The new parameter -s/--stats shows trace statistics such as number of
instructions, number of memory reads/writes, and duration in simulator
time.
Change-Id: I39a48ff62d9c308c420fe52e7ed17ed57ae9c139
TODO: Showing timing or extended trace information should be configurable
with a commandline switch later.
Change-Id: I72ac95ddd1d54dfef87f212ec5afa30b2ed9a6ad