Options.py revision 6908:0e1d7624e641 
1# Copyright (c) 2006-2008 The Regents of The University of Michigan
2# All rights reserved.
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7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
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11# neither the name of the copyright holders nor the names of its
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13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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26#
27# Authors: Lisa Hsu
28
29# system options
30parser.add_option("-d", "--detailed", action="store_true")
31parser.add_option("-t", "--timing", action="store_true")
32parser.add_option("--inorder", action="store_true")
33parser.add_option("-n", "--num-cpus", type="int", default=1)
34parser.add_option("--caches", action="store_true")
35parser.add_option("--l2cache", action="store_true")
36parser.add_option("--fastmem", action="store_true")
37parser.add_option("--clock", action="store", type="string", default='1GHz')
38parser.add_option("--num-dirs", type="int", default=1)
39parser.add_option("--num-l2caches", type="int", default=1)
40
41# Run duration options
42parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick,
43                  metavar="T",
44                  help="Stop after T ticks")
45parser.add_option("--maxtime", type="float")
46parser.add_option("--maxinsts", type="int")
47parser.add_option("--prog_intvl", type="int")
48
49
50# Checkpointing options
51###Note that performing checkpointing via python script files will override
52###checkpoint instructions built into binaries.
53parser.add_option("--take-checkpoints", action="store", type="string",
54    help="<M,N> will take checkpoint at cycle M and every N cycles thereafter")
55parser.add_option("--max-checkpoints", action="store", type="int",
56    help="the maximum number of checkpoints to drop", default=5)
57parser.add_option("--checkpoint-dir", action="store", type="string",
58    help="Place all checkpoints in this absolute directory")
59parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
60    help="restore from checkpoint <N>")
61parser.add_option("--checkpoint-at-end", action="store_true",
62                  help="take a checkpoint at end of run")
63
64
65# CPU Switching - default switch model goes from a checkpoint
66# to a timing simple CPU with caