mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-09-20 07:27:25 +02:00
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package collectors
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import (
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"io/ioutil"
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"strconv"
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"strings"
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"time"
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)
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const CPUSTATFILE = `/proc/stat`
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type CpustatCollector struct {
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MetricCollector
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}
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func (m *CpustatCollector) Init() {
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m.name = "CpustatCollector"
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m.setup()
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}
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func ParseStatLine(line string, out map[string]interface{}) {
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ls := strings.Fields(line)
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user, _ := strconv.ParseInt(ls[1], 0, 64)
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out["cpu_user"] = float64(user)
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nice, _ := strconv.ParseInt(ls[2], 0, 64)
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out["cpu_nice"] = float64(nice)
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system, _ := strconv.ParseInt(ls[3], 0, 64)
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out["cpu_system"] = float64(system)
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idle, _ := strconv.ParseInt(ls[4], 0, 64)
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out["cpu_idle"] = float64(idle)
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iowait, _ := strconv.ParseInt(ls[5], 0, 64)
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out["cpu_iowait"] = float64(iowait)
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irq, _ := strconv.ParseInt(ls[6], 0, 64)
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out["cpu_irq"] = float64(irq)
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softirq, _ := strconv.ParseInt(ls[7], 0, 64)
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out["cpu_softirq"] = float64(softirq)
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steal, _ := strconv.ParseInt(ls[8], 0, 64)
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out["cpu_steal"] = float64(steal)
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guest, _ := strconv.ParseInt(ls[9], 0, 64)
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out["cpu_guest"] = float64(guest)
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guest_nice, _ := strconv.ParseInt(ls[10], 0, 64)
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out["cpu_guest_nice"] = float64(guest_nice)
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}
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func (m *CpustatCollector) Read(interval time.Duration) {
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buffer, err := ioutil.ReadFile(string(CPUSTATFILE))
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if err != nil {
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return
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}
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ll := strings.Split(string(buffer), "\n")
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for _, line := range ll {
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if len(line) == 0 {
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continue
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}
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ls := strings.Fields(line)
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if strings.Compare(ls[0], "cpu") == 0 {
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ParseStatLine(line, m.node)
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} else if strings.HasPrefix(ls[0], "cpu") {
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cpustr := strings.TrimLeft(ls[0], "cpu")
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cpu, _ := strconv.Atoi(cpustr)
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ParseStatLine(line, m.cpus[cpu])
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}
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}
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}
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func (m *CpustatCollector) Close() {
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return
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}
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