public void AsEnumTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule typesModule = runtime.GetModule(ModuleName);
ClrType type = typesModule.GetTypeByName("Types");
ClrStaticField field = type.GetStaticFieldByName("s_enum");
Assert.True(field.Type.IsEnum);
ClrEnum clrEnum = field.Type.AsEnum();
Assert.NotNull(clrEnum);
string[] propertyNames = clrEnum.GetEnumNames().ToArray();
Assert.NotEmpty(propertyNames);
Assert.Contains(nameof(FileAccess.Read), propertyNames);
Assert.Contains(nameof(FileAccess.Write), propertyNames);
Assert.Contains(nameof(FileAccess.ReadWrite), propertyNames);
Assert.Equal(ClrElementType.Int32, clrEnum.ElementType);
Assert.Equal(FileAccess.Read, clrEnum.GetEnumValue <FileAccess>(nameof(FileAccess.Read)));
Assert.Equal(FileAccess.Write, clrEnum.GetEnumValue <FileAccess>(nameof(FileAccess.Write)));
Assert.Equal(FileAccess.ReadWrite, clrEnum.GetEnumValue <FileAccess>(nameof(FileAccess.ReadWrite)));
}
public void NoTypeCachingTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
dt.CacheOptions.CacheTypes = false;
dt.CacheOptions.CacheTypeNames = StringCaching.None;
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
Assert.NotEqual(0ul, type.MethodTable); // Sanity test
ClrType type2 = runtime.GetTypeByMethodTable(type.MethodTable);
Assert.Equal(type, type2);
Assert.NotSame(type, type2);
Assert.NotNull(type.Name);
Assert.Equal(type.Name, type.Name);
Assert.NotSame(type.Name, type.Name);
dt.CacheOptions.CacheTypeNames = StringCaching.Intern;
Assert.Same(type.Name, type.Name);
Assert.Same(type.Name, string.Intern(type.Name));
}
public void MethodHandleMultiDomainTests()
{
ulong[] methodDescs;
using (DataTarget dt = TestTargets.AppDomains.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod method = type.GetMethod("Bar");
methodDescs = method.EnumerateMethodDescs().ToArray();
Assert.Equal(2, methodDescs.Length);
}
using (DataTarget dt = TestTargets.AppDomains.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrMethod method = runtime.GetMethodByHandle(methodDescs[0]);
Assert.NotNull(method);
Assert.Equal("Bar", method.Name);
Assert.Equal("Foo", method.Type.Name);
}
using (DataTarget dt = TestTargets.AppDomains.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrMethod method = runtime.GetMethodByHandle(methodDescs[1]);
Assert.NotNull(method);
Assert.Equal("Bar", method.Name);
Assert.Equal("Foo", method.Type.Name);
}
}
public void TestGetTypeByName()
{
using (DataTarget dt = TestTargets.Types.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
ClrModule shared = runtime.GetModule("sharedlibrary.dll");
Assert.NotNull(shared.GetTypeByName("Foo"));
Assert.Null(shared.GetTypeByName("Types"));
ClrModule types = runtime.GetModule("types.exe");
Assert.NotNull(types.GetTypeByName("Types"));
Assert.Null(types.GetTypeByName("Foo"));
}
}
public void NoFieldCachingTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
dt.CacheOptions.CacheFields = false;
dt.CacheOptions.CacheFieldNames = StringCaching.None;
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
Assert.NotEqual(0ul, type.MethodTable); // Sanity test
Assert.NotSame(type.Fields, type.Fields);
ClrField field = type.GetFieldByName("o");
ClrField field2 = type.Fields.Single(f => f.Name == "o");
Assert.NotSame(field, field2);
Assert.NotSame(field.Name, field.Name);
dt.CacheOptions.CacheFieldNames = StringCaching.Intern;
Assert.Same(field.Name, field.Name);
Assert.Same(field.Name, string.Intern(field.Name));
}
public void MethodCachingTest()
{
// Test that when we cache method names they are not re-read
using DataTarget dt = TestTargets.Types.LoadFullDump();
dt.CacheOptions.CacheMethods = true;
// We want to make sure we are getting the same string because it was cached,
// not because it was interned
dt.CacheOptions.CacheMethodNames = StringCaching.Cache;
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod method = type.GetMethod("Bar");
Assert.NotEqual(0ul, method.MethodDesc); // Sanity test
ClrMethod method2 = type.GetMethod("Bar");
Assert.Equal(method, method2);
Assert.Same(method, method2);
string signature1 = method.Signature;
string signature2 = method2.Signature;
Assert.NotNull(signature1);
Assert.Equal(signature1, signature2);
Assert.Equal(signature1, method.Signature);
Assert.Same(signature1, method.Signature);
}
public void TypeEqualityTest()
{
// This test ensures that only one ClrType is created when we have a type loaded into two different AppDomains with two different
// method tables.
