/// <summary> /// Enumerates all managed locks in the process. That is anything using System.Monitor either explictly /// or implicitly through "lock (obj)". This is roughly equivalent to combining SOS's !syncblk command /// with !dumpheap -thinlock. /// </summary> /// <returns>IEnumerable<IBlockingObject>.</returns> /// <inheritdoc /> public IEnumerable <IBlockingObject> EnumerateBlockingObjects() => Heap.EnumerateBlockingObjects().Select(Converter.Convert);
private void InspectProcess(int pId)
{
using (DataTarget target = DataTarget.AttachToProcess(pId, 10000))
{
ShowCLRRuntimeInformation(target);
ClrRuntime runtime = target.ClrVersions.First().CreateRuntime();
LoadThreads(runtime);
Dictionary <string, TypeEntry> types = new Dictionary <string, TypeEntry>();
Dictionary <string, StringInfor> stringCount = new Dictionary <string, StringInfor>();
ClrHeap heap = runtime.Heap;
var finalizerQueueObjects = runtime.EnumerateFinalizerQueueObjectAddresses().ToList();
var pinnedObjects = runtime.EnumerateHandles().Where(h => h.IsPinned).Select(h => h.Object).ToList();
var blockingObjects = heap.EnumerateBlockingObjects().Select(x => x.Object).ToList();
//var blockingObjects = runtime.Threads.SelectMany(x => x.BlockingObjects).Select(x => x.Object).ToList();
foreach (ulong obj in heap.EnumerateObjects())
{
ClrType type = heap.GetObjectType(obj);
var size = type.GetSize(obj);
var gen = heap.GetGeneration(obj);
var isInFinalizerQueue = finalizerQueueObjects.Contains(obj);
var isPinned = pinnedObjects.Contains(obj);
var isBlocking = blockingObjects.Contains(obj);
if (types.ContainsKey(type.Name))
{
types[type.Name].Count++;
types[type.Name].MinSize = Math.Min(types[type.Name].MinSize, size);
types[type.Name].MaxSize = Math.Max(types[type.Name].MaxSize, size);
types[type.Name].TotalSize += size;
types[type.Name].Generation0 += gen == 0 ? 1 : 0;
types[type.Name].Generation1 += gen == 1 ? 1 : 0;
types[type.Name].Generation2 += gen == 2 ? 1 : 0;
types[type.Name].FinalizerQueueCount += isInFinalizerQueue ? 1 : 0;
types[type.Name].PinnedCount += isPinned ? 1 : 0;
types[type.Name].BlockingCount += isBlocking ? 1 : 0;
}
else
{
types[type.Name] = new TypeEntry
{
Name = type.Name,
Count = 1,
MinSize = size,
MaxSize = size,
TotalSize = size,
Generation0 = gen == 0 ? 1 : 0,
Generation1 = gen == 1 ? 1 : 0,
Generation2 = gen == 2 ? 1 : 0,
FinalizerQueueCount = isInFinalizerQueue ? 1 : 0,
PinnedCount = isPinned ? 1 : 0,
BlockingCount = isBlocking ? 1 : 0,
};
}
if (type.IsString)
{
var text = (string)type.GetValue(obj);
if (stringCount.ContainsKey(text))
{
stringCount[text].Count++;
stringCount[text].Generation0 += gen == 0 ? 1 : 0;
stringCount[text].Generation1 += gen == 1 ? 1 : 0;
stringCount[text].Generation2 += gen == 2 ? 1 : 0;
}
else
{
stringCount[text] = new StringInfor
{
Text = text,
Count = 1,
Generation0 = gen == 0 ? 1 : 0,
Generation1 = gen == 1 ? 1 : 0,
Generation2 = gen == 2 ? 1 : 0,
};
}
}
}
var sortOrder = heapObjectsGrid.SortOrder == SortOrder.Ascending ?
