dev: Add m5 op to toggle synchronization for dist-gem5.
[gem5.git] / configs / common / Options.py
1 # Copyright (c) 2013 ARM Limited
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38 #
39 # Authors: Lisa Hsu
40
41 import m5
42 from m5.defines import buildEnv
43 from m5.objects import *
44 from common.Benchmarks import *
45
46 from common import CpuConfig
47 from common import MemConfig
48 from common import PlatformConfig
49
50 def _listCpuTypes(option, opt, value, parser):
51 CpuConfig.print_cpu_list()
52 sys.exit(0)
53
54 def _listMemTypes(option, opt, value, parser):
55 MemConfig.print_mem_list()
56 sys.exit(0)
57
58 def _listPlatformTypes(option, opt, value, parser):
59 PlatformConfig.print_platform_list()
60 sys.exit(0)
61
62 # Add the very basic options that work also in the case of the no ISA
63 # being used, and consequently no CPUs, but rather various types of
64 # testers and traffic generators.
65 def addNoISAOptions(parser):
66 parser.add_option("-n", "--num-cpus", type="int", default=1)
67 parser.add_option("--sys-voltage", action="store", type="string",
68 default='1.0V',
69 help = """Top-level voltage for blocks running at system
70 power supply""")
71 parser.add_option("--sys-clock", action="store", type="string",
72 default='1GHz',
73 help = """Top-level clock for blocks running at system
74 speed""")
75
76 # Memory Options
77 parser.add_option("--list-mem-types",
78 action="callback", callback=_listMemTypes,
79 help="List available memory types")
80 parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64",
81 choices=MemConfig.mem_names(),
82 help = "type of memory to use")
83 parser.add_option("--mem-channels", type="int", default=1,
84 help = "number of memory channels")
85 parser.add_option("--mem-ranks", type="int", default=None,
86 help = "number of memory ranks per channel")
87 parser.add_option("--mem-size", action="store", type="string",
88 default="512MB",
89 help="Specify the physical memory size (single memory)")
90
91
92 parser.add_option("--memchecker", action="store_true")
93
94 # Cache Options
95 parser.add_option("--external-memory-system", type="string",
96 help="use external ports of this port_type for caches")
97 parser.add_option("--tlm-memory", type="string",
98 help="use external port for SystemC TLM cosimulation")
99 parser.add_option("--caches", action="store_true")
100 parser.add_option("--l2cache", action="store_true")
101 parser.add_option("--num-dirs", type="int", default=1)
102 parser.add_option("--num-l2caches", type="int", default=1)
103 parser.add_option("--num-l3caches", type="int", default=1)
104 parser.add_option("--l1d_size", type="string", default="64kB")
105 parser.add_option("--l1i_size", type="string", default="32kB")
106 parser.add_option("--l2_size", type="string", default="2MB")
107 parser.add_option("--l3_size", type="string", default="16MB")
108 parser.add_option("--l1d_assoc", type="int", default=2)
109 parser.add_option("--l1i_assoc", type="int", default=2)
110 parser.add_option("--l2_assoc", type="int", default=8)
111 parser.add_option("--l3_assoc", type="int", default=16)
112 parser.add_option("--cacheline_size", type="int", default=64)
113
114 # Enable Ruby
115 parser.add_option("--ruby", action="store_true")
116
117 # Run duration options
118 parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
119 metavar="TICKS", help="Run to absolute simulated tick "
120 "specified including ticks from a restored checkpoint")
121 parser.add_option("--rel-max-tick", type="int", default=None,
122 metavar="TICKS", help="Simulate for specified number of"
123 " ticks relative to the simulation start tick (e.g. if "
124 "restoring a checkpoint)")
125 parser.add_option("--maxtime", type="float", default=None,
126 help="Run to the specified absolute simulated time in "
127 "seconds")
128
129 # Add common options that assume a non-NULL ISA.
130 def addCommonOptions(parser):
131 # start by adding the base options that do not assume an ISA
132 addNoISAOptions(parser)
133
134 # system options
135 parser.add_option("--list-cpu-types",
136 action="callback", callback=_listCpuTypes,
137 help="List available CPU types")
138 parser.add_option("--cpu-type", type="choice", default="atomic",
139 choices=CpuConfig.cpu_names(),
140 help = "type of cpu to run with")
141 parser.add_option("--checker", action="store_true");
142 parser.add_option("--cpu-clock", action="store", type="string",
143 default='2GHz',
144 help="Clock for blocks running at CPU speed")
145 parser.add_option("--smt", action="store_true", default=False,
146 help = """
147 Only used if multiple programs are specified. If true,
148 then the number of threads per cpu is same as the
149 number of programs.""")
150 parser.add_option("--elastic-trace-en", action="store_true",
151 help="""Enable capture of data dependency and instruction
152 fetch traces using elastic trace probe.""")
