All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=660157

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgvdLSqwkM


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8997615226750456160

===== 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@427003  3.03229  0.0107465  18  good
chromium@427004  3.03357  0.0119996  18  bad

Bisect job ran on: android_nexus5_perf_bisect
Bug ID: 660157

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.key_idle_power_cases
Test Metric: tasks_per_second_total_all/set-timeout.html (Long Idle)
Relative Change: 0.22%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/4301
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8997615226750456160


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5847626690330624

| 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/8997522504791620896

Re-running with wider rev range to improve confidence.

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/4302
Failure reason: the build has failed.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8997434943113955472

Retrying bisect again...

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/4306
Failure reason: the build has failed.

I give up. Infra is broken on the android_nexus5_perf_bisect bot.

Dave, can you take a look at the failed bisects as part of your bug triage rotation?