53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
// +build linux
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package gopsutil
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import (
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"syscall"
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)
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func VirtualMemory() (*VirtualMemoryStat, 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 := &VirtualMemoryStat{
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Total: uint64(sysinfo.Totalram),
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Free: uint64(sysinfo.Freeram),
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Shared: uint64(sysinfo.Sharedram),
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Buffers: uint64(sysinfo.Bufferram),
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}
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// TODO: platform independent
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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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/*
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kern := buffers + cached
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ret.ActualFree = ret.Free + kern
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ret.ActualUsed = ret.Used - kern
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*/
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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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