Just a slight educated guess. I've read a little (scrambled) through some PDF's from various Universities mentioning
xed2 keyword and found that this was made by Intel. Available at http://www.pinpoint.org
You may search there for "XED2" keyword and see if the Downloads and Discussions/Documentation help you. Seems they provide for a flavor of Operating Systems like Window$ and Linux.
And here is some more research from University
Code:
http://www.cs.virginia.edu/kim/publicity/pin/docs/20751/Xed/html/main.html
Edit: Hmm, actually you got me interested, let me download this and play a bit with it... you made me curious, albeit I am unfamiliar with cpp