153 # Trace file paths input to trace probe in a capture simulation and input
154 # to Trace CPU in a replay simulation
155 parser.add_option("--inst-trace-file", action="store", type="string",
156 help="""Instruction fetch trace file input to
157 Elastic Trace probe in a capture simulation and
158 Trace CPU in a replay simulation""", default="")
159 parser.add_option("--data-trace-file", action="store", type="string",
160 help="""Data dependency trace file input to
161 Elastic Trace probe in a capture simulation and
162 Trace CPU in a replay simulation""", default="")
163
164 parser.add_option("-l", "--lpae", action="store_true")
165 parser.add_option("-V", "--virtualisation", action="store_true")
166
167 parser.add_option("--fastmem", action="store_true")
168
169 # dist-gem5 options
170 parser.add_option("--dist", action="store_true",
171 help="Parallel distributed gem5 simulation.")
172 parser.add_option("--dist-sync-on-pseudo-op", action="store_true",
173 help="Use a pseudo-op to start dist-gem5 synchronization.")
174 parser.add_option("--is-switch", action="store_true",
175 help="Select the network switch simulator process for a"\
176 "distributed gem5 run")
177 parser.add_option("--dist-rank", default=0, action="store", type="int",
178 help="Rank of this system within the dist gem5 run.")
179 parser.add_option("--dist-size", default=0, action="store", type="int",
180 help="Number of gem5 processes within the dist gem5 run.")
181 parser.add_option("--dist-server-name",
182 default="127.0.0.1",
183 action="store", type="string",
184 help="Name of the message server host\nDEFAULT: localhost")
185 parser.add_option("--dist-server-port",
186 default=2200,
187 action="store", type="int",
188 help="Message server listen port\nDEFAULT: 2200")
189 parser.add_option("--dist-sync-repeat",
190 default="0us",
191 action="store", type="string",
192 help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay")
193 parser.add_option("--dist-sync-start",
194 default="5200000000000t",
195 action="store", type="string",
196 help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t")
197 parser.add_option("--ethernet-linkspeed", default="10Gbps",
198 action="store", type="string",
199 help="Link speed in bps\nDEFAULT: 10Gbps")
200 parser.add_option("--ethernet-linkdelay", default="10us",
201 action="store", type="string",
202 help="Link delay in seconds\nDEFAULT: 10us")
203
204 # Run duration options
205 parser.add_option("-I", "--maxinsts", action="store", type="int",
206 default=None, help="""Total number of instructions to
207 simulate (default: run forever)""")
208 parser.add_option("--work-item-id", action="store", type="int",
209 help="the specific work id for exit & checkpointing")
210 parser.add_option("--num-work-ids", action="store", type="int",
211 help="Number of distinct work item types")
212 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
213 help="exit when work starts on the specified cpu")
214 parser.add_option("--work-end-exit-count", action="store", type="int",
215 help="exit at specified work end count")
216 parser.add_option("--work-begin-exit-count", action="store", type="int",
217 help="exit at specified work begin count")
218 parser.add_option("--init-param", action="store", type="int", default=0,
219 help="""Parameter available in simulation with m5
220 initparam""")
221 parser.add_option("--initialize-only", action="store_true", default=False,
222 help="""Exit after initialization. Do not simulate time.
223 Useful when gem5 is run as a library.""")
224
225 # Simpoint options
226 parser.add_option("--simpoint-profile", action="store_true",
227 help="Enable basic block profiling for SimPoints")
228 parser.add_option("--simpoint-interval", type="int", default=10000000,
229 help="SimPoint interval in num of instructions")
230 parser.add_option("--take-simpoint-checkpoints", action="store", type="string",
231 help="<simpoint file,weight file,interval-length,warmup-length>")
232 parser.add_option("--restore-simpoint-checkpoint", action="store_true",
233 help="restore from a simpoint checkpoint taken with " +
234 "--take-simpoint-checkpoints")
235
236 # Checkpointing options
237 ###Note that performing checkpointing via python script files will override
238 ###checkpoint instructions built into binaries.
