The example of gopsutil, get the info of CPU memory and disk

gopsutil_example.go

import (
	"fmt"
	"net/http"
	"os"
	"time"

	"github.com/shirou/gopsutil/cpu"
	"github.com/shirou/gopsutil/disk"
	"github.com/shirou/gopsutil/mem"

)

func getDeviceInfo() map[string]interface{} {
	//https://koangel.github.io/2017/05/04/gopsutil-get-system/
	v, _ := mem.VirtualMemory()
	// c, _ := cpu.Info()
	cc, _ := cpu.Percent(time.Second, true)
	d, _ := disk.Usage("/")

	info := make(map[string]interface{})
	info["mem_usage"] = fmt.Sprintf("%.2f %%", v.UsedPercent)
	info["cpu_usage"] = fmt.Sprintf("%.2f %%", cc[0])
	info["disk_usage"] = fmt.Sprintf("%.2f %%", d.UsedPercent)

	return info
}