Early implementations were quite buggy; I tried it in 2010 after a presentation at linux.conf.au and found that the tools simply segfaulted with monotonous regu

Early implementations were quite buggy; I tried it in 2010 after a presentation at linux.conf.au and found that the tools simply segfaulted with monotonous regularity on a then up-to-date environment. It's made significant strides since then, obviously.