I made a blog post about adding memory tracking features to the Unreal Engine 4 that is way faster than MallocProfiler and that provide data that doesn’t depend on code that gets outdated or written wrong as the MemReport functionality.
https://pzurita.wordpress.com/2015/08/26/adding-memory-tracking-features-to-unreal-engine-4/
Hope it is useful.
As a side note, I have also become available as a consultant: https://pzurita.wordpress.com/2015/08/26/available-as-consultant/.