <--
chromium@516151      25501.5 +- 250.58       6      bad
chromium@516193      25530.1 +- 498.272      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 speedometer

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8962923030255514016


For feedback, file a bug with component Speed>Bisection