ListSortDirection.Ascending : ListSortDirection.Descending;
var sortCol = heapObjectsGrid.SortedColumn;
int rowcount = 0;
heapObjectsGrid.Rows.Clear();
foreach (var val in types.Where(x => x.Value.Count > 1))
{
var infor = val.Value;
DataGridViewRow gridrow = new DataGridViewRow();
gridrow.DefaultCellStyle.SelectionBackColor = Color.Black;
if (rowcount % 2 > 0)
{
gridrow.DefaultCellStyle.BackColor = Color.AliceBlue;
}
rowcount++;
DataGridViewTextBoxCell name = new DataGridViewTextBoxCell();
name.Value = infor.Name;
gridrow.Cells.Add(name);
DataGridViewTextBoxCell count = new DataGridViewTextBoxCell();
count.Style.Alignment = DataGridViewContentAlignment.BottomRight;
count.Style.Format = "n0";
count.Value = infor.Count;
gridrow.Cells.Add(count);
DataGridViewTextBoxCell minSize = new DataGridViewTextBoxCell();
minSize.Style.Alignment = DataGridViewContentAlignment.BottomRight;
minSize.Style.Format = "n0";
if (infor.MinSize >= 85000)
{
minSize.Style.ForeColor = Color.Orange;
minSize.ToolTipText = "Large Object Heap";
}
minSize.Value = infor.MinSize;
gridrow.Cells.Add(minSize);
DataGridViewTextBoxCell maxSize = new DataGridViewTextBoxCell();
maxSize.Style.Alignment = DataGridViewContentAlignment.BottomRight;
maxSize.Style.Format = "n0";
if (infor.MaxSize >= 85000)
{
maxSize.Style.ForeColor = Color.Orange;
maxSize.ToolTipText = "Large Object Heap";
}
maxSize.Value = infor.MaxSize;
gridrow.Cells.Add(maxSize);
DataGridViewTextBoxCell totalSize = new DataGridViewTextBoxCell();
totalSize.Style.Alignment = DataGridViewContentAlignment.BottomRight;
totalSize.Style.Format = "n0";
totalSize.Value = infor.TotalSize;
gridrow.Cells.Add(totalSize);
DataGridViewTextBoxCell generation0 = new DataGridViewTextBoxCell();
generation0.Value = infor.Generation0;
generation0.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation0.Style.Format = "n0";
gridrow.Cells.Add(generation0);
DataGridViewTextBoxCell generation1 = new DataGridViewTextBoxCell();
generation1.Value = infor.Generation1;
generation1.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation1.Style.Format = "n0";
gridrow.Cells.Add(generation1);
DataGridViewTextBoxCell generation2 = new DataGridViewTextBoxCell();
generation2.Value = infor.Generation2;
generation2.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation2.Style.Format = "n0";
gridrow.Cells.Add(generation2);
DataGridViewTextBoxCell finalizerQueue = new DataGridViewTextBoxCell();
finalizerQueue.Value = infor.FinalizerQueueCount;
finalizerQueue.Style.Alignment = DataGridViewContentAlignment.BottomRight;
finalizerQueue.Style.Format = "n0";
gridrow.Cells.Add(finalizerQueue);
DataGridViewTextBoxCell pinned = new DataGridViewTextBoxCell();
pinned.Value = infor.PinnedCount;
pinned.Style.Alignment = DataGridViewContentAlignment.BottomRight;
pinned.Style.Format = "n0";
gridrow.Cells.Add(pinned);
DataGridViewTextBoxCell blocking = new DataGridViewTextBoxCell();
blocking.Value = infor.BlockingCount;
blocking.Style.Alignment = DataGridViewContentAlignment.BottomRight;
blocking.Style.Format = "n0";
gridrow.Cells.Add(blocking);
heapObjectsGrid.Rows.Add(gridrow);
}
heapObjectsGrid.Columns[1].HeaderCell.ToolTipText = $"Total: { types.Values.Sum(x => x.Count).ToString("N0")} objects";
heapObjectsGrid.Columns[4].HeaderCell.ToolTipText = $"Total: {types.Values.Sum(x => (long)x.TotalSize).ToString("N0")} bytes";
if (sortCol != null)
{
heapObjectsGrid.Sort(sortCol, sortOrder);
}
// Strings Grid View:
rowcount = 0;
stringsGrid.Rows.Clear();
foreach (var str in stringCount)
{
DataGridViewRow gridrow = new DataGridViewRow();
gridrow.DefaultCellStyle.SelectionBackColor = Color.Black;
if (rowcount % 2 > 0)
{
gridrow.DefaultCellStyle.BackColor = Color.AliceBlue;
}
rowcount++;
DataGridViewTextBoxCell name = new DataGridViewTextBoxCell();
name.Value = str.Key;
gridrow.Cells.Add(name);
DataGridViewTextBoxCell length = new DataGridViewTextBoxCell();
length.Style.Alignment = DataGridViewContentAlignment.BottomRight;
length.Style.Format = "n0";
length.Value = str.Key.Length;
gridrow.Cells.Add(length);
DataGridViewTextBoxCell count = new DataGridViewTextBoxCell();
count.Style.Alignment = DataGridViewContentAlignment.BottomRight;
count.Style.Format = "n0";
count.Value = str.Value.Count;
gridrow.Cells.Add(count);
DataGridViewTextBoxCell generation0 = new DataGridViewTextBoxCell();
generation0.Value = str.Value.Generation0;
generation0.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation0.Style.Format = "n0";
gridrow.Cells.Add(generation0);
DataGridViewTextBoxCell generation1 = new DataGridViewTextBoxCell();
generation1.Value = str.Value.Generation1;
generation1.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation1.Style.Format = "n0";
gridrow.Cells.Add(generation1);
DataGridViewTextBoxCell generation2 = new DataGridViewTextBoxCell();
generation2.Value = str.Value.Generation2;
generation2.Style.Alignment = DataGridViewContentAlignment.BottomRight;
generation2.Style.Format = "n0";
gridrow.Cells.Add(generation2);
stringsGrid.Rows.Add(gridrow);
}
}
}