public void TestFromProcess()
{
// Generate MemorySnapshot for Notepad.
MemorySnapshot memorySnapshot = MemorySnapshot.FromProcess(notepad.Id);
// Generate the oracle for comparison.
Dictionary <string, long> oracle = GenerateOracle(notepad.Id);
// Do a comparison of all the properties.
VerifyProperties(memorySnapshot, oracle);
}
public static void GetMemoryShapshot(MemorySnapshotCmdletBase cmdlet, int[] processIds)
{
if (null != processIds && 0 < processIds.Length)
{
foreach (int processId in processIds)
{
MemorySnapshot snapshot = MemorySnapshot.FromProcess(processId);
cmdlet.WriteObject(cmdlet, snapshot);
}
}
}
public void TestCompareTo()
{
// Generate a memory snapshot.
MemorySnapshot memorySnapshot = MemorySnapshot.FromProcess(notepad.Id);
// Generate a second MemorySnapshot and get a diff.
MemorySnapshot latestSnap = MemorySnapshot.FromProcess(notepad.Id);
MemorySnapshot diff = latestSnap.CompareTo(memorySnapshot);
// Manipulate the oracle to contain the same diff.
Dictionary <string, long> diffOracle = GenerateDiffOracle(memorySnapshot, latestSnap);
// Compare to verify data.
VerifyProperties(diff, diffOracle);
}
public void TestFromFile()
{
string filePath = @"C:\testSnap.xml";
// Serialize MemorySnapshot to file.
MemorySnapshot memorySnapshot = MemorySnapshot.FromProcess(notepad.Id);
memorySnapshot.ToFile(filePath);
// Generate the oracle for comparison.
Dictionary <string, long> oracle = GenerateOracle(notepad.Id);
// Call from file to load data from file.
MemorySnapshot fileSnapshot = MemorySnapshot.FromFile(filePath);
// Compare to data in oracle.
VerifyProperties(fileSnapshot, oracle);
}
public void TestToFile()
{
string filePath = @"C:\testSnap.xml";
// Store call ToFile to log memorySnapshot to file.
MemorySnapshot memorySnapshot = MemorySnapshot.FromProcess(notepad.Id);
memorySnapshot.ToFile(filePath);
// Generate the oracle for comparison.
Dictionary <string, long> oracle = GenerateOracle(notepad.Id);
// Go through xml nodes and compare to data in oracle.
XmlDocument xmlDoc = new XmlDocument();
using (Stream s = new FileInfo(filePath).OpenRead())
{
try
{
xmlDoc.Load(s);
}
catch (XmlException)
{
throw new XmlException("MemorySnapshot file \"" + filePath + "\" could not be loaded.");
}
}
// Grab memory stats.
Assert.Equal(oracle["GdiObjectCount"], DeserializeNode(xmlDoc, "GdiObjectCount"));
Assert.Equal(oracle["HandleCount"], DeserializeNode(xmlDoc, "HandleCount"));
Assert.Equal(oracle["PageFileBytes"], DeserializeNode(xmlDoc, "PageFileBytes"));
Assert.Equal(oracle["PageFilePeakBytes"], DeserializeNode(xmlDoc, "PageFilePeakBytes"));
Assert.Equal(oracle["PoolNonpagedBytes"], DeserializeNode(xmlDoc, "PoolNonpagedBytes"));
Assert.Equal(oracle["PoolPagedBytes"], DeserializeNode(xmlDoc, "PoolPagedBytes"));
Assert.Equal(oracle["ThreadCount"], DeserializeNode(xmlDoc, "ThreadCount"));
Assert.Equal(oracle["UserObjectCount"], DeserializeNode(xmlDoc, "UserObjectCount"));
Assert.Equal(oracle["VirtualMemoryBytes"], DeserializeNode(xmlDoc, "VirtualMemoryBytes"));
Assert.Equal(oracle["VirtualMemoryPrivateBytes"], DeserializeNode(xmlDoc, "VirtualMemoryPrivateBytes"));
Assert.Equal(oracle["WorkingSetBytes"], DeserializeNode(xmlDoc, "WorkingSetBytes"));
Assert.Equal(oracle["WorkingSetPeakBytes"], DeserializeNode(xmlDoc, "WorkingSetPeakBytes"));
Assert.Equal(oracle["WorkingSetPrivateBytes"], DeserializeNode(xmlDoc, "WorkingSetPrivateBytes"));
}
public void TestToFromFile()
{
string filePath = @"C:\testSnapCollection.xml";
MemorySnapshotCollection collection = new MemorySnapshotCollection();
// The following is for testing purposes and not representative use of the MemorySnapshotCollection class.
