analyzing memory usage of python code

[Polychronis Ypodimatopoulos]

Polychronis Ypodimatopoulos wrote:
> I filed #8128 to address the memory usage that seems excessive.
>
> I have also disabled cerebro from start-up while this is being 
> investigated and the issue with blocking shutdown process (#8108). 
> Should be picked up at the next version of joyride.
>   

Any suggestions on how to isolate the parts of some python code that 
take the most memory? It's rather impossible to start commenting out 
modules because of dependency issues.

thx
p.