func main() {
	flag.Parse()

	c, err := ioutil.ReadFile(*inputFile)
	if err != nil {
		log.Fatalf("Cannot open the file %s: %v", *inputFile, err)
	}

	br, fname, err := bugreportutils.ExtractBugReport(*inputFile, c)
	if err != nil {
		log.Fatalf("Error getting file contents: %v", err)
	}
	fmt.Printf("Parsing %s\n", fname)
	bs := bugreportutils.ExtractBatterystatsCheckin(br)
	if strings.Contains(bs, "Exception occurred while dumping") {
		log.Fatalf("Exception found in battery dump.")
	}
	m, err := bugreportutils.ParseMetaInfo(br)
	if err != nil {
		log.Fatalf("Unable to get meta info: %v", err)
	}
	s := &sessionpb.Checkin{
		Checkin:          proto.String(bs),
		BuildFingerprint: proto.String(m.BuildFingerprint),
	}
	pkgs, errs := packageutils.ExtractAppsFromBugReport(br)
	if len(errs) > 0 {
		log.Fatalf("Errors encountered when getting package list: %v", errs)
	}

	var ctr checkinutil.IntCounter
	stats, warns, errs := checkinparse.ParseBatteryStats(&ctr, checkinparse.CreateCheckinReport(s), pkgs)
	if len(warns) > 0 {
		log.Printf("Encountered unexpected warnings: %v\n", warns)
	}
	if len(errs) > 0 {
		log.Fatalf("Could not parse battery stats: %v\n", errs)
	}
	fmt.Println("\n################\n")
	fmt.Println("Partial Wakelocks")
	fmt.Println("################\n")
	var pwl []*checkinparse.WakelockInfo
	for _, app := range stats.App {
		for _, pw := range app.Wakelock {
			if pw.GetPartialTimeMsec() > 0 {
				pwl = append(pwl,
					&checkinparse.WakelockInfo{
						Name:     fmt.Sprintf("%s : %s", app.GetName(), pw.GetName()),
						UID:      app.GetUid(),
						Duration: time.Duration(pw.GetPartialTimeMsec()) * time.Millisecond,
					})
			}
		}

	}
	checkinparse.SortByTime(pwl)
	for _, pw := range pwl[:min(5, len(pwl))] {
		fmt.Printf("%s (uid=%d) %s\n", pw.Duration, pw.UID, pw.Name)
	}

	fmt.Println("\n################")
	fmt.Println("Kernel Wakelocks")
	fmt.Println("################\n")
	var kwl []*checkinparse.WakelockInfo
	for _, kw := range stats.System.KernelWakelock {
		if kw.GetName() != "PowerManagerService.WakeLocks" && kw.GetTimeMsec() > 0 {
			kwl = append(kwl, &checkinparse.WakelockInfo{
				Name:     kw.GetName(),
				Duration: time.Duration(kw.GetTimeMsec()) * time.Millisecond,
			})
		}
	}
	checkinparse.SortByTime(kwl)
	for _, kw := range kwl[:min(5, len(kwl))] {
		fmt.Printf("%s %s\n", kw.Duration, kw.Name)
	}

	data, err := proto.Marshal(stats)
	if err != nil {
		log.Fatalf("Error from proto.Marshal: %v", err)
	}
	ioutil.WriteFile("checkin.proto", data, 0600)
}
Esempio n. 2
0
// parseBugReport analyzes the given bug report contents, and updates the ParsedData object.
func (pd *ParsedData) parseBugReport(fname, contents string) error {
	meta, err := bugreportutils.ParseMetaInfo(contents)
	if err != nil {
		// If there are issues getting the meta info, then the file is most likely not a bug report.
		return errors.New("error parsing the bug report. Please provide a well formed bug report")
	}

	log.Printf("Trace started analyzing file.")
	// Generate the Historian plot and parse batterystats and activity manager simultaneously.
	historianCh := make(chan historianData)
	summariesCh := make(chan summariesData)
	checkinCh := make(chan checkinData)
	activityManagerCh := make(chan activityManagerData)

