All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=755662

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=864cefab93b463a77c0834931cb6b4236ec8166a58b8cb4b8eeccd17f55261d6


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

chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971167297451366480

=== 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: mac_10_11_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/load_games/load_games_miniclip
  Change       : 44.56% | 389.9345 -> 563.69

Revision             Result                  N
chromium@493116      389.934 +- 108.33       6      good
chromium@493176      366.41 +- 77.0039       6      good
chromium@493184      376.125 +- 77.3499      6      good
chromium@493188      365.2 +- 90.0205        6      good
chromium@493190      368.409 +- 62.5515      6      good
chromium@493191      525.553 +- 80.0005      6      bad       <--
chromium@493206      522.843 +- 60.2956      6      bad
chromium@493236      563.69 +- 85.9177       6      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.games.miniclip 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/8971167297451366480


For feedback, file a bug with component Speed>Bisection