profiler.py 文件源码

def start_experiment(self):
        if self.graph_only:
            return

         # start pre-configuration commands
        for vnf_name, cmd_list in self.pre_config_commands.items():
            for cmd in cmd_list:
                self.emu.exec(vnf_name=vnf_name, cmd=cmd)

        # start overload detection
        #if len(self.overload_vnf_list) > 0 :
        self.overload_monitor.start(self.emu)

        # start the profling loop
        self.profiling_thread.start()

        if self.no_display == False:
            # nicely print values
            rows, columns = os.popen('stty size', 'r').read().split()
            # Set the Terminal window size larger than its default
            # to make sure the profiling results are fitting
            if int(rows) < 40 or int(columns) < 130:
                sys.stdout.write("\x1b[8;{rows};{cols}t".format(rows=40, cols=130))
            # print something to reset terminal
            print("")
            n = os.system("clear")
            # Add a delay to allow settings to settle...
            time.sleep(1)
            curses.wrapper(self.display_loop)
        else:
            # wait for profiling thread to end
            self.profiling_thread.join()

        # stop overload detection
        self.overload_monitor.stop(self.emu)

        # write results to file
        self.write_results_to_file(self.results_file)

        #finalize the calculation of the performance profile
        self.profile_calc.finalize_graph(show_final=self.no_display)