/usr/share/gocode/src/github.com/shirou/gopsutil/mem/mem_darwin.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 | // +build darwin
package mem
import (
"encoding/binary"
"strconv"
"strings"
"github.com/shirou/gopsutil/internal/common"
"golang.org/x/sys/unix"
)
func getHwMemsize() (uint64, error) {
totalString, err := unix.Sysctl("hw.memsize")
if err != nil {
return 0, err
}
// unix.sysctl() helpfully assumes the result is a null-terminated string and
// removes the last byte of the result if it's 0 :/
totalString += "\x00"
total := uint64(binary.LittleEndian.Uint64([]byte(totalString)))
return total, nil
}
// SwapMemory returns swapinfo.
func SwapMemory() (*SwapMemoryStat, error) {
var ret *SwapMemoryStat
swapUsage, err := common.DoSysctrl("vm.swapusage")
if err != nil {
return ret, err
}
total := strings.Replace(swapUsage[2], "M", "", 1)
used := strings.Replace(swapUsage[5], "M", "", 1)
free := strings.Replace(swapUsage[8], "M", "", 1)
total_v, err := strconv.ParseFloat(total, 64)
if err != nil {
return nil, err
}
used_v, err := strconv.ParseFloat(used, 64)
if err != nil {
return nil, err
}
free_v, err := strconv.ParseFloat(free, 64)
if err != nil {
return nil, err
}
u := float64(0)
if total_v != 0 {
u = ((total_v - free_v) / total_v) * 100.0
}
// vm.swapusage shows "M", multiply 1024 * 1024 to convert bytes.
ret = &SwapMemoryStat{
Total: uint64(total_v * 1024 * 1024),
Used: uint64(used_v * 1024 * 1024),
Free: uint64(free_v * 1024 * 1024),
UsedPercent: u,
}
return ret, nil
}
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