ruby_random_test.py revision 12564
17635SBrad.Beckmann@amd.com# Copyright (c) 2006-2007 The Regents of The University of Michigan 27635SBrad.Beckmann@amd.com# Copyright (c) 2009 Advanced Micro Devices, Inc. 37635SBrad.Beckmann@amd.com# All rights reserved. 47635SBrad.Beckmann@amd.com# 57635SBrad.Beckmann@amd.com# Redistribution and use in source and binary forms, with or without 67635SBrad.Beckmann@amd.com# modification, are permitted provided that the following conditions are 77635SBrad.Beckmann@amd.com# met: redistributions of source code must retain the above copyright 87635SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer; 97635SBrad.Beckmann@amd.com# redistributions in binary form must reproduce the above copyright 107635SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer in the 117635SBrad.Beckmann@amd.com# documentation and/or other materials provided with the distribution; 127635SBrad.Beckmann@amd.com# neither the name of the copyright holders nor the names of its 137635SBrad.Beckmann@amd.com# contributors may be used to endorse or promote products derived from 147635SBrad.Beckmann@amd.com# this software without specific prior written permission. 157635SBrad.Beckmann@amd.com# 167635SBrad.Beckmann@amd.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 177635SBrad.Beckmann@amd.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 187635SBrad.Beckmann@amd.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 197635SBrad.Beckmann@amd.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 207635SBrad.Beckmann@amd.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 217635SBrad.Beckmann@amd.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 227635SBrad.Beckmann@amd.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 237635SBrad.Beckmann@amd.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247635SBrad.Beckmann@amd.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 257635SBrad.Beckmann@amd.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 267635SBrad.Beckmann@amd.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 277635SBrad.Beckmann@amd.com# 287635SBrad.Beckmann@amd.com# Authors: Ron Dreslinski 297635SBrad.Beckmann@amd.com# Brad Beckmann 307635SBrad.Beckmann@amd.com 3112564Sgabeblack@google.comfrom __future__ import print_function 3212564Sgabeblack@google.com 337635SBrad.Beckmann@amd.comimport m5 347635SBrad.Beckmann@amd.comfrom m5.objects import * 357635SBrad.Beckmann@amd.comfrom m5.defines import buildEnv 367635SBrad.Beckmann@amd.comfrom m5.util import addToPath 377635SBrad.Beckmann@amd.comimport os, optparse, sys 3811682Sandreas.hansson@arm.com 3911670Sandreas.hansson@arm.comaddToPath('../') 407635SBrad.Beckmann@amd.com 4111682Sandreas.hansson@arm.comfrom common import Options 4211670Sandreas.hansson@arm.comfrom ruby import Ruby 437635SBrad.Beckmann@amd.com 447635SBrad.Beckmann@amd.com# Get paths we might need. It's expected this file is in m5/configs/example. 457635SBrad.Beckmann@amd.comconfig_path = os.path.dirname(os.path.abspath(__file__)) 467635SBrad.Beckmann@amd.comconfig_root = os.path.dirname(config_path) 477635SBrad.Beckmann@amd.comm5_root = os.path.dirname(config_root) 487635SBrad.Beckmann@amd.com 497635SBrad.Beckmann@amd.comparser = optparse.OptionParser() 5011688Sandreas.hansson@arm.comOptions.addNoISAOptions(parser) 517635SBrad.Beckmann@amd.com 5210083Snilay@cs.wisc.eduparser.add_option("--maxloads", metavar="N", default=100, 5310083Snilay@cs.wisc.edu help="Stop after N loads") 547635SBrad.Beckmann@amd.comparser.add_option("-f", "--wakeup_freq", metavar="N", default=10, 557635SBrad.Beckmann@amd.com help="Wakeup every N cycles") 567635SBrad.Beckmann@amd.com 577635SBrad.Beckmann@amd.com# 587635SBrad.Beckmann@amd.com# Add the ruby specific and protocol specific options 597635SBrad.Beckmann@amd.com# 607635SBrad.Beckmann@amd.comRuby.define_options(parser) 617635SBrad.Beckmann@amd.com 627635SBrad.Beckmann@amd.comexecfile(os.path.join(config_root, "common", "Options.py")) 637635SBrad.Beckmann@amd.com 647635SBrad.Beckmann@amd.com(options, args) = parser.parse_args() 657635SBrad.Beckmann@amd.com 667635SBrad.Beckmann@amd.com# 677635SBrad.Beckmann@amd.com# Set the default cache size and associativity to be very small to encourage 687635SBrad.Beckmann@amd.com# races between requests and writebacks. 