static void Main(string[] args)
{
string dump, dac;
if (!TryParseArgs(args, out dump, out dac))
{
Usage();
Environment.Exit(1);
}
try
{
// Create a ClrRuntime instance from the dump and dac location. The ClrRuntime
// object represents a version of CLR loaded in the process. It contains data
// such as the managed threads in the process, the AppDomains in the process,
// the managed heap, and so on.
ClrRuntime runtime = CreateRuntime(dump, dac);
// To get memory statistics, you can use EnumerateMemoryRegions. This enumerates
// the address and size of every memory region (I.E., heap) that CLR allocates.
// You can use this information to track down what's "too large" in your process.
Dictionary<ClrMemoryRegionType, Entry> stats = new Dictionary<ClrMemoryRegionType, Entry>();
foreach (var region in runtime.EnumerateMemoryRegions())
{
Entry entry;
if (!stats.TryGetValue(region.Type, out entry))
{
entry = new Entry();
stats[region.Type] = entry;
}
entry.Regions.Add(region);
entry.Size += region.Size;
}
// Print out total stats
var sortedEntries = from t in stats.Values
orderby t.Size
select t;
Console.WriteLine("Total stats for {0} AppDomain{1}:", runtime.AppDomains.Count, runtime.AppDomains.Count > 1 ? "s" : "");
Console.WriteLine("{0,12} {1}", "Size", "Memory Type");
foreach (var entry in sortedEntries)
Console.WriteLine("{0,12:n0} {1}", entry.Size, entry.Name);
// Print out per-appdomain usage. You could probably get more clever with linq here,
// but I tried to keep this as simple as possible.
foreach (ClrAppDomain ad in runtime.AppDomains)
{
Console.WriteLine();
Console.WriteLine("Memory usage for AppDomain '{0}':", ad.Name);
foreach (Entry entry in stats.Values)
{
if (!entry.HasAppDomainData)
continue;
long size = entry.Regions.Where(p => p.AppDomain == ad).Sum(p => (uint)p.Size);
if (size > 0)
Console.WriteLine("{0,12:n0} {1}", size, entry.Name);
}
}
}
catch (Exception ex)
{
Console.WriteLine("Unhandled exception:");
Console.WriteLine(ex);
}
}
public ObjectSet(ClrHeap heap)
{
m_shift = IntPtr.Size == 4 ? 3 : 4;
int count = heap.Segments.Count;
m_data = new BitArray[count];
m_entries = new Entry[count];
#if DEBUG
ulong last = 0;
#endif
for (int i = 0; i < count; ++i)
{
var seg = heap.Segments[i];
#if DEBUG
Debug.Assert(last < seg.Start);
last = seg.Start;
#endif
m_data[i] = new BitArray(GetBitOffset(seg.Length));
m_entries[i].Low = seg.Start;
m_entries[i].High = seg.End;
m_entries[i].Index = i;
}
}