Options.py revision 11251:a15c86af004a
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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