private static ThreadInfo GetThreadInfo(ClrThread thread, DataTarget dataTarget,
ClrRuntime runtime, StringBuilder sb, bool includeStackObjects)
{
var hasStackTrace = thread.StackTrace.Count > 0;
var threadInfo = new ThreadInfo
{
OSThreadId = thread.OSThreadId,
ManagedThreadId = thread.ManagedThreadId,
IsNative = hasStackTrace == false,
ThreadType = thread.IsGC ? ThreadType.GC :
thread.IsFinalizer ? ThreadType.Finalizer :
hasStackTrace == false ? ThreadType.Native : ThreadType.Other
};
if (hasStackTrace)
{
foreach (var frame in thread.StackTrace)
{
if (frame.DisplayString.Equals("GCFrame", StringComparison.OrdinalIgnoreCase) ||
frame.DisplayString.Equals("DebuggerU2MCatchHandlerFrame", StringComparison.OrdinalIgnoreCase))
{
continue;
}
threadInfo.StackTrace.Add(frame.DisplayString);
}
}
else if (dataTarget.DebuggerInterface != null)
{
var control = (IDebugControl)dataTarget.DebuggerInterface;
var sysObjs = (IDebugSystemObjects)dataTarget.DebuggerInterface;
var nativeFrames = new DEBUG_STACK_FRAME[100];
var sybSymbols = (IDebugSymbols)dataTarget.DebuggerInterface;
threadInfo.IsNative = true;
sysObjs.SetCurrentThreadId(threadInfo.OSThreadId);
control.GetStackTrace(0, 0, 0, nativeFrames, 100, out var frameCount);
for (var i = 0; i < frameCount; i++)
{
sb.Clear();
sybSymbols.GetNameByOffset(nativeFrames[i].InstructionOffset, sb, sb.Capacity, out _, out _);
threadInfo.StackTrace.Add(sb.ToString());
}
}
if (includeStackObjects)
{
threadInfo.StackObjects = GetStackObjects(runtime, thread);
}
return(threadInfo);
}
private static void ShowStackTrace(int processId, uint attachTimeout, string outputPath)
{
if (processId == -1)
{
throw new InvalidOperationException("Uninitialized process id parameter");
}
var threadInfoList = new List <ThreadInfo>();
using (DataTarget dataTarget = DataTarget.AttachToProcess(processId, attachTimeout))
{
var clrInfo = dataTarget.ClrVersions[0];
var runtime = clrInfo.CreateRuntime();
var control = (IDebugControl)dataTarget.DebuggerInterface;
var sysObjs = (IDebugSystemObjects)dataTarget.DebuggerInterface;
var nativeFrames = new DEBUG_STACK_FRAME[100];
var sybSymbols = (IDebugSymbols)dataTarget.DebuggerInterface;
var sb = new StringBuilder(1024 * 1024);
foreach (ClrThread thread in runtime.Threads)
{
var threadInfo = new ThreadInfo
{
OSThreadId = thread.OSThreadId
};
if (thread.StackTrace.Count > 0)
{
foreach (ClrStackFrame frame in thread.StackTrace)
{
if (frame.DisplayString.Equals("GCFrame") || frame.DisplayString.Equals("DebuggerU2MCatchHandlerFrame"))
{
continue;
}
threadInfo.StackTrace.Add(frame.DisplayString);
}
}
else
{
threadInfo.IsNative = true;
sysObjs.SetCurrentThreadId(threadInfo.OSThreadId);
uint frameCount;
control.GetStackTrace(0, 0, 0, nativeFrames, 100, out frameCount);
for (int i = 0; i < frameCount; i++)
{
uint nameSize;
ulong dis;
sb.Clear();
sybSymbols.GetNameByOffset(nativeFrames[i].InstructionOffset, sb, sb.Capacity, out nameSize, out dis);
threadInfo.StackTrace.Add(sb.ToString());
}
}
threadInfoList.Add(threadInfo);
}
}
var mergedStackTraces = new List <StackInfo>();
foreach (var threadInfo in threadInfoList)
{
bool merged = false;
foreach (var mergedStack in mergedStackTraces)
{
if (threadInfo.IsNative != mergedStack.NativeThreads)
{
continue;
}
