Redirecting stdout to build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-timing-ruby/simout Redirecting stderr to build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-timing-ruby/simerr gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Oct 11 2016 00:00:58 gem5 started Oct 13 2016 21:09:01 gem5 executing on e108600-lin, pid 17636 command line: /work/curdun01/gem5-external.hg/build/X86/gem5.opt -d build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-timing-ruby -re /work/curdun01/gem5-external.hg/tests/testing/../run.py 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 91859 because target called exit()