parameters: (self, linux_based_platform_backend, standalone=False)
docstring: Constructor.
  
      Args:
          linux_based_platform_backend: A LinuxBasedPlatformBackend object.
          standalone: If it is not wrapping another monitor, set to True.
  
      Attributes:
          _cpus: A list of the CPUs on the target device.
          _end_time: The time the test stopped monitoring power.
          _final_cstate: The c-state residency times after the test.
          _final_freq: The CPU frequency times after the test.
          _initial_cstate: The c-state residency times before the test.
          _initial_freq: The CPU frequency times before the test.
          _platform: A LinuxBasedPlatformBackend object associated with the
              target platform.
          _start_time: The time the test started monitoring power.
docstring_summary: Constructor.
docstring_tokens: Constructor .
function: def __init__(self, linux_based_platform_backend, standalone=False):
      """Constructor.
  
      Args:
          linux_based_platform_backend: A LinuxBasedPlatformBackend object.
          standalone: If it is not wrapping another monitor, set to True.
  
      Attributes:
          _cpus: A list of the CPUs on the target device.
          _end_time: The time the test stopped monitoring power.
          _final_cstate: The c-state residency times after the test.
          _final_freq: The CPU frequency times after the test.
          _initial_cstate: The c-state residency times before the test.
          _initial_freq: The CPU frequency times before the test.
          _platform: A LinuxBasedPlatformBackend object associated with the
              target platform.
          _start_time: The time the test started monitoring power.
      """
      super(SysfsPowerMonitor, self).__init__()
      self._cpus = None
      self._final_cstate = None
      self._final_freq = None
      self._initial_cstate = None
      self._initial_freq = None
      self._platform = linux_based_platform_backend
      self._standalone = standalone
function_tokens: def __init__ ( self , linux_based_platform_backend , standalone = False ) : super ( SysfsPowerMonitor , self ) . __init__ ( ) self . _cpus = None self . _final_cstate = None self . _final_freq = None self . _initial_cstate = None self . _initial_freq = None self . _platform = linux_based_platform_backend self . _standalone = standalone