동일 실행파일을 여러개 실행시켰을 때 구분해서 affinity 설정

client/client_misc.go

@@ -0,0 +1,41 @@
+//go:build !linux
+
+package client
+
+func set_affinity(pid int, cpu int) {
+
+}
+
+// package main
+
+// import (
+// 	"fmt"
+// 	"syscall"
+// 	"time"
+// 	"unsafe"
+// )
+
+// func main() {
+// 	var mask uintptr
+
+// 	// Get the current CPU affinity of the process
+// 	if _, _, err := syscall.RawSyscall(syscall.SYS_SCHED_GETAFFINITY, 0, uintptr(unsafe.Sizeof(mask)), uintptr(unsafe.Pointer(&mask))); err != 0 {
+// 		fmt.Println("Failed to get CPU affinity:", err)
+// 		return
+// 	}
+// 	fmt.Println("Current CPU affinity:", mask)
+
+// 	// Set the new CPU affinity
+// 	mask = 3
+// 	if _, _, err := syscall.RawSyscall(syscall.SYS_SCHED_SETAFFINITY, 0, uintptr(unsafe.Sizeof(mask)), uintptr(unsafe.Pointer(&mask))); err != 0 {
+// 		fmt.Println("Failed to set CPU affinity:", err)
+// 		return
+// 	}
+// 	fmt.Println("New CPU affinity:", mask)
+
+// 	// some code
+// 	for {
+// 		println("Hello, World!")
+// 		time.Sleep(1 * time.Second)
+// 	}
+// }