Function parseDeviceIODone

bcachefs/get.go:488–534

(path string)

}

func parseDeviceIODone(path string) (map[string]map[string]uint64, error) {
	file, err := openIfExists(path)
	if err != nil {
		return nil, err
	}
	if file == nil {
		return map[string]map[string]uint64{}, nil
	}
	defer file.Close()

	stats := make(map[string]map[string]uint64)
	scanner := bufio.NewScanner(file)
	var currentOp string

	for scanner.Scan() {
		line := strings.TrimSpace(scanner.Text())
		if line == "" {
			continue
		}
		if line == "read:" || line == "write:" {
			currentOp = strings.TrimSuffix(line, ":")
			if _, ok := stats[currentOp]; !ok {
				stats[currentOp] = make(map[string]uint64)
			}
			continue
		}
		if currentOp == "" {
			continue
		}
		parts := strings.SplitN(line, ":", 2)
		if len(parts) != 2 {
			continue
		}
		dataType := strings.TrimSpace(parts[0])
		valueStr := strings.TrimSpace(parts[1])
		value, err := strconv.ParseUint(valueStr, 10, 64)
		if err != nil {
			return nil, err
		}
		stats[currentOp][dataType] = value
	}

	if err := scanner.Err(); err != nil {
		return nil, err
	}
	return stats, nil
}

func parseDeviceIOErrors(path string) (map[string]uint64, error) {
	file, err := openIfExists(path)