68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
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package stat
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import (
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"io"
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"bufio"
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"strings"
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)
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type CPUStat struct {
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device,
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user,
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nice,
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system,
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idle,
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iowait,
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irq,
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softIrq,
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steal, // (over 2.6.11)
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guest, // (over 2.6.24)
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guestNice string //(over 2.6.33)
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}
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func (cpu CPUStat) Command() string {
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return "cat /proc/stat"
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}
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func (cpu CPUStat) Parse(r io.Reader) ([]CPUStat, error) {
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var (
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CPUStats = []CPUStat{}
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scanner = bufio.NewScanner(r)
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)
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for scanner.Scan() {
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line := scanner.Text()
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parts := strings.Fields(line)
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if !strings.HasPrefix(parts[0], "cpu") {
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continue
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}
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steal, guest, guestNice := "", "", ""
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if len(parts) > 8 {
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steal = parts[8]
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}
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if len(parts) > 9 {
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guest = parts[9]
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}
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if len(parts) > 10 {
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guestNice = parts[10]
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}
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CPUStats = append(CPUStats, CPUStat{
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device: parts[0],
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user: parts[1],
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nice: parts[2],
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system: parts[3],
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idle: parts[4],
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iowait: parts[5],
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irq: parts[6],
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softIrq: parts[7],
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steal: steal,
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guest: guest,
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guestNice: guestNice,
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})
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}
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return CPUStats, scanner.Err()
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}
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