132 lines
2.7 KiB
Go
132 lines
2.7 KiB
Go
// +build freebsd
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package mem
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import (
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"os/exec"
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"strconv"
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"strings"
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common "github.com/shirou/gopsutil/common"
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)
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func VirtualMemory() (*VirtualMemoryStat, error) {
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pageSize, err := common.DoSysctrl("vm.stats.vm.v_page_size")
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if err != nil {
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return nil, err
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}
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p, err := strconv.ParseUint(pageSize[0], 10, 64)
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if err != nil {
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return nil, err
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}
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pageCount, err := common.DoSysctrl("vm.stats.vm.v_page_count")
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if err != nil {
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return nil, err
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}
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free, err := common.DoSysctrl("vm.stats.vm.v_free_count")
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if err != nil {
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return nil, err
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}
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active, err := common.DoSysctrl("vm.stats.vm.v_active_count")
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if err != nil {
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return nil, err
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}
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inactive, err := common.DoSysctrl("vm.stats.vm.v_inactive_count")
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if err != nil {
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return nil, err
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}
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cache, err := common.DoSysctrl("vm.stats.vm.v_cache_count")
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if err != nil {
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return nil, err
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}
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buffer, err := common.DoSysctrl("vfs.bufspace")
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if err != nil {
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return nil, err
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}
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wired, err := common.DoSysctrl("vm.stats.vm.v_wire_count")
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if err != nil {
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return nil, err
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}
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parsed := make([]uint64, 0, 7)
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vv := []string{
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pageCount[0],
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free[0],
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active[0],
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inactive[0],
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cache[0],
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buffer[0],
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wired[0],
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}
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for _, target := range vv {
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t, err := strconv.ParseUint(target, 10, 64)
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if err != nil {
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return nil, err
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}
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parsed = append(parsed, t)
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}
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ret := &VirtualMemoryStat{
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Total: parsed[0] * p,
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Free: parsed[1] * p,
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Active: parsed[2] * p,
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Inactive: parsed[3] * p,
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Cached: parsed[4] * p,
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Buffers: parsed[5],
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Wired: parsed[6] * p,
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}
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// TODO: platform independent (worked freebsd?)
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ret.Available = ret.Free + ret.Buffers + ret.Cached
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ret.Used = ret.Total - ret.Free
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ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
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return ret, nil
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}
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// Return swapinfo
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// FreeBSD can have multiple swap devices. but use only first device
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func SwapMemory() (*SwapMemoryStat, error) {
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out, err := exec.Command("swapinfo").Output()
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if err != nil {
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return nil, err
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}
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var ret *SwapMemoryStat
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for _, line := range strings.Split(string(out), "\n") {
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values := strings.Fields(line)
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// skip title line
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if len(values) == 0 || values[0] == "Device" {
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continue
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}
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u := strings.Replace(values[4], "%", "", 1)
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total_v, err := strconv.ParseUint(values[1], 10, 64)
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if err != nil {
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return nil, err
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}
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used_v, err := strconv.ParseUint(values[2], 10, 64)
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if err != nil {
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return nil, err
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}
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free_v, err := strconv.ParseUint(values[3], 10, 64)
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if err != nil {
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return nil, err
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}
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up_v, err := strconv.ParseFloat(u, 64)
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if err != nil {
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return nil, err
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}
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ret = &SwapMemoryStat{
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Total: total_v,
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Used: used_v,
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Free: free_v,
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UsedPercent: up_v,
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}
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}
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return ret, nil
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}
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