package main import ( "fmt" "runtime" "time" "zero/core/stat" ) func main() { fmt.Println(runtime.NumCPU()) for i := 0; i < runtime.NumCPU()+10; i++ { go func() { for { select { default: time.Sleep(time.Microsecond) } } }() } ticker := time.NewTicker(time.Second * 5) defer ticker.Stop() for { select { case <-ticker.C: percent := stat.CpuUsage() fmt.Println("cpu:", percent) } } }