def __init__(self, timer=None, bias=None):
        self.timings = {}
        self.cur = None
        self.cmd = ""
        self.c_func_name = ""

        if bias is None:
            bias = self.bias
        self.bias = bias     # Materialize in local dict for lookup speed.

        if not timer:
            if _has_res:
                self.timer = resgetrusage
                self.dispatcher = self.trace_dispatch
                self.get_time = _get_time_resource
            elif hasattr(time, 'clock'):
                self.timer = self.get_time = time.clock
                self.dispatcher = self.trace_dispatch_i
            elif hasattr(os, 'times'):
                self.timer = os.times
                self.dispatcher = self.trace_dispatch
                self.get_time = _get_time_times
            else:
                self.timer = self.get_time = time.time
                self.dispatcher = self.trace_dispatch_i
        else:
            self.timer = timer
            t = self.timer() # test out timer function
            try:
                length = len(t)
            except __HOLE__:
                self.get_time = timer
                self.dispatcher = self.trace_dispatch_i
            else:
                if length == 2:
                    self.dispatcher = self.trace_dispatch
                else:
                    self.dispatcher = self.trace_dispatch_l
                # This get_time() implementation needs to be defined
                # here to capture the passed-in timer in the parameter
                # list (for performance).  Note that we can't assume
                # the timer() result contains two values in all
                # cases.
                def get_time_timer(timer=timer, sum=sum):
                    return sum(timer())
                self.get_time = get_time_timer
        self.t = self.get_time()
        self.simulate_call('profiler')

    # Heavily optimized dispatch routine for os.times() timer
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/profile.py/Profile.__init__