def create_xml(frequency):
from m5 import options
import os
global stat_strings
stat_strings = []
_m5.stats.processDumpQueue()
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
#predumping does nothing unless overriden
prepare(
) #prepare for scalar stats does nothing: statistic.h - class statstor.prepare()
for output in outputList:
if output.valid():
stat_strings.append(output.begin())
_dump_to_visitor(output, None)
stat_strings.append(output.end())
m5_stats_file = os.path.join(options.outdir, options.stats_file)
m5_config_file = os.path.join(options.outdir, options.dump_config)
mcpat_output_path = os.path.join(options.mcpat_out, options.mcpat_testname)
if not os.path.isdir(mcpat_output_path):
os.mkdir(mcpat_output_path)
#TODO jimmy change these stats from hardcoded to params
fr = [4E9 / 1E6]
i_f = os.path.join(mcpat_output_path, "serial_mp.xml")
generate_xml(m5_stats_file, m5_config_file, i_f, stat_strings, \
True, voltage=1.4, frequency=fr, temperature=380.0, \
device_type=options.mcpat_device_type)
def _dump_to_visitor(visitor, root=None):
global stat_strings
# Legacy stats
if root is None:
for stat in stats_list:
stat_strings.append(stat.visit(visitor))
# New stats
def dump_group(group):
global stat_strings
for stat in group.getStats():
stat_strings.append(stat.visit(visitor))
for n, g in group.getStatGroups().items():
visitor.beginGroup(n) #visitor is type output
dump_group(g)
visitor.endGroup()
if root is not None:
for p in root.path_list():
visitor.beginGroup(p)
dump_group(root if root is not None else Root.getInstance())
if root is not None:
for p in reversed(root.path_list()):
visitor.endGroup()
def _dump_to_visitor(visitor, roots=None):
# New stats
def dump_group(group):
for stat in group.getStats():
stat.visit(visitor)
for n, g in group.getStatGroups().items():
visitor.beginGroup(n)
dump_group(g)
visitor.endGroup()
if roots:
# New stats from selected subroots.
for root in roots:
for p in root.path_list():
visitor.beginGroup(p)
dump_group(root)
for p in reversed(root.path_list()):
visitor.endGroup()
else:
# Legacy stats
for stat in stats_list:
stat.visit(visitor)
# New stats starting from root.
dump_group(Root.getInstance())
def dump(stats_desc="", root=None):
'''Dump all statistics data to the registered outputs'''
now = m5.curTick()
global lastDump
assert lastDump <= now
new_dump = lastDump != now
lastDump = now
# Don't allow multiple global stat dumps in the same tick. It's
# still possible to dump a multiple sub-trees.
if not new_dump and root is None:
return
# Only prepare stats the first time we dump them in the same tick.
if new_dump:
_m5.stats.processDumpQueue()
# Notify new-style stats group that we are about to dump stats.
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
prepare()
for output in outputList:
if output.valid():
output.begin(stats_desc)
_dump_to_visitor(output, root=root)
output.end()
def dump(roots=None):
'''Dump all statistics data to the registered outputs'''
all_roots = []
if roots is not None:
all_roots.extend(roots)
global global_dump_roots
all_roots.extend(global_dump_roots)
now = m5.curTick()
global lastDump
assert lastDump <= now
new_dump = lastDump != now
lastDump = now
# Don't allow multiple global stat dumps in the same tick. It's
# still possible to dump a multiple sub-trees.
if not new_dump and not all_roots:
return
# Only prepare stats the first time we dump them in the same tick.
if new_dump:
_m5.stats.processDumpQueue()
