52 lines
1.1 KiB
Go
52 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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ret := VirtualMemoryStat{}
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sysinfo := &syscall.Sysinfo_t{}
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if err := syscall.Sysinfo(sysinfo); err != nil {
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return ret, err
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}
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ret.Total = uint64(sysinfo.Totalram)
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ret.Free = uint64(sysinfo.Freeram)
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ret.Shared = uint64(sysinfo.Sharedram)
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ret.Buffers = uint64(sysinfo.Bufferram)
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ret.Used = ret.Total - ret.Free
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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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ret := SwapMemoryStat{}
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sysinfo := &syscall.Sysinfo_t{}
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if err := syscall.Sysinfo(sysinfo); err != nil {
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return ret, err
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}
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ret.Total = sysinfo.Totalswap
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ret.Free = sysinfo.Freeswap
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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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