Redirecting stdout to build/MIPS/tests/opt/quick/se/00.hello/mips/linux/o3-timing/simout Redirecting stderr to build/MIPS/tests/opt/quick/se/00.hello/mips/linux/o3-timing/simerr gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Nov 29 2016 18:13:44 gem5 started Nov 29 2016 18:14:01 gem5 executing on zizzer, pid 32698 command line: /z/powerjg/gem5-upstream/build/MIPS/gem5.opt -d build/MIPS/tests/opt/quick/se/00.hello/mips/linux/o3-timing -re /z/powerjg/gem5-upstream/tests/testing/../run.py quick/se/00.hello/mips/linux/o3-timing Global frequency set at 1000000000000 ticks per second info: Entering event queue @ 0. Starting simulation... info: Increasing stack size by one page. Hello World! Exiting @ tick 24405000 because target called exit()