CLR profiler does not seem to work with the Silverlight CLR. Does another memory profiler exist?
.NET Memory Profiler starting from version 4.0 supports Silverlight profiling.
Highly recommend.
Here is memory profiling in silverlight using Xperf.
Get GC Information
Try this one, it is very useful:
http://www.red-gate.com/products/ants_memory_profiler/index.htm
Bruno.
Use Silverlight Spy
It has a Memory Profiler built in