configs/example/se.py

   1 # Copyright (c) 2006-2008 The Regents of The University of Michigan
   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 # Authors: Steve Reinhardt
  28
  29 # Simple test script
  30 #
  31 # "m5 test.py"
  32
  33 import m5
  34
  35 if m5.build_env['FULL_SYSTEM']:
  36     m5.fatal("This script requires syscall emulation mode (*_SE).")
  37
  38 from m5.objects import *
  39 import os, optparse, sys
  40 from os.path import join as joinpath
  41 m5.AddToPath('../common')
  42 import Simulation
  43 from Caches import *
  44 from cpu2000 import *
  45
  46 # Get paths we might need.  It's expected this file is in m5/configs/example.
  47 config_path = os.path.dirname(os.path.abspath(__file__))
  48 config_root = os.path.dirname(config_path)
  49 m5_root = os.path.dirname(config_root)
  50
  51 parser = optparse.OptionParser()
  52
  53 # Benchmark options
  54 parser.add_option("-c", "--cmd",
  55     default=joinpath(m5_root, "tests/test-progs/hello/bin/alpha/linux/hello"),
  56     help="The binary to run in syscall emulation mode.")
  57 parser.add_option("-o", "--options", default="",
  58     help='The options to pass to the binary, use " " around the entire string')
  59 parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
  60 parser.add_option("--output", default="", help="Redirect stdout to a file.")
  61 parser.add_option("--errout", default="", help="Redirect stderr to a file.")
  62
  63 execfile(os.path.join(config_root, "common", "Options.py"))
  64
  65 (options, args) = parser.parse_args()
  66
  67 if args:
  68     print "Error: script doesn't take any positional arguments"
  69     sys.exit(1)
  70
  71 if options.bench:
  72     try:
  73         if m5.build_env['TARGET_ISA'] != 'alpha':
  74             print >>sys.stderr, "Simpoints code only works for Alpha ISA at this time"
  75             sys.exit(1)
  76         exec("workload = %s('alpha', 'tru64', 'ref')" % options.bench)
  77         process = workload.makeLiveProcess()
  78     except:
  79         print >>sys.stderr, "Unable to find workload for %s" % options.bench
  80         sys.exit(1)
  81 else:
  82     process = LiveProcess()
  83     process.executable = options.cmd
  84     process.cmd = [options.cmd] + options.options.split()
  85
  86
  87 if options.input != "":
  88     process.input = options.input
  89 if options.output != "":
  90     process.output = options.output
  91 if options.errout != "":
  92     process.errout = options.errout
  93
  94
  95 # By default, set workload to path of user-specified binary
  96 workloads = options.cmd
  97
  98 if options.detailed:
  99     #check for SMT workload
 100     workloads = options.cmd.split(';')
 101     if len(workloads) > 1:
 102         process = []
 103         smt_idx = 0
 104         inputs = []
 105         outputs = []
 106         errouts = []
 107
 108         if options.input != "":
 109             inputs = options.input.split(';')
 110         if options.output != "":
 111             outputs = options.output.split(';')
 112         if options.errout != "":
 113             errouts = options.errout.split(';')
 114
 115         for wrkld in workloads:
 116             smt_process = LiveProcess()
 117             smt_process.executable = wrkld
 118             smt_process.cmd = wrkld + " " + options.options
 119             if inputs and inputs[smt_idx]:
 120                 smt_process.input = inputs[smt_idx]
 121             if outputs and outputs[smt_idx]:
 122                 smt_process.output = outputs[smt_idx]
 123             if errouts and errouts[smt_idx]:
 124                 smt_process.errout = errouts[smt_idx]
 125             process += [smt_process, ]
 126             smt_idx += 1
 127
 128 (CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
 129
 130 CPUClass.clock = '2GHz'
 131 CPUClass.numThreads = len(workloads)
 132
 133 np = options.num_cpus
 134
 135 system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
 136                 physmem = PhysicalMemory(range=AddrRange("512MB")),
 137                 membus = Bus(), mem_mode = test_mem_mode)
 138
 139 system.physmem.port = system.membus.port
 140
 141 if options.l2cache:
 142     system.l2 = L2Cache(size='2MB')
 143     system.tol2bus = Bus()
 144     system.l2.cpu_side = system.tol2bus.port
 145     system.l2.mem_side = system.membus.port
 146
 147 for i in xrange(np):
 148     if options.caches:
 149         system.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
 150                                               L1Cache(size = '64kB'))
 151     if options.l2cache:
 152         system.cpu[i].connectMemPorts(system.tol2bus)
 153     else:
 154         system.cpu[i].connectMemPorts(system.membus)
 155     system.cpu[i].workload = process
 156
 157     if options.fastmem:
 158         system.cpu[0].physmem_port = system.physmem.port
 159
 160 root = Root(system = system)
 161
 162 Simulation.run(options, root, system, FutureClass)