/usr/share/gocode/src/github.com/shirou/gopsutil/mem/mem_darwin_cgo.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 | // +build darwin
// +build cgo
package mem
/*
#include <mach/mach_host.h>
*/
import "C"
import (
"fmt"
"unsafe"
"golang.org/x/sys/unix"
)
// VirtualMemory returns VirtualmemoryStat.
func VirtualMemory() (*VirtualMemoryStat, error) {
count := C.mach_msg_type_number_t(C.HOST_VM_INFO_COUNT)
var vmstat C.vm_statistics_data_t
status := C.host_statistics(C.host_t(C.mach_host_self()),
C.HOST_VM_INFO,
C.host_info_t(unsafe.Pointer(&vmstat)),
&count)
if status != C.KERN_SUCCESS {
return nil, fmt.Errorf("host_statistics error=%d", status)
}
pageSize := uint64(unix.Getpagesize())
total, err := getHwMemsize()
if err != nil {
return nil, err
}
totalCount := C.natural_t(total / pageSize)
availableCount := vmstat.inactive_count + vmstat.free_count
usedPercent := 100 * float64(totalCount-availableCount) / float64(totalCount)
usedCount := totalCount - availableCount
return &VirtualMemoryStat{
Total: total,
Available: pageSize * uint64(availableCount),
Used: pageSize * uint64(usedCount),
UsedPercent: usedPercent,
Free: pageSize * uint64(vmstat.free_count),
Active: pageSize * uint64(vmstat.active_count),
Inactive: pageSize * uint64(vmstat.inactive_count),
Wired: pageSize * uint64(vmstat.wire_count),
}, nil
}
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