102 lines
2.2 KiB
Go
102 lines
2.2 KiB
Go
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// +build windows
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package cpu
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import (
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"strconv"
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"syscall"
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"time"
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"unsafe"
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common "github.com/shirou/gopsutil/common"
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)
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// TODO: Get percpu
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func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
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var ret []CPUTimesStat
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var lpIdleTime common.FILETIME
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var lpKernelTime common.FILETIME
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var lpUserTime common.FILETIME
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r, _, _ := common.ProcGetSystemTimes.Call(
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uintptr(unsafe.Pointer(&lpIdleTime)),
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uintptr(unsafe.Pointer(&lpKernelTime)),
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uintptr(unsafe.Pointer(&lpUserTime)))
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if r == 0 {
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return ret, syscall.GetLastError()
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}
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LOT := float64(0.0000001)
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HIT := (LOT * 4294967296.0)
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idle := ((HIT * float64(lpIdleTime.DwHighDateTime)) + (LOT * float64(lpIdleTime.DwLowDateTime)))
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user := ((HIT * float64(lpUserTime.DwHighDateTime)) + (LOT * float64(lpUserTime.DwLowDateTime)))
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kernel := ((HIT * float64(lpKernelTime.DwHighDateTime)) + (LOT * float64(lpKernelTime.DwLowDateTime)))
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system := (kernel - idle)
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ret = append(ret, CPUTimesStat{
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Idle: float64(idle),
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User: float64(user),
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System: float64(system),
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})
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return ret, nil
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}
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func CPUInfo() ([]CPUInfoStat, error) {
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var ret []CPUInfoStat
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lines, err := common.GetWmic("cpu", "get", "Family,L2CacheSize,Manufacturer,Name,NumberOfLogicalProcessors,ProcessorId,Stepping")
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if err != nil {
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return ret, err
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}
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for i, t := range lines {
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cache, err := strconv.Atoi(t[2])
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if err != nil {
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cache = 0
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}
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cores, err := strconv.Atoi(t[5])
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if err != nil {
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cores = 0
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}
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stepping := 0
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if len(t) > 7 {
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stepping, err = strconv.Atoi(t[6])
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if err != nil {
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stepping = 0
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}
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}
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cpu := CPUInfoStat{
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CPU: int32(i),
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Family: t[1],
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CacheSize: int32(cache),
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VendorID: t[3],
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ModelName: t[4],
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Cores: int32(cores),
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PhysicalID: t[6],
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Stepping: int32(stepping),
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Flags: []string{},
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}
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ret = append(ret, cpu)
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}
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return ret, nil
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}
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func CPUPercent(interval time.Duration, percpu bool) ([]float64, error) {
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ret := []float64{}
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lines, err := common.GetWmic("cpu", "get", "loadpercentage")
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if err != nil {
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return ret, err
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}
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for _, l := range lines {
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if len(l) < 2 {
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continue
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}
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p, err := strconv.Atoi(l[1])
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if err != nil {
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p = 0
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}
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// but windows can only get one percent.
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ret = append(ret, float64(p)/100.0)
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}
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return ret, nil
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}
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