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https://github.com/shirou/gopsutil.git
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ee12f66e4d
Currently, ClocksPerSec is determined by exec'ing getconf in func init, i.e. on startup of every program importing the package. getconf might not be present on some systems or is not executable by the current user. To avoid this hard to control dependency, use the github.com/tklauser/go-sysconf package which implements sysconf(3) entirely in Go without cgo. The package is supported on all platforms currently supported by the cpu and v3/cpu package of gopsutil.
113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
// +build darwin
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package cpu
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import (
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"context"
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"strconv"
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"strings"
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"github.com/tklauser/go-sysconf"
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"golang.org/x/sys/unix"
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)
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// sys/resource.h
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const (
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CPUser = 0
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CPNice = 1
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CPSys = 2
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CPIntr = 3
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CPIdle = 4
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CPUStates = 5
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)
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// default value. from time.h
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var ClocksPerSec = float64(128)
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func init() {
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clkTck, err := sysconf.Sysconf(sysconf.SC_CLK_TCK)
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// ignore errors
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if err == nil {
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ClocksPerSec = float64(clkTck)
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}
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}
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func Times(percpu bool) ([]TimesStat, error) {
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return TimesWithContext(context.Background(), percpu)
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}
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func TimesWithContext(ctx context.Context, percpu bool) ([]TimesStat, error) {
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if percpu {
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return perCPUTimes()
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}
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return allCPUTimes()
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}
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// Returns only one CPUInfoStat on FreeBSD
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func Info() ([]InfoStat, error) {
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return InfoWithContext(context.Background())
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}
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func InfoWithContext(ctx context.Context) ([]InfoStat, error) {
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var ret []InfoStat
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c := InfoStat{}
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c.ModelName, _ = unix.Sysctl("machdep.cpu.brand_string")
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family, _ := unix.SysctlUint32("machdep.cpu.family")
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c.Family = strconv.FormatUint(uint64(family), 10)
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model, _ := unix.SysctlUint32("machdep.cpu.model")
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c.Model = strconv.FormatUint(uint64(model), 10)
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stepping, _ := unix.SysctlUint32("machdep.cpu.stepping")
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c.Stepping = int32(stepping)
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features, err := unix.Sysctl("machdep.cpu.features")
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if err == nil {
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for _, v := range strings.Fields(features) {
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c.Flags = append(c.Flags, strings.ToLower(v))
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}
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}
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leaf7Features, err := unix.Sysctl("machdep.cpu.leaf7_features")
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if err == nil {
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for _, v := range strings.Fields(leaf7Features) {
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c.Flags = append(c.Flags, strings.ToLower(v))
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}
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}
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extfeatures, err := unix.Sysctl("machdep.cpu.extfeatures")
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if err == nil {
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for _, v := range strings.Fields(extfeatures) {
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c.Flags = append(c.Flags, strings.ToLower(v))
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}
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}
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cores, _ := unix.SysctlUint32("machdep.cpu.core_count")
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c.Cores = int32(cores)
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cacheSize, _ := unix.SysctlUint32("machdep.cpu.cache.size")
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c.CacheSize = int32(cacheSize)
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c.VendorID, _ = unix.Sysctl("machdep.cpu.vendor")
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// Use the rated frequency of the CPU. This is a static value and does not
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// account for low power or Turbo Boost modes.
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cpuFrequency, err := unix.SysctlUint64("hw.cpufrequency")
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if err != nil {
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return ret, err
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}
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c.Mhz = float64(cpuFrequency) / 1000000.0
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return append(ret, c), nil
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}
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func CountsWithContext(ctx context.Context, logical bool) (int, error) {
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var cpuArgument string
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if logical {
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cpuArgument = "hw.logicalcpu"
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} else {
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cpuArgument = "hw.physicalcpu"
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}
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count, err := unix.SysctlUint32(cpuArgument)
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if err != nil {
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return 0, err
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}
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return int(count), nil
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}
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