shirou_gopsutil/mem_linux.go

52 lines
1.1 KiB
Go

// +build linux
package gopsutil
import (
"syscall"
)
func VirtualMemory() (VirtualMemoryStat, error) {
ret := Virtual_memoryStat{}
sysinfo := &syscall.Sysinfo_t{}
if err := syscall.Sysinfo(sysinfo); err != nil {
return ret, err
}
ret.Total = uint64(sysinfo.Totalram)
ret.Free = uint64(sysinfo.Freeram)
ret.Shared = uint64(sysinfo.Sharedram)
ret.Buffers = uint64(sysinfo.Bufferram)
ret.Used = ret.Total - ret.Free
// TODO: platform independent
ret.Available = ret.Free + ret.Buffers + ret.Cached
ret.Used = ret.Total - ret.Free
ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
/*
kern := buffers + cached
ret.ActualFree = ret.Free + kern
ret.ActualUsed = ret.Used - kern
*/
return ret, nil
}
func SwapMemory() (SwapMemoryStat, error) {
ret := Swap_memoryStat{}
sysinfo := &syscall.Sysinfo_t{}
if err := syscall.Sysinfo(sysinfo); err != nil {
return ret, err
}
ret.Total = sysinfo.Totalswap
ret.Free = sysinfo.Freeswap
ret.Used = ret.Total - ret.Free
ret.UsedPercent = float64(ret.Total-ret.Free) / float64(ret.Total) * 100.0
return ret, nil
}