Options.py revision 13357:110926e15f1f
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_8x8",
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    parser.add_option("-P", "--param", action="append", default=[],
129        help="Set a SimObject parameter relative to the root node. "
130             "An extended Python multi range slicing syntax can be used "
131             "for arrays. For example: "
132             "'system.cpu[0,1,3:8:2].max_insts_all_threads = 42' "
133             "sets max_insts_all_threads for cpus 0, 1, 3, 5 and 7 "
134             "Direct parameters of the root object are not accessible, "
135             "only parameters of its children.")
136
137# Add common options that assume a non-NULL ISA.
138def addCommonOptions(parser):
139    # start by adding the base options that do not assume an ISA
140    addNoISAOptions(parser)
141
142    # system options
143    parser.add_option("--list-cpu-types",
144                      action="callback", callback=_listCpuTypes,
145                      help="List available CPU types")
146    parser.add_option("--cpu-type", type="choice", default="AtomicSimpleCPU",
147                      choices=CpuConfig.cpu_names(),
148                      help = "type of cpu to run with")
149    parser.add_option("--checker", action="store_true");
150    parser.add_option("--cpu-clock", action="store", type="string",
151                      default='2GHz',
152                      help="Clock for blocks running at CPU speed")
153    parser.add_option("--smt", action="store_true", default=False,
154                      help = """
155                      Only used if multiple programs are specified. If true,
156                      then the number of threads per cpu is same as the
157                      number of programs.""")
158    parser.add_option("--elastic-trace-en", action="store_true",
159                      help="""Enable capture of data dependency and instruction
160                      fetch traces using elastic trace probe.""")
161    # Trace file paths input to trace probe in a capture simulation and input
162    # to Trace CPU in a replay simulation
163    parser.add_option("--inst-trace-file", action="store", type="string",
164                      help="""Instruction fetch trace file input to
165                      Elastic Trace probe in a capture simulation and
166                      Trace CPU in a replay simulation""", default="")
167    parser.add_option("--data-trace-file", action="store", type="string",
168                      help="""Data dependency trace file input to
169                      Elastic Trace probe in a capture simulation and
170                      Trace CPU in a replay simulation""", default="")
171
172    parser.add_option("-l", "--lpae", action="store_true")
173    parser.add_option("-V", "--virtualisation", action="store_true")
174
175    # dist-gem5 options
176    parser.add_option("--dist", action="store_true",
177                      help="Parallel distributed gem5 simulation.")
178    parser.add_option("--dist-sync-on-pseudo-op", action="store_true",
179                      help="Use a pseudo-op to start dist-gem5 synchronization.")
180    parser.add_option("--is-switch", action="store_true",
181                      help="Select the network switch simulator process for a"\
182                      "distributed gem5 run")
183    parser.add_option("--dist-rank", default=0, action="store", type="int",
184                      help="Rank of this system within the dist gem5 run.")
185    parser.add_option("--dist-size", default=0, action="store", type="int",
186                      help="Number of gem5 processes within the dist gem5 run.")
187    parser.add_option("--dist-server-name",
188                      default="127.0.0.1",
189                      action="store", type="string",
190                      help="Name of the message server host\nDEFAULT: localhost")
191    parser.add_option("--dist-server-port",
192                      default=2200,
193                      action="store", type="int",
194                      help="Message server listen port\nDEFAULT: 2200")
195    parser.add_option("--dist-sync-repeat",
196                      default="0us",
197                      action="store", type="string",
198                      help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay")
199    parser.add_option("--dist-sync-start",
200                      default="5200000000000t",
201                      action="store", type="string",
202                      help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t")
203    parser.add_option("--ethernet-linkspeed", default="10Gbps",
204                        action="store", type="string",
205                        help="Link speed in bps\nDEFAULT: 10Gbps")
206    parser.add_option("--ethernet-linkdelay", default="10us",
207                      action="store", type="string",
208                      help="Link delay in seconds\nDEFAULT: 10us")
209
210    # Run duration options
211    parser.add_option("-I", "--maxinsts", action="store", type="int",
212                      default=None, help="""Total number of instructions to
213                                            simulate (default: run forever)""")
214    parser.add_option("--work-item-id", action="store", type="int",
215                      help="the specific work id for exit & checkpointing")
216    parser.add_option("--num-work-ids", action="store", type="int",
217                      help="Number of distinct work item types")
218    parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
219                      help="exit when work starts on the specified cpu")
220    parser.add_option("--work-end-exit-count", action="store", type="int",
221                      help="exit at specified work end count")
222    parser.add_option("--work-begin-exit-count", action="store", type="int",
223                      help="exit at specified work begin count")
224    parser.add_option("--init-param", action="store", type="int", default=0,
225                      help="""Parameter available in simulation with m5
226                              initparam""")
227    parser.add_option("--initialize-only", action="store_true", default=False,
228                      help="""Exit after initialization. Do not simulate time.
