Dtrace review

I re-watched this review and demonstration of Dtrace by Bryan Cantrill formerly of Sun He gives a very interesting talk, and a demo of tracing a process. Reminded me of just how powerful it is, although the scripting language would have to be mastered. Now the bad side is I've never heard much of ports to Linux, although they do exist it seems - but not as far as a distro with it available as a package. Oracle seem to be trying to introduce it to their repackaged RHEL offering. Cantrill makes some interesting observations about this technology having real use which is undoubtedly true. He then goes on to say Sun is out performing Red Hat - but we all know what eventually happened to Sun.