Options.py revision 11251
1# Copyright (c) 2013 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Copyright (c) 2006-2008 The Regents of The University of Michigan 14# All rights reserved. 15# 16# Redistribution and use in source and binary forms, with or without 17# modification, are permitted provided that the following conditions are 18# met: redistributions of source code must retain the above copyright 19# notice, this list of conditions and the following disclaimer; 20# redistributions in binary form must reproduce the above copyright 21# notice, this list of conditions and the following disclaimer in the 22# documentation and/or other materials provided with the distribution; 23# neither the name of the copyright holders nor the names of its 24# contributors may be used to endorse or promote products derived from 25# this software without specific prior written permission. 26# 27# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38# 39# Authors: Lisa Hsu 40 41import m5 42from m5.defines import buildEnv 43from m5.objects import * 44from Benchmarks import * 45 46import CpuConfig 47import MemConfig 48import PlatformConfig 49 50from FSConfig import os_types 51 52def _listCpuTypes(option, opt, value, parser): 53 CpuConfig.print_cpu_list() 54 sys.exit(0) 55 56def _listMemTypes(option, opt, value, parser): 57 MemConfig.print_mem_list() 58 sys.exit(0) 59 60def _listPlatformTypes(option, opt, value, parser): 61 PlatformConfig.print_platform_list() 62 sys.exit(0) 63 64def addCommonOptions(parser): 65 # system options 66 parser.add_option("--list-cpu-types", 67 action="callback", callback=_listCpuTypes, 68 help="List available CPU types") 69 parser.add_option("--cpu-type", type="choice", default="atomic", 70 choices=CpuConfig.cpu_names(), 71 help = "type of cpu to run with") 72 parser.add_option("--checker", action="store_true"); 73 parser.add_option("-n", "--num-cpus", type="int", default=1) 74 parser.add_option("--sys-voltage", action="store", type="string", 75 default='1.0V', 76 help = """Top-level voltage for blocks running at system 77 power supply""") 78 parser.add_option("--sys-clock", action="store", type="string", 79 default='1GHz', 80 help = """Top-level clock for blocks running at system 81 speed""") 82 parser.add_option("--cpu-clock", action="store", type="string", 83 default='2GHz', 84 help="Clock for blocks running at CPU speed") 85 parser.add_option("--smt", action="store_true", default=False, 86 help = """ 87 Only used if multiple programs are specified. If true, 88 then the number of threads per cpu is same as the 89 number of programs.""") 90 parser.add_option("--elastic-trace-en", action="store_true", 91 help="""Enable capture of data dependency and instruction 92 fetch traces using elastic trace probe.""") 93 # Trace file paths input to trace probe in a capture simulation and input 94 # to Trace CPU in a replay simulation 95 parser.add_option("--inst-trace-file", action="store", type="string", 96 help="""Instruction fetch trace file input to 97 Elastic Trace probe in a capture simulation and 98 Trace CPU in a replay simulation""", default="") 99 parser.add_option("--data-trace-file", action="store", type="string", 100 help="""Data dependency trace file input to 101 Elastic Trace probe in a capture simulation and 102 Trace CPU in a replay simulation""", default="") 103 104 # Memory Options 105 parser.add_option("--list-mem-types", 106 action="callback", callback=_listMemTypes, 107 help="List available memory types") 108 parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64", 109 choices=MemConfig.mem_names(), 110 help = "type of memory to use") 111 parser.add_option("--mem-channels", type="int", default=1, 112 help = "number of memory channels") 113 parser.add_option("--mem-ranks", type="int", default=None, 114 help = "number of memory ranks per channel") 115 parser.add_option("--mem-size", action="store", type="string", 116 default="512MB", 117 help="Specify the physical memory size (single memory)") 118 119 parser.add_option("-l", "--lpae", action="store_true") 120 parser.add_option("-V", "--virtualisation", action="store_true") 121 122 parser.add_option("--memchecker", action="store_true") 123 124 # Cache Options 125 parser.add_option("--external-memory-system", type="string", 126 help="use external ports of this port_type for caches") 127 parser.add_option("--tlm-memory", type="string", 128 help="use external port for SystemC TLM cosimulation") 129 parser.add_option("--caches", action="store_true") 130 parser.add_option("--l2cache", action="store_true") 131 parser.add_option("--fastmem", action="store_true") 132 parser.add_option("--num-dirs", type="int", default=1) 133 parser.add_option("--num-l2caches", type="int", default=1) 