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-rw-r--r--configs/example/fs.py198
-rw-r--r--configs/example/memtest.py138
-rw-r--r--configs/example/se.py168
3 files changed, 450 insertions, 54 deletions
diff --git a/configs/example/fs.py b/configs/example/fs.py
index a5b8772af..a9daf63be 100644
--- a/configs/example/fs.py
+++ b/configs/example/fs.py
@@ -40,26 +40,49 @@ if not m5.build_env['FULL_SYSTEM']:
parser = optparse.OptionParser()
-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")
-parser.add_option("-m", "--maxtick", type="int")
-parser.add_option("--maxtime", type="float")
+# Benchmark options
parser.add_option("--dual", action="store_true",
help="Simulate two systems attached with an ethernet link")
parser.add_option("-b", "--benchmark", action="store", type="string",
dest="benchmark",
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("-c", "--checkpoint", action="store", type="int",
+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")
+
(options, args) = parser.parse_args()
if args:
@@ -74,23 +97,24 @@ class MyCache(BaseCache):
tgts_per_mshr = 5
protocol = CoherenceProtocol(protocol='moesi')
-# client system CPU is always simple... note this is an assignment of
+# driver system CPU is always simple... note this is an assignment of
# a class, not an instance.
-ClientCPUClass = AtomicSimpleCPU
-client_mem_mode = 'atomic'
+DriveCPUClass = AtomicSimpleCPU
+drive_mem_mode = 'atomic'
+# system under test can be any of these CPUs
if options.detailed:
- ServerCPUClass = DerivO3CPU
- server_mem_mode = 'timing'
+ TestCPUClass = DerivO3CPU
+ test_mem_mode = 'timing'
elif options.timing:
- ServerCPUClass = TimingSimpleCPU
- server_mem_mode = 'timing'
+ TestCPUClass = TimingSimpleCPU
+ test_mem_mode = 'timing'
else:
- ServerCPUClass = AtomicSimpleCPU
- server_mem_mode = 'atomic'
+ TestCPUClass = AtomicSimpleCPU
+ test_mem_mode = 'atomic'
-ServerCPUClass.clock = '2GHz'
-ClientCPUClass.clock = '2GHz'
+TestCPUClass.clock = '2GHz'
+DriveCPUClass.clock = '2GHz'
if options.benchmark:
try:
@@ -105,38 +129,59 @@ else:
else:
bm = [SysConfig()]
-server_sys = makeLinuxAlphaSystem(server_mem_mode, bm[0])
+test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
np = options.num_cpus
-server_sys.cpu = [ServerCPUClass(cpu_id=i) for i in xrange(np)]
+test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
for i in xrange(np):
- if options.caches:
- server_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'),
+ if options.caches and not options.standard_switch:
+ test_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'),
MyCache(size = '64kB'))
- server_sys.cpu[i].connectMemPorts(server_sys.membus)
- server_sys.cpu[i].mem = server_sys.physmem
+ test_sys.cpu[i].connectMemPorts(test_sys.membus)
+ test_sys.cpu[i].mem = test_sys.physmem
if len(bm) == 2:
- client_sys = makeLinuxAlphaSystem(client_mem_mode, bm[1])
- client_sys.cpu = ClientCPUClass(cpu_id=0)
- client_sys.cpu.connectMemPorts(client_sys.membus)
- client_sys.cpu.mem = client_sys.physmem
- root = makeDualRoot(server_sys, client_sys, options.etherdump)
+ drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
+ drive_sys.cpu = DriveCPUClass(cpu_id=0)
+ drive_sys.cpu.connectMemPorts(drive_sys.membus)
+ drive_sys.cpu.mem = drive_sys.physmem
+ root = makeDualRoot(test_sys, drive_sys, options.etherdump)
elif len(bm) == 1:
- root = Root(clock = '1THz', system = server_sys)
+ root = Root(clock = '1THz', system = test_sys)
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:
+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 options.checkpoint_dir:
- cptdir = options.checkpoint_dir
- else:
- cptdir = getcwd()
if not isdir(cptdir):
m5.panic("checkpoint dir %s does not exist!" % cptdir)
@@ -149,10 +194,26 @@ if options.checkpoint:
if match:
cpts.append(match.group(1))
- if options.checkpoint > len(cpts):
- m5.panic('Checkpoint %d not found' % options.checkpoint)
+ cpts.sort(lambda a,b: cmp(long(a), long(b)))
- m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint - 1]]))
+ 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
@@ -163,17 +224,56 @@ elif options.maxtime:
else:
maxtick = -1
-exit_event = m5.simulate(maxtick)
+num_checkpoints = 0
-while exit_event.getCause() == "checkpoint":
- if options.checkpoint_dir:
- m5.checkpoint(root, "/".join([options.checkpoint_dir, "cpt.%d"]))
- else:
- m5.checkpoint(root, "cpt.%d")
+exit_cause = ''
- if maxtick == -1:
- exit_event = m5.simulate(maxtick)
- else:
- exit_event = m5.simulate(maxtick - m5.curTick())
+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()
-print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
+if exit_cause == '':
+ exit_cause = exit_event.getCause()
+print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
