ruby_direct_test.py revision 9365
15584Snate@binkert.org# Copyright (c) 2006-2007 The Regents of The University of Michigan 25584Snate@binkert.org# Copyright (c) 2009 Advanced Micro Devices, Inc. 35584Snate@binkert.org# All rights reserved. 45584Snate@binkert.org# 55584Snate@binkert.org# Redistribution and use in source and binary forms, with or without 65584Snate@binkert.org# modification, are permitted provided that the following conditions are 75584Snate@binkert.org# met: redistributions of source code must retain the above copyright 85584Snate@binkert.org# notice, this list of conditions and the following disclaimer; 95584Snate@binkert.org# redistributions in binary form must reproduce the above copyright 105584Snate@binkert.org# notice, this list of conditions and the following disclaimer in the 115584Snate@binkert.org# documentation and/or other materials provided with the distribution; 125584Snate@binkert.org# neither the name of the copyright holders nor the names of its 135584Snate@binkert.org# contributors may be used to endorse or promote products derived from 145584Snate@binkert.org# this software without specific prior written permission. 155584Snate@binkert.org# 165584Snate@binkert.org# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175584Snate@binkert.org# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185584Snate@binkert.org# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195584Snate@binkert.org# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205584Snate@binkert.org# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215584Snate@binkert.org# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225584Snate@binkert.org# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235584Snate@binkert.org# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245584Snate@binkert.org# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255584Snate@binkert.org# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265584Snate@binkert.org# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275584Snate@binkert.org# 285584Snate@binkert.org# Authors: Ron Dreslinski 295584Snate@binkert.org# Brad Beckmann 305584Snate@binkert.org 315584Snate@binkert.orgimport m5 325584Snate@binkert.orgfrom m5.objects import * 335584Snate@binkert.orgfrom m5.defines import buildEnv 345584Snate@binkert.orgfrom m5.util import addToPath 355584Snate@binkert.orgimport os, optparse, sys 365584Snate@binkert.orgaddToPath('../common') 375584Snate@binkert.orgaddToPath('../ruby') 385584Snate@binkert.orgaddToPath('../topologies') 395584Snate@binkert.org 405584Snate@binkert.orgimport Options 415584Snate@binkert.orgimport Ruby 425584Snate@binkert.org 435584Snate@binkert.org# Get paths we might need. It's expected this file is in m5/configs/example. 445584Snate@binkert.orgconfig_path = os.path.dirname(os.path.abspath(__file__)) 455584Snate@binkert.orgconfig_root = os.path.dirname(config_path) 465584Snate@binkert.orgm5_root = os.path.dirname(config_root) 475584Snate@binkert.org 485584Snate@binkert.orgparser = optparse.OptionParser() 49Options.addCommonOptions(parser) 50 51parser.add_option("-l", "--requests", metavar="N", default=100, 52 help="Stop after N requests") 53parser.add_option("-f", "--wakeup_freq", metavar="N", default=10, 54 help="Wakeup every N cycles") 55parser.add_option("--test-type", type="choice", default="SeriesGetx", 56 choices = ["SeriesGetx", "SeriesGets", "SeriesGetMixed", 57 "Invalidate"], 58 help = "Type of test") 59parser.add_option("--percent-writes", type="int", default=100, 60 help="percentage of accesses that should be writes") 61 62# 63# Add the ruby specific and protocol specific options 64# 65Ruby.define_options(parser) 66(options, args) = parser.parse_args() 67 68if args: 69 print "Error: script doesn't take any positional arguments" 70 sys.exit(1) 71 72# 73# Select the direct test generator 74# 75if options.test_type == "SeriesGetx": 76 generator = SeriesRequestGenerator(num_cpus = options.num_cpus, 77 percent_writes = 100) 78elif options.test_type == "SeriesGets": 79 generator = SeriesRequestGenerator(num_cpus = options.num_cpus, 80 percent_writes = 0) 81elif options.test_type == "SeriesGetMixed": 82 generator = SeriesRequestGenerator(num_cpus = options.num_cpus, 83 percent_writes = options.percent_writes) 84elif options.test_type == "Invalidate": 85 generator = InvalidateGenerator(num_cpus = options.num_cpus) 86else: 87 print "Error: unknown direct test generator" 88 sys.exit(1) 89 90# 91# Create the M5 system. Note that the Memory Object isn't 92# actually used by the rubytester, but is included to support the 93# M5 memory size == Ruby memory size checks 94# 95system = System(physmem = SimpleMemory()) 96 97# 98# Create the ruby random tester 99# 100system.tester = RubyDirectedTester(requests_to_complete = \ 101 options.requests, 102 generator = generator) 103 104Ruby.create_system(options, system) 105 106assert(options.num_cpus == len(system.ruby._cpu_ruby_ports)) 107 108for ruby_port in system.ruby._cpu_ruby_ports: 109 # 110 # Tie the ruby tester ports to the ruby cpu ports 111 # 112 system.tester.cpuPort = ruby_port.slave 113 114# ----------------------- 115# run simulation 116# ----------------------- 117 118root = Root( full_system = False, system = system ) 119root.system.mem_mode = 'timing' 120 121# Not much point in this being higher than the L1 latency 122m5.ticks.setGlobalFrequency('1ns') 123 124# instantiate configuration 125m5.instantiate() 126 127# simulate until program terminates 128exit_event = m5.simulate(options.maxtick) 129 130print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause() 131