psutil

type CPU struct {
	Info  []cpu.InfoStat  `yaml:"info,omitempty" json:"info,omitempty" toml:"info,omitempty"`
	Times []cpu.TimesStat `yaml:"times,omitempty" json:"times,omitempty" toml:"times,omitempty"`
}

type Host struct {
	Info *host.InfoStat `yaml:"info,omitempty" json:"info,omitempty" toml:"info,omitempty"`
}

type Load struct {
	Avg *load.AvgStat `yaml:"avg,omitempty" json:"avg,omitempty" toml:"avg,omitempty"`
}

type Mem struct {
	Swap    *mem.SwapMemoryStat    `yaml:"swap,omitempty" json:"swap,omitempty" toml:"swap,omitempty"`
	Virtual *mem.VirtualMemoryStat `yaml:"virtual,omitempty" json:"virtual,omitempty" toml:"virtual,omitempty"`
	Devices []*mem.SwapDevice      `yaml:"devices,omitempty" json:"devices,omitempty" toml:"devices,omitempty"`
}

type Net struct {
	Counters []net.IOCountersStat `yaml:"counters,omitempty" json:"counters,omitempty" toml:"counters,omitempty"`
}

type Response struct {
	CPU  *CPU  `yaml:"cpu,omitempty" json:"cpu,omitempty" toml:"cpu,omitempty"`
	Host *Host `yaml:"host,omitempty" json:"host,omitempty" toml:"host,omitempty"`
	Load *Load `yaml:"load,omitempty" json:"load,omitempty" toml:"load,omitempty"`
	Mem  *Mem  `yaml:"mem,omitempty" json:"mem,omitempty" toml:"mem,omitempty"`
	Net  *Net  `yaml:"net,omitempty" json:"net,omitempty" toml:"net,omitempty"`
}