# Notify new-style stats group that we are about to dump stats.
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
prepare()
for output in outputList:
if isinstance(output, JsonOutputVistor):
if not all_roots:
output.dump(Root.getInstance())
else:
output.dump(all_roots)
else:
if output.valid():
output.begin()
_dump_to_visitor(output, roots=all_roots)
output.end()
def reset():
'''Reset all statistics to the base state'''
# call reset stats on all SimObjects
root = Root.getInstance()
if root:
for obj in root.descendants(): obj.resetStats()
# call any other registered stats reset callbacks
for stat in stats_list:
stat.reset()
internal.stats.processResetQueue()
def reset():
'''Reset all statistics to the base state'''
# call reset stats on all SimObjects
root = Root.getInstance()
if root:
for obj in root.descendants(): obj.resetStats()
# call any other registered stats reset callbacks
for stat in stats_list:
stat.reset()
internal.stats.processResetQueue()
def reset():
'''Reset all statistics to the base state'''
# call reset stats on all SimObjects
root = Root.getInstance()
if root:
root.resetStats()
# call any other registered legacy stats reset callbacks
for stat in stats_list:
stat.reset()
_m5.stats.processResetQueue()
def _instantiate(self) -> None:
"""
This method will instantiate the board and carry out necessary
boilerplate code before the instantiation such as setting up root and
setting the sim_quantum (if running in KVM mode).
"""
if not self._instantiated:
root = Root(full_system=self._full_system, board=self._board)
# We take a copy of the Root in case it's required elsewhere
# (for example, in `get_stats()`).
self._root = root
if CPUTypes.KVM in [
core.get_type()
for core in self._board.get_processor().get_cores()
]:
m5.ticks.fixGlobalFrequency()
root.sim_quantum = m5.ticks.fromSeconds(0.001)
m5.instantiate()
self._instantiated = True
def dump(root=None, exit=False):
'''Dump all statistics data to the registered outputs'''
from m5 import options
now = m5.curTick()
global lastDump
global numDump
assert lastDump <= now
global stat_strings
stat_strings = []
new_dump = lastDump != now
lastDump = now
# Don't allow multiple global stat dumps in the same tick. It's
# still possible to dump a multiple sub-trees.
if not new_dump and root is None:
return
numDump += 1
if new_dump:
_m5.stats.processDumpQueue()
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
prepare()
for output in outputList:
if output.valid():
output.begin()
_dump_to_visitor(output, root=root)
output.end()
# max_instr = options.power_profile_instrs
max_dump = options.power_profile_duration
print("Num Dumps: ", numDump)
if (numDump == max_dump or exit):
print("Ending after " + str(numDump) + " datapoints")
sys.exit()
def _dump_to_visitor(visitor, root=None):
# Legacy stats
if root is None:
for stat in stats_list:
stat.visit(visitor)
# New stats
def dump_group(group):
for stat in group.getStats():
stat.visit(visitor)
for n, g in group.getStatGroups().items():
visitor.beginGroup(n)
dump_group(g)
visitor.endGroup()
if root is not None:
for p in root.path_list():
visitor.beginGroup(p)
dump_group(root if root is not None else Root.getInstance())
if root is not None:
for p in reversed(root.path_list()):
visitor.endGroup()
parser = argparse.ArgumentParser()
parser.add_argument('cpu', choices=valid_cpus.keys())
parser.add_argument('memory_model', choices=valid_memories.keys())
parser.add_argument('binary', type=str, help="Path to binary to run")
#parser.add_argument('binary_input', type = str, help = "Inputs to the binary")
args = parser.parse_args()
class MySystem(BaseTestSystem):
_CPUModel = valid_cpus[args.cpu]
_MemoryModel = valid_memories[args.memory_model]
system = MySystem()
system.setTestBinary(args.binary)
root = Root(full_system=False, system=system)
m5.instantiate()
exit_event = m5.simulate()
if exit_event.getCause() != 'exiting with last active thread context':
print("Benchmark failed with bad exit cause.")
print(exit_event.getCause())
exit(1)
if exit_event.getCode() != 0:
print("Benchmark failed with bad exit code.")
print("Exit code {}".format(exit_event.getCode()))
exit(1)
print("{} ms".format(m5.curTick()))
# Authors: Gabe Black
from __future__ import print_function
import argparse
import m5
import os
import re
import sys
from m5.objects import SystemC_Kernel, Root
# pylint:disable=unused-variable
kernel = SystemC_Kernel()
root = Root(full_system=True, systemc_kernel=kernel)
parser = argparse.ArgumentParser()
parser.add_argument('--working-dir')
args = parser.parse_args()
if args.working_dir:
os.chdir(args.working_dir)
kernel.sc_main()
m5.instantiate(None)
cause = m5.simulate(m5.MaxTick).getCause()
result = kernel.sc_main_result()
def _visit_groups(visitor, root=None):
if root is None:
root = Root.getInstance()
for group in root.getStatGroups().values():
visitor(group)
_visit_groups(visitor, root=group)