diff --git a/configs/example/memtest.py b/configs/example/memtest.py
new file mode 100644
index 000000000..141ecfd8e
--- /dev/null
+++ b/configs/example/memtest.py
@@ -0,0 +1,138 @@
+# Copyright (c) 2006 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Ron Dreslinski
+
+import m5
+from m5.objects import *
+import os, optparse, sys
+m5.AddToPath('../common')
+
+parser = optparse.OptionParser()
+
+parser.add_option("--caches", action="store_true")
+parser.add_option("-t", "--timing", action="store_true")
+parser.add_option("-m", "--maxtick", type="int")
+parser.add_option("-l", "--maxloads", default = "1000000000000", type="int")
+parser.add_option("-n", "--numtesters", default = "8", type="int")
+parser.add_option("-p", "--protocol",
+ default="moesi",
+ help="The coherence protocol to use for the L1'a (i.e. MOESI, MOSI)")
+
+(options, args) = parser.parse_args()
+
+if args:
+ print "Error: script doesn't take any positional arguments"
+ sys.exit(1)
+
+# --------------------
+# Base L1 Cache
+# ====================
+
+class L1(BaseCache):
+ latency = 1
+ block_size = 64
+ mshrs = 12
+ tgts_per_mshr = 8
+ protocol = CoherenceProtocol(protocol=options.protocol)
+
+# ----------------------
+# Base L2 Cache
+# ----------------------
+
+class L2(BaseCache):
+ block_size = 64
+ latency = 10
+ mshrs = 92
+ tgts_per_mshr = 16
+ write_buffers = 8
+
+#MAX CORES IS 8 with the false sharing method
+if options.numtesters > 8:
+ print "Error: NUmber of testers limited to 8 because of false sharing"
+ sys,exit(1)
+
+if options.timing:
+ cpus = [ MemTest(atomic=False, max_loads=options.maxloads, percent_functional=50,
+ percent_uncacheable=10, progress_interval=1000)
+ for i in xrange(options.numtesters) ]
+else:
+ cpus = [ MemTest(atomic=True, max_loads=options.maxloads, percent_functional=50,
+ percent_uncacheable=10, progress_interval=1000)
+ for i in xrange(options.numtesters) ]
+# system simulated
+system = System(cpu = cpus, funcmem = PhysicalMemory(),
+ physmem = PhysicalMemory(latency = "50ps"), membus = Bus(clock="500GHz", width=16))
+
+# l2cache & bus
+if options.caches:
+ system.toL2Bus = Bus(clock="500GHz", width=16)
+ system.l2c = L2(size='64kB', assoc=8)
+ system.l2c.cpu_side = system.toL2Bus.port
+
+ # connect l2c to membus
+ system.l2c.mem_side = system.membus.port
+
+which_port = 0
+# add L1 caches
+for cpu in cpus:
+ if options.caches:
+ cpu.l1c = L1(size = '32kB', assoc = 4)
+ cpu.test = cpu.l1c.cpu_side
+ cpu.l1c.mem_side = system.toL2Bus.port
+ else:
+ cpu.test = system.membus.port
+ if which_port == 0:
+ system.funcmem.port = cpu.functional
+ which_port = 1
+ else:
+ system.funcmem.functional = cpu.functional
+
+
+# connect memory to membus
+system.physmem.port = system.membus.port
+
+
+# -----------------------
+# run simulation
+# -----------------------
+
+root = Root( system = system )
+if options.timing:
+ root.system.mem_mode = 'timing'
+else:
+ root.system.mem_mode = 'atomic'
+
+# instantiate configuration
+m5.instantiate(root)
+
+# simulate until program terminates
+if options.maxtick:
+ exit_event = m5.simulate(options.maxtick)
+else:
+ exit_event = m5.simulate()
+
+print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
diff --git a/configs/example/se.py b/configs/example/se.py
index 6a941b9da..2e63e27da 100644
--- a/configs/example/se.py
+++ b/configs/example/se.py
@@ -37,6 +37,7 @@ m5.AddToPath('../common')
parser = optparse.OptionParser()
+# Benchmark options
parser.add_option("-c", "--cmd",
default="../../tests/test-progs/hello/bin/alpha/linux/hello",
help="The binary to run in syscall emulation mode.")
@@ -45,9 +46,35 @@ parser.add_option("-o", "--options", default="",
string.")
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")
(options, args) = parser.parse_args()
@@ -55,6 +82,13 @@ 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
+
process = LiveProcess()
process.executable = options.cmd
process.cmd = options.cmd + " " + options.options
@@ -93,25 +127,149 @@ cpu.workload = process
cpu.cpu_id = 0
system = System(cpu = cpu,
- physmem = PhysicalMemory(),
+ 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)
if options.timing or options.detailed:
root.system.mem_mode = 'timing'
+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
+ 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)
-# simulate until program terminates
+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:
- exit_event = m5.simulate(options.maxtick)
+ maxtick = options.maxtick
+elif options.maxtime:
+ simtime = int(options.maxtime * root.clock.value)
+ print "simulating for: ", simtime
+ maxtick = simtime
else:
- exit_event = m5.simulate()
+ 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
-print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-25 05:14:38 +0000