def hz
      now = Time.now
      @started_at ||= now
      diff = now - @started_at
      diff = 1 if diff == 0
      @cycle / diff
    end
def hz
      now = Time.now
      @started_at ||= now
      diff = now - @started_at
      diff = 1 if diff == 0
      @cycle / diff
    end
Current clock_cycle