All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759668

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=94b8fff23667233e0850dfe124e390da0fa67bf3799bb20ae7ad37137b906c1a


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970000638001706496

=== 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_nexus5_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstPaint_avg/load_social/load_social_twitter
  Change       : 20.92% | 1277.25533333 -> 1544.45

Revision             Result                  N
chromium@492940      1277.26 +- 82.9966      6      good
chromium@493130      1288.42 +- 99.9458      6      good
chromium@493178      1271.59 +- 104.644      6      good
chromium@493190      1297.65 +- 50.9379      6      good
chromium@493191      1566.66 +- 78.5597      6      bad       <--
chromium@493192      1534.16 +- 72.7276      6      bad
chromium@493193      1555.28 +- 79.5317      6      bad
chromium@493196      1652.51 +- 458.682      6      bad
chromium@493202      1520.9 +- 84.5668       6      bad
chromium@493225      1572.96 +- 135.77       6      bad
chromium@493319      1544.45 +- 125.309      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=load.social.twitter 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/8970000638001706496


For feedback, file a bug with component Speed>Bisection