consul/vendor/github.com/shirou/gopsutil/cpu/cpu_windows.go

87 lines
2.0 KiB
Go

// +build windows
package cpu
import (
"fmt"
"syscall"
"unsafe"
"github.com/StackExchange/wmi"
"github.com/shirou/gopsutil/internal/common"
)
type Win32_Processor struct {
LoadPercentage *uint16
Family uint16
Manufacturer string
Name string
NumberOfLogicalProcessors uint32
ProcessorID *string
Stepping *string
MaxClockSpeed uint32
}
// TODO: Get percpu
func Times(percpu bool) ([]TimesStat, error) {
var ret []TimesStat
var lpIdleTime common.FILETIME
var lpKernelTime common.FILETIME
var lpUserTime common.FILETIME
r, _, _ := common.ProcGetSystemTimes.Call(
uintptr(unsafe.Pointer(&lpIdleTime)),
uintptr(unsafe.Pointer(&lpKernelTime)),
uintptr(unsafe.Pointer(&lpUserTime)))
if r == 0 {
return ret, syscall.GetLastError()
}
LOT := float64(0.0000001)
HIT := (LOT * 4294967296.0)
idle := ((HIT * float64(lpIdleTime.DwHighDateTime)) + (LOT * float64(lpIdleTime.DwLowDateTime)))
user := ((HIT * float64(lpUserTime.DwHighDateTime)) + (LOT * float64(lpUserTime.DwLowDateTime)))
kernel := ((HIT * float64(lpKernelTime.DwHighDateTime)) + (LOT * float64(lpKernelTime.DwLowDateTime)))
system := (kernel - idle)
ret = append(ret, TimesStat{
Idle: float64(idle),
User: float64(user),
System: float64(system),
})
return ret, nil
}
func Info() ([]InfoStat, error) {
var ret []InfoStat
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 := InfoStat{
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
}