62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
// +build linux
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package gopsutil
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import (
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"strings"
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"syscall"
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)
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func VirtualMemory() (*VirtualMemoryStat, error) {
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filename := "/proc/meminfo"
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lines, _ := readLines(filename)
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ret := &VirtualMemoryStat{}
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for _, line := range lines {
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fields := strings.Split(line, ":")
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if len(fields) != 2 {
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continue
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}
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key := strings.TrimSpace(fields[0])
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value := strings.TrimSpace(fields[1])
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value = strings.Replace(value, " kB", "", -1)
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switch key {
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case "MemTotal":
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ret.Total = mustParseUint64(value) * 1000
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case "MemFree":
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ret.Free = mustParseUint64(value) * 1000
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case "Buffers":
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ret.Buffers = mustParseUint64(value) * 1000
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case "Cached":
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ret.Cached = mustParseUint64(value) * 1000
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case "Active":
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ret.Active = mustParseUint64(value) * 1000
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case "Inactive":
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ret.Inactive = mustParseUint64(value) * 1000
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}
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}
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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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func SwapMemory() (*SwapMemoryStat, error) {
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sysinfo := &syscall.Sysinfo_t{}
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if err := syscall.Sysinfo(sysinfo); err != nil {
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return nil, err
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}
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ret := &SwapMemoryStat{
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Total: uint64(sysinfo.Totalswap),
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Free: uint64(sysinfo.Freeswap),
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}
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ret.Used = ret.Total - ret.Free
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ret.UsedPercent = float64(ret.Total-ret.Free) / float64(ret.Total) * 100.0
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return ret, nil
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}
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