proc

var (
	// ResctrlPath is the patch to resctrl
	ResctrlPath string
	// MbaInfoPath is the MBA path of
	MbaInfoPath string
)

var IsEnableMba = func() (bool, error) {
	_, err := findMountDir(ResctrlPath)
	if err != nil {
		return false, err
	}
	if stat, err := os.Stat(MbaInfoPath); err == nil {
		if stat.IsDir() {
			return true, nil
		}
		return false, nil
	}
	return false, err
}

var IsL3CatAvailable = func() (bool, error) {
	return parseCPUInfoFile("cat_l3")
}

var IsMbaAvailable = func() (bool, error) {
	return parseCPUInfoFile("mba")
}

var ListProcesses = func() map[string]Process {
	processes := make(map[string]Process)
	files, _ := filepath.Glob("/proc/[0-9]*/cmdline")
	for _, file := range files {

		listfs := strings.Split(file, "/")
		if pid, err := strconv.Atoi(listfs[2]); err == nil {

			cmd, _ := ioutil.ReadFile(file)
			cmdString := strings.Join(strings.Split(string(cmd), "\x00"), " ")
			processes[listfs[2]] = Process{pid, cmdString}
		}
	}

	return processes
}