const string TypeName = "Foo";
using (DataTarget dt = TestTargets.AppDomains.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
ClrType[] types = (from obj in heap.EnumerateObjectAddresses()
let t = heap.GetObjectType(obj)
where t.Name == TypeName
select t).ToArray();
Assert.Equal(2, types.Length);
Assert.NotSame(types[0], types[1]);
ClrModule module = runtime.Modules.Single(m => Path.GetFileName(m.FileName).Equals("sharedlibrary.dll", StringComparison.OrdinalIgnoreCase));
ClrType typeFromModule = module.GetTypeByName(TypeName);
Assert.Equal(TypeName, typeFromModule.Name);
Assert.Equal(types[0], typeFromModule);
}
}
public void IntegerObjectClrType()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
ClrModule module = runtime.GetModule(ModuleName);
ClrType typesType = module.GetTypeByName("Types");
ClrStaticField field = typesType.GetStaticFieldByName("s_i");
ClrObject obj = field.ReadObject();
Assert.False(obj.IsNull);
ClrType type = obj.Type;
Assert.NotNull(type);
Assert.True(type.IsPrimitive);
Assert.False(type.IsObjectReference);
Assert.False(type.IsValueType);
var fds = obj.Type.Fields;
int value = obj.ReadBoxed <int>();
Assert.Equal(42, value);
Assert.Contains(obj.Address, heap.EnumerateObjects().Select(a => a.Address));
}
private static void GetKnownSourceAndTarget(ClrHeap heap, out ulong source, out ulong target)
{
ClrModule module = heap.Runtime.GetMainModule();
ClrType mainType = module.GetTypeByName("GCRootTarget");
source = mainType.GetStaticObjectValue("TheRoot").Address;
target = heap.GetObjectsOfType("TargetType").Single();
}
private int GetClrModuleTypeByName(Tuple <int, ulong, string> input)
{
int runtimeId = input.Item1;
ulong imageBase = input.Item2;
string typeName = input.Item3;
ClrRuntime clrRuntime = runtimesCache[runtimeId];
ClrModule clrModule = clrRuntime.Modules.FirstOrDefault(m => m.ImageBase == imageBase);
return(GetClrTypeId(clrModule.GetTypeByName(typeName)));
}
public void CompleteSignatureIsRetrievedForMethodsWithGenericParameters()
{
using DataTarget dt = TestTargets.AppDomains.LoadFullDump();
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod genericMethod = type.GetMethod("GenericBar");
string methodName = genericMethod.GetFullSignature();
Assert.Equal(')', methodName.Last());
}
public void TestTypeModifiers()
{
using DataTarget dt = TestTargets.NestedTypes.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule(NestedTypesModuleName);
ClrType program = module.GetTypeByName("Program");
Assert.True(program.IsPublic);
Assert.False(program.IsAbstract);
Assert.False(program.IsSealed);
ClrType publicClass = module.GetTypeByName("Program+PublicClass");
Assert.True(publicClass.IsPublic);
ClrType privateClass = module.GetTypeByName("Program+PrivateClass");
Assert.True(privateClass.IsPrivate);
ClrType internalClass = module.GetTypeByName("Program+InternalClass");
Assert.True(internalClass.IsInternal);
ClrType protectedClass = module.GetTypeByName("Program+ProtectedClass");
Assert.True(protectedClass.IsProtected);
ClrType abstractClass = module.GetTypeByName("Program+AbstractClass");
Assert.True(abstractClass.IsAbstract);
Assert.False(abstractClass.IsSealed);
ClrType sealedClass = module.GetTypeByName("Program+SealedClass");
Assert.True(sealedClass.IsSealed);
Assert.False(sealedClass.IsAbstract);
ClrType staticClass = module.GetTypeByName("Program+StaticClass");
Assert.True(staticClass.IsAbstract);
Assert.True(staticClass.IsSealed);
}
private IEnumerable <ThreadPoolItem> EnumerateLocalThreadPoolItemsInNetFramework(ClrModule mscorlib)
{
// look into the local stealing queues in each thread TLS
// hopefully, they are all stored in static (one per app domain) instance
// of ThreadPoolWorkQueue.SparseArray<ThreadPoolWorkQueue.WorkStealingQueue>
//
var queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolWorkQueue");
