func CPUInfo() ([]CPUInfoStat, error) {
var ret []CPUInfoStat
var dst []Win32_Processor
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return ret, err
}
var procID string
for i, l := range dst {
procID = ""
if l.ProcessorId != nil {
procID = *l.ProcessorId
}
cpu := CPUInfoStat{
CPU: int32(i),
Family: fmt.Sprintf("%d", l.Family),
VendorID: l.Manufacturer,
ModelName: l.Name,
Cores: int32(l.NumberOfLogicalProcessors),
PhysicalID: procID,
Mhz: float64(l.MaxClockSpeed),
Flags: []string{},
}
ret = append(ret, cpu)
}
return ret, nil
}
func GetOSInfo() (Win32_OperatingSystem, error) {
var dst []Win32_OperatingSystem
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return Win32_OperatingSystem{}, err
}
osInfo = &dst[0]
return dst[0], nil
}
func GetWin32Proc(pid int32) ([]Win32_Process, error) {
var dst []Win32_Process
query := fmt.Sprintf("WHERE ProcessId = %d", pid)
q := wmi.CreateQuery(&dst, query)
err := wmi.Query(q, &dst)
if err != nil {
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: %s", err)
}
if len(dst) != 1 {
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: empty")
}
return dst, nil
}
func CPUPercent(interval time.Duration, percpu bool) ([]float64, error) {
var ret []float64
var dst []Win32_Processor
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return ret, err
}
for _, l := range dst {
// use range but windows can only get one percent.
if l.LoadPercentage == nil {
continue
}
ret = append(ret, float64(*l.LoadPercentage))
}
return ret, nil
}
// Get processes
func processes() ([]*Process, error) {
var dst []Win32_Process
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return []*Process{}, err
}
if len(dst) == 0 {
return []*Process{}, fmt.Errorf("could not get Process")
}
results := make([]*Process, 0, len(dst))
for _, proc := range dst {
p, err := NewProcess(int32(proc.ProcessId))
if err != nil {
continue
}
results = append(results, p)
}
return results, nil
}