All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=682698

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4MHb-AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NifvgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4ImWrwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4LWysgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4IDNogsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NyNrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLjOswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4Nis6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4LWysgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4InCtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NisqwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NisqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NWRpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4IfR9QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPjsrgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4OX89QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NHBuwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4PCJjAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkITpvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkMCP_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4PHQtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4PXLuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4MqSqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4Mfk8wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoOW_-QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4OWY5AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4MPE4AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4MDy5ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4IfomAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoOX18QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4IfomAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4NGsswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoOOY7AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4IOhpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoLbGyQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoLbGiQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4Nf4uQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoOOY7AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoOGL8gsM


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

android-nexus5
android-nexus5X
android-nexus7v2
android-nexus9
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990023817616230656

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

Hi altimin@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 : altimin
  Commit : 4f45c5de5f5444ffb697790c76387e66502d079f
  Date   : Wed Jan 18 10:27:25 2017
  Subject: Use loading tq instead of timer tq for per-isolate tasks

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : thread_total_all_cpu_time_per_second/request-animation-frame.html
  Change       : 283.45% | 0.160245129322 -> 0.61446398536

Revision             Result                     N
chromium@444312      0.160245 +- 0.0272439      9      good
chromium@444324      0.154947 +- 0.0107091      9      good
chromium@444326      0.159501 +- 0.0175082      6      good
chromium@444327      0.562501 +- 0.0146572      6      bad       <--
chromium@444330      0.561962 +- 0.0168167      6      bad
chromium@444336      0.614464 +- 0.137237       4      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=request.animation.frame.html thread_times.key_idle_power_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990023817616230656

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5585751468670976


| 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!

This is a revert of an earlier improvement: https://chromeperf.appspot.com/report?sid=cc7b1a6c0ba6d9844a5846074865c23d780a3a0b7969ac5813d066938ed8ccad&start_rev=440831&end_rev=444721