38 lines
955 B
Go
38 lines
955 B
Go
// +build windows
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package gopsutil
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import (
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"syscall"
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"unsafe"
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)
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func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
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var ret []CPUTimesStat
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var lpIdleTime FILETIME
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var lpKernelTime FILETIME
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var lpUserTime FILETIME
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r, _, _ := 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: float32(idle),
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User: float32(user),
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System: float32(system),
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})
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return ret, nil
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}
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