/usr/share/gocode/src/github.com/shirou/gopsutil/mem/mem_freebsd.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 | // +build freebsd
package mem
import (
"errors"
"os/exec"
"strconv"
"strings"
"github.com/shirou/gopsutil/internal/common"
)
func VirtualMemory() (*VirtualMemoryStat, error) {
pageSize, err := common.DoSysctrl("vm.stats.vm.v_page_size")
if err != nil {
return nil, err
}
p, err := strconv.ParseUint(pageSize[0], 10, 64)
if err != nil {
return nil, err
}
pageCount, err := common.DoSysctrl("vm.stats.vm.v_page_count")
if err != nil {
return nil, err
}
free, err := common.DoSysctrl("vm.stats.vm.v_free_count")
if err != nil {
return nil, err
}
active, err := common.DoSysctrl("vm.stats.vm.v_active_count")
if err != nil {
return nil, err
}
inactive, err := common.DoSysctrl("vm.stats.vm.v_inactive_count")
if err != nil {
return nil, err
}
cache, err := common.DoSysctrl("vm.stats.vm.v_cache_count")
if err != nil {
return nil, err
}
buffer, err := common.DoSysctrl("vfs.bufspace")
if err != nil {
return nil, err
}
wired, err := common.DoSysctrl("vm.stats.vm.v_wire_count")
if err != nil {
return nil, err
}
parsed := make([]uint64, 0, 7)
vv := []string{
pageCount[0],
free[0],
active[0],
inactive[0],
cache[0],
buffer[0],
wired[0],
}
for _, target := range vv {
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
ret := &VirtualMemoryStat{
Total: parsed[0] * p,
Free: parsed[1] * p,
Active: parsed[2] * p,
Inactive: parsed[3] * p,
Cached: parsed[4] * p,
Buffers: parsed[5],
Wired: parsed[6] * p,
}
ret.Available = ret.Inactive + ret.Cached + ret.Free
ret.Used = ret.Total - ret.Available
ret.UsedPercent = float64(ret.Used) / float64(ret.Total) * 100.0
return ret, nil
}
// Return swapinfo
// FreeBSD can have multiple swap devices. but use only first device
func SwapMemory() (*SwapMemoryStat, error) {
swapinfo, err := exec.LookPath("swapinfo")
if err != nil {
return nil, err
}
out, err := invoke.Command(swapinfo)
if err != nil {
return nil, err
}
for _, line := range strings.Split(string(out), "\n") {
values := strings.Fields(line)
// skip title line
if len(values) == 0 || values[0] == "Device" {
continue
}
u := strings.Replace(values[4], "%", "", 1)
total_v, err := strconv.ParseUint(values[1], 10, 64)
if err != nil {
return nil, err
}
used_v, err := strconv.ParseUint(values[2], 10, 64)
if err != nil {
return nil, err
}
free_v, err := strconv.ParseUint(values[3], 10, 64)
if err != nil {
return nil, err
}
up_v, err := strconv.ParseFloat(u, 64)
if err != nil {
return nil, err
}
return &SwapMemoryStat{
Total: total_v,
Used: used_v,
Free: free_v,
UsedPercent: up_v,
}, nil
}
return nil, errors.New("no swap devices found")
}
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