Created
February 13, 2017 21:30
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| package main | |
| import ( | |
| "fmt" | |
| "io/ioutil" | |
| "os" | |
| "os/exec" | |
| "strings" | |
| "time" | |
| ) | |
| func main() { | |
| ch := make(chan int) | |
| done := make(chan bool) | |
| go func() { | |
| var ( | |
| name string | |
| args []string | |
| ) | |
| name = os.Args[1] | |
| if len(os.Args) > 2 { | |
| args = os.Args[2:] | |
| } | |
| cmd := exec.Command(name, args...) | |
| if err := cmd.Start(); err != nil { | |
| fmt.Println(err) | |
| ch <- -1 | |
| } | |
| ch <- cmd.Process.Pid | |
| cmd.Wait() | |
| done <- true | |
| }() | |
| pid := <-ch | |
| if -1 == pid { | |
| return | |
| } | |
| go func() { | |
| fmt.Println("Monitoring process: ", pid) | |
| path := fmt.Sprintf("/proc/%d/status", pid) | |
| for { | |
| status, err := ioutil.ReadFile(path) | |
| if err != nil { | |
| return | |
| } | |
| results := strings.Split(string(status), "\n") | |
| fmt.Println(time.Now()) | |
| fmt.Println(results[15]) | |
| fmt.Println(results[16]) | |
| fmt.Println("--------") | |
| time.Sleep(1 * time.Second) | |
| } | |
| }() | |
| <-done | |
| return | |
| } |
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