All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=647337

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2dzDpQoM


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001431247035709872

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


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@418541  32.865   6.61554  8   good
chromium@418555  36.0043  7.65828  8   good
chromium@418562  36.9391  8.45975  8   good
chromium@418565  35.6903  10.2582  12  good
chromium@418567  65.7737  24.8756  12  bad
chromium@418568  72.5726  17.8587  8   bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 647337

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.sync_scroll.key_mobile_sites_smooth
Test Metric: first_gesture_scroll_update_latency/Blogger
Relative Change: 96.35%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1620
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9001431247035709872


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5334991666413568

| 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!

perf sheriff fixit: unsetting owner for bugs owned by perf sheriffs to clarify that they are triaged by a rotation.

All of these graphs recovered on Sep 20.

FYI tdresser for smoothness input latency metrics.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982619866962288176