All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758274

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=72825aa16f4a8415cc4cd9589ad73c004317a7f484bd0c3bb596e9552a7b0af7


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970449195696779408

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

Suspected Commit
  Author : Charles Harrison
  Commit : 007abddf6ad7f7d3f1491217119e3e7166faaace
  Date   : Thu Aug 17 21:39:49 2017
  Subject: Testing config: doc.write blocking change on slow connections only

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstContentfulPaint_avg/Regular-3G/TheStar
  Change       : 90.90% | 4966.87283333 -> 9481.88783333

Revision             Result                  N
chromium@494757      4966.87 +- 732.231      6      good
chromium@495056      4802.66 +- 213.894      6      good
chromium@495206      5089.94 +- 1605.25      6      good
chromium@495280      4812.11 +- 432.377      6      good
chromium@495317      5234.2 +- 2286.17       6      good
chromium@495322      4975.98 +- 635.531      6      good
chromium@495325      4792.03 +- 140.04       6      good
chromium@495326      4733.29 +- 114.835      6      good
chromium@495327      9281.1 +- 826.715       6      bad       <--
chromium@495336      9357.36 +- 89.4806      6      bad
chromium@495354      9481.89 +- 1137.18      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=TheStar loading.mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970449195696779408


For feedback, file a bug with component Speed>Bisection

I can't see the graphs  https://chromeperf.appspot.com/group_report?bug_id=758274

"No data available for csharrison@chromium.org"

Since the bug is merged, they got moved to  bug 758277 . You can use "Original alerts at time of bug-filing" link to see them:

https://chromeperf.appspot.com/group_report?sid=72825aa16f4a8415cc4cd9589ad73c004317a7f484bd0c3bb596e9552a7b0af7