How to use the harvesters._private.core.helper.profiler.Profiler function in harvesters

#
        self._cti_files = []
        self._producers = []
        self._systems = []
        self._interfaces = []
        self._device_info_list = []
        self._ias = []

        #
        self._has_revised_device_list = False
        self._timeout_for_update = 1000  # ms

        #
        if profile:
            from harvesters._private.core.helper.profiler import Profiler
            self._profiler = Profiler()
        else:
            self._profiler = None

        if self._profiler:
            self._profiler.print_diff()

        #
        self._finalizer = weakref.finalize(self, self._reset)

#
        self._cti_files = []
        self._producers = []
        self._systems = []
        self._interfaces = []
        self._device_info_list = []

        #
        self._has_revised_device_list = False
        self._timeout_for_update = 1000  # ms

        #
        if profile:
            from harvesters._private.core.helper.profiler import Profiler
            self._profiler = Profiler()
        else:
            self._profiler = None

        if self._profiler:
            self._profiler.print_diff()