/usr/share/gocode/src/github.com/shirou/gopsutil/cpu/cpu_windows.go is in golang-github-shirou-gopsutil-dev 2.17.08-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | // +build windows
package cpu
import (
"fmt"
"unsafe"
"github.com/StackExchange/wmi"
"github.com/shirou/gopsutil/internal/common"
"golang.org/x/sys/windows"
)
type Win32_Processor struct {
LoadPercentage *uint16
Family uint16
Manufacturer string
Name string
NumberOfLogicalProcessors uint32
ProcessorID *string
Stepping *string
MaxClockSpeed uint32
}
// Win32_PerfFormattedData_Counters_ProcessorInformation stores instance value of the perf counters
type Win32_PerfFormattedData_Counters_ProcessorInformation struct {
Name string
PercentDPCTime uint64
PercentIdleTime uint64
PercentUserTime uint64
PercentProcessorTime uint64
PercentInterruptTime uint64
PercentPriorityTime uint64
PercentPrivilegedTime uint64
InterruptsPerSec uint32
ProcessorFrequency uint32
DPCRate uint32
}
// Win32_PerfFormattedData_PerfOS_System struct to have count of processes and processor queue length
type Win32_PerfFormattedData_PerfOS_System struct {
Processes uint32
ProcessorQueueLength uint32
}
// Times returns times stat per cpu and combined for all CPUs
func Times(percpu bool) ([]TimesStat, error) {
if percpu {
return perCPUTimes()
}
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, windows.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{
CPU: "cpu-total",
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
}
// PerfInfo returns the performance counter's instance value for ProcessorInformation.
// Name property is the key by which overall, per cpu and per core metric is known.
func PerfInfo() ([]Win32_PerfFormattedData_Counters_ProcessorInformation, error) {
var ret []Win32_PerfFormattedData_Counters_ProcessorInformation
q := wmi.CreateQuery(&ret, "")
err := wmi.Query(q, &ret)
return ret, err
}
// ProcInfo returns processes count and processor queue length in the system.
// There is a single queue for processor even on multiprocessors systems.
func ProcInfo() ([]Win32_PerfFormattedData_PerfOS_System, error) {
var ret []Win32_PerfFormattedData_PerfOS_System
q := wmi.CreateQuery(&ret, "")
err := wmi.Query(q, &ret)
return ret, err
}
// perCPUTimes returns times stat per cpu, per core and overall for all CPUs
func perCPUTimes() ([]TimesStat, error) {
var ret []TimesStat
stats, err := PerfInfo()
if err != nil {
return nil, err
}
for _, v := range stats {
c := TimesStat{
CPU: v.Name,
User: float64(v.PercentUserTime),
System: float64(v.PercentPrivilegedTime),
Idle: float64(v.PercentIdleTime),
Irq: float64(v.PercentInterruptTime),
}
ret = append(ret, c)
}
return ret, nil
}
|