132 lines
4.7 KiB
Python
132 lines
4.7 KiB
Python
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# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# Copyright (c) 2010 Advanced Micro Devices, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Ron Dreslinski
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# Tushar Krishna
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import m5
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from m5.objects import *
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from m5.defines import buildEnv
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from m5.util import addToPath
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import os, optparse, sys
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addToPath('../common')
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addToPath('../ruby')
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import Ruby
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if buildEnv['FULL_SYSTEM']:
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panic("This script requires system-emulation mode (*_SE).")
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# Get paths we might need. It's expected this file is in m5/configs/example.
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config_path = os.path.dirname(os.path.abspath(__file__))
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config_root = os.path.dirname(config_path)
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m5_root = os.path.dirname(config_root)
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parser = optparse.OptionParser()
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parser.add_option("--synthetic", type="int", default=0,
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help="Synthetic Traffic type. 0 = Uniform Random,\
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1 = Tornado, 2 = Bit Complement")
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parser.add_option("-i", "--injectionrate", type="float", default=0.1,
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metavar="I",
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help="Injection rate in packets per cycle per node. \
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Takes decimal value between 0 to 1 (eg. 0.225). \
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Number of digits after 0 depends upon --precision.")
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parser.add_option("--precision", type="int", default=3,
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help="Number of digits of precision after decimal point\
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for injection rate")
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parser.add_option("--fixed-pkts", action="store_true",
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help="Network_test: send only -p number of packets")
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parser.add_option("-p", "--maxpackets", type="int", default=1,
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metavar="P",
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help="Stop after Packets (works only with --fixed-pkts")
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#
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# Add the ruby specific and protocol specific options
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#
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Ruby.define_options(parser)
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execfile(os.path.join(config_root, "common", "Options.py"))
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(options, args) = parser.parse_args()
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if args:
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print "Error: script doesn't take any positional arguments"
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sys.exit(1)
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block_size = 64
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if options.num_cpus > block_size:
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print "Error: Number of cores %d limited to %d because of false sharing" \
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% (options.num_cpus, block_size)
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sys.exit(1)
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cpus = [ NetworkTest(fixed_pkts=options.fixed_pkts, \
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max_packets=options.maxpackets, \
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traffic_type=options.synthetic, \
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inj_rate=options.injectionrate, \
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precision=options.precision, \
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num_memories=options.num_dirs) \
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for i in xrange(options.num_cpus) ]
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# create the desired simulated system
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system = System(cpu = cpus,
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physmem = PhysicalMemory())
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system.ruby = Ruby.create_system(options, system)
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i = 0
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for ruby_port in system.ruby.cpu_ruby_ports:
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#
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# Tie the cpu test ports to the ruby cpu port
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#
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cpus[i].test = ruby_port.port
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ruby_port.access_phys_mem = False
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i += 1
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# -----------------------
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# run simulation
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# -----------------------
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root = Root( system = system )
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root.system.mem_mode = 'timing'
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# Not much point in this being higher than the L1 latency
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m5.ticks.setGlobalFrequency('1ns')
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# instantiate configuration
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m5.instantiate()
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# simulate until program terminates
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exit_event = m5.simulate(options.maxtick)
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print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
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