Ruslan Nikolaev is a Ph.D. student advised by Dr. Godmar Back at Virginia Tech, Blacksburg VA.

The Perfctr-Xen material is based upon work supported by the National Science
Foundation under Grant No. 0720673.

Any opinions, findings, and conclusions or recommendations expressed in
this material are those of the author(s) and do not necessarily reflect the
views of the National Science Foundation.