gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Jan 22 2014 17:10:34 gem5 started Jan 22 2014 17:30:08 gem5 executing on u200540-lin command line: build/X86/gem5.opt -d build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic -re tests/run.py build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic Global frequency set at 1000000000000 ticks per second info: Entering event queue @ 0. Starting simulation... Hello world! Exiting @ tick 5615000 because target called exit()