if (queueType == null)
{
yield break;
}
ClrStaticField threadQueuesField = queueType.GetStaticFieldByName("allThreadQueues");
if (threadQueuesField == null)
{
yield break;
}
foreach (ClrAppDomain domain in _clr.AppDomains)
{
var threadQueue = threadQueuesField.ReadObject(domain);
if (!threadQueue.IsValid)
{
continue;
}
var sparseArray = threadQueue.ReadObjectField("m_array").AsArray();
for (int current = 0; current < sparseArray.Length; current++)
{
var stealingQueue = sparseArray.GetObjectValue(current);
if (!stealingQueue.IsValid)
{
continue;
}
foreach (var item in EnumerateThreadPoolStealingQueue(stealingQueue))
{
yield return(item);
}
}
}
}
public void GetDelegateTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule typesModule = runtime.GetModule(TypeTests.ModuleName);
ClrType Types = typesModule.GetTypeByName("Types");
ClrDelegate TestDelegate = Types.GetStaticFieldByName("TestDelegate").ReadObject(runtime.AppDomains.Single()).AsDelegate();
ClrDelegateTarget delegateTarget = TestDelegate.GetDelegateTarget();
Assert.NotNull(delegateTarget);
CompareToInner(Types, TestDelegate, delegateTarget);
ClrDelegate TestEvent = Types.GetStaticFieldByName("TestEvent").ReadObject(runtime.AppDomains.Single()).AsDelegate();
ClrDelegateTarget eventTarget = TestEvent.GetDelegateTarget();
Assert.Null(eventTarget);
}
public void EnumerateGCRefsArray()
{
using DataTarget dataTarget = TestTargets.GCRoot.LoadFullDump();
using ClrRuntime runtime = dataTarget.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
ClrModule module = heap.Runtime.GetMainModule();
ClrType mainType = module.GetTypeByName("GCRootTarget");
ClrObject obj = mainType.GetStaticObjectValue("TheRoot");
obj = obj.GetObjectField("Item1");
Assert.Equal("System.Object[]", obj.Type.Name);
ClrObject[] refs = obj.EnumerateReferences(false).ToArray();
Assert.Single(refs);
Assert.Equal("DoubleRef", refs[0].Type.Name);
}
/// <summary>
/// Gets the type with the specified name.
/// </summary>
/// <param name="name">The CLR type name.</param>
private CodeType GetClrTypeByName(string name)
{
try
{
// Try to find code type inside CLR module
var clrType = ClrModule.GetTypeByName(name);
if (clrType != null)
{
// Create a code type
return(ClrTypes[clrType]);
}
}
catch (Exception)
{
}
return(null);
}
public void IsDelegateTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule typesModule = runtime.GetModule(TypeTests.ModuleName);
ClrType type = typesModule.GetTypeByName("Types");
ClrObject TestDelegate = type.GetStaticFieldByName("TestDelegate").ReadObject(runtime.AppDomains.Single());
Assert.True(TestDelegate.IsValid);
Assert.True(TestDelegate.IsDelegate);
Assert.False(TestDelegate.AsDelegate().HasMultipleTargets);
ClrObject TestEvent = type.GetStaticFieldByName("TestEvent").ReadObject(runtime.AppDomains.Single());
Assert.True(TestEvent.IsValid);
Assert.True(TestEvent.IsDelegate);
Assert.True(TestEvent.AsDelegate().HasMultipleTargets);
}
// The ThreadPool is keeping track of the pending work items into two different areas:
// - a global queue: stored by ThreadPoolWorkQueue instances of the ThreadPoolGlobals.workQueue static field
// - several per thread (TLS) local queues: stored in SparseArray<ThreadPoolWorkQueue+WorkStealingQueue> linked from ThreadPoolWorkQueue.allThreadQueues static fields
// both are using arrays of Task or QueueUserWorkItemCallback
//
// NOTE: don't show other thread pool related topics such as timer callbacks or wait objects
//
private IEnumerable <ThreadPoolItem> EnumerateGlobalThreadPoolItemsInNetFramework(ClrModule mscorlib)
{
ClrType queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolGlobals");
if (queueType == null)
{
yield break;
}
ClrStaticField workQueueField = queueType.GetStaticFieldByName("workQueue");
if (workQueueField == null)
{
yield break;
}
// the CLR keeps one static instance per application domain