229                              Useful when gem5 is run as a library.""")
230
231    # Simpoint options
232    parser.add_option("--simpoint-profile", action="store_true",
233                      help="Enable basic block profiling for SimPoints")
234    parser.add_option("--simpoint-interval", type="int", default=10000000,
235                      help="SimPoint interval in num of instructions")
236    parser.add_option("--take-simpoint-checkpoints", action="store", type="string",
237        help="<simpoint file,weight file,interval-length,warmup-length>")
238    parser.add_option("--restore-simpoint-checkpoint", action="store_true",
239        help="restore from a simpoint checkpoint taken with " +
240             "--take-simpoint-checkpoints")
241
242    # Checkpointing options
243    ###Note that performing checkpointing via python script files will override
244    ###checkpoint instructions built into binaries.
245    parser.add_option("--take-checkpoints", action="store", type="string",
246        help="<M,N> take checkpoints at tick M and every N ticks thereafter")
247    parser.add_option("--max-checkpoints", action="store", type="int",
248        help="the maximum number of checkpoints to drop", default=5)
249    parser.add_option("--checkpoint-dir", action="store", type="string",
250        help="Place all checkpoints in this absolute directory")
251    parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
252        help="restore from checkpoint <N>")
253    parser.add_option("--checkpoint-at-end", action="store_true",
254                      help="take a checkpoint at end of run")
255    parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
256                      help="checkpoint at specified work begin count")
257    parser.add_option("--work-end-checkpoint-count", action="store", type="int",
258                      help="checkpoint at specified work end count")
259    parser.add_option("--work-cpus-checkpoint-count", action="store", type="int",
260                      help="checkpoint and exit when active cpu count is reached")
261    parser.add_option("--restore-with-cpu", action="store", type="choice",
262                      default="AtomicSimpleCPU", choices=CpuConfig.cpu_names(),
263                      help = "cpu type for restoring from a checkpoint")
264
265
266    # CPU Switching - default switch model goes from a checkpoint
267    # to a timing simple CPU with caches to warm up, then to detailed CPU for
268    # data measurement
269    parser.add_option("--repeat-switch", action="store", type="int",
270        default=None,
271        help="switch back and forth between CPUs with period <N>")
272    parser.add_option("-s", "--standard-switch", action="store", type="int",
273        default=None,
274        help="switch from timing to Detailed CPU after warmup period of <N>")
275    parser.add_option("-p", "--prog-interval", type="str",
276        help="CPU Progress Interval")
277
278    # Fastforwarding and simpoint related materials
279    parser.add_option("-W", "--warmup-insts", action="store", type="int",
280        default=None,
281        help="Warmup period in total instructions (requires --standard-switch)")
282    parser.add_option("--bench", action="store", type="string", default=None,
283        help="base names for --take-checkpoint and --checkpoint-restore")
284    parser.add_option("-F", "--fast-forward", action="store", type="string",
285        default=None,
286        help="Number of instructions to fast forward before switching")
287    parser.add_option("-S", "--simpoint", action="store_true", default=False,
288        help="""Use workload simpoints as an instruction offset for
289                --checkpoint-restore or --take-checkpoint.""")
