All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=739307

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7sXr5wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7ruGvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnsbL8AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnsDZ9AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3qaDrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnpHp5gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7oPP_goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgntu0nQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnrzEoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnqOM7ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7pnMogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnoOLtQkM


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one
chromium-rel-win10
chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974917652525162560

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : after_load:power_avg/load_games/load_games_bubbles


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.games.bubbles 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/8974917652525162560


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974811446036221328

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974811419475916384

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

Suspected Commit
  Author : tzik
  Commit : 211d6bc6aacfeed4aa730418801c86c7cef6719c
  Date   : Thu Jun 29 04:19:13 2017
  Subject: Notify RendererScheduler of starting LOADING phase on DidStartProvisionalLoad

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : cpu_time_percentage_avg/browse_shopping/browse_shopping_amazon
  Change       : 7.63% | 0.993230055124 -> 1.06899634307

Revision             Result                     N
chromium@483182      0.99323 +- 0.0119165       6      good
chromium@483247      0.99704 +- 0.0133875       6      good
chromium@483279      1.00108 +- 0.0111462       6      good
chromium@483287      1.00054 +- 0.0124488       6      good
chromium@483291      0.997622 +- 0.0234528      6      good
chromium@483293      0.998218 +- 0.0248118      6      good
chromium@483294      0.998451 +- 0.0122063      6      good
chromium@483295      1.06899 +- 0.0220493       6      bad       <--
chromium@483311      1.069 +- 0.010498          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=browse.shopping.amazon 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/8974811446036221328


For feedback, file a bug with component Speed>Bisection

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

Suspected Commit
  Author : tzik
  Commit : 211d6bc6aacfeed4aa730418801c86c7cef6719c
  Date   : Thu Jun 29 04:19:13 2017
  Subject: Notify RendererScheduler of starting LOADING phase on DidStartProvisionalLoad

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : cpu_time_percentage_avg/browse_social/browse_social_facebook
  Change       : 11.37% | 0.527797595462 -> 0.587819487017

Revision             Result                      N
chromium@483279      0.527798 +- 0.0179566       6      good
chromium@483292      0.532575 +- 0.0102945       6      good
chromium@483294      0.530827 +- 0.00606226      6      good
chromium@483295      0.587344 +- 0.0150526       6      bad       <--
chromium@483298      0.585211 +- 0.0136256       6      bad
chromium@483304      0.587819 +- 0.016874        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=browse.social.facebook 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/8974811419475916384


For feedback, file a bug with component Speed>Bisection