gem5 Simulator System.  http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.

gem5 compiled Aug 13 2015 19:59:06
gem5 started Aug 13 2015 20:18:58
gem5 executing on artery
command line: build/X86/gem5.opt -d build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-timing-ruby -re /home/joel/research/gem5/gem5/tests/run.py build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-timing-ruby

Global frequency set at 1000000000 ticks per second
info: Entering event queue @ 0.  Starting simulation...
Hello world!
Exiting @ tick 87948 because target called exit()