8a9ea974ee
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Change-Id: I6a1a06abeca1621efb378c400c5b24b33a7a3727 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52866 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Jason Lowe-Power <power.jg@gmail.com>
144 lines
5.5 KiB
Python
144 lines
5.5 KiB
Python
# Copyright (c) 2016 Georgia Institute of Technology
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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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# Author: 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, argparse, sys
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addToPath('../')
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from common import Options
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from ruby import Ruby
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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 = argparse.ArgumentParser()
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Options.addNoISAOptions(parser)
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parser.add_argument("--synthetic", default="uniform_random",
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choices=['uniform_random', 'tornado', 'bit_complement', \
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'bit_reverse', 'bit_rotation', 'neighbor', \
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'shuffle', 'transpose'])
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parser.add_argument("-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_argument("--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_argument("--sim-cycles", type=int, default=1000,
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help="Number of simulation cycles")
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parser.add_argument("--num-packets-max", type=int, default=-1,
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help="Stop injecting after --num-packets-max.\
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Set to -1 to disable.")
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parser.add_argument("--single-sender-id", type=int, default=-1,
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help="Only inject from this sender.\
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Set to -1 to disable.")
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parser.add_argument("--single-dest-id", type=int, default=-1,
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help="Only send to this destination.\
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Set to -1 to disable.")
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parser.add_argument("--inj-vnet", type=int, default=-1,
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choices=[-1,0,1,2],
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help="Only inject in this vnet (0, 1 or 2).\
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0 and 1 are 1-flit, 2 is 5-flit.\
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Set to -1 to inject randomly in all vnets.")
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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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args = parser.parse_args()
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cpus = [ GarnetSyntheticTraffic(
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num_packets_max=args.num_packets_max,
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single_sender=args.single_sender_id,
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single_dest=args.single_dest_id,
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sim_cycles=args.sim_cycles,
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traffic_type=args.synthetic,
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inj_rate=args.injectionrate,
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inj_vnet=args.inj_vnet,
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precision=args.precision,
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num_dest=args.num_dirs) \
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for i in range(args.num_cpus) ]
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# create the desired simulated system
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system = System(cpu = cpus, mem_ranges = [AddrRange(args.mem_size)])
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# Create a top-level voltage domain and clock domain
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system.voltage_domain = VoltageDomain(voltage = args.sys_voltage)
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system.clk_domain = SrcClockDomain(clock = args.sys_clock,
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voltage_domain = system.voltage_domain)
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Ruby.create_system(args, False, system)
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# Create a seperate clock domain for Ruby
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system.ruby.clk_domain = SrcClockDomain(clock = args.ruby_clock,
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voltage_domain = system.voltage_domain)
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i = 0
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for ruby_port in system.ruby._cpu_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.in_ports
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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(full_system = False, 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('1ps')
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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(args.abs_max_tick)
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print('Exiting @ tick', m5.curTick(), 'because', exit_event.getCause())
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