All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=619012

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg_MSlswoM


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

android-nexus5X

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev    N   Good?
chromium@398615  3.15692  0.021574   18  good
chromium@398668  3.16282  0.0244177  18  bad

Bisect job ran on: android_nexus5X_perf_bisect
Bug ID: 619012

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests thread_times.key_idle_power_cases
Test Metric: tasks_per_second_total_all/css-animation.html
Relative Change: 0.28%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/213
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9010235632449073584


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5799658882859008

| 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!

Re-kicked with wider range

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev    N   Good?
chromium@398530  3.14844  0.011885   18  good
chromium@398907  3.15157  0.0159147  18  bad

Bisect job ran on: android_nexus5X_perf_bisect
Bug ID: 619012

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests thread_times.key_idle_power_cases
Test Metric: tasks_per_second_total_all/css-animation.html
Relative Change: 0.34%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/219
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9009963730956714752


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5797093310988288

| 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!

Closing, unable to reproduce for bisect.