static void Main(string[] args)
{
var path = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
var dumpData = DataTarget.LoadCrashDump("C:\\Work\\neil-dumps\\Raven.Server.crashdump");
dumpData.SetSymbolPath(path);
string dacLocation;
using (var dacLocator = DacLocator.FromPublicSymbolServer("C:\\localsymbols"))
dacLocation = dacLocator.FindDac(dumpData.ClrVersions[0]);
var runtime = dumpData.CreateRuntime(dacLocation);
var heap = runtime.GetHeap();
currentHeap = heap;
heapObjectsByPointer = new Dictionary <ulong, ClrType>();
if (!heap.CanWalkHeap)
{
throw new ApplicationException("Cannot walk heap --> unable to proceed!");
}
//clrstack -p -l
heap.EnumerateObjects().ToList()
.ForEach(objPtr => heapObjectsByPointer.Add(objPtr, heap.GetObjectType(objPtr)));
var threadStackTracesGroupBySimilarity = runtime.Threads.Where(t => t.IsAlive &&
!t.IsUserSuspended &&
!t.IsGC &&
t.StackTrace.Count > 1)
.Select(row => new StackTraceGroupedBySimilarity
{
ThreadId = row.ManagedThreadId,
StackBase = row.StackBase,
StackTrace = row.StackTrace,
SimilarityCount = runtime.Threads.Count(t => StackTraceUtil.StackTraceSimilarity(row.StackTrace, t.StackTrace) >= SIMILARITY_THRESHOLD)
})
.OrderByDescending(row => row.SimilarityCount)
.ToList();
var afterDistinct = new List <StackTraceGroupedBySimilarity>();
foreach (var stackTraceData in threadStackTracesGroupBySimilarity)
{
if (
!afterDistinct.Any(
row =>
StackTraceUtil.StackTraceSimilarity(row.StackTrace, stackTraceData.StackTrace) >=
SIMILARITY_THRESHOLD))
{
afterDistinct.Add(stackTraceData);
}
}
DumpStackTraceOccurenceToExcel(afterDistinct.OrderByDescending(row => row.SimilarityCount).Take(5).ToList());
//DumpStackTraceToExcelByThreads(stackTraceDataByThreads);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj))
{
return(false);
}
if (ReferenceEquals(this, obj))
{
return(true);
}
var otherObject = obj as StackTraceGroupedBySimilarity;
return(otherObject != null && StackTraceUtil.CompareStackTraces(StackTrace, otherObject.StackTrace) >= 50.0m);
}
