Intel* VTune* Amplifier XE on FreeBSD: HOWTO
Currently VTune Amplifier XE is available on an "ask" basis from Intel. Before contacting Intel directly you need to download the tools for either Windows or Linux on a 30 day trial basis from here. The FreeBSD support is currently unofficial - operation is not guaranteed and issues will be addressed as time allows.
Once you have gotten your 30 day trial contact Jim Harris, via his FreeBSD email: jimharris at freebsd.org
*Other names and brands are the property of their respective owners.
If you are trying to get started here are a couple of pointers: