This test has been running since a bit before 8AM.  I'm assuming as a CQ test this is way too long.

http://chromeos-server14.mtv.corp.google.com/afe/#tab_id=view_job&object_id=80040838

07:57:14 WARNI| GPU frequency tracing not enabled.
07:57:14 WARNI| Autotest caught exception when running test:
Traceback (most recent call last):
  File "/usr/local/autotest/common_lib/test.py", line 567, in _exec
    _cherry_pick_call(self.initialize, *args, **dargs)
  File "/usr/local/autotest/common_lib/test.py", line 719, in _cherry_pick_call
    return func(*p_args, **p_dargs)
  File "/usr/local/autotest/tests/power_Consumption/power_Consumption.py", line 81, in initialize
    self._statomatic = power_status.StatoMatic()
  File "/usr/local/autotest/cros/power_status.py", line 1178, in __init__
    os.listdir(DevFreqStats._DIR)])
  File "/usr/local/autotest/cros/power_status.py", line 866, in __init__
    super(DevFreqStats, self).__init__(name=f)
  File "/usr/local/autotest/cros/power_status.py", line 552, in __init__
    self._stats = self._read_stats()
  File "/usr/local/autotest/cros/power_status.py", line 879, in _read_stats
    stats[freq_iter.next()] += int(line.strip().split()[-1])
StopIteration