All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=726798

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghpzBuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghoDHrwoM


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

chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978507693916050320

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

Suspected Commit
  Author : fsamuel
  Commit : b520968f4ac40fb89ce25329134b388ca42cca12
  Date   : Thu May 25 03:10:42 2017
  Subject: cc::SurfaceDependencyTracker should not crash when a Display goes away

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : cpu_utilization/tulip2.ogg_browser
  Change       : 63.45% | 2.31356978488 -> 3.78145965256

Revision             Result                    N
chromium@474496      2.31357 +- 0.077781       6      good
chromium@474535      2.35269 +- 0.0476851      6      good
chromium@474538      2.36777 +- 0.0749046      6      good
chromium@474539      3.80109 +- 0.171215       6      bad       <--
chromium@474540      3.75961 +- 0.128509       6      bad
chromium@474545      3.80267 +- 0.134497       6      bad
chromium@474555      3.56654 +- 1.01511        6      bad
chromium@474574      3.78146 +- 0.040707       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 media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978507693916050320

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6352829461037056


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!