foreach (var appDomain in _clr.AppDomains)
{
var workQueue = workQueueField.ReadObject(appDomain);
if (!workQueue.IsValid)
{
continue;
}
// should be System.Threading.ThreadPoolWorkQueue
var workQueueType = workQueue.Type;
if (workQueueType == null)
{
continue;
}
if (string.CompareOrdinal(workQueueType.Name, "System.Threading.ThreadPoolWorkQueue") != 0)
{
continue;
}
foreach (var item in EnumerateThreadPoolWorkQueue(workQueue))
{
yield return(item);
}
}
}
public void NoMethodCachingTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
dt.CacheOptions.CacheMethods = false;
dt.CacheOptions.CacheMethodNames = StringCaching.None;
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod method = type.GetMethod("Bar");
Assert.NotEqual(0ul, method.MethodDesc); // Sanity test
ClrMethod method2 = type.GetMethod("Bar");
Assert.Equal(method, method2);
Assert.NotSame(method, method2);
string signature1 = method.Signature;
string signature2 = method2.Signature;
Assert.NotNull(signature1);
Assert.Equal(signature1, signature2);
Assert.Equal(signature1, method.Signature);
Assert.NotSame(signature1, method.Signature);
Assert.NotSame(method2.Signature, method.Signature);
// Ensure that we can swap this at runtime and that we get interned strings
dt.CacheOptions.CacheMethodNames = StringCaching.Intern;
Assert.NotNull(method.Signature);
Assert.Same(method2.Signature, method.Signature);
Assert.Same(method.Signature, string.Intern(method.Signature));
}
/// <summary>
/// Gets the CLR static variable.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="appDomain">The application domain.</param>
/// <returns>Static variable if found</returns>
public Variable GetClrVariable(string name, CsDebugScript.CLR.AppDomain appDomain)
{
int variableNameIndex = name.LastIndexOf('.');
string typeName = name.Substring(0, variableNameIndex);
var clrType = ClrModule.GetTypeByName(typeName);
if (clrType == null)
{
throw new Exception("CLR type not found " + typeName);
}
string variableName = name.Substring(variableNameIndex + 1);
var staticField = clrType.GetStaticFieldByName(variableName);
if (staticField == null)
{
throw new Exception("Field " + staticField + " wasn't found in CLR type " + typeName);
}
var address = staticField.GetAddress(appDomain.ClrAppDomain);
return(Variable.CreateNoCast(FromClrType(clrType), address, variableName));
}
public void EnumerateDelegateTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule typesModule = runtime.GetModule(TypeTests.ModuleName);
ClrType Types = typesModule.GetTypeByName("Types");
ClrDelegate TestDelegate = Types.GetStaticFieldByName("TestDelegate").ReadObject(runtime.AppDomains.Single()).AsDelegate();
ClrDelegateTarget[] methods = TestDelegate.EnumerateDelegateTargets().ToArray();
Assert.Single(methods);
CompareToInner(Types, TestDelegate, methods[0]);
ClrDelegate TestEvent = Types.GetStaticFieldByName("TestEvent").ReadObject(runtime.AppDomains.Single()).AsDelegate();
methods = TestEvent.EnumerateDelegateTargets().ToArray();
Assert.Equal(2, methods.Length);
CompareToInner(Types, TestEvent, methods[0]);
CompareToInstanceMethod(Types, TestEvent, methods[1]);
}
public void MethodHandleSingleDomainTests()
{
ulong methodDesc;
using (DataTarget dt = TestTargets.Types.LoadFullDump())
{
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod method = type.GetMethod("Bar");
methodDesc = method.MethodDesc;
Assert.NotEqual(0ul, methodDesc);
}
using (DataTarget dt = TestTargets.Types.LoadFullDump())
{
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrMethod method = runtime.GetMethodByHandle(methodDesc);
Assert.NotNull(method);
Assert.Equal("Bar", method.Name);
Assert.Equal("Foo", method.Type.Name);
}
using (DataTarget dt = TestTargets.Types.LoadFullDump())
{
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
