def runFullSystem(): (opts, args) = SimpleOpts.parse_args() kernel, disk, cpu, benchmark, num_cpus = args # Don't init GPU stuff in Ruby if no GPU is specified if opts.dgpu or opts.apu: opts.cpu_only_mode = False else: opts.cpu_only_mode = True # create the system we are going to simulate system = MySystem(kernel, disk, int(num_cpus), opts, no_kvm=False) # Exit from guest on workbegin/workend system.exit_on_work_items = True # Set up the root SimObject and start the simulation root = Root(full_system=True, system=system) if system.getHostParallel(): # Required for running kvm on multiple host cores. # Uses gem5's parallel event queue feature # Note: The simulator is quite picky about this number! root.sim_quantum = int(1e9) # 1 ms # Instantiate all of the objects if opts.checkpoint_restore: m5.instantiate(opts.checkpoint_dir) else: m5.instantiate() globalStart = time.time() print("Running the simulation") print("Using cpu: {}".format(cpu)) exit_event = m5.simulate(opts.abs_max_tick) # While there is still something to do in the guest keep executing. while exit_event.getCause() != "m5_exit instruction encountered": # If the user pressed ctrl-c on the host, then we really should exit if exit_event.getCause() == "user interrupt received": print("User interrupt. Exiting") break if exit_event.getCause() == "simulate() limit reached": break elif "checkpoint" in exit_event.getCause(): m5.checkpoint(opts.checkpoint_dir) break elif "switchcpu" in exit_event.getCause(): system.switchCpus(system.cpu, system.warmupCpu) else: break print('Exiting @ tick %i because %s' % (m5.curTick(), exit_event.getCause()))
bench_file.write('sleep 5 \n') bench_file.write('m5 exit \n') bench_file.close() return file_name if __name__ == "__m5_main__": (opts, args) = SimpleOpts.parse_args() kernel, disk, cpu, benchmark, size, num_cpus = args if not cpu in ['timing', 'kvm']: m5.fatal("cpu not supported") # create the system we are going to simulate system = MySystem(kernel, disk, int(num_cpus), opts, no_kvm=False) # Exit from guest on workbegin/workend system.exit_on_work_items = True # Create and pass a script to the simulated system to run the reuired # benchmark system.readfile = writeBenchScript(m5.options.outdir, benchmark, size) # set up the root SimObject and start the simulation root = Root(full_system = True, system = system) if system.getHostParallel(): # Required for running kvm on multiple host cores. # Uses gem5's parallel event queue feature # Note: The simulator is quite picky about this number! root.sim_quantum = int(1e9) # 1 ms #needed for long running jobs