Options.py revision 11626:c89c72b0e5f5
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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    # dist-gem5 options
146    parser.add_option("--dist", action="store_true",
147                      help="Parallel distributed gem5 simulation.")
148    parser.add_option("--is-switch", action="store_true",
149                      help="Select the network switch simulator process for a"\
150                      "distributed gem5 run")
151    parser.add_option("--dist-rank", default=0, action="store", type="int",
152                      help="Rank of this system within the dist gem5 run.")
153    parser.add_option("--dist-size", default=0, action="store", type="int",
154                      help="Number of gem5 processes within the dist gem5 run.")
155    parser.add_option("--dist-server-name",
156                      default="127.0.0.1",
157                      action="store", type="string",
158                      help="Name of the message server host\nDEFAULT: localhost")
159    parser.add_option("--dist-server-port",
160                      default=2200,
161                      action="store", type="int",
162                      help="Message server listen port\nDEFAULT: 2200")
163    parser.add_option("--dist-sync-repeat",
164                      default="0us",
165                      action="store", type="string",
166                      help="Repeat interval for synchronisation barriers among dist-gem5 processes\nDEFAULT: --ethernet-linkdelay")
167    parser.add_option("--dist-sync-start",
168                      default="5200000000000t",
169                      action="store", type="string",
170                      help="Time to schedule the first dist synchronisation barrier\nDEFAULT:5200000000000t")
171    parser.add_option("--ethernet-linkspeed", default="10Gbps",
172                        action="store", type="string",
173                        help="Link speed in bps\nDEFAULT: 10Gbps")
174    parser.add_option("--ethernet-linkdelay", default="10us",
175                      action="store", type="string",
176                      help="Link delay in seconds\nDEFAULT: 10us")
177
178    # Enable Ruby
179    parser.add_option("--ruby", action="store_true")
180
181    # Run duration options
182    parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
183                      metavar="TICKS", help="Run to absolute simulated tick " \
184                      "specified including ticks from a restored checkpoint")
185    parser.add_option("--rel-max-tick", type="int", default=None,
186                      metavar="TICKS", help="Simulate for specified number of" \
187                      " ticks relative to the simulation start tick (e.g. if " \
188                      "restoring a checkpoint)")
189    parser.add_option("--maxtime", type="float", default=None,
190                      help="Run to the specified absolute simulated time in " \
191                      "seconds")
192    parser.add_option("-I", "--maxinsts", action="store", type="int",
193                      default=None, help="""Total number of instructions to
194                                            simulate (default: run forever)""")
195    parser.add_option("--work-item-id", action="store", type="int",
196                      help="the specific work id for exit & checkpointing")
197    parser.add_option("--num-work-ids", action="store", type="int",
198                      help="Number of distinct work item types")
199    parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
200                      help="exit when work starts on the specified cpu")
201    parser.add_option("--work-end-exit-count", action="store", type="int",
202                      help="exit at specified work end count")
203    parser.add_option("--work-begin-exit-count", action="store", type="int",
204                      help="exit at specified work begin count")
205    parser.add_option("--init-param", action="store", type="int", default=0,
206                      help="""Parameter available in simulation with m5
207                              initparam""")
208    parser.add_option("--initialize-only", action="store_true", default=False,
209                      help="""Exit after initialization. Do not simulate time.
210                              Useful when gem5 is run as a library.""")
211
212    # Simpoint options
213    parser.add_option("--simpoint-profile", action="store_true",
214                      help="Enable basic block profiling for SimPoints")
215    parser.add_option("--simpoint-interval", type="int", default=10000000,
216                      help="SimPoint interval in num of instructions")
217    parser.add_option("--take-simpoint-checkpoints", action="store", type="string",
218        help="<simpoint file,weight file,interval-length,warmup-length>")
219    parser.add_option("--restore-simpoint-checkpoint", action="store_true",
220        help="restore from a simpoint checkpoint taken with " +
221             "--take-simpoint-checkpoints")
222
223    # Checkpointing options
224    ###Note that performing checkpointing via python script files will override
225    ###checkpoint instructions built into binaries.
