Options.py revision 11703:08b78e0a3717
1# Copyright (c) 2013 ARM Limited
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39# Authors: Lisa Hsu
40
41import m5
42from m5.defines import buildEnv
43from m5.objects import *
44from common.Benchmarks import *
45
46from common import CpuConfig
47from common import MemConfig
48from common import PlatformConfig
49
50def _listCpuTypes(option, opt, value, parser):
51    CpuConfig.print_cpu_list()
52    sys.exit(0)
53
54def _listMemTypes(option, opt, value, parser):
55    MemConfig.print_mem_list()
56    sys.exit(0)
57
58def _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.
65def 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.
130def 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
296def 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
312def 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")
371