MemorySnapshot ms1 = MemorySnapshot.FromProcess(notepad.Id);
collection.Add(ms1);
MemorySnapshot ms2 = MemorySnapshot.FromProcess(notepad.Id);
collection.Add(ms2);
MemorySnapshot ms3 = MemorySnapshot.FromProcess(notepad.Id);
collection.Add(ms3);
// Serialize MemorySnapshot to file.
collection.ToFile(filePath);
// Call from file to load data from file.
MemorySnapshotCollection fileCollection = MemorySnapshotCollection.FromFile(filePath);
// Verify Count.
Assert.Equal(fileCollection.Count, collection.Count);
// Generate Diffs for comparison.
MemorySnapshot diff1 = ms1.CompareTo(fileCollection[0]);
MemorySnapshot diff2 = ms2.CompareTo(fileCollection[1]);
MemorySnapshot diff3 = ms3.CompareTo(fileCollection[2]);
// Generate expected Diff results.
Dictionary <string, long> diffOracle = GenerateDiffOracle();
// Verify Diffs are as expected.
VerifyDiff(diff1, diffOracle);
VerifyDiff(diff2, diffOracle);
VerifyDiff(diff3, diffOracle);
}
public void Run(int detectionCycles, int actionsPerCycle)
{
//TODO1: Launch memorysnapshot monitor as a seperate process so as not to incur extra load.
Type type = this.GetType();
LeakTest leakTest = (LeakTest)Activator.CreateInstance(type);
// Create new memory snapshot collection and get a handle to the process.
MemorySnapshotCollection collection = new MemorySnapshotCollection();
Process process = Process.GetCurrentProcess();
//TODO2: Add GC cleanup / get ready logic.
leakTest.Initialize();
collection.Add(MemorySnapshot.FromProcess(process.Id));
// Rinse and repeat the following as requested by the user.
for (int i = 0; i < detectionCycles; i++)
{
for (int j = 0; j < actionsPerCycle; j++)
{
// Perform and undo action followed by a snapshot.
leakTest.PerformAction();
leakTest.UndoAction();
}
collection.Add(MemorySnapshot.FromProcess(process.Id));
}
// Log collection to file.
string filePath = Path.Combine(Environment.CurrentDirectory, @"snapshots.xml");
collection.ToFile(filePath);
TestLog log = new TestLog("LeakLog");
log.LogFile(filePath);
log.Close();
}
public static void Main(string[] args)
{
CommandLineArguments a = Init(args);
if (a == null)
{
PrintUsage();
return;
}
if (a.ProcessName != null)
{
Process[] processlist = Process.GetProcesses();
int processFound = 0;
foreach (Process p in processlist)
{
if (string.Equals(a.ProcessName, p.ProcessName, StringComparison.OrdinalIgnoreCase))
{
processFound++;
a.Pid = p.Id;
}
}
if (processFound == 0)
{
Console.WriteLine("ProcessName not found. Starting new instance...");
Process p = new Process();
p.StartInfo.FileName = a.ProcessName;
p.Start();
a.Pid = p.Id;
p.WaitForInputIdle();
}
if (processFound > 1)
{
Console.WriteLine("Found multiple processes with the same name. Please specify a /pid.");
return;
}
}
Console.WriteLine("Hit \"Ctrl^C\" to exit.");
Console.WriteLine("Attaching to Process ID: " + a.Pid);
Console.WriteLine("Generating memory snapshots...");
Console.CancelKeyPress += new ConsoleCancelEventHandler(ConsoleOnCancelKeyPress);
MemorySnapshotCollection msc = new MemorySnapshotCollection();
if (a.InitialDelay != null)
{
Thread.Sleep(a.InitialDelay.Value);
}
PrintHeader();
MemorySnapshot ms;
while (true)
{
if (exitLoop == true)
{
break;
}
try
{
ms = MemorySnapshot.FromProcess(a.Pid.Value);
}
catch (ArgumentException e)
{
Console.WriteLine("Process no longer avilable. Terminating MemoryTracer...");
return;
}
PrintToConsole(ms);
if (a.SaveTo != null)
{
msc.Add(ms);
}
Thread.Sleep(a.Interval.Value);
}
if (a.SaveTo != null)
{
msc.ToFile(a.SaveTo);
Console.WriteLine("MemorySnapshots saved to: " + a.SaveTo);
}
}