290    parser.add_option("--at-instruction", action="store_true", default=False,
291        help="""Treat value of --checkpoint-restore or --take-checkpoint as a
292                number of instructions.""")
293    parser.add_option("--spec-input", default="ref", type="choice",
294                      choices=["ref", "test", "train", "smred", "mdred",
295                               "lgred"],
296                      help="Input set size for SPEC CPU2000 benchmarks.")
297    parser.add_option("--arm-iset", default="arm", type="choice",
298                      choices=["arm", "thumb", "aarch64"],
299                      help="ARM instruction set.")
300
301
302def addSEOptions(parser):
303    # Benchmark options
304    parser.add_option("-c", "--cmd", default="",
305                      help="The binary to run in syscall emulation mode.")
306    parser.add_option("-o", "--options", default="",
307                      help="""The options to pass to the binary, use " "
308                              around the entire string""")
309    parser.add_option("-e", "--env", default="",
310                      help="Initialize workload environment from text file.")
311    parser.add_option("-i", "--input", default="",
312                      help="Read stdin from a file.")
313    parser.add_option("--output", default="",
314                      help="Redirect stdout to a file.")
315    parser.add_option("--errout", default="",
316                      help="Redirect stderr to a file.")
317
318def addFSOptions(parser):
319    from FSConfig import os_types
320
321    # Simulation options
322    parser.add_option("--timesync", action="store_true",
323            help="Prevent simulated time from getting ahead of real time")
324
325    # System options
326    parser.add_option("--kernel", action="store", type="string")
327    parser.add_option("--os-type", action="store", type="choice",
328            choices=os_types[buildEnv['TARGET_ISA']], default="linux",
329            help="Specifies type of OS to boot")
330    parser.add_option("--script", action="store", type="string")
331    parser.add_option("--frame-capture", action="store_true",
332            help="Stores changed frame buffers from the VNC server to compressed "\
333            "files in the gem5 output directory")
334
335    if buildEnv['TARGET_ISA'] == "arm":
336        parser.add_option("--bare-metal", action="store_true",
337                   help="Provide the raw system without the linux specific bits")
338        parser.add_option("--list-machine-types",
339                          action="callback", callback=_listPlatformTypes,
340                      help="List available platform types")
341        parser.add_option("--machine-type", action="store", type="choice",
342                choices=PlatformConfig.platform_names(),
343                default="VExpress_EMM")
344        parser.add_option("--dtb-filename", action="store", type="string",
345              help="Specifies device tree blob file to use with device-tree-"\
346              "enabled kernels")
347        parser.add_option("--enable-security-extensions", action="store_true",
348              help="Turn on the ARM Security Extensions")
349        parser.add_option("--enable-context-switch-stats-dump", \
350                action="store_true", help="Enable stats dump at context "\
351                "switches and dump tasks file (required for Streamline)")
352        parser.add_option("--generate-dtb", action="store_true", default=False,
353                    help="Automatically generate a dtb file")
354
355    # Benchmark options
356    parser.add_option("--dual", action="store_true",
357                      help="Simulate two systems attached with an ethernet link")
358    parser.add_option("-b", "--benchmark", action="store", type="string",
359                      dest="benchmark",
360                      help="Specify the benchmark to run. Available benchmarks: %s"\
361                      % DefinedBenchmarks)
362
363    # Metafile options
364    parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
365                      help="Specify the filename to dump a pcap capture of the" \
366                      "ethernet traffic")
367
368    # Disk Image Options
369    parser.add_option("--disk-image", action="store", type="string", default=None,
370                      help="Path to the disk image to use.")
371    parser.add_option("--root-device", action="store", type="string", default=None,
372                      help="OS device name for root partition")
373
374    # Command line options
375    parser.add_option("--command-line", action="store", type="string",
376                      default=None,
377                      help="Template for the kernel command line.")
378    parser.add_option("--command-line-file", action="store",
379                      default=None, type="string",
380                      help="File with a template for the kernel command line")
381