if (threadInfo.StackTrace.SequenceEqual(mergedStack.StackTrace, StringComparer.InvariantCultureIgnoreCase) == false)
{
continue;
}
if (mergedStack.ThreadIds.Contains(threadInfo.OSThreadId) == false)
{
mergedStack.ThreadIds.Add(threadInfo.OSThreadId);
}
merged = true;
break;
}
if (merged)
{
continue;
}
mergedStackTraces.Add(new StackInfo()
{
ThreadIds = new List <uint>()
{
threadInfo.OSThreadId
},
StackTrace = threadInfo.StackTrace,
NativeThreads = threadInfo.IsNative
});
}
var jsonSerializer = new JsonSerializer
{
Formatting = Formatting.Indented
};
if (outputPath != null)
{
using (var output = File.Create(outputPath))
using (var streamWriter = new StreamWriter(output))
{
jsonSerializer.Serialize(streamWriter, mergedStackTraces);
}
}
else
{
jsonSerializer.Serialize(Console.Out, mergedStackTraces);
}
}
private static void ShowStackTrace(int processId, uint attachTimeout, string outputPath)
{
if (processId == -1)
throw new InvalidOperationException("Uinitialized process id parameter");
var threadInfoList = new List<ThreadInfo>();
using (DataTarget dataTarget = DataTarget.AttachToProcess(processId, attachTimeout))
{
var dacLocation = dataTarget.ClrVersions[0].TryGetDacLocation();
var runtime = dataTarget.CreateRuntime(dacLocation);
var control = (IDebugControl)dataTarget.DebuggerInterface;
var sysObjs = (IDebugSystemObjects)dataTarget.DebuggerInterface;
var nativeFrames = new DEBUG_STACK_FRAME[100];
var sybSymbols = (IDebugSymbols)dataTarget.DebuggerInterface;
var sb = new StringBuilder(1024 * 1024);
foreach (ClrThread thread in runtime.Threads)
{
var threadInfo = new ThreadInfo
{
OSThreadId = thread.OSThreadId
};
if (thread.StackTrace.Count > 0)
{
foreach (ClrStackFrame frame in thread.StackTrace)
{
if (frame.DisplayString.Equals("GCFrame") || frame.DisplayString.Equals("DebuggerU2MCatchHandlerFrame"))
continue;
threadInfo.StackTrace.Add(frame.DisplayString);
}
}
else
{
threadInfo.IsNative = true;
sysObjs.SetCurrentThreadId(threadInfo.OSThreadId);
uint frameCount;
control.GetStackTrace(0, 0, 0, nativeFrames, 100, out frameCount);
for (int i = 0; i < frameCount; i++)
{
uint nameSize;
ulong dis;
sb.Clear();
sybSymbols.GetNameByOffset(nativeFrames[i].InstructionOffset, sb, sb.Capacity, out nameSize, out dis);
threadInfo.StackTrace.Add(sb.ToString());
}
}
threadInfoList.Add(threadInfo);
}
}
var mergedStackTraces = new List<StackInfo>();
foreach (var threadInfo in threadInfoList)
{
bool merged = false;
foreach (var mergedStack in mergedStackTraces)
{
if (threadInfo.IsNative != mergedStack.NativeThreads)
continue;
if (threadInfo.StackTrace.SequenceEqual(mergedStack.StackTrace, StringComparer.InvariantCultureIgnoreCase) == false)
continue;
if (mergedStack.ThreadIds.Contains(threadInfo.OSThreadId) == false)
mergedStack.ThreadIds.Add(threadInfo.OSThreadId);
merged = true;
break;
}
if (merged)
continue;
mergedStackTraces.Add(new StackInfo()
{
ThreadIds = new List<uint>() { threadInfo.OSThreadId },
StackTrace = threadInfo.StackTrace,
NativeThreads = threadInfo.IsNative
});
}
var jsonSerializer = new JsonSerializer
{
Formatting = Formatting.Indented
};
if (outputPath != null)
{
using (var output = File.Create(outputPath))
using (var streamWriter = new StreamWriter(output))
{
jsonSerializer.Serialize(streamWriter, mergedStackTraces);
}
}
else
{
jsonSerializer.Serialize(Console.Out, mergedStackTraces);
}
}