88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// +build freebsd
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package gopsutil
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import (
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"regexp"
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"strconv"
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"strings"
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)
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// sys/resource.h
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const (
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CP_USER = 0
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CP_NICE = 1
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CP_SYS = 2
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CP_INTR = 3
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CP_IDLE = 4
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CPUSTATES = 5
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)
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// time.h
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const (
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CLOCKS_PER_SEC = 128
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)
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// TODO: get per cpus
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func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
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var ret []CPUTimesStat
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cpuTime, err := doSysctrl("kern.cp_time")
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if err != nil {
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return ret, err
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}
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user, _ := strconv.ParseFloat(cpuTime[CP_USER], 32)
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nice, _ := strconv.ParseFloat(cpuTime[CP_NICE], 32)
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sys, _ := strconv.ParseFloat(cpuTime[CP_SYS], 32)
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idle, _ := strconv.ParseFloat(cpuTime[CP_IDLE], 32)
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intr, _ := strconv.ParseFloat(cpuTime[CP_INTR], 32)
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c := CPUTimesStat{
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User: float32(user / CLOCKS_PER_SEC),
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Nice: float32(nice / CLOCKS_PER_SEC),
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System: float32(sys / CLOCKS_PER_SEC),
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Idle: float32(idle / CLOCKS_PER_SEC),
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Irq: float32(intr / CLOCKS_PER_SEC), // FIXME: correct?
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}
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ret = append(ret, c)
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return ret, nil
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}
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// Returns only one CPUInfoStat on FreeBSD
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func CPUInfo() ([]CPUInfoStat, error) {
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filename := "/var/run/dmesg.boot"
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lines, _ := readLines(filename)
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var ret []CPUInfoStat
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c := CPUInfoStat{}
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for _, line := range lines {
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if matches := regexp.MustCompile(`CPU:\s+(.+) \(([\d.]+).+\)`).FindStringSubmatch(line); matches != nil {
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c.ModelName = matches[1]
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c.Mhz = parseFloat64(matches[2])
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} else if matches := regexp.MustCompile(`Origin = "(.+)" Id = (.+) Family = (.+) Model = (.+) Stepping = (.+)`).FindStringSubmatch(line); matches != nil {
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c.VendorID = matches[1]
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c.Family = matches[3]
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c.Model = matches[4]
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c.Stepping = parseInt32(matches[5])
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} else if matches := regexp.MustCompile(`Features=.+<(.+)>`).FindStringSubmatch(line); matches != nil {
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for _, v := range strings.Split(matches[1], ",") {
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c.Flags = append(c.Flags, strings.ToLower(v))
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}
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} else if matches := regexp.MustCompile(`Features2=[a-f\dx]+<(.+)>`).FindStringSubmatch(line); matches != nil {
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for _, v := range strings.Split(matches[1], ",") {
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c.Flags = append(c.Flags, strings.ToLower(v))
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}
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} else if matches := regexp.MustCompile(`Logical CPUs per core: (\d+)`).FindStringSubmatch(line); matches != nil {
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// FIXME: no this line?
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c.Cores = parseInt32(matches[1])
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}
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}
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return append(ret, c), nil
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}
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