All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727760

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghurytQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghpWLpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-v33vAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-ompzwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghqu0oQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-t-GgwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-riX-AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-u2wrAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghvjGtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghrvSuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghtnPggkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghsiE5QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghqGa-wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-t7OtAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghsbChggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghu36_wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-u3aogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-v3K6AgM


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

chromium-rel-mac-retina
chromium-rel-mac12-mini-8gb

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978150656093157984

=== Auto-CCing suspected CL author fsamuel@chromium.org ===

Hi fsamuel@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : fsamuel
  Commit : d71466ad118aca05aa347c9766f80a5f77528588
  Date   : Thu May 25 20:35:22 2017
  Subject: cc::SurfaceDependencyTracker should not crash when a Display goes away

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : idle_wakeups_browser/video.html?src_tulip2.wav_type_audio
  Change       : 181.38% | 373.333333333 -> 1050.5

Revision             Result                  N
chromium@474705      373.333 +- 19.6299      6      good
chromium@474773      368.0 +- 20.199         6      good
chromium@474782      367.5 +- 19.4808        6      good
chromium@474783      1048.0 +- 41.833        6      bad       <--
chromium@474784      1054.0 +- 46.5833       6      bad
chromium@474786      1077.5 +- 63.8396       6      bad
chromium@474790      1030.83 +- 287.4        6      bad
chromium@474807      1052.33 +- 50.3322      6      bad
chromium@474841      1050.5 +- 63.4153       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=video.html.src.tulip2.wav.type.audio media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978150656093157984

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6400031176785920


| 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!