func GetIdleCpu() float64 {
command := ""
if global.IsLinux() {
command = `uptime | awk '{print $10}'`
} else if global.IsMac() {
command = `uptime | awk '{print $8}'`
} else {
return 1
}
cmd := exec.Command("/bin/sh", "-c", command)
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return 1
}
line, err := out.ReadString('\n')
line = strings.Replace(line, "\n", "", -1)
if err != nil || line == "" {
return 1
}
tokens := strings.Split(line, " ")
use, err := strconv.ParseFloat(tokens[0], 64)
if err != nil {
return 1
}
if global.IsLinux() {
return (1 - use) / 1
} else if global.IsMac() {
return (100 - use) / 100
} else {
return 1
}
}
func GetIdleMems() float64 {
//此命令仅在linux下使用
if global.IsLinux() == false {
return 1
}
cmd := exec.Command("/bin/sh", "-c", `free -m | grep 'Mem' | awk '{print $2" "$3" "$4" "$5" "$6" "$7}'`)
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return 1
}
line, err := out.ReadString('\n')
line = strings.Replace(line, "\n", "", -1)
if err != nil || line == "" {
return 1
}
tokens := strings.Split(line, " ")
total, err := strconv.ParseFloat(tokens[0], 64)
if err != nil {
return 1
}
idle1, err := strconv.ParseFloat(tokens[2], 64)
if err != nil {
return 1
}
idle2, err := strconv.ParseFloat(tokens[4], 64)
if err != nil {
return 1
}
idle3, err := strconv.ParseFloat(tokens[5], 64)
if err != nil {
return 1
}
return (idle1 + idle2 + idle3) / total
}
