Redirecting stdout to build/X86/tests/opt/quick/se/03.learning-gem5/x86/linux/learning-gem5-p1-two-level/simout Redirecting stderr to build/X86/tests/opt/quick/se/03.learning-gem5/x86/linux/learning-gem5-p1-two-level/simerr gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Jul 21 2016 14:35:23 gem5 started Jul 21 2016 14:36:17 gem5 executing on e108600-lin, pid 18545 command line: /work/curdun01/gem5-external.hg/build/X86/gem5.opt -d build/X86/tests/opt/quick/se/03.learning-gem5/x86/linux/learning-gem5-p1-two-level -re /work/curdun01/gem5-external.hg/tests/testing/../run.py quick/se/03.learning-gem5/x86/linux/learning-gem5-p1-two-level Global frequency set at 1000000000000 ticks per second Beginning simulation! info: Entering event queue @ 0. Starting simulation... Hello world! Exiting @ tick 55844000 because target called exit()