From: Joe Damato on
[Note: parts of this message were removed to make it a legal post.]

Hi -

The free public beta for memprof.com is now live. You can sign up and use it
here: http://memprof.com/signup

The gem is free and open source, available on github:
http://github.com/ice799/memprof and supports OSX and linux.

To get more information about how the rubygem works, please check out these
blog posts:

http://timetobleed.com/descent-into-darkness-understanding-your-systems-binary-interface-is-the-only-way-out/
http://timetobleed.com/memprof-a-ruby-level-memory-profiler/
http://timetobleed.com/rewrite-your-ruby-vm-at-runtime-to-hot-patch-useful-features/
http://timetobleed.com/hot-patching-inlined-functions-with-x86_64-asm-metaprogramming/
http://timetobleed.com/string-together-global-offset-tables-to-build-a-ruby-memory-profiler/

Enjoy!