226    parser.add_option("--take-checkpoints", action="store", type="string",
227        help="<M,N> take checkpoints at tick M and every N ticks thereafter")
228    parser.add_option("--max-checkpoints", action="store", type="int",
229        help="the maximum number of checkpoints to drop", default=5)
230    parser.add_option("--checkpoint-dir", action="store", type="string",
231        help="Place all checkpoints in this absolute directory")
232    parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
233        help="restore from checkpoint <N>")
234    parser.add_option("--checkpoint-at-end", action="store_true",
235                      help="take a checkpoint at end of run")
236    parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
237                      help="checkpoint at specified work begin count")
238    parser.add_option("--work-end-checkpoint-count", action="store", type="int",
239                      help="checkpoint at specified work end count")
240    parser.add_option("--work-cpus-checkpoint-count", action="store", type="int",
241                      help="checkpoint and exit when active cpu count is reached")
242    parser.add_option("--restore-with-cpu", action="store", type="choice",
243                      default="atomic", choices=CpuConfig.cpu_names(),
244                      help = "cpu type for restoring from a checkpoint")
245
246
247    # CPU Switching - default switch model goes from a checkpoint
248    # to a timing simple CPU with caches to warm up, then to detailed CPU for
249    # data measurement
250    parser.add_option("--repeat-switch", action="store", type="int",
251        default=None,
252        help="switch back and forth between CPUs with period <N>")
253    parser.add_option("-s", "--standard-switch", action="store", type="int",
254        default=None,
255        help="switch from timing to Detailed CPU after warmup period of <N>")
256    parser.add_option("-p", "--prog-interval", type="str",
257        help="CPU Progress Interval")
258
259    # Fastforwarding and simpoint related materials
260    parser.add_option("-W", "--warmup-insts", action="store", type="int",
261        default=None,
262        help="Warmup period in total instructions (requires --standard-switch)")
263    parser.add_option("--bench", action="store", type="string", default=None,
264        help="base names for --take-checkpoint and --checkpoint-restore")
265    parser.add_option("-F", "--fast-forward", action="store", type="string",
266        default=None,
267        help="Number of instructions to fast forward before switching")
268    parser.add_option("-S", "--simpoint", action="store_true", default=False,
269        help="""Use workload simpoints as an instruction offset for
270                --checkpoint-restore or --take-checkpoint.""")
271    parser.add_option("--at-instruction", action="store_true", default=False,
272        help="""Treat value of --checkpoint-restore or --take-checkpoint as a
273                number of instructions.""")
274    parser.add_option("--spec-input", default="ref", type="choice",
275                      choices=["ref", "test", "train", "smred", "mdred",
276                               "lgred"],
277                      help="Input set size for SPEC CPU2000 benchmarks.")
278    parser.add_option("--arm-iset", default="arm", type="choice",
279                      choices=["arm", "thumb", "aarch64"],
280                      help="ARM instruction set.")
281
282
283def addSEOptions(parser):
284    # Benchmark options
285    parser.add_option("-c", "--cmd", default="",
286                      help="The binary to run in syscall emulation mode.")
287    parser.add_option("-o", "--options", default="",
288                      help="""The options to pass to the binary, use " "
289                              around the entire string""")
290    parser.add_option("-e", "--env", default="",
291                      help="Initialize workload environment from text file.")
292    parser.add_option("-i", "--input", default="",
293                      help="Read stdin from a file.")
294    parser.add_option("--output", default="",
295                      help="Redirect stdout to a file.")
296    parser.add_option("--errout", default="",
297                      help="Redirect stderr to a file.")
298
299def addFSOptions(parser):
300    # Simulation options
301    parser.add_option("--timesync", action="store_true",
302            help="Prevent simulated time from getting ahead of real time")
303
304    # System options
305    parser.add_option("--kernel", action="store", type="string")
306    parser.add_option("--os-type", action="store", type="choice",
307            choices=os_types[buildEnv['TARGET_ISA']], default="linux",
308            help="Specifies type of OS to boot")
309    parser.add_option("--script", action="store", type="string")
310    parser.add_option("--frame-capture", action="store_true",
311            help="Stores changed frame buffers from the VNC server to compressed "\
312            "files in the gem5 output directory")
313
314    if buildEnv['TARGET_ISA'] == "arm":
315        parser.add_option("--bare-metal", action="store_true",
316                   help="Provide the raw system without the linux specific bits")
317        parser.add_option("--list-machine-types",
318                          action="callback", callback=_listPlatformTypes,
319                      help="List available platform types")
320        parser.add_option("--machine-type", action="store", type="choice",
321                choices=PlatformConfig.platform_names(),
322                default="VExpress_EMM")
323        parser.add_option("--dtb-filename", action="store", type="string",
324              help="Specifies device tree blob file to use with device-tree-"\
325              "enabled kernels")
326        parser.add_option("--enable-context-switch-stats-dump", \
327                action="store_true", help="Enable stats dump at context "\
328                "switches and dump tasks file (required for Streamline)")
329
330    # Benchmark options
331    parser.add_option("--dual", action="store_true",
332                      help="Simulate two systems attached with an ethernet link")
333    parser.add_option("-b", "--benchmark", action="store", type="string",
334                      dest="benchmark",
335                      help="Specify the benchmark to run. Available benchmarks: %s"\
336                      % DefinedBenchmarks)
337
338    # Metafile options
339    parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
340                      help="Specify the filename to dump a pcap capture of the" \
341                      "ethernet traffic")
342
343    # Disk Image Options
344    parser.add_option("--disk-image", action="store", type="string", default=None,
345                      help="Path to the disk image to use.")
346    parser.add_option("--root-device", action="store", type="string", default=None,
347                      help="OS device name for root partition")
348
349    # Command line options
350    parser.add_option("--command-line", action="store", type="string",
351                      default=None,
352                      help="Template for the kernel command line.")
353    parser.add_option("--command-line-file", action="store",
354                      default=None, type="string",
355                      help="File with a template for the kernel command line")
356