diff options
Diffstat (limited to 'configs/example/fs.py')
| -rw-r--r-- | configs/example/fs.py | 175 |
1 files changed, 10 insertions, 165 deletions
diff --git a/configs/example/fs.py b/configs/example/fs.py index 76b62a066..3ce463879 100644 --- a/configs/example/fs.py +++ b/configs/example/fs.py @@ -34,10 +34,16 @@ m5.AddToPath('../common') from FSConfig import * from SysPaths import * from Benchmarks import * +import Simulation +from Caches import * if not m5.build_env['FULL_SYSTEM']: m5.panic("This script requires full-system mode (ALPHA_FS).") +# Get paths we might need. It's expected this file is in m5/configs/example. +config_path = os.path.dirname(os.path.abspath(__file__)) +config_root = os.path.dirname(config_path) + parser = optparse.OptionParser() # Benchmark options @@ -48,40 +54,12 @@ parser.add_option("-b", "--benchmark", action="store", type="string", help="Specify the benchmark to run. Available benchmarks: %s"\ % DefinedBenchmarks) -# system options -parser.add_option("-d", "--detailed", action="store_true") -parser.add_option("-t", "--timing", action="store_true") -parser.add_option("-n", "--num_cpus", type="int", default=1) -parser.add_option("--caches", action="store_true") - -# Run duration options -parser.add_option("-m", "--maxtick", type="int") -parser.add_option("--maxtime", type="float") - # Metafile options parser.add_option("--etherdump", action="store", type="string", dest="etherdump", help="Specify the filename to dump a pcap capture of the" \ "ethernet traffic") -# Checkpointing options -###Note that performing checkpointing via python script files will override -###checkpoint instructions built into binaries. -parser.add_option("--take_checkpoints", action="store", type="string", - help="<M,N> will take checkpoint at cycle M and every N cycles \ - thereafter") -parser.add_option("--max_checkpoints", action="store", type="int", - help="the maximum number of checkpoints to drop", - default=5) -parser.add_option("--checkpoint_dir", action="store", type="string", - help="Place all checkpoints in this absolute directory") -parser.add_option("-r", "--checkpoint_restore", action="store", type="int", - help="restore from checkpoint <N>") - -# CPU Switching - default switch model goes from a checkpoint -# to a timing simple CPU with caches to warm up, then to detailed CPU for -# data measurement -parser.add_option("-s", "--standard_switch", action="store_true", - help="switch from one cpu mode to another") +execfile(os.path.join(config_root, "common", "Options.py")) (options, args) = parser.parse_args() @@ -89,14 +67,6 @@ if args: print "Error: script doesn't take any positional arguments" sys.exit(1) -class MyCache(BaseCache): - assoc = 2 - block_size = 64 - latency = 1 - mshrs = 10 - tgts_per_mshr = 5 - protocol = CoherenceProtocol(protocol='moesi') - # driver system CPU is always simple... note this is an assignment of # a class, not an instance. DriveCPUClass = AtomicSimpleCPU @@ -134,8 +104,8 @@ np = options.num_cpus test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)] for i in xrange(np): if options.caches and not options.standard_switch: - test_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'), - MyCache(size = '64kB')) + test_sys.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), + L1Cache(size = '64kB')) test_sys.cpu[i].connectMemPorts(test_sys.membus) test_sys.cpu[i].mem = test_sys.physmem @@ -151,129 +121,4 @@ else: print "Error I don't know how to create more than 2 systems." sys.exit(1) -if options.standard_switch: - switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i)) for i in xrange(np)] - switch_cpus1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i)) for i in xrange(np)] - for i in xrange(np): - switch_cpus[i].system = test_sys - switch_cpus1[i].system = test_sys - switch_cpus[i].clock = TestCPUClass.clock - switch_cpus1[i].clock = TestCPUClass.clock - if options.caches: - switch_cpus[i].addPrivateSplitL1Caches(MyCache(size = '32kB'), - MyCache(size = '64kB')) - - switch_cpus[i].mem = test_sys.physmem - switch_cpus1[i].mem = test_sys.physmem - switch_cpus[i].connectMemPorts(test_sys.membus) - root.switch_cpus = switch_cpus - root.switch_cpus1 = switch_cpus1 - switch_cpu_list = [(test_sys.cpu[i], switch_cpus[i]) for i in xrange(np)] - switch_cpu_list1 = [(switch_cpus[i], switch_cpus1[i]) for i in xrange(np)] - -m5.instantiate(root) - -if options.checkpoint_dir: - cptdir = options.checkpoint_dir -else: - cptdir = os.getcwd() - -if options.checkpoint_restore: - from os.path import isdir - from os import listdir, getcwd - import re - - if not isdir(cptdir): - m5.panic("checkpoint dir %s does not exist!" % cptdir) - - dirs = listdir(cptdir) - expr = re.compile('cpt.([0-9]*)') - cpts = [] - for dir in dirs: - match = expr.match(dir) - if match: - cpts.append(match.group(1)) - - cpts.sort(lambda a,b: cmp(long(a), long(b))) - - if options.checkpoint_restore > len(cpts): - m5.panic('Checkpoint %d not found' % options.checkpoint_restore) - - m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])) - -if options.standard_switch: - exit_event = m5.simulate(1000) - ## when you change to Timing (or Atomic), you halt the system given - ## as argument. When you are finished with the system changes - ## (including switchCpus), you must resume the system manually. - ## You DON'T need to resume after just switching CPUs if you haven't - ## changed anything on the system level. - m5.changeToTiming(test_sys) - m5.switchCpus(switch_cpu_list) - m5.resume(test_sys) - - exit_event = m5.simulate(500000000000) - m5.switchCpus(switch_cpu_list1) - -if options.maxtick: - maxtick = options.maxtick -elif options.maxtime: - simtime = int(options.maxtime * root.clock.value) - print "simulating for: ", simtime - maxtick = simtime -else: - maxtick = -1 - -num_checkpoints = 0 - -exit_cause = '' - -if options.take_checkpoints: - [when, period] = options.take_checkpoints.split(",", 1) - when = int(when) - period = int(period) - - exit_event = m5.simulate(when) - while exit_event.getCause() == "checkpoint": - exit_event = m5.simulate(when - m5.curTick()) - - if exit_event.getCause() == "simulate() limit reached": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - - sim_ticks = when - exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints - while num_checkpoints < options.max_checkpoints: - if (sim_ticks + period) > maxtick and maxtick != -1: - exit_event = m5.simulate(maxtick - sim_ticks) - exit_cause = exit_event.getCause() - break - else: - exit_event = m5.simulate(period) - sim_ticks += period - while exit_event.getCause() == "checkpoint": - exit_event = m5.simulate(period - m5.curTick()) - if exit_event.getCause() == "simulate() limit reached": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - -else: #no checkpoints being taken via this script - exit_event = m5.simulate(maxtick) - - while exit_event.getCause() == "checkpoint": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - if num_checkpoints == options.max_checkpoints: - exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints - break - - if maxtick == -1: - exit_event = m5.simulate(maxtick) - else: - exit_event = m5.simulate(maxtick - m5.curTick()) - - exit_cause = exit_event.getCause() - -if exit_cause == '': - exit_cause = exit_event.getCause() -print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause +Simulation.run(options, root, test_sys) |