239 parser.add_option("--take-checkpoints", action="store", type="string",
240 help="<M,N> take checkpoints at tick M and every N ticks thereafter")
241 parser.add_option("--max-checkpoints", action="store", type="int",
242 help="the maximum number of checkpoints to drop", default=5)
243 parser.add_option("--checkpoint-dir", action="store", type="string",
244 help="Place all checkpoints in this absolute directory")
245 parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
246 help="restore from checkpoint <N>")
247 parser.add_option("--checkpoint-at-end", action="store_true",
248 help="take a checkpoint at end of run")
249 parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
250 help="checkpoint at specified work begin count")
251 parser.add_option("--work-end-checkpoint-count", action="store", type="int",
252 help="checkpoint at specified work end count")
253 parser.add_option("--work-cpus-checkpoint-count", action="store", type="int",
254 help="checkpoint and exit when active cpu count is reached")
255 parser.add_option("--restore-with-cpu", action="store", type="choice",
256 default="atomic", choices=CpuConfig.cpu_names(),
257 help = "cpu type for restoring from a checkpoint")
258
259
260 # CPU Switching - default switch model goes from a checkpoint
261 # to a timing simple CPU with caches to warm up, then to detailed CPU for
262 # data measurement
263 parser.add_option("--repeat-switch", action="store", type="int",
264 default=None,
265 help="switch back and forth between CPUs with period <N>")
266 parser.add_option("-s", "--standard-switch", action="store", type="int",
267 default=None,
268 help="switch from timing to Detailed CPU after warmup period of <N>")
269 parser.add_option("-p", "--prog-interval", type="str",
270 help="CPU Progress Interval")
271
272 # Fastforwarding and simpoint related materials
273 parser.add_option("-W", "--warmup-insts", action="store", type="int",
274 default=None,
275 help="Warmup period in total instructions (requires --standard-switch)")
276 parser.add_option("--bench", action="store", type="string", default=None,
277 help="base names for --take-checkpoint and --checkpoint-restore")
278 parser.add_option("-F", "--fast-forward", action="store", type="string",
279 default=None,
280 help="Number of instructions to fast forward before switching")
281 parser.add_option("-S", "--simpoint", action="store_true", default=False,
282 help="""Use workload simpoints as an instruction offset for
283 --checkpoint-restore or --take-checkpoint.""")
284 parser.add_option("--at-instruction", action="store_true", default=False,
285 help="""Treat value of --checkpoint-restore or --take-checkpoint as a
286 number of instructions.""")
287 parser.add_option("--spec-input", default="ref", type="choice",
288 choices=["ref", "test", "train", "smred", "mdred",
289 "lgred"],
290 help="Input set size for SPEC CPU2000 benchmarks.")
291 parser.add_option("--arm-iset", default="arm", type="choice",
292 choices=["arm", "thumb", "aarch64"],
293 help="ARM instruction set.")
294
295
296 def addSEOptions(parser):
297 # Benchmark options
298 parser.add_option("-c", "--cmd", default="",
299 help="The binary to run in syscall emulation mode.")
300 parser.add_option("-o", "--options", default="",
301 help="""The options to pass to the binary, use " "
302 around the entire string""")
303 parser.add_option("-e", "--env", default="",
304 help="Initialize workload environment from text file.")
305 parser.add_option("-i", "--input", default="",
306 help="Read stdin from a file.")
307 parser.add_option("--output", default="",
308 help="Redirect stdout to a file.")
309 parser.add_option("--errout", default="",
310 help="Redirect stderr to a file.")
311
312 def addFSOptions(parser):
313 from FSConfig import os_types
314
315 # Simulation options
316 parser.add_option("--timesync", action="store_true",
317 help="Prevent simulated time from getting ahead of real time")
318
319 # System options
320 parser.add_option("--kernel", action="store", type="string")
321 parser.add_option("--os-type", action="store", type="choice",
322 choices=os_types[buildEnv['TARGET_ISA']], default="linux",
323 help="Specifies type of OS to boot")
324 parser.add_option("--script", action="store", type="string")
325 parser.add_option("--frame-capture", action="store_true",
326 help="Stores changed frame buffers from the VNC server to compressed "\
327 "files in the gem5 output directory")
328
329 if buildEnv['TARGET_ISA'] == "arm":
330 parser.add_option("--bare-metal", action="store_true",
331 help="Provide the raw system without the linux specific bits")
332 parser.add_option("--list-machine-types",
333 action="callback", callback=_listPlatformTypes,
334 help="List available platform types")
335 parser.add_option("--machine-type", action="store", type="choice",
336 choices=PlatformConfig.platform_names(),
337 default="VExpress_EMM")
338 parser.add_option("--dtb-filename", action="store", type="string",
339 help="Specifies device tree blob file to use with device-tree-"\
340 "enabled kernels")
341 parser.add_option("--enable-context-switch-stats-dump", \
342 action="store_true", help="Enable stats dump at context "\
343 "switches and dump tasks file (required for Streamline)")
344
345 # Benchmark options
346 parser.add_option("--dual", action="store_true",
347 help="Simulate two systems attached with an ethernet link")
348 parser.add_option("-b", "--benchmark", action="store", type="string",
349 dest="benchmark",
350 help="Specify the benchmark to run. Available benchmarks: %s"\
351 % DefinedBenchmarks)
352
353 # Metafile options
354 parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
355 help="Specify the filename to dump a pcap capture of the" \
356 "ethernet traffic")
357
358 # Disk Image Options
359 parser.add_option("--disk-image", action="store", type="string", default=None,
360 help="Path to the disk image to use.")
361 parser.add_option("--root-device", action="store", type="string", default=None,
362 help="OS device name for root partition")
363
364 # Command line options
365 parser.add_option("--command-line", action="store", type="string",
366 default=None,
367 help="Template for the kernel command line.")
368 parser.add_option("--command-line-file", action="store",
369 default=None, type="string",
370 help="File with a template for the kernel command line")