public PerfStat this[string key]
{
get
{
PerfStat counter;
if (_stats.TryGetValue(key, out counter) == false)
{
counter = new PerfStat(key);
_stats[key] = counter;
}
return counter;
}
}
static int Main(string[] args)
{
Console.Error.WriteLine();
Console.Error.WriteLine(string.Format("{0} - Command Line Profiler", Name));
Console.Error.WriteLine("Mark Gillard, 2016 | [email protected] | marzersoft.com");
Console.Error.WriteLine();
string exe = "", exeArgs = "", desc = "";
bool csv = false;
//parse arguments
{
ArgData value = null, key = null;
for (int i = 0; i < args.Length; i++)
{
key = value ?? new ArgData(args[i]);
value = i < args.Length - 1 ? new ArgData(args[i + 1]) : null;
if (!key.IsFlag || key.Handled)
continue;
//single-token flags
if (key.Handled = (key.Value == "?"))
{
Console.Error.WriteLine(Help);
return 0;
}
else if (key.Handled = (key.Value == "csv"))
csv = true;
//key-value pairs
else if (value != null && !value.IsFlag)
{
if (key.Handled = value.Handled = (key.Value == "exe"))
exe = value.Value;
else if (key.Handled = value.Handled = (key.Value == "args"))
exeArgs = value.Value;
else if (key.Handled = value.Handled = (key.Value == "desc"))
desc = value.Value.Replace(',',' ').Replace('\t',' ').Trim();
}
}
}
//check exe
if (exe.Length == 0)
{
Console.Error.WriteLine("No executable specified");
Console.Error.WriteLine();
Console.Error.WriteLine(Usage);
return 1;
}
if (!Path.HasExtension(exe))
exe += ".exe";
if (!File.Exists(exe))
{
Console.Error.WriteLine("Specified executable {0} could not be found", exe);
Console.Error.WriteLine();
Console.Error.WriteLine(Usage);
return 2;
}
//set up performance counter
PerformanceCounter cpuCounter = new PerformanceCounter(
"Processor",
"% Processor Time",
"_Total",
true
);
double totalRam = (new Microsoft.VisualBasic.Devices.ComputerInfo().TotalPhysicalMemory / (1024ul * 1024ul));
PerformanceCounter ramCounter = new PerformanceCounter("Memory", "Available MBytes", true);
//execute command
if (!csv)
{
Console.Out.WriteLine("Executing {0}", desc.Length == 0 ? "process" : "\"" + desc + "\"");
Console.Out.WriteLine("({0} {1})", exe, exeArgs);
Console.Out.WriteLine("----");
}
Timer timer = new Timer();
double executionTime = 0.0;
Process proc = null;
try
{
proc = Process.Start(new ProcessStartInfo()
{
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true,
WindowStyle = ProcessWindowStyle.Hidden,
FileName = Path.GetFullPath(exe),
Arguments = exeArgs
});
}
catch (Exception e)
{
Console.Error.WriteLine("{0} thrown while launching executable ({1})", e.GetType().Name, e.Message);
return 3;
}
proc.Exited += (sender, e) => { executionTime = timer.Stopwatch; };
//spawn process monitoring thread
Thread monitor;
List<PerfNode> perfNodes = new List<PerfNode>();
(monitor = new Thread(() =>
{
proc.Refresh();
while (!proc.HasExited)
{
perfNodes.Add(new PerfNode(proc, ramCounter, cpuCounter));
Thread.Sleep(125);
proc.Refresh();
}
})
{ Priority = ThreadPriority.AboveNormal }).Start();
//spawn io redirection threads
Thread stderr = null, stdout = null;
(stdout = new Thread(() =>
{
if (csv) //redirect stdout to stderr to avoid polluting csv output
Console.Error.Write(proc.StandardOutput.ReadToEnd());
else
Console.Out.Write(proc.StandardOutput.ReadToEnd());
proc.WaitForExit();
})
{ Priority = ThreadPriority.BelowNormal }).Start();
(stderr = new Thread(() =>
{
Console.Error.Write(proc.StandardError.ReadToEnd());
proc.WaitForExit();
})
{ Priority = ThreadPriority.BelowNormal }).Start();
//wait for threads to finish
stdout.Join();
stderr.Join();
monitor.Join();
//report execution stats
if (csv)
{
Console.Out.Write("{0}", desc.Length == 0 ? Path.GetFileName(exe) : desc);
Console.Out.Write(",\t{0}", executionTime);
Console.Out.Write(",\t{0}", totalRam);
}
else
{
Console.Out.WriteLine("----");
Console.Out.WriteLine("Child process finished.");
Console.Out.WriteLine("Time taken: {0} s", executionTime);
Console.Out.WriteLine("Samples recorded: {0}", perfNodes.Count);
Console.Out.WriteLine("Total System Memory: {0} Mb", totalRam);
}
//report individual metrics
PerfStat processRam = new PerfStat("Process Memory Usage");
PerfStat systemRam = new PerfStat("System Memory Usage");
PerfStat systemCpu = new PerfStat("System CPU Percentage");
foreach (PerfNode node in perfNodes)
{
processRam.Add(node.PrivateMemory);
systemRam.Add(totalRam - node.SystemMemory);
systemCpu.Add(node.CpuPercentage);
}
if (csv)
{
Console.Out.Write(",\t{0}", processRam.ToCSV("0.00", 1.0 / (1024.0 * 1024.0)));
Console.Out.Write(",\t{0}", systemRam.ToCSV("0.00", 1.0));
Console.Out.Write(",\t{0}", systemCpu.ToCSV("0.00"));
}
else
{
Console.Out.WriteLine(processRam.ToString(" Mb", "0.00", 1.0 / (1024.0 * 1024.0), totalRam));
Console.Out.WriteLine(systemRam.ToString(" Mb", "0.00", 1.0, totalRam));
Console.Out.WriteLine(systemCpu.ToString(" %", "0.00"));
Console.Out.WriteLine("");
}
return 0;
}
