def get_display(self):

        top = self.top

        top.add("<br/>")
        top.add_style("margin-left: 10px")
        try:
            import multiprocessing
            cpu_count = multiprocessing.cpu_count()
        except (ImportError, NotImplementedError):
            cpu_count = 'n/a'
        title = DivWdg()
        title.add("Click to start performance test: ")
        title.add_style("float: left")
        top.add(title)
        title.add_style("margin-top: 5px")

        button = ActionButtonWdg(title='Test')
        top.add(button)