All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=776924

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=257e42bbc7c2f53e2c935a04f52405cae40fec514eccbe7b67cbef0418d8384a


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965185858793826960

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

Suspected Commit
  Author : Tommy Steimel
  Commit : 07624e078141bbbe3612245d0ae57c617601c15f
  Date   : Tue Oct 17 04:06:09 2017
  Subject: Show sound content setting in Page Info when tab is audible on Android

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_browser_cpu_time_per_frame/https___www.google.com_search?hl_en_q_define%3Aboogie
  Change       : 13.12% | 3.26642860624 -> 3.6949704748

Revision             Result                   N
chromium@509184      3.26643 +- 0.191649      6      good
chromium@509232      3.25565 +- 0.355789      6      good
chromium@509256      3.28876 +- 0.348591      6      good
chromium@509268      3.24338 +- 0.363212      6      good
chromium@509274      3.26946 +- 0.37233       6      good
chromium@509277      3.129 +- 0.492555        6      good
chromium@509278      3.72507 +- 0.296382      6      bad       <--
chromium@509279      3.69497 +- 0.351939      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=https...www.google.com.search.hl.en.q.define.3Aboogie thread_times.key_silk_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965185858793826960


For feedback, file a bug with component Speed>Bisection