perf fails to symbolize samples that fall in the part of .text that is put in hugepages. 

There is a fix for this but it needs to be upstreamed. At the least, we should report this bug to perf upstream and see if anyone is willing to fix it.

For more context see:
https://groups.google.com/a/google.com/forum/#!topic/c-compiler-chrome/JBD3Itos4D8