All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758188

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=abece0eb7f1fdb3da1653ecfcf466f2eaeaa9ac34b85ec5e253740cb3efc9927


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970462504731242048

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

Suspected Commit
  Author : Greg Kerr
  Commit : 9705b7aaabf4c81d4e9cb13174338df9bde61cc4
  Date   : Tue Aug 15 19:42:42 2017
  Subject: Enable Finch Trial Test for MacV2Sandbox.

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstPaint_avg/load_search/load_search_baidu
  Change       : 48.33% | 183.269333332 -> 274.837666666

Revision             Result                  N
chromium@490934      183.269 +- 48.6877      6       good
chromium@492882      191.968 +- 64.6558      9       good
chromium@493857      228.57 +- 143.702       14      good
chromium@494344      199.734 +- 191.978      14      good
chromium@494466      231.205 +- 81.8579      9       good
chromium@494497      228.5 +- 102.499        9       good
chromium@494501      208.928 +- 147.969      9       good
chromium@494502      264.343 +- 107.112      14      bad       <--
chromium@494503      267.418 +- 114.415      14      bad
chromium@494505      278.899 +- 77.0379      9       bad
chromium@494512      273.197 +- 45.9547      9       bad
chromium@494527      267.972 +- 92.8339      14      bad
chromium@494587      276.491 +- 65.3757      9       bad
chromium@494830      274.838 +- 66.7152      9       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.search.baidu system_health.common_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970462504731242048


For feedback, file a bug with component Speed>Bisection