All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=760135

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=24306cbeb042e07d81d6075e256ce3202c2eb2ea68cbe993a52a49bb26baed36


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

android-one
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969913135764948688

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

Suspected Commit
  Author : Scott Haseley
  Commit : c3f876b18c07c50b360b93fb91ec67549b58deb8
  Date   : Thu Aug 10 00:40:36 2017
  Subject: Use swap time for all first paint times in TBM, UMA, UKM & web perf API

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstContentfulPaint_avg/load_media/load_media_imgur
  Change       : 109.30% | 292.501333333 -> 612.2195

Revision             Result                  N
chromium@492960      292.501 +- 14.1635      6      good
chromium@493151      306.319 +- 15.3532      6      good
chromium@493175      308.737 +- 24.241       6      good
chromium@493187      309.942 +- 55.2268      6      good
chromium@493190      302.996 +- 27.2712      6      good
chromium@493191      599.015 +- 457.54       6      bad       <--
chromium@493192      490.674 +- 250.76       6      bad
chromium@493193      633.189 +- 388.35       6      bad
chromium@493199      521.659 +- 357.951      6      bad
chromium@493246      670.264 +- 251.987      6      bad
chromium@493341      612.22 +- 338.552       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=load.media.imgur system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969913135764948688


For feedback, file a bug with component Speed>Bisection