All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759731

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6fe0838bd2b78ddf121ee9c023ec86acaf4ec94e51d62810843766a38d7801f1


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

chromium-rel-mac11-air

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969998062112406832

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

Suspected Commit
  Author : Dominic Mazzoni
  Commit : 91ce4a5c047cf0a01f7d23c839bd4364428fa6ad
  Date   : Thu Aug 17 04:47:27 2017
  Subject: Add use counters for all ARIA attributes.

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : modify-element-title/modify-element-title
  Change       : 16.34% | 112.7325 -> 131.1475

Revision             Result                  N
chromium@495050      112.733 +- 4.63443      6      good
chromium@495063      112.673 +- 7.9262       6      good
chromium@495070      110.917 +- 4.84664      6      good
chromium@495073      116.183 +- 8.8405       6      good
chromium@495075      112.328 +- 6.81076      6      good
chromium@495076      127.013 +- 6.35784      6      bad       <--
chromium@495102      131.148 +- 5.3758       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 blink_perf.dom

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969998062112406832


For feedback, file a bug with component Speed>Bisection