ClrMethod method = type.GetMethod("Bar");
Assert.Equal(methodDesc, method.MethodDesc);
Assert.Equal(method, runtime.GetMethodByHandle(methodDesc));
}
}
public void TestStaticFieldModifiers()
{
using DataTarget dt = TestTargets.NestedTypes.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule(TypeTests.NestedTypesModuleName);
ClrType program = module.GetTypeByName("Program");
ClrStaticField publicField = program.GetStaticFieldByName("s_publicField");
Assert.True(publicField.IsPublic);
ClrStaticField privateField = program.GetStaticFieldByName("s_privateField");
Assert.True(privateField.IsPrivate);
ClrStaticField internalField = program.GetStaticFieldByName("s_internalField");
Assert.True(internalField.IsInternal);
ClrStaticField protectedField = program.GetStaticFieldByName("s_protectedField");
Assert.True(protectedField.IsProtected);
}
/// <summary>
/// Gets the CLR static variable.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="appDomain">The application domain.</param>
/// <returns>Static variable if found</returns>
public Variable GetClrVariable(string name, IClrAppDomain appDomain)
{
int variableNameIndex = name.LastIndexOf('.');
string typeName = name.Substring(0, variableNameIndex);
var clrType = ClrModule.GetTypeByName(typeName);
if (clrType == null)
{
throw new Exception($"CLR type not found {typeName}");
}
string variableName = name.Substring(variableNameIndex + 1);
var staticField = clrType.GetStaticFieldByName(variableName);
if (staticField == null)
{
throw new Exception($"Field {staticField} wasn't found in CLR type {typeName}");
}
var address = staticField.GetAddress(appDomain);
Variable field = Variable.CreateNoCast(FromClrType(clrType), address, variableName);
return(Variable.UpcastClrVariable(field));
}
public void PdbMethodTest()
{
// Ensure all methods in our source file is in the pdb.
using (DataTarget dt = TestTargets.NestedException.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.Modules.Where(m => m.Name.Equals(TestTargets.NestedException.Executable, StringComparison.OrdinalIgnoreCase)).Single();
ClrType type = module.GetTypeByName("Program");
using (PdbReader pdb = new PdbReader(TestTargets.NestedException.Pdb))
{
foreach (ClrMethod method in type.Methods)
{
// ignore inherited methods and constructors
if (method.Type != type || method.IsConstructor || method.IsClassConstructor)
{
continue;
}
Assert.IsNotNull(pdb.GetFunctionFromToken(method.MetadataToken));
}
}
}
}
/// <summary> /// Attempts to obtain a ClrType based on the name of the type. Note this is a "best effort" due to /// the way that the dac handles types. This function will fail for Generics, and types which have /// never been constructed in the target process. Please be sure to null-check the return value of /// this function. /// </summary> /// <param name="name">The name of the type. (This would be the EXACT value returned by ClrType.Name.</param> /// <returns>The requested ClrType, or null if the type doesn't exist or couldn't be constructed.</returns> /// <exception cref="NotImplementedException"></exception> /// <inheritdoc /> public IClrType GetTypeByName(string name) => Converter.Convert(Module.GetTypeByName(name));
public void RunDone()
{
_workItems = new Dictionary <string, WorkInfo>();
_workItemCount = 0;
_tasks = new Dictionary <string, WorkInfo>();
_taskCount = 0;
ClrMDHelper helper = new ClrMDHelper(_host.Session.Clr);
// The ThreadPool is keeping track of the pending work items into two different areas:
// - a global queue: stored by ThreadPoolWorkQueue instances of the ThreadPoolGlobals.workQueue static field
// - several per thread (TLS) local queues: stored in SparseArray<ThreadPoolWorkQueue+WorkStealingQueue> linked from ThreadPoolWorkQueue.allThreadQueues static fields
// both are using arrays of Task or QueueUserWorkItemCallback
//
