garnet_synth_traffic.py revision 11661
1# Copyright (c) 2016 Georgia Institute of Technology 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Author: Tushar Krishna 28 29import m5 30from m5.objects import * 31from m5.defines import buildEnv 32from m5.util import addToPath 33import os, optparse, sys 34addToPath('../common') 35addToPath('../ruby') 36addToPath('../topologies') 37 38import Options 39import Ruby 40 41# Get paths we might need. It's expected this file is in m5/configs/example. 42config_path = os.path.dirname(os.path.abspath(__file__)) 43config_root = os.path.dirname(config_path) 44m5_root = os.path.dirname(config_root) 45 46parser = optparse.OptionParser() 47Options.addCommonOptions(parser) 48 49parser.add_option("--synthetic", type="choice", default="uniform_random", 50 choices=['uniform_random', 'tornado', 'bit_complement', \ 51 'bit_reverse', 'bit_rotation', 'neighbor', \ 52 'shuffle', 'transpose']) 53 54parser.add_option("-i", "--injectionrate", type="float", default=0.1, 55 metavar="I", 56 help="Injection rate in packets per cycle per node. \ 57 Takes decimal value between 0 to 1 (eg. 0.225). \ 58 Number of digits after 0 depends upon --precision.") 59 60parser.add_option("--precision", type="int", default=3, 61 help="Number of digits of precision after decimal point\ 62 for injection rate") 63 64parser.add_option("--sim-cycles", type="int", default=1000, 65 help="Number of simulation cycles") 66 67parser.add_option("--num-packets-max", type="int", default=-1, 68 help="Stop injecting after --num-packets-max.\ 69 Set to -1 to disable.") 70 71parser.add_option("--single-sender-id", type="int", default=-1, 72 help="Only inject from this sender.\ 73 Set to -1 to disable.") 74 75parser.add_option("--single-dest-id", type="int", default=-1, 76 help="Only send to this destination.\ 77 Set to -1 to disable.") 78 79parser.add_option("--inj-vnet", type="int", default=-1, 80 help="Only inject in this vnet (0, 1 or 2).\ 81 0 and 1 are 1-flit, 2 is 5-flit.\ 82 Set to -1 to inject randomly in all vnets.") 83 84# 85# Add the ruby specific and protocol specific options 86# 87Ruby.define_options(parser) 88 89execfile(os.path.join(config_root, "common", "Options.py")) 90 91(options, args) = parser.parse_args() 92 93if args: 94 print "Error: script doesn't take any positional arguments" 95 sys.exit(1) 96 97 98if options.inj_vnet > 2: 99 print "Error: Injection vnet %d should be 0 (1-flit), 1 (1-flit) \ 100 or 2 (5-flit) or -1 (random)"\ 101 % (options.inj_vnet) 102 sys.exit(1) 103 104 105cpus = [ GarnetSyntheticTraffic( 106 num_packets_max=options.num_packets_max, 107 single_sender=options.single_sender_id, 108 single_dest=options.single_dest_id, 109 sim_cycles=options.sim_cycles, 110 traffic_type=options.synthetic, 111 inj_rate=options.injectionrate, 112 inj_vnet=options.inj_vnet, 113 precision=options.precision, 114 num_dest=options.num_dirs) \ 115 for i in xrange(options.num_cpus) ] 116 117# create the desired simulated system 118system = System(cpu = cpus, mem_ranges = [AddrRange(options.mem_size)]) 119 120 121# Create a top-level voltage domain and clock domain 122system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) 123 124system.clk_domain = SrcClockDomain(clock = options.sys_clock, 125 voltage_domain = system.voltage_domain) 126 127Ruby.create_system(options, False, system) 128 129# Create a seperate clock domain for Ruby 130system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, 131 voltage_domain = system.voltage_domain) 132 133i = 0 134for ruby_port in system.ruby._cpu_ports: 135 # 136 # Tie the cpu test ports to the ruby cpu port 137 # 138 cpus[i].test = ruby_port.slave 139 i += 1 140 141# ----------------------- 142# run simulation 143# ----------------------- 144 145root = Root(full_system = False, system = system) 146root.system.mem_mode = 'timing' 147 148# Not much point in this being higher than the L1 latency 149m5.ticks.setGlobalFrequency('1ns') 150 151# instantiate configuration 152m5.instantiate() 153 154# simulate until program terminates 155exit_event = m5.simulate(options.abs_max_tick) 156 157print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause() 158