Esempio n. 1
0
func (s *PerCgroupStatMetrics) Collect() {
	file, err := os.Open(s.path + "/" + "cpu.stat")
	if err != nil {
		return
	}

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		f := regexp.MustCompile("\\s+").Split(scanner.Text(), 2)

		if f[0] == "nr_periods" {
			s.Nr_periods.Set(misc.ParseUint(f[1]))
		}

		if f[0] == "nr_throttled" {
			s.Nr_throttled.Set(misc.ParseUint(f[1]))
		}

		if f[0] == "throttled_time" {
			s.Throttled_time.Set(misc.ParseUint(f[1]))
		}
	}

	s.Cfs_period_us.Set(
		float64(misc.ReadUintFromFile(
			s.path + "/" + "cpu.cfs_period_us")))

	s.Cfs_quota_us.Set(
		float64(misc.ReadUintFromFile(
			s.path + "/" + "cpu.cfs_quota_us")))
}
Esempio n. 2
0
func (s *PerCgroupStatMetrics) Collect() {
	file, err := os.Open(s.path + "/" + "memory.stat")
	if err != nil {
		fmt.Println(err)
		return
	}

	d := map[string]*metrics.Gauge{}
	// Get all fields we care about
	r := reflect.ValueOf(s).Elem()
	typeOfT := r.Type()
	for i := 0; i < r.NumField(); i++ {
		f := r.Field(i)
		if f.Kind().String() == "ptr" && f.Type().Elem() == reflect.TypeOf(metrics.Gauge{}) {
			d[strings.ToLower(typeOfT.Field(i).Name)] =
				f.Interface().(*metrics.Gauge)
		}
	}

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		f := regexp.MustCompile("[\\s]+").Split(scanner.Text(), 2)
		g, ok := d[strings.ToLower(f[0])]
		if ok {
			parseCgroupMemLine(g, f)
		}
	}

	s.Soft_Limit_In_Bytes.Set(
		float64(misc.ReadUintFromFile(
			s.path + "/" + "memory.soft_limit_in_bytes")))
}
Esempio n. 3
0
// Collect() collects interface metrics
// TODO: perhaps use sysfs
func (s *InterfaceStat) Collect() {
	file, err := os.Open("/proc/net/dev")
	defer file.Close()
	if err != nil {
		return
	}

	var rx [8]uint64
	var tx [8]uint64

	scanner := bufio.NewScanner(file)
	scanner.Scan()
	for scanner.Scan() {
		f := strings.Split(scanner.Text(), ":")
		if len(f) < 2 {
			continue
		}
		dev := strings.TrimSpace(f[0])
		rest := f[1]
		fmt.Sscanf(rest,
			"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d",
			&rx[0], &rx[1], &rx[2], &rx[3], &rx[4], &rx[5], &rx[6], &rx[7],
			&tx[0], &tx[1], &tx[2], &tx[3], &tx[4], &tx[5], &tx[6], &tx[7])

		o, ok := s.Interfaces[dev]
		if !ok {
			o = NewPerInterfaceStat(s.m, dev)
			s.Interfaces[dev] = o
		}

		d := o.Metrics
		d.RXbytes.Set(rx[0])
		d.RXpackets.Set(rx[1])
		d.RXerrs.Set(rx[2])
		d.RXdrop.Set(rx[3])
		d.RXfifo.Set(rx[4])
		d.RXframe.Set(rx[5])
		d.RXcompressed.Set(rx[6])
		d.RXmulticast.Set(rx[7])
		d.TXbytes.Set(tx[0])
		d.TXpackets.Set(tx[1])
		d.TXerrs.Set(tx[2])
		d.TXdrop.Set(tx[3])
		d.TXfifo.Set(tx[4])
		d.TXframe.Set(tx[5])
		d.TXcompressed.Set(tx[6])
		d.TXmulticast.Set(tx[7])
		speed := misc.ReadUintFromFile("/sys/class/net/" + dev + "/speed")
		if speed > 0 {
			d.Speed.Set(float64(speed))
		}
	}
}