134 parser.add_option("--num-l3caches", type="int", default=1) 135 parser.add_option("--l1d_size", type="string", default="64kB") 136 parser.add_option("--l1i_size", type="string", default="32kB") 137 parser.add_option("--l2_size", type="string", default="2MB") 138 parser.add_option("--l3_size", type="string", default="16MB") 139 parser.add_option("--l1d_assoc", type="int", default=2) 140 parser.add_option("--l1i_assoc", type="int", default=2) 141 parser.add_option("--l2_assoc", type="int", default=8) 142 parser.add_option("--l3_assoc", type="int", default=16) 143 parser.add_option("--cacheline_size", type="int", default=64) 144 145 # Enable Ruby 146 parser.add_option("--ruby", action="store_true") 147 148 # Run duration options 149 parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick, 150 metavar="TICKS", help="Run to absolute simulated tick " \ 151 "specified including ticks from a restored checkpoint") 152 parser.add_option("--rel-max-tick", type="int", default=None, 153 metavar="TICKS", help="Simulate for specified number of" \ 154 " ticks relative to the simulation start tick (e.g. if " \ 155 "restoring a checkpoint)") 156 parser.add_option("--maxtime", type="float", default=None, 157 help="Run to the specified absolute simulated time in " \ 158 "seconds") 159 parser.add_option("-I", "--maxinsts", action="store", type="int", 160 default=None, help="""Total number of instructions to 161 simulate (default: run forever)""") 162 parser.add_option("--work-item-id", action="store", type="int", 163 help="the specific work id for exit & checkpointing") 164 parser.add_option("--num-work-ids", action="store", type="int", 165 help="Number of distinct work item types") 166 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 167 help="exit when work starts on the specified cpu") 168 parser.add_option("--work-end-exit-count", action="store", type="int", 169 help="exit at specified work end count") 170 parser.add_option("--work-begin-exit-count", action="store", type="int", 171 help="exit at specified work begin count") 172 parser.add_option("--init-param", action="store", type="int", default=0, 173 help="""Parameter available in simulation with m5 174 initparam""") 175 parser.add_option("--initialize-only", action="store_true", default=False, 176 help="""Exit after initialization. Do not simulate time. 177 Useful when gem5 is run as a library.""") 178 179 # Simpoint options 180 parser.add_option("--simpoint-profile", action="store_true", 181 help="Enable basic block profiling for SimPoints") 182 parser.add_option("--simpoint-interval", type="int", default=10000000, 183 help="SimPoint interval in num of instructions") 184 parser.add_option("--take-simpoint-checkpoints", action="store", type="string", 185 help="<simpoint file,weight file,interval-length,warmup-length>") 186 parser.add_option("--restore-simpoint-checkpoint", action="store_true", 187 help="restore from a simpoint checkpoint taken with " + 188 "--take-simpoint-checkpoints") 189 190 # Checkpointing options 191 ###Note that performing checkpointing via python script files will override 192 ###checkpoint instructions built into binaries. 193 parser.add_option("--take-checkpoints", action="store", type="string", 194 help="<M,N> take checkpoints at tick M and every N ticks thereafter") 195 parser.add_option("--max-checkpoints", action="store", type="int", 196 help="the maximum number of checkpoints to drop", default=5) 197 parser.add_option("--checkpoint-dir", action="store", type="string", 198 help="Place all checkpoints in this absolute directory") 199 parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 200 help="restore from checkpoint <N>") 201 parser.add_option("--checkpoint-at-end", action="store_true", 202 help="take a checkpoint at end of run") 203 parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 204 help="checkpoint at specified work begin count") 205 parser.add_option("--work-end-checkpoint-count", action="store", type="int", 206 help="checkpoint at specified work end count") 207 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 208 help="checkpoint and exit when active cpu count is reached") 209 parser.add_option("--restore-with-cpu", action="store", type="choice", 210 default="atomic", choices=CpuConfig.cpu_names(), 211 help = "cpu type for restoring from a checkpoint") 212 213 214 # CPU Switching - default switch model goes from a checkpoint 215 # to a timing simple CPU with caches to warm up, then to detailed CPU for 216 # data measurement 217 parser.add_option("--repeat-switch", action="store", type="int", 218 default=None, 219 help="switch back and forth between CPUs with period <N>") 220 parser.add_option("-s", "--standard-switch", action="store", type="int", 