/// <summary>
/// Returns the current memory information as parsed from /proc/meminfo.
/// </summary>
private static MemoryInfo LinuxMemoryInfo()
{
var mi = new MemoryInfo();
// Read in all of the lines from the meminfo file.
var lines = File.ReadAllLines("/proc/meminfo");
// Go through each of them, clean them up and keep the ones we want.
foreach (string line in lines)
{
// Cleanup our values. The first item here will be the key, the second item will
// by the value.
var items = line.Split(':');
items[1] = items[1].Replace(" ", "").Replace("kB", "");
if (items[0] == "MemTotal")
{
mi.SystemTotal = long.Parse(items[1]);
}
else if (items[0] == "MemFree")
{
mi.SystemFree = long.Parse(items[1]);
}
else if (items[0] == "MemAvailable")
{
mi.SystemAvailable = long.Parse(items[1]);
}
}
mi.SystemUsed = mi.SystemTotal - mi.SystemFree;
mi.ProcessUsed = Process.GetCurrentProcess().WorkingSet64 / 1024;
return(mi);
}
/// <summary>
/// Returns the current memory information. Framework objects are used where they exist. The Windows API will
/// where they do not exist.
/// </summary>
private static MemoryInfo WindowsMemoryInfo()
{
var mem = new MEMORYSTATUSEX();
mem.Init();
if (!GlobalMemoryStatusEx(ref mem))
{
throw new Win32Exception("Could not obtain memory information due to internal error.");
}
var mi = new MemoryInfo
{
ProcessUsed = Process.GetCurrentProcess().WorkingSet64 / 1024,
SystemTotal = mem.ullTotalPhys,
SystemFree = mem.ullAvailPhys,
SystemAvailable = mem.ullAvailPhys,
VirtualTotal = mem.ullTotalVirtual,
VirtualAvailable = mem.ullAvailVirtual,
PageFileTotal = mem.ullTotalPageFile,
PageFileAvailable = mem.ullAvailPageFile,
MemoryLoad = mem.dwMemoryLoad,
ExtendedVirtualMemoryAvailable = mem.ullAvailExtendedVirtual
};
mi.SystemUsed = mi.SystemTotal - mi.SystemFree;
return(mi);
}