38 lines
744 B
Go
38 lines
744 B
Go
package main
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import (
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"flag"
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"fmt"
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"github.com/shirou/gopsutil/process"
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"os"
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"time"
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)
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func main() {
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flagPID := flag.Int("p", 1, "PID for process to monitor")
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flagNUM := flag.Int("n", -1, "Stop after n times of displaying stat")
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flag.Parse()
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p, _ := process.NewProcess(int32(*flagPID))
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v, err := p.Times()
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name, _ := p.Name()
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cnt := 0
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for {
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if *flagNUM >= 0 && cnt >= *flagNUM {
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os.Exit(0)
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}
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if err == nil {
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cpuUsage, _ := p.CPUPercent()
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fmt.Printf("%d %s cpu: %3.2f%% user: %-3.2f system: %0.2f iowait: %0.2f irq: %0.2f softirq: %0.2f\n",
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time.Now().Unix(), name, cpuUsage, v.User, v.System, v.Iowait, v.Irq, v.Softirq)
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} else {
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fmt.Println(err)
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}
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time.Sleep(time.Second)
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cnt++
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}
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}
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