public void SegmentEnumeration()
{
// Simply test that we can enumerate the heap.
using DataTarget dt = TestTargets.Types.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
ClrObject[] objs = heap.EnumerateObjects().ToArray();
// Enumerating each segment and then each object on each segment should produce
// the same enumeration as ClrHeap.EnumerateObjects().
int index = 0;
foreach (ClrSegment seg in heap.Segments)
{
foreach (ClrObject obj in seg.EnumerateObjects())
{
Assert.Equal(objs[index], obj);
index++;
}
}
ClrSegment large = heap.Segments.Single(s => s.IsLargeObjectSegment);
large.EnumerateObjects().ToArray();
Assert.Equal(objs.Length, index);
}
/// <summary>
/// Gets the LOH size and the object summary in the LOH
/// </summary>
/// <param name="minTotalSize">The min size that we will be filtering on.</param>
/// <returns>List with ClrType's Name, Count of Object of ClrType and total size of that type</returns>
private IEnumerable <(string type, int count, long size)> GetLOHStats()
{
ClrSegment lohSegment = Runtime.Heap.Segments.Where(s => s.IsLargeObjectSegment).First();
IEnumerable <ClrObject> objects = lohSegment.EnumerateObjects();
var stats = GetStats(objects);
return(stats.Select(s => (type: s.type.Name, count: s.objects.Count(), s.size)));
}
private static void WalkSegment(ClrSegment seg)
{
foreach (ClrObject obj in seg.EnumerateObjects().Take(2048))
{
foreach (ClrReference reference in obj.EnumerateReferencesWithFields(carefully: false, considerDependantHandles: true))
{
_ = reference.Object;
}
}
}