open-consul/vendor/github.com/shirou/gopsutil/v3/cpu/cpu_darwin.go

120 lines
2.7 KiB
Go

// +build darwin
package cpu
import (
"context"
"os/exec"
"strconv"
"strings"
"golang.org/x/sys/unix"
)
// sys/resource.h
const (
CPUser = 0
cpNice = 1
cpSys = 2
cpIntr = 3
cpIdle = 4
cpUStates = 5
)
// default value. from time.h
var ClocksPerSec = float64(128)
func init() {
getconf, err := exec.LookPath("getconf")
if err != nil {
return
}
out, err := invoke.Command(getconf, "CLK_TCK")
// ignore errors
if err == nil {
i, err := strconv.ParseFloat(strings.TrimSpace(string(out)), 64)
if err == nil {
ClocksPerSec = float64(i)
}
}
}
func Times(percpu bool) ([]TimesStat, error) {
return TimesWithContext(context.Background(), percpu)
}
func TimesWithContext(ctx context.Context, percpu bool) ([]TimesStat, error) {
if percpu {
return perCPUTimes()
}
return allCPUTimes()
}
// Returns only one CPUInfoStat on FreeBSD
func Info() ([]InfoStat, error) {
return InfoWithContext(context.Background())
}
func InfoWithContext(ctx context.Context) ([]InfoStat, error) {
var ret []InfoStat
c := InfoStat{}
c.ModelName, _ = unix.Sysctl("machdep.cpu.brand_string")
family, _ := unix.SysctlUint32("machdep.cpu.family")
c.Family = strconv.FormatUint(uint64(family), 10)
model, _ := unix.SysctlUint32("machdep.cpu.model")
c.Model = strconv.FormatUint(uint64(model), 10)
stepping, _ := unix.SysctlUint32("machdep.cpu.stepping")
c.Stepping = int32(stepping)
features, err := unix.Sysctl("machdep.cpu.features")
if err == nil {
for _, v := range strings.Fields(features) {
c.Flags = append(c.Flags, strings.ToLower(v))
}
}
leaf7Features, err := unix.Sysctl("machdep.cpu.leaf7_features")
if err == nil {
for _, v := range strings.Fields(leaf7Features) {
c.Flags = append(c.Flags, strings.ToLower(v))
}
}
extfeatures, err := unix.Sysctl("machdep.cpu.extfeatures")
if err == nil {
for _, v := range strings.Fields(extfeatures) {
c.Flags = append(c.Flags, strings.ToLower(v))
}
}
cores, _ := unix.SysctlUint32("machdep.cpu.core_count")
c.Cores = int32(cores)
cacheSize, _ := unix.SysctlUint32("machdep.cpu.cache.size")
c.CacheSize = int32(cacheSize)
c.VendorID, _ = unix.Sysctl("machdep.cpu.vendor")
// Use the rated frequency of the CPU. This is a static value and does not
// account for low power or Turbo Boost modes.
cpuFrequency, err := unix.SysctlUint64("hw.cpufrequency")
if err != nil {
return ret, err
}
c.Mhz = float64(cpuFrequency) / 1000000.0
return append(ret, c), nil
}
func CountsWithContext(ctx context.Context, logical bool) (int, error) {
var cpuArgument string
if logical {
cpuArgument = "hw.logicalcpu"
} else {
cpuArgument = "hw.physicalcpu"
}
count, err := unix.SysctlUint32(cpuArgument)
if err != nil {
return 0, err
}
return int(count), nil
}