-# Copyright (c) 2006 The Regents of The University of Michigan
+# Copyright (c) 2006-2007 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
from m5.objects import *
import os, optparse, sys
m5.AddToPath('../common')
+import Simulation
+from Caches import *
+
+# 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)
+m5_root = os.path.dirname(config_root)
parser = optparse.OptionParser()
# Benchmark options
parser.add_option("-c", "--cmd",
- default="../../tests/test-progs/hello/bin/alpha/linux/hello",
+ default=os.path.join(m5_root, "tests/test-progs/hello/bin/alpha/linux/hello"),
help="The binary to run in syscall emulation mode.")
parser.add_option("-o", "--options", default="",
help="The options to pass to the binary, use \" \" around the entire\
parser.add_option("-i", "--input", default="",
help="A file of input to give to the binary.")
-# System options
-parser.add_option("-d", "--detailed", action="store_true")
-parser.add_option("-t", "--timing", action="store_true")
-parser.add_option("--caches", action="store_true")
-
-# Run duration options
-parser.add_option("-m", "--maxtick", type="int")
-parser.add_option("--maxtime", type="float")
-
-#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 generally 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()
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
-
process = LiveProcess()
process.executable = options.cmd
process.cmd = options.cmd + " " + options.options
process += [smt_process, ]
smt_idx += 1
+(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
-if options.timing:
- cpu = TimingSimpleCPU()
-elif options.detailed:
- cpu = DerivO3CPU()
-else:
- cpu = AtomicSimpleCPU()
+CPUClass.clock = '2GHz'
-cpu.workload = process
-cpu.cpu_id = 0
+np = options.num_cpus
-system = System(cpu = cpu,
+system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
physmem = PhysicalMemory(range=AddrRange("512MB")),
- membus = Bus())
-system.physmem.port = system.membus.port
-system.cpu.connectMemPorts(system.membus)
-system.cpu.mem = system.physmem
-system.cpu.clock = '2GHz'
-if options.caches and not options.standard_switch:
- system.cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'),
- MyCache(size = '64kB'))
-
-root = Root(system = system)
+ membus = Bus(), mem_mode = test_mem_mode)
-if options.timing or options.detailed:
- root.system.mem_mode = 'timing'
+system.physmem.port = system.membus.port
-if options.standard_switch:
- switch_cpu = TimingSimpleCPU(defer_registration=True, cpu_id=1)
- switch_cpu1 = DerivO3CPU(defer_registration=True, cpu_id=2)
- switch_cpu.system = system
- switch_cpu1.system = system
- switch_cpu.clock = cpu.clock
- switch_cpu1.clock = cpu.clock
+for i in xrange(np):
if options.caches:
- switch_cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'),
- MyCache(size = '64kB'))
-
- switch_cpu.workload = process
- switch_cpu1.workload = process
- switch_cpu.mem = system.physmem
- switch_cpu1.mem = system.physmem
- switch_cpu.connectMemPorts(system.membus)
- root.switch_cpu = switch_cpu
- root.switch_cpu1 = switch_cpu1
- switch_cpu_list = [(system.cpu, switch_cpu)]
- switch_cpu_list1 = [(switch_cpu, switch_cpu1)]
-
-# instantiate configuration
-m5.instantiate(root)
-
-if options.checkpoint_dir:
- cptdir = options.checkpoint_dir
-else:
- cptdir = 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)
-
- print "restoring checkpoint from ","/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])
- m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]]))
-
-if options.standard_switch:
- exit_event = m5.simulate(10000)
- ## 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(system)
- m5.switchCpus(switch_cpu_list)
- m5.resume(system)
-
- 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
+ system.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
+ L1Cache(size = '64kB'))
+ if options.l2cache:
+ system.l2 = L2Cache(size='2MB')
+ system.tol2bus = Bus()
+ system.l2.cpu_side = system.tol2bus.port
+ system.l2.mem_side = system.membus.port
+ system.cpu[i].connectMemPorts(system.tol2bus)
+ else:
+ system.cpu[i].connectMemPorts(system.membus)
+ system.cpu[i].workload = process
+root = Root(system = system)
+Simulation.run(options, root, system, FutureClass)
projects / gem5.git / blobdiff