All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=747881

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=24521c3a3b5cee4ffd0f186a8b9b4c1412990cff6b098ade0403a609fafeb301


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973192222101824480

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-cold/Naver

Revision             Result                  N
chromium@487310      254.459 +- 42.2239      21      good
chromium@487394      253.595 +- 42.5079      21      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=Naver loading.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973192222101824480


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973181789947358976

Kicked new bisect: 487168-487515

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-cold/Naver

Revision             Result                  N
chromium@487168      252.827 +- 56.3662      21      good
chromium@487879      252.649 +- 55.5902      21      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=Naver loading.desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973181789947358976


For feedback, file a bug with component Speed>Bisection

bisect can't repro, and the graph came back down.