All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=666006

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgi__1vwoM


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8995810221066544384

===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@431449  772.795  74.9778  25  good
chromium@431466  856.386  69.8719  25  bad
chromium@431483  860.281  73.2842  25  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 666006

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.layout
Test Metric: layers_overlap_2d/layers_overlap_2d
Relative Change: 11.32%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2760
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8995810221066544384


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6439949954449408

| 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 Tests>AutoBisect.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8995783957444938320

===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@431449  773.166  60.3418  25  good
chromium@431466  850.154  67.7524  25  bad
chromium@431483  853.813  69.3772  25  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 666006

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.layout
Test Metric: layers_overlap_2d/layers_overlap_2d
Relative Change: 10.43%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2763
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8995783957444938320


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5239200578797568

| 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 Tests>AutoBisect.  Thank you!

Both bisects timed out after a test ran with no output for an hour. This is bug 664765.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982651501968955024

This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.