	// Create a temporary file to save the bug report, for the Historian script.
	brFile, err := writeTempFile(contents)

	historianOutput := historianData{"", err}
	if err == nil {
		// Don't run the Historian script if could not create temporary file.
		defer os.Remove(brFile)
		go func() {
			html, err := generateHistorianPlot(fname, brFile)
			historianCh <- historianData{html, err}
			log.Printf("Trace finished generating Historian plot.")
		}()
	}

	var errs []error
	ce := ""
	if meta.SdkVersion < minSupportedSDK {
		ce = "Unsupported bug report version."
		errs = append(errs, errors.New("unsupported bug report version"))
	} else {
		// No point running these if we don't support the sdk version since we won't get any data from them.
		bs := bugreportutils.ExtractBatterystatsCheckin(contents)

		if strings.Contains(bs, "Exception occurred while dumping") {
			// TODO: Display activity manager events even if battery data is invalid. Currently they will not be displayed.
			ce = "Exception found in battery dump."
			errs = append(errs, errors.New("exception found in battery dump"))
			close(summariesCh)
			close(checkinCh)
		} else {
			pkgs, pkgErrs := packageutils.ExtractAppsFromBugReport(contents)
			errs = append(errs, pkgErrs...)

			// Activity manager events are only parsed for supported sdk versions, even though they are still present in unsupported sdk version reports.
			// This is as the events are rendered with Historian v2, which is not generated for unsupported sdk versions.
			go func() {
				amCSV, warnings, errs := activity.Parse(pkgs, contents)
				activityManagerCh <- activityManagerData{amCSV, warnings, errs}
			}()

			go func() {
				var ctr checkinutil.IntCounter

				s := &sessionpb.Checkin{
					Checkin:          proto.String(bs),
					BuildFingerprint: proto.String(meta.BuildFingerprint),
				}
				stats, warnings, pbsErrs := checkinparse.ParseBatteryStats(&ctr, checkinparse.CreateCheckinReport(s), pkgs)
				checkinCh <- checkinData{stats, warnings, pbsErrs}
				log.Printf("Trace finished processing checkin.")
				if stats == nil {
					ce = "Could not parse aggregated battery stats."
					errs = append(errs, errors.New("could not parse aggregated battery stats"))
					// Only returning from this goroutine.
					return
				}
				pd.deviceType = stats.GetBuild().GetDevice()
			}()

			go func() {
				summariesCh <- analyze(bs, pkgs)
				log.Printf("Trace finished processing summary data.")
			}()
		}
	}

	if historianOutput.err == nil {
		historianOutput = <-historianCh
	}
	if historianOutput.err != nil {
		historianOutput.html = fmt.Sprintf("Error generating historian plot: %v", historianOutput.err)
	}

	var summariesOutput summariesData
	var checkinOutput checkinData
	var activityManagerOutput activityManagerData
	if meta.SdkVersion >= minSupportedSDK {
		summariesOutput = <-summariesCh
		checkinOutput = <-checkinCh
		activityManagerOutput = <-activityManagerCh
		errs = append(errs, append(summariesOutput.errs, append(activityManagerOutput.errs, checkinOutput.err...)...)...)
	}

	log.Printf("Trace finished generating Historian plot and summaries.")
	var loc string
	if d, err := bugreportutils.DumpState(contents); err != nil {
		log.Printf("Failed to extract time information from bugreport dumpstate: %v", err)
	} else {
		loc = d.Location().String()
	}

	warnings := append(checkinOutput.warnings, activityManagerOutput.warnings...)
	data := presenter.Data(meta,
		fname, summariesOutput.summaries,
		checkinOutput.batterystats, historianOutput.html,
		warnings,
		errs, summariesOutput.overflow)

	pd.responseArr = append(pd.responseArr, uploadResponse{
		SDKVersion:      data.SDKVersion,
		HistorianV2CSV:  appendCSVs(summariesOutput.historianV2CSV, activityManagerOutput.csv),
		LevelSummaryCSV: summariesOutput.levelSummaryCSV,
		ReportVersion:   data.CheckinSummary.ReportVersion,
		AppStats:        data.AppStats,
		DeviceCapacity:  checkinOutput.batterystats.GetSystem().GetPowerUseSummary().GetBatteryCapacityMah(),
		HistogramStats:  extractHistogramStats(data),
		TimeToDelta:     summariesOutput.timeToDelta,
		CriticalError:   ce,
		FileName:        data.Filename,
		Location:        loc,
	})
	pd.data = append(pd.data, data)
	return nil
}