null_tests = [
('garnet_synth_traffic', ['--sim-cycles', '5000000']),
('memcheck', ['--maxtick', '2000000000', '--prefetchers']),
+ ('ruby_mem_test', ['--abs-max-tick', '20000000',
+ '--functional', '10']),
('ruby_random_test', ['--maxloads', '5000']),
('ruby_direct_test', ['--requests', '50000']),
]