se.py revision 8862:dedd8be81731 
1# Copyright (c) 2012 ARM Limited
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3#
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13# Copyright (c) 2006-2008 The Regents of The University of Michigan
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38#
39# Authors: Steve Reinhardt
40
41# Simple test script
42#
43# "m5 test.py"
44
45import os
46import optparse
47import sys
48from os.path import join as joinpath
49
50import m5
51from m5.defines import buildEnv
52from m5.objects import *
53from m5.util import addToPath, fatal
54
55addToPath('../common')
56addToPath('../ruby')
57
58import Ruby
59
60import Simulation
61import CacheConfig
62from Caches import *
63from cpu2000 import *
64
65# Get paths we might need.  It's expected this file is in m5/configs/example.
66config_path = os.path.dirname(os.path.abspath(__file__))
67config_root = os.path.dirname(config_path)
68m5_root = os.path.dirname(config_root)
69
70parser = optparse.OptionParser()
71
72# Benchmark options
73parser.add_option("-c", "--cmd",
74    default=joinpath(m5_root, "tests/test-progs/hello/bin/%s/linux/hello" % \
75            buildEnv['TARGET_ISA']),
76    help="The binary to run in syscall emulation mode.")
77parser.add_option("-o", "--options", default="",
78    help='The options to pass to the binary, use " " around the entire string')
79parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
80parser.add_option("--output", default="", help="Redirect stdout to a file.")
81parser.add_option("--errout", default="", help="Redirect stderr to a file.")
82
83execfile(os.path.join(config_root, "common", "Options.py"))
84
85if '--ruby' in sys.argv:
86    Ruby.define_options(parser)
87
88(options, args) = parser.parse_args()
89
90if args:
91    print "Error: script doesn't take any positional arguments"
92    sys.exit(1)
93
94multiprocesses = []
95apps = []
96
97if options.bench:
98    apps = options.bench.split("-")
99    if len(apps) != options.num_cpus:
100        print "number of benchmarks not equal to set num_cpus!"
101        sys.exit(1)
102
103    for app in apps:
104        try:
105            if buildEnv['TARGET_ISA'] == 'alpha':
106                exec("workload = %s('alpha', 'tru64', 'ref')" % app)
107            else:
108                exec("workload = %s(buildEnv['TARGET_ISA'], 'linux', 'ref')" % app)
109            multiprocesses.append(workload.makeLiveProcess())
110        except:
111            print >>sys.stderr, "Unable to find workload for %s: %s" % (buildEnv['TARGET_ISA'], app)
112            sys.exit(1)
113else:
114    process = LiveProcess()
115    process.executable = options.cmd
116    process.cmd = [options.cmd] + options.options.split()
117    multiprocesses.append(process)
118
119
120if options.input != "":
121    process.input = options.input
122if options.output != "":
123    process.output = options.output
124if options.errout != "":
125    process.errout = options.errout
126
127
128# By default, set workload to path of user-specified binary
129workloads = options.cmd
130numThreads = 1
131
132if options.cpu_type == "detailed" or options.cpu_type == "inorder":
133    #check for SMT workload
134    workloads = options.cmd.split(';')
135    if len(workloads) > 1:
136        process = []
137        smt_idx = 0
138        inputs = []
139        outputs = []
140        errouts = []
141
142        if options.input != "":
143            inputs = options.input.split(';')
144        if options.output != "":
145            outputs = options.output.split(';')
146        if options.errout != "":
147            errouts = options.errout.split(';')
148
149        for wrkld in workloads:
150            smt_process = LiveProcess()
151            smt_process.executable = wrkld
152            smt_process.cmd = wrkld + " " + options.options
153            if inputs and inputs[smt_idx]:
154                smt_process.input = inputs[smt_idx]
155            if outputs and outputs[smt_idx]:
156                smt_process.output = outputs[smt_idx]
157            if errouts and errouts[smt_idx]:
158                smt_process.errout = errouts[smt_idx]
159            process += [smt_process, ]
160            smt_idx += 1
161    numThreads = len(workloads)
162
163if options.ruby:
164    if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
165        print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!"
166        sys.exit(1)
167
168(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
169CPUClass.clock = '2GHz'
170CPUClass.numThreads = numThreads;
171
172np = options.num_cpus
173
174system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
175                physmem = PhysicalMemory(range=AddrRange("512MB")),
176                membus = Bus(), mem_mode = test_mem_mode)
177
178if options.ruby:
179    options.use_map = True
180    Ruby.create_system(options, system)
181    assert(options.num_cpus == len(system.ruby._cpu_ruby_ports))
182else:
183    system.system_port = system.membus.slave
184    system.physmem.port = system.membus.master
185    CacheConfig.config_cache(options, system)
186
187for i in xrange(np):
188    system.cpu[i].workload = multiprocesses[i]
189
190    if options.ruby:
191        system.cpu[i].icache_port = system.ruby._cpu_ruby_ports[i].slave
192        system.cpu[i].dcache_port = system.ruby._cpu_ruby_ports[i].slave
193
194    if options.fastmem:
195        system.cpu[0].physmem_port = system.physmem.port
196
197root = Root(full_system = False, system = system)
198
199Simulation.run(options, root, system, FutureClass)
200