package main

import (
	"runtime"
	"fmt"

)
type SystemStat struct {
	Alloc        uint64
	TotalAlloc   uint64
	HeapAlloc    uint64
	HeapSys      uint64
	NumCPU       int
	NumGoroutine int
	GoVersion    string
}

func main() {
	mem := runtime.MemStats{}
	runtime.ReadMemStats(&mem)

	stat := SystemStat{
		Alloc:        mem.Alloc,
  		TotalAlloc:   mem.TotalAlloc,
  		HeapAlloc:    mem.HeapAlloc,
  		HeapSys:      mem.HeapSys,
  		NumCPU:       runtime.NumCPU(),
  		NumGoroutine: runtime.NumGoroutine(),
  		GoVersion:    runtime.Version(),
	}

	fmt.Printf("%+v\n", stat)
}