# `~/.cache/gem5` directory if not already present.
# SPEC CPU2006 benchamarks were tested with kernel version 4.19.83 and
# 5.4.49
kernel=Resource("x86-linux-kernel-4.19.83", ),
# The location of the x86 SPEC CPU 2017 image
disk_image=CustomDiskImageResource(
args.image,
disk_root_partition=args.partition,
),
readfile_contents=command,
)
# We need this for long running processes.
m5.disableAllListeners()
root = Root(full_system=True, system=board)
# sim_quantum must be set when KVM cores are used.
root.sim_quantum = int(1e9)
m5.instantiate()
# We maintain the wall clock time.
globalStart = time.time()
print("Running the simulation")
print("Using KVM cpu")
start_tick = m5.curTick()
processor = SimpleProcessor(cpu_type=CPUTypes.ATOMIC, num_cores=1)
motherboard = SimpleBoard(
clk_freq="3GHz",
processor=processor,
memory=memory,
cache_hierarchy=cache_hierarchy,
)
motherboard.connect_things()
# Set the workload
thispath = os.path.dirname(os.path.realpath(__file__))
binary = os.path.join(thispath,
"../../../tests/test-progs/hello/bin/x86/linux/hello")
motherboard.set_workload(binary)
# Run the simulation.
print("Running with ISA: {}.".format(get_runtime_isa().name))
print("Running with protocol: {}.".format(
get_runtime_coherence_protocol().name))
print()
root = Root(full_system=False, system=motherboard)
m5.instantiate()
exit_event = m5.simulate()
print("Exiting @ tick {} because {}.".format(m5.curTick(),
exit_event.getCause()))
def isRoot(obj):
from m5.objects import Root
return obj and obj is Root.getInstance()
def isRoot(obj):
from m5.objects import Root
return obj and obj is Root.getInstance()
def dump_verilog(root=None, exit=False):
print("******************DUMP_VERILOG******************")
'''Dump all statistics data to the registered outputs'''
from m5 import options
now = m5.curTick()
global lastDump
global numDump
global init_ncsim
global lastVoltage
global lastCurrent
global runtime_begin_profile
global committedInstrs
global profiling
global lv
assert lastDump <= now
global stat_strings
stat_strings = []
new_dump = lastDump != now
lastDump = now
# Don't allow multiple global stat dumps in the same tick. It's
# still possible to dump a multiple sub-trees.
# if not new_dump and root is None:
# return 0
if (options.mcpat_enable):
if ((options.power_profile_start != -1
and now >= options.power_profile_start) or runtime_begin_profile):
mcpat.set_flags(options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
# profiling = True
# numDump += 1
new_dump = True
if new_dump:
_m5.stats.processDumpQueue()
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
#predumping does nothing unless overriden
prepare(
) #prepare for scalar stats does nothing: statistic.h - class statstor.prepare()
for output in outputList:
if output.valid():
stat_strings.append(output.begin())
_dump_to_visitor(output, root=root)
stat_strings.append(output.end())
#print("".join(stat_strings))
#sys.exit(1)
# Initialilze the Verilog Sim:
power = 0
resistance = 0
voltage = 0
current = 0
mp_v = vpi_shm.mp_get_voltage_set()
mp_f = []
for i in range(vpi_shm.mp_get_ncores()):
mp_f.append(vpi_shm.mp_get_freq(i))
if (options.ncverilog_enable):
if init_ncsim:
# Run an Initial McPAT stats run with 1.0v
mcpat.m5_to_mcpat(stat_strings,\
options.stats_read_from_file, mp_v, mp_f, \
380.0, options.mcpat_device_type)
resistance = mcpat.get_last_r(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
current = mcpat.get_last_i(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
power = mcpat.get_last_p(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
# Run Init and warmup PowerSupply
vpi_shm.initialize(options.mcpat_testname)
for i in range(int(options.ncverilog_warmup)):
vpi_shm.set_driver_signals(current, 0)
lv = vpi_shm.get_voltage()
lastVoltage = lv
