Realtime Linux: academia v. reality

> Yeah, but even now you have people like Christoph Hellwig turning up on e.g. the glibc list when probe point adding patches were proposed, saying 'no, uprobes will never exist in this form'.

I thought I read about work to make SystemTap work with procfs. Any idea what is happening there (Frank?) Although something seems to be happening currently with uprobes, and Christoph Hellwig seemed to be actively (positively) involved in the discussion (see http://lkml.org/lkml/2010/7/27/121).