All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=752060

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6dcd4ddfaaf5dd143e06f01bae7bcc8b1af9347ad8be41a678b8fe32117ebda4


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

android-nexus6
android-one
android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972283117432907696

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

Suspected Commit
  Author : Helen Li
  Commit : 73f7cac54a1108eac07d5c7c3367f979a899a0bd
  Date   : Thu Jul 27 14:57:57 2017
  Subject: [wpr-go] Switch system_health_mobile.json to use go

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : Optimize:duration_avg/browse_news/browse_news_cricbuzz
  Change       : 2540.07% | 0.463333333333 -> 12.2323333333

Revision             Result                    N
chromium@489896      0.463333 +- 0.404615      6      good
chromium@489919      0.391 +- 0.248177         6      good
chromium@489922      0.372 +- 0.0699571        6      good
chromium@489923      12.7968 +- 2.67143        6      bad       <--
chromium@489924      13.5875 +- 1.6496         6      bad
chromium@489925      11.0987 +- 3.29302        6      bad
chromium@489931      12.1053 +- 1.81478        6      bad
chromium@489942      12.2323 +- 3.39475        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=browse.news.cricbuzz v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8972283117432907696


For feedback, file a bug with component Speed>Bisection

+ ulan, cbruni@:
What does v8.runtimestats.browsing_mobile measure? Could you take a look at this alert? Do the graphs look reasonable?