All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732852

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtvC2qQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1vPcvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1unkvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrvr6ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglqKb0wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5tmx6woM


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

chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win8-dual
win-high-dpi

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976884503248418336

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_media/load_media_youtube


Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.youtube system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976884503248418336

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5280654150860800


| 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!

"Bisect failed for unknown reasons"

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976879753678205216

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

Hi danakj@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 : danakj
  Commit : f4730d5033656a932a06a3d6465fd3be9591b9c3
  Date   : Wed Jun 07 15:30:30 2017
  Subject: cc: Make DisplayItemList hold a single PaintOpBuffer directly.

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : system_health.memory_desktop
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_media/load_media_youtube
  Change       : 15.37% | 123850665.333 -> 142408276.0

Revision             Result                     N
chromium@477612      123850665 +- 13862220      9       good
chromium@477636      122206804 +- 5523279       6       good
chromium@477648      124648020 +- 4314191       6       good
chromium@477654      124631636 +- 4403792       6       good
chromium@477657      120617556 +- 21675976      6       good
chromium@477658      139409251 +- 4439959       6       bad       <--
chromium@477659      145128020 +- 6886427       6       bad
chromium@477706      138185563 +- 34687171      14      bad
chromium@477799      142408276 +- 7222501       9       bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.media.youtube system_health.memory_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976879753678205216

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5280654150860800


| 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!

r479057 will probably recover this

This recovered.