697635SBrad.Beckmann@amd.com# 707635SBrad.Beckmann@amd.comoptions.l1d_size="256B" 717635SBrad.Beckmann@amd.comoptions.l1i_size="256B" 727635SBrad.Beckmann@amd.comoptions.l2_size="512B" 737635SBrad.Beckmann@amd.comoptions.l3_size="1kB" 747635SBrad.Beckmann@amd.comoptions.l1d_assoc=2 757635SBrad.Beckmann@amd.comoptions.l1i_assoc=2 767635SBrad.Beckmann@amd.comoptions.l2_assoc=2 777635SBrad.Beckmann@amd.comoptions.l3_assoc=2 787635SBrad.Beckmann@amd.com 797635SBrad.Beckmann@amd.comif args: 8012564Sgabeblack@google.com print("Error: script doesn't take any positional arguments") 817635SBrad.Beckmann@amd.com sys.exit(1) 827635SBrad.Beckmann@amd.com 837635SBrad.Beckmann@amd.com# 847635SBrad.Beckmann@amd.com# Create the ruby random tester 857635SBrad.Beckmann@amd.com# 868184Ssomayeh@cs.wisc.edu 878184Ssomayeh@cs.wisc.edu# Check the protocol 888184Ssomayeh@cs.wisc.educheck_flush = False 898184Ssomayeh@cs.wisc.eduif buildEnv['PROTOCOL'] == 'MOESI_hammer': 908184Ssomayeh@cs.wisc.edu check_flush = True 918184Ssomayeh@cs.wisc.edu 928184Ssomayeh@cs.wisc.edutester = RubyTester(check_flush = check_flush, 9310083Snilay@cs.wisc.edu checks_to_complete = options.maxloads, 949108SBrad.Beckmann@amd.com wakeup_frequency = options.wakeup_freq) 957635SBrad.Beckmann@amd.com 967635SBrad.Beckmann@amd.com# 978931Sandreas.hansson@arm.com# Create the M5 system. Note that the Memory Object isn't 987635SBrad.Beckmann@amd.com# actually used by the rubytester, but is included to support the 997635SBrad.Beckmann@amd.com# M5 memory size == Ruby memory size checks 1007635SBrad.Beckmann@amd.com# 10110524Snilay@cs.wisc.edusystem = System(cpu = tester, mem_ranges = [AddrRange(options.mem_size)]) 1029870Sandreas.hansson@arm.com 1039870Sandreas.hansson@arm.com# Create a top-level voltage domain and clock domain 1049870Sandreas.hansson@arm.comsystem.voltage_domain = VoltageDomain(voltage = options.sys_voltage) 1059870Sandreas.hansson@arm.com 1069870Sandreas.hansson@arm.comsystem.clk_domain = SrcClockDomain(clock = options.sys_clock, 1079870Sandreas.hansson@arm.com voltage_domain = system.voltage_domain) 1087635SBrad.Beckmann@amd.com 10910519Snilay@cs.wisc.eduRuby.create_system(options, False, system) 1107635SBrad.Beckmann@amd.com 1119793Sakash.bagdia@arm.com# Create a seperate clock domain for Ruby 1129870Sandreas.hansson@arm.comsystem.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, 1139870Sandreas.hansson@arm.com voltage_domain = system.voltage_domain) 1149793Sakash.bagdia@arm.com 11510120Snilay@cs.wisc.eduassert(options.num_cpus == len(system.ruby._cpu_ports)) 1167635SBrad.Beckmann@amd.com 11710120Snilay@cs.wisc.edutester.num_cpus = len(system.ruby._cpu_ports) 1189108SBrad.Beckmann@amd.com 1197635SBrad.Beckmann@amd.com# 1207635SBrad.Beckmann@amd.com# The tester is most effective when randomization is turned on and 1217635SBrad.Beckmann@amd.com# artifical delay is randomly inserted on messages 1227635SBrad.Beckmann@amd.com# 1237635SBrad.Beckmann@amd.comsystem.ruby.randomization = True 1247635SBrad.Beckmann@amd.com 12510120Snilay@cs.wisc.edufor ruby_port in system.ruby._cpu_ports: 1267635SBrad.Beckmann@amd.com # 1278932SBrad.Beckmann@amd.com # Tie the ruby tester ports to the ruby cpu read and write ports 1287635SBrad.Beckmann@amd.com # 12911266SBrad.Beckmann@amd.com if ruby_port.support_data_reqs and ruby_port.support_inst_reqs: 13011266SBrad.Beckmann@amd.com tester.cpuInstDataPort = ruby_port.slave 13111266SBrad.Beckmann@amd.com elif ruby_port.support_data_reqs: 13211266SBrad.Beckmann@amd.com tester.cpuDataPort = ruby_port.slave 13311266SBrad.Beckmann@amd.com elif ruby_port.support_inst_reqs: 13411266SBrad.Beckmann@amd.com tester.cpuInstPort = ruby_port.slave 13511266SBrad.Beckmann@amd.com 13611266SBrad.Beckmann@amd.com # Do not automatically retry stalled Ruby requests 13711266SBrad.Beckmann@amd.com ruby_port.no_retry_on_stall = True 1387635SBrad.Beckmann@amd.com 1397635SBrad.Beckmann@amd.com # 1407635SBrad.Beckmann@amd.com # Tell each sequencer this is the ruby tester so that it 1417635SBrad.Beckmann@amd.com # copies the subblock back to the checker 1427635SBrad.Beckmann@amd.com # 1437635SBrad.Beckmann@amd.com ruby_port.using_ruby_tester = True 1447635SBrad.Beckmann@amd.com 1457635SBrad.Beckmann@amd.com# ----------------------- 1467635SBrad.Beckmann@amd.com# run simulation 1477635SBrad.Beckmann@amd.com# ----------------------- 1487635SBrad.Beckmann@amd.com 1498801Sgblack@eecs.umich.eduroot = Root( full_system = False, system = system ) 1507635SBrad.Beckmann@amd.comroot.system.mem_mode = 'timing' 1517635SBrad.Beckmann@amd.com 1527635SBrad.Beckmann@amd.com# Not much point in this being higher than the L1 latency 1537635SBrad.Beckmann@amd.comm5.ticks.setGlobalFrequency('1ns') 1547635SBrad.Beckmann@amd.com 1557635SBrad.Beckmann@amd.com# instantiate configuration 1567635SBrad.Beckmann@amd.comm5.instantiate() 1577635SBrad.Beckmann@amd.com 1587635SBrad.Beckmann@amd.com# simulate until program terminates 1599909Snilay@cs.wisc.eduexit_event = m5.simulate(options.abs_max_tick) 1607635SBrad.Beckmann@amd.com 16112564Sgabeblack@google.comprint('Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()) 162