All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=764341

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=22aabce8b1c4a2aa9116580855f735cf3786bcc5f0a1bf744ce2ec4bd45c3143


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8968648696633233328

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

Suspected Commit
  Author : Dave Tapuska
  Commit : fbf2168e533bf593c0dfc5300f6a86f13fda3845
  Date   : Fri Sep 08 03:15:11 2017
  Subject: Reland "Enable mojo input messages on all platforms other than android."

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : thread_times.tough_compositor_cases
  Metric       : tasks_per_frame_renderer_compositor/tasks_per_frame_renderer_compositor
  Change       : 3.47% | 6.99841304257 -> 7.2412484931

Revision             Result                    N
chromium@500435      6.99841 +- 0.0311269      6      good
chromium@500471      6.99239 +- 0.0202453      6      good
chromium@500489      6.99121 +- 0.0279744      6      good
chromium@500494      7.00984 +- 0.0236105      6      good
chromium@500495      6.99207 +- 0.0328743      6      good
chromium@500496      7.25423 +- 0.0346095      6      bad       <--
chromium@500498      7.24973 +- 0.0348237      6      bad
chromium@500507      7.24125 +- 0.0589325      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 thread_times.tough_compositor_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968648696633233328


For feedback, file a bug with component Speed>Bisection