// There's probably a better way to do this but using top is easy and should give us
// accurate results. Note that Process does have a number of memory related properties
// but they all return 0 with mono 1.9 except Process.MaxWorkingSet.
private void DoPrintMemory()
{
GC.Collect();
GC.WaitForPendingFinalizers();
// Get our pid.
string pid = Process.GetCurrentProcess().Id.ToString();
// Get the result of running top.
ProcessStartInfo info = new ProcessStartInfo();
info.Arguments = "-l 1 -stats pid,command,rsize,vsize -pid " + pid; // top has changed a lot in Snow Leopard...
// info.Arguments = "-l 1 -P 'PID COMMAND RSIZE VSIZE' -p '^aaaa ^bbbbbbbbbbbb $jjjjjjjjjj $llllllllll'";;
info.FileName = "top";
info.RedirectStandardOutput = true;
info.UseShellExecute = false;
Process process = Process.Start(info);
if (!process.WaitForExit(60 * 1000))
{
throw new ApplicationException("timed out waiting for top.");
}
if (process.ExitCode < 0 || process.ExitCode > 1)
{
throw new ApplicationException("top failed with error " + process.ExitCode + ".");
}
// Find the line in the top output that starts with our pid. The line will be
// formatted like this:
// 4327 ntpd 708K+ 2378M+
while (!process.StandardOutput.EndOfStream)
{
string line = process.StandardOutput.ReadLine();
if (line.StartsWith(pid))
{
string[] parts = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
Console.WriteLine("timestamp: {0:hh:mm}", DateTime.Now);
Console.WriteLine("resident bytes: {0:0.000}M", DoParseBytes(parts[2]));
Console.WriteLine("virtual bytes: {0:0.000}M", DoParseBytes(parts[3]));
Console.WriteLine("managed bytes: {0:0.000}M", GC.GetTotalMemory(false) / OneMeg);
Console.WriteLine("NSObject count: {0}", NSObject.Snapshot().Length);
Console.WriteLine(" ");
}
else
{
Console.WriteLine("Expected four columns from top, but got '{0}'", line);
}
return;
}
}
Console.WriteLine("Couldn't find our pid: {0}.", pid);
}
public void dumpObjects(NSObject sender)
{
List <string> lines = new List <string>();
GC.Collect();
GC.WaitForPendingFinalizers();
foreach (NSObject o in NSObject.Snapshot())
{
lines.Add(o.ToString("G", null));
}
lines.Sort();
foreach (string line in lines)
{
Console.WriteLine(line);
}
Console.WriteLine(" ");
}
