Options.py revision 9357:94383c5124d2
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: Lisa Hsu 28 29import m5 30from m5.defines import buildEnv 31from m5.objects import * 32from Benchmarks import * 33 34def addCommonOptions(parser): 35 # system options 36 parser.add_option("--cpu-type", type="choice", default="atomic", 37 choices = ["atomic", "timing", "detailed", "inorder", 38 "arm_detailed"], 39 help = "type of cpu to run with") 40 parser.add_option("--checker", action="store_true"); 41 parser.add_option("-n", "--num-cpus", type="int", default=1) 42 parser.add_option("--caches", action="store_true") 43 parser.add_option("--l2cache", action="store_true") 44 parser.add_option("--fastmem", action="store_true") 45 parser.add_option("--clock", action="store", type="string", default='2GHz') 46 parser.add_option("--num-dirs", type="int", default=1) 47 parser.add_option("--num-l2caches", type="int", default=1) 48 parser.add_option("--num-l3caches", type="int", default=1) 49 parser.add_option("--l1d_size", type="string", default="64kB") 50 parser.add_option("--l1i_size", type="string", default="32kB") 51 parser.add_option("--l2_size", type="string", default="2MB") 52 parser.add_option("--l3_size", type="string", default="16MB") 53 parser.add_option("--l1d_assoc", type="int", default=2) 54 parser.add_option("--l1i_assoc", type="int", default=2) 55 parser.add_option("--l2_assoc", type="int", default=8) 56 parser.add_option("--l3_assoc", type="int", default=16) 57 parser.add_option("--cacheline_size", type="int", default=64) 58 parser.add_option("--ruby", action="store_true") 59 parser.add_option("--smt", action="store_true", default=False, 60 help = """ 61 Only used if multiple programs are specified. If true, 62 then the number of threads per cpu is same as the 63 number of programs.""") 64 65 # Run duration options 66 parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick, 67 metavar="T", help="Stop after T ticks") 68 parser.add_option("--maxtime", type="float") 69 parser.add_option("-I", "--maxinsts", action="store", type="int", 70 default=None, help="""Total number of instructions to 71 simulate (default: run forever)""") 72 parser.add_option("--work-item-id", action="store", type="int", 73 help="the specific work id for exit & checkpointing") 74 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 75 help="exit when work starts on the specified cpu") 76 parser.add_option("--work-end-exit-count", action="store", type="int", 77 help="exit at specified work end count") 78 parser.add_option("--work-begin-exit-count", action="store", type="int", 79 help="exit at specified work begin count") 80 parser.add_option("--init-param", action="store", type="int", default=0, 81 help="""Parameter available in simulation with m5 82 initparam""") 83 84 # Checkpointing options 85 ###Note that performing checkpointing via python script files will override 86 ###checkpoint instructions built into binaries. 87 parser.add_option("--take-checkpoints", action="store", type="string", 88 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 89 parser.add_option("--max-checkpoints", action="store", type="int", 90 help="the maximum number of checkpoints to drop", default=5) 91 parser.add_option("--checkpoint-dir", action="store", type="string", 92 help="Place all checkpoints in this absolute directory") 93 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 94 help="restore from checkpoint <N>") 95 parser.add_option("--checkpoint-at-end", action="store_true", 96 help="take a checkpoint at end of run") 97 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 98 help="checkpoint at specified work begin count") 99 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 100 help="checkpoint at specified work end count") 101 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 102 help="checkpoint and exit when active cpu count is reached") 103 parser.add_option("--restore-with-cpu", action="store", type="choice", 104 default="atomic", choices = ["atomic", "timing", 105 "detailed", "inorder"], 106 help = "cpu type for restoring from a checkpoint") 107 108 109 # CPU Switching - default switch model goes from a checkpoint 110 # to a timing simple CPU with caches to warm up, then to detailed CPU for 111 # data measurement 112 parser.add_option("--repeat-switch", action="store", type="int", 113 default=None, 114 help="switch back and forth between CPUs with period <N>") 115 parser.add_option("-s", "--standard-switch", action="store", type="int", 116 default=None, 117 help="switch from timing to Detailed CPU after warmup period of <N>") 118 parser.add_option("-p", "--prog-interval", type="int", 119 help="CPU Progress Interval") 120 121 # Fastforwarding and simpoint related materials 122 parser.add_option("-W", "--warmup-insts", action="store", type="int", 123 default=None, 124 help="Warmup period in total instructions (requires --standard-switch)") 125 parser.add_option("--bench", action="store", type="string", default=None, 126 help="base names for --take-checkpoint and --checkpoint-restore") 127 parser.add_option("-F", "--fast-forward", action="store", type="string", 128 default=None, 129 help="Number of instructions to fast forward before switching") 130 parser.add_option("-S", "--simpoint", action="store_true", default=False, 131 help="""Use workload simpoints as an instruction offset for 132 --checkpoint-restore or --take-checkpoint.""") 133 parser.add_option("--at-instruction", action="store_true", default=False, 134 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 135 number of instructions.""") 136 137def addSEOptions(parser): 138 # Benchmark options 139 parser.add_option("-c", "--cmd", default="", 140 help="The binary to run in syscall emulation mode.") 141 parser.add_option("-o", "--options", default="", 142 help="""The options to pass to the binary, use " " 143 around the entire string""") 144 parser.add_option("-i", "--input", default="", 145 help="Read stdin from a file.") 146 parser.add_option("--output", default="", 147 help="Redirect stdout to a file.") 148 parser.add_option("--errout", default="", 149 help="Redirect stderr to a file.") 150 151def addFSOptions(parser): 152 # Simulation options 153 parser.add_option("--timesync", action="store_true", 154 help="Prevent simulated time from getting ahead of real time") 155 156 # System options 157 parser.add_option("--kernel", action="store", type="string") 158 parser.add_option("--script", action="store", type="string") 159 parser.add_option("--frame-capture", action="store_true", 160 help="Stores changed frame buffers from the VNC server to compressed "\ 161 "files in the gem5 output directory") 162 163 if buildEnv['TARGET_ISA'] == "arm": 164 parser.add_option("--bare-metal", action="store_true", 165 help="Provide the raw system without the linux specific bits") 166 parser.add_option("--machine-type", action="store", type="choice", 167 choices=ArmMachineType.map.keys(), default="RealView_PBX") 168 # Benchmark options 169 parser.add_option("--dual", action="store_true", 170 help="Simulate two systems attached with an ethernet link") 171 parser.add_option("-b", "--benchmark", action="store", type="string", 172 dest="benchmark", 173 help="Specify the benchmark to run. Available benchmarks: %s"\ 174 % DefinedBenchmarks) 175 176 # Metafile options 177 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 178 help="Specify the filename to dump a pcap capture of the" \ 179 "ethernet traffic") 180 181 # Disk Image Options 182 parser.add_option("--disk-image", action="store", type="string", default=None, 183 help="Path to the disk image to use.") 184 185 # Memory Size Options 186 parser.add_option("--mem-size", action="store", type="string", default=None, 187 help="Specify the physical memory size (single memory)") 188