Phoronix: SystemTap 2.4 Supports Probing Virtual Machines

SystemTap 2.4 has been released today for effective information gathering and software diagnostics on Linux systems. SystemTap 2.4 provides smarter error reporting, support for virtual machine probing using libvirt, and other new functionality...

http://www.phoronix.com/vr.php?view=MTUwNTg