// NOTE: don't show other thread pool related topics such as timer callbacks or wait objects
//
try
{
var heap = _host.Session.Clr.Heap;
var clr = _host.Session.Clr;
_host.WriteLine("global work item queue________________________________");
// look for the ThreadPoolGlobals.workQueue static field
ClrModule mscorlib = helper.GetMscorlib();
if (mscorlib == null)
{
return;
}
ClrType queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolGlobals");
if (queueType == null)
{
return;
}
ClrStaticField workQueueField = queueType.GetStaticFieldByName("workQueue");
if (workQueueField == null)
{
return;
}
// the CLR keeps one static instance per application domain
foreach (var appDomain in clr.AppDomains)
{
object workQueueValue = workQueueField.GetValue(appDomain);
ulong workQueueRef = (workQueueValue == null) ? 0L : (ulong)workQueueValue;
if (workQueueRef == 0)
{
continue;
}
// should be System.Threading.ThreadPoolWorkQueue
ClrType workQueueType = heap.GetObjectType(workQueueRef);
if (workQueueType == null)
{
continue;
}
if (workQueueType.Name != "System.Threading.ThreadPoolWorkQueue")
{
continue;
}
if (!DumpThreadPoolWorkQueue(workQueueType, workQueueRef))
{
_host.WriteLine("Impossible to dump thread pool work queue @ 0x" + workQueueRef.ToString("X"));
}
}
// look into the local stealing queues in each thread TLS
// hopefully, they are all stored in static (one per app domain) instance
// of ThreadPoolWorkQueue.SparseArray<ThreadPoolWorkQueue.WorkStealingQueue>
//
_host.WriteLine("\r\nlocal per thread work items_____________________________________");
try
{
queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolWorkQueue");
if (queueType == null)
{
return;
}
ClrStaticField threadQueuesField = queueType.GetStaticFieldByName("allThreadQueues");
if (threadQueuesField == null)
{
return;
}
foreach (ClrAppDomain domain in clr.AppDomains)
{
ulong?threadQueue = (ulong?)threadQueuesField.GetValue(domain);
if (!threadQueue.HasValue || threadQueue.Value == 0)
{
continue;
}
ClrType threadQueueType = heap.GetObjectType(threadQueue.Value);
if (threadQueueType == null)
{
continue;
}
var sparseArrayRef = _host.Session.GetFieldValue(threadQueue.Value, "m_array");
_host.Session.ForEach((ulong)sparseArrayRef, stealingQueue =>
{
if (stealingQueue != 0)
{
var arrayRef = _host.Session.GetFieldValue(stealingQueue, "m_array");
DumpThreadPoolWorkItems((ulong)arrayRef);
}
});
}
}
finally
{
// provide a summary sorted by count
// tasks first if any
if (_tasks.Values.Count > 0)
{
foreach (var item in _tasks.Values.OrderBy(wi => wi.Count))
{
_host.WriteLine(string.Format(" {0,4} Task {1}", item.Count.ToString(), item.Name));
}
_host.WriteLine(" ----");
_host.WriteLine(string.Format(" {0,4}\r\n", _taskCount.ToString()));
}
// then QueueUserWorkItem next if any
if (_workItems.Values.Count > 0)
{
foreach (var item in _workItems.Values.OrderBy(wi => wi.Count))
{
_host.WriteLine(string.Format(" {0,4} Work {1}", item.Count.ToString(), item.Name));
}
_host.WriteLine(" ----");
_host.WriteLine(string.Format(" {0,4}\r\n", _workItemCount.ToString()));
}
var threadPool = _host.Session.Clr.ThreadPool;
_host.WriteLine(string.Format(
"\r\nCPU = {0}% for {1} threads (#idle = {2} + #running = {3} | #dead = {4} | #max = {5})",
threadPool.CpuUtilization.ToString(),
threadPool.TotalThreads.ToString(),
threadPool.IdleThreads.ToString(),
threadPool.RunningThreads.ToString(),
_host.Session.Clr.Threads.Count(t => t.IsThreadpoolWorker && !t.IsThreadpoolCompletionPort && !t.IsAlive && !t.IsThreadpoolGate && !t.IsThreadpoolTimer && !t.IsThreadpoolWait).ToString(),
threadPool.MaxThreads.ToString()
));
// show the running worker threads
DumpRunningThreadpoolThreads(helper);
}
}
catch (Exception x)
{
_host.WriteLine(x.Message);
}
}
/// <summary>
/// Attempts to obtain a <see cref="T:CsDebugScript.CLR.IClrType" /> based on the name of the type.