lastCurrent = vpi_shm.get_current()
vpi_shm.ack_supply()
init_ncsim = False
else:
if options.ncverilog_feedback:
mcpat.m5_to_mcpat(stat_strings,\
options.stats_read_from_file, lv, mp_f, \
380.0, options.mcpat_device_type)
resistance = mcpat.get_last_r(lv, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
current = mcpat.get_last_i(lv, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
power = mcpat.get_last_p(lv, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
else:
mcpat.m5_to_mcpat(stat_strings,\
options.stats_read_from_file, mp_v, mp_f, \
380.0, options.mcpat_device_type)
resistance = mcpat.get_last_r(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
current = mcpat.get_last_i(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
power = mcpat.get_last_p(mp_v, \
options.mcpat_use_fg_pg, \
options.mcpat_scale_factor)
vpi_shm.set_driver_signals(current, 0)
lv = vpi_shm.get_voltage()
lastVoltage = lv
lastCurrent = vpi_shm.get_current()
vpi_shm.ack_supply()
else:
mcpat.m5_to_mcpat(stat_strings,\
options.stats_read_from_file, 1.4, [4000], \
380.0, options.mcpat_device_type)
# max_dump = options.power_profile_duration
# max_instr = options.power_profile_instrs
# if(numDump == max_dump or exit or committedInstrs >= max_instr):
# mcpat.dump()
# runtime_begin_profile = False
# print("Ending after "+str(numDump)+
# " stat dumps")
# # Clean up simulation:
# if(options.ncverilog_enable):
# current = mcpat.get_last_i(mp_v)
# vpi_shm.set_driver_signals(current, 1)
# lastVoltage=vpi_shm.get_voltage()
# lastCurrent=vpi_shm.get_current()
# vpi_shm.ack_supply()
# sys.exit()
else:
if new_dump:
_m5.stats.processDumpQueue()
sim_root = Root.getInstance()
if sim_root:
sim_root.preDumpStats()
prepare()
for output in outputList:
if output.valid():
output.begin()
_dump_to_visitor(output, root=root)
output.end()
power_ret = mcpat.get_last_p(voltage=1.4,
power_gating=True,
scale_factor=1.0)
if power_ret is None:
return 0
return power_ret
# Setup a single core Processor.
processor = SimpleProcessor(cpu_type=cpu, num_cores=1)
# Setup the board.
board = RiscvBoard(clk_freq="1GHz",
processor=processor,
memory=memory,
cache_hierarchy=cache_hierarchy,
use_disk_image=False)
board.connect_things()
# Set the Full System workload.
board.set_workload(disk_image=None,
bootloader=bbl,
kernel_boot_params="console=ttyS0")
root = Root(full_system=True, system=board)
m5.instantiate()
print("Beginning simulation!")
# Note: You can access the terminal upon boot using
# m5term (`./util/term`): `./m5term localhost <port>`. Note the `<port>`
# value is obtained from the gem5 terminal stdout. Look out for
# "system.platform.terminal: Listening for connections on port <port>".
exit_event = m5.simulate()
print("Exiting @ tick {} because {}.".format(m5.curTick(),
exit_event.getCause()))
boot_img_url = (
"http://dist.gem5.org/dist/v21-0/images/x86/ubuntu-18-04/boot-exit.img.gz")
boot_img_path_gz = os.path.join(thispath, "boot-exit.img.gz")
boot_img_path = os.path.join(thispath, "boot-exit.img")
if not os.path.exists(boot_img_path):
subprocess.run(["wget", "-P", thispath, boot_img_url])
with gzip.open(boot_img_path_gz, "rb") as f:
with open(boot_img_path, "wb") as o:
shutil.copyfileobj(f, o)
# Set the Full System workload.
motherboard.set_workload(kernel=kernel_path,
disk_image=boot_img_path,
command="m5 exit \n")
# Begin running of the simulation. This will exit once the Linux system boot
# is complete.
print("Running with ISA: " + get_runtime_isa().name)
print("Running with protocol: " + get_runtime_coherence_protocol().name)
print()
root = Root(full_system=True, system=motherboard)
m5.instantiate()
print("Beginning simulation!")
exit_event = m5.simulate()
print("Exiting @ tick {} because {}.".format(m5.curTick(),
exit_event.getCause()))