Awesome talk, though the SystemTap coverage was oddly weak.
Saying 'SystemTap was was created when there weren't Solaris for Linux ports' is a little disingenuous. Linux had live kernel instrumentation with kprobes way before Sun debuted DTrace, and DTrace was deliberately licensed in a way to be incompatible with the Linux kernel.
Saying 'SystemTap was was created when there weren't Solaris for Linux ports' is a little disingenuous. Linux had live kernel instrumentation with kprobes way before Sun debuted DTrace, and DTrace was deliberately licensed in a way to be incompatible with the Linux kernel.
If you want to see some actual useful production taps you can use right now on your Red Hat / CentOS box, check out http://sourceware.org/systemtap/wiki/WarStories