Now there's also a DTrace provider for the Squeak VM:
http://www.adrian-lienhard.ch/blog?dialog=smalltak-meets-dtrace
DTrace is a powerful, kernel-based dynamic tracing framework. With the new provider one can analyze the execution of Pharo/Squeak applications.
My post is an introduction that should get you quickly started. I've attached a pre-compiled VM for OS X.
Hope you like it :)
Cheers, Adrian ___________________ http://www.adrian-lienhard.ch/