221 default=None, 222 help="switch from timing to Detailed CPU after warmup period of <N>") 223 parser.add_option("-p", "--prog-interval", type="str", 224 help="CPU Progress Interval") 225 226 # Fastforwarding and simpoint related materials 227 parser.add_option("-W", "--warmup-insts", action="store", type="int", 228 default=None, 229 help="Warmup period in total instructions (requires --standard-switch)") 230 parser.add_option("--bench", action="store", type="string", default=None, 231 help="base names for --take-checkpoint and --checkpoint-restore") 232 parser.add_option("-F", "--fast-forward", action="store", type="string", 233 default=None, 234 help="Number of instructions to fast forward before switching") 235 parser.add_option("-S", "--simpoint", action="store_true", default=False, 236 help="""Use workload simpoints as an instruction offset for 237 --checkpoint-restore or --take-checkpoint.""") 238 parser.add_option("--at-instruction", action="store_true", default=False, 239 help="""Treat value of --checkpoint-restore or --take-checkpoint as a 240 number of instructions.""") 241 parser.add_option("--spec-input", default="ref", type="choice", 242 choices=["ref", "test", "train", "smred", "mdred", 243 "lgred"], 244 help="Input set size for SPEC CPU2000 benchmarks.") 245 parser.add_option("--arm-iset", default="arm", type="choice", 246 choices=["arm", "thumb", "aarch64"], 247 help="ARM instruction set.") 248 249 250def addSEOptions(parser): 251 # Benchmark options 252 parser.add_option("-c", "--cmd", default="", 253 help="The binary to run in syscall emulation mode.") 254 parser.add_option("-o", "--options", default="", 255 help="""The options to pass to the binary, use " " 256 around the entire string""") 257 parser.add_option("-e", "--env", default="", 258 help="Initialize workload environment from text file.") 259 parser.add_option("-i", "--input", default="", 260 help="Read stdin from a file.") 261 parser.add_option("--output", default="", 262 help="Redirect stdout to a file.") 263 parser.add_option("--errout", default="", 264 help="Redirect stderr to a file.") 265 266def addFSOptions(parser): 267 # Simulation options 268 parser.add_option("--timesync", action="store_true", 269 help="Prevent simulated time from getting ahead of real time") 270 271 # System options 272 parser.add_option("--kernel", action="store", type="string") 273 parser.add_option("--os-type", action="store", type="choice", 274 choices=os_types[buildEnv['TARGET_ISA']], default="linux", 275 help="Specifies type of OS to boot") 276 parser.add_option("--script", action="store", type="string") 277 parser.add_option("--frame-capture", action="store_true", 278 help="Stores changed frame buffers from the VNC server to compressed "\ 279 "files in the gem5 output directory") 280 281 if buildEnv['TARGET_ISA'] == "arm": 282 parser.add_option("--bare-metal", action="store_true", 283 help="Provide the raw system without the linux specific bits") 284 parser.add_option("--list-machine-types", 285 action="callback", callback=_listPlatformTypes, 286 help="List available platform types") 287 parser.add_option("--machine-type", action="store", type="choice", 288 choices=PlatformConfig.platform_names(), 289 default="VExpress_EMM") 290 parser.add_option("--dtb-filename", action="store", type="string", 291 help="Specifies device tree blob file to use with device-tree-"\ 292 "enabled kernels") 293 parser.add_option("--enable-context-switch-stats-dump", \ 294 action="store_true", help="Enable stats dump at context "\ 295 "switches and dump tasks file (required for Streamline)") 296 297 # Benchmark options 298 parser.add_option("--dual", action="store_true", 299 help="Simulate two systems attached with an ethernet link") 300 parser.add_option("-b", "--benchmark", action="store", type="string", 301 dest="benchmark", 302 help="Specify the benchmark to run. Available benchmarks: %s"\ 303 % DefinedBenchmarks) 304 305 # Metafile options 306 parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 307 help="Specify the filename to dump a pcap capture of the" \ 308 "ethernet traffic") 309 310 # Disk Image Options 311 parser.add_option("--disk-image", action="store", type="string", default=None, 312 help="Path to the disk image to use.") 313 parser.add_option("--root-device", action="store", type="string", default=None, 314 help="OS device name for root partition") 315 316 # Command line options 317 parser.add_option("--command-line", action="store", type="string", 318 default=None, 319 help="Template for the kernel command line.") 320 parser.add_option("--command-line-file", action="store", 321 default=None, type="string", 322 help="File with a template for the kernel command line") 323