The following change added the new stat:
commit 0020662459
Author: David Guillen Fandos <david.guillen@arm.com>
Date: Thu Jul 21 17:19:14 2016 +0100
mem: Add snoop traffic statistic
Change-Id: I9ee0fb4b8cc97c6b94e76ab5524f89c78c97d1a6
Reviewed-on: https://gem5-review.googlesource.com/2646
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>