All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758226

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e523e6a381ef6490a0e71b3c1027f176b25e870b725e1efe3b1a0075d7f486dd


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

linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970456436791798960

=== 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: linux_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : modify-element-id/modify-element-id
  Change       : 10.61% | 88.2908333333 -> 97.66

Revision             Result                   N
chromium@495009      88.2908 +- 0.159037      6      good
chromium@495045      88.743 +- 0.33259        6      good
chromium@495063      89.9212 +- 0.643148      6      good
chromium@495072      86.9567 +- 0.731923      6      good
chromium@495074      87.5155 +- 0.343414      6      good
chromium@495075      87.5807 +- 0.543376      6      good
chromium@495076      96.8713 +- 2.97567       6      bad       <--
chromium@495080      96.032 +- 0.312637       6      bad
chromium@495151      97.3373 +- 0.548785      6      bad
chromium@495293      97.66 +- 3.583           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/8970456436791798960


For feedback, file a bug with component Speed>Bisection