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monitor
├── agent
│   ├── config.go
│   ├── config.toml
│   ├── main.go
│   ├── sched.go
│   ├── sender.go
│   ├── user.go
│   └── usr.py
├── common
│   └── model.go
├── saver
│   └── main.go
└── trans
    └── main.go

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package main

import (
	"fmt"
	"time"

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

func main() {
	cpus, err := cpu.Percent(time.Second, true)
	if err != nil {
		panic(err)
	}

	fmt.Println(cpus)

	loadavg, err := load.Avg()
	if err != nil {
		panic(err)
	}
	fmt.Println(loadavg)

	memstat, err := mem.VirtualMemory()
	if err != nil {
		panic(err)
	}

	fmt.Println(memstat.UsedPercent)
	fmt.Println(memstat.Used / 1024 / 1024)

	diskstat, err := disk.Usage("/")
	if err != nil {
		panic(err)
	}

	fmt.Println(diskstat.UsedPercent)
}