[Fault-injection-developer] Overhead summary.

[Gao, K. <kev...@in...>]

According to the results of performance testing.
We can get some important conlusion.
 
Compare 2.5.51 with our FITH with pure kernel(2.5.51)
The over head is as follow:
 
Mmap Latency            about  17.8%
Prot Fault                     about  63.5%
Page Fault                    about 50%