def getSystemRebootStartTime(rebootTimes):
    preloaderTimeList = []
    lkTimeList = []
    linuxInitTimeList = []
    sumTimeList = []
    bTimeList = []
    if not os.path.exists("System"):
        os.mkdir("System")
    systemRebootStartTimeFile = open("./System/systemRebootStartTime.txt", mode="w+")
    while 1:
        if rebootTimes is None:
            times = int(input("请输入需要reboot的次数(1分钟/次)："))
        else:
            times = rebootTimes
        if times > 0:
            print("Reboot")
            os.system("adb reboot")
        else:
            continue
        i = 1
        line0 = "preloaderTime    lkTime   linuxInitTime    sumTime     btime\n"
        systemRebootStartTimeFile.write(line0)
        systemRebootStartTimeFile.flush()
        timeList.append("SystemRebootStartTimes=" + str(times * 60))
        while i <= times:
            filename = "./device.txt"
            print("adb devices")
            os.system("adb devices>" + filename)
            file = open(filename, mode="r+")
            alist = file.readlines()
            print(alist)
            print(len(alist))
            if len(alist) == 3:
                print("Start")
                sn = alist[1].split("\t")[0]
                print(sn)
                d = u2.connect(sn)
                os.system("adb shell cat /proc/bootprof > ./System/bootprof_" + str(i) + ".txt")
                out = d.shell("cat /proc/bootprof")
                
                preloaderTime = str(out).split("preloader")[0].split("\\n")[3].replace(":", "").strip()
                lkTime = str(out).split("lk")[0].split("\\n")[4].replace(":", "").strip()
                # print(str(out).split("OFF")[0].split("\\n")[len(str(out).split("OFF")[0].split("\\n")) - 1].replace(":",
                #                                                                                                     "").strip())
                linuxInitTime = str(out).split("OFF")[0].split("\\n")[
                    len(str(out).split("OFF")[0].split("\\n")) - 1].replace(":", "").strip()
                preloaderTimeList.append(int(preloaderTime))
                lkTimeList.append(int(lkTime))
                linuxInitTimeList.append(float(linuxInitTime))
                sumTime = int(preloaderTime) + int(lkTime) + float(linuxInitTime)
                sumTimeList.append(sumTime)

                bout = d.shell("cat /proc/stat")
                bTime = str(bout).split("btime")[1].split("\\n")[0].strip()
                bTimeList.append(bTime)

                line = "%8s" % preloaderTime + "    %8s" % lkTime + "       %8s" % linuxInitTime + "       %8s" % sumTime + "       %12s" % bTime + "\n"
                systemRebootStartTimeFile.write(line)
                systemRebootStartTimeFile.flush()
                time.sleep(10)
                timestr = time.asctime(time.localtime(time.time()))

                file.close()
                os.remove(filename)
                os.system("adb reboot")
                print(timestr + "======Reboot。。。" + str(i))
                i += 1
                continue
            else:
                time.sleep(5)
                file.close()
                print("Remove file")
                os.remove(filename)
                print("continue")
                continue
        # 绘制曲线图
        plt.figure(figsize=(40, 20))
        plt.xlabel('Times\n red:sumTime green:linuxInitTime blue:lkTime yellow:preloaderTime', fontsize=40)  # x轴的label
        plt.ylabel('StartTime(ms)', fontsize=40)  # y轴的label
        plt.title("System Reboot StartTime", fontsize=80)
        plt.tick_params(labelsize=30)
        plt.plot(preloaderTimeList[:], linestyle="-", color='y')
        plt.plot(lkTimeList[:], linestyle="-", color='b')
        plt.plot(linuxInitTimeList[:], linestyle="-", color='g')
        plt.plot(sumTimeList[:], linestyle="-", color='r')
        plt.draw()
        figname = "./System/SystemReboot_StartTimeFigure.png"
        plt.savefig(figname)
        plt.pause(1)
        plt.close()
        line1 = "preloaderTime:MAX=" + str(np.max(preloaderTimeList)) + " Min=" + str(
            np.min(preloaderTimeList)) + "  AVG=" + str(np.mean(preloaderTimeList)) + "\n"
        line2 = "lkTime:MAX=" + str(np.max(lkTimeList)) + " Min=" + str(np.min(lkTimeList)) + "   AVG=" + str(
            np.mean(lkTimeList)) + "\n"
        line3 = "linuxInitTime:MAX=" + str(np.max(linuxInitTimeList)) + " Min=" + str(
            np.min(linuxInitTimeList)) + "  AVG=" + str(np.mean(linuxInitTimeList)) + "\n"
        line4 = "sumTime:MAX=" + str(np.max(sumTimeList)) + " Min=" + str(
            np.min(sumTimeList)) + "  AVG=" + str(np.mean(sumTimeList)) + "\n"
        systemRebootStartTimeFile.write(line1)
        systemRebootStartTimeFile.write(line2)
        systemRebootStartTimeFile.write(line3)
        systemRebootStartTimeFile.write(line4)
        # reboot StartTime 最大值和最小值差异超过10s时标记次数输出。
        if int(np.max(sumTimeList)) - int(np.min(sumTimeList)) > 10:
            maxIndex = sumTimeList.index(np.max(sumTimeList)) + 1
            minIndex = sumTimeList.index(np.min(sumTimeList)) + 1
            line5 = "max reboot startTimes:" + str(maxIndex) + "min reboot startTimes:" + str(minIndex)
            systemRebootStartTimeFile.write(line5)
        systemRebootStartTimeFile.flush()
        systemRebootStartTimeFile.close()
        break