/// Note this is a "best effort" due to the way that the DAC handles types.
/// This function will fail for Generics, and types which have never been constructed in the target process.
/// Please be sure to null-check the return value of this function.
/// </summary>
/// <param name="typeName">The name of the type. (This would be the EXACT value returned by <see cref="P:CsDebugScript.CLR.IClrType.Name" />).</param>
public IClrType GetTypeByName(string typeName)
{
return(Provider.FromClrType(ClrModule.GetTypeByName(typeName)));
}
private IEnumerable <ulong> EnumerateManagedThreadpoolObjects()
{
_heap = _runtime.GetHeap();
ClrModule mscorlib = GetMscorlib();
if (mscorlib != null)
{
ClrType queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolGlobals");
if (queueType != null)
{
ClrStaticField workQueueField = queueType.GetStaticFieldByName("workQueue");
if (workQueueField != null)
{
foreach (var appDomain in _runtime.AppDomains)
{
object workQueueValue = workQueueField.GetValue(appDomain);
ulong workQueue = workQueueValue == null ? 0L : (ulong)workQueueValue;
ClrType workQueueType = _heap.GetObjectType(workQueue);
if (workQueue == 0 || workQueueType == null)
{
continue;
}
ulong queueHead;
ClrType queueHeadType;
do
{
if (!GetFieldObject(workQueueType, workQueue, "queueHead", out queueHeadType, out queueHead))
{
break;
}
ulong nodes;
ClrType nodesType;
if (GetFieldObject(queueHeadType, queueHead, "nodes", out nodesType, out nodes) && nodesType.IsArray)
{
int len = nodesType.GetArrayLength(nodes);
for (int i = 0; i < len; ++i)
{
ulong addr = (ulong)nodesType.GetArrayElementValue(nodes, i);
if (addr != 0)
{
yield return(addr);
}
}
}
if (!GetFieldObject(queueHeadType, queueHead, "Next", out queueHeadType, out queueHead))
{
break;
}
} while (queueHead != 0);
}
}
}
queueType = mscorlib.GetTypeByName("System.Threading.ThreadPoolWorkQueue");
if (queueType != null)
{
ClrStaticField threadQueuesField = queueType.GetStaticFieldByName("allThreadQueues");
if (threadQueuesField != null)
{
foreach (ClrAppDomain domain in _runtime.AppDomains)
{
ulong?threadQueue = (ulong?)threadQueuesField.GetValue(domain);
if (!threadQueue.HasValue || threadQueue.Value == 0)
{
continue;
}
ClrType threadQueueType = _heap.GetObjectType(threadQueue.Value);
if (threadQueueType == null)
{
continue;
}
ulong outerArray = 0;
ClrType outerArrayType = null;
if (!GetFieldObject(threadQueueType, threadQueue.Value, "m_array", out outerArrayType, out outerArray) || !outerArrayType.IsArray)
{
continue;
}
int outerLen = outerArrayType.GetArrayLength(outerArray);
for (int i = 0; i < outerLen; ++i)
{
ulong entry = (ulong)outerArrayType.GetArrayElementValue(outerArray, i);
if (entry == 0)
{
continue;
}
ClrType entryType = _heap.GetObjectType(entry);
if (entryType == null)
{
continue;
}
ulong array;
ClrType arrayType;
if (!GetFieldObject(entryType, entry, "m_array", out arrayType, out array) || !arrayType.IsArray)
{
continue;
}
int len = arrayType.GetArrayLength(array);
for (int j = 0; j < len; ++j)
{
ulong addr = (ulong)arrayType.GetArrayElementValue(array, i);
if (addr != 0)
{
yield return(addr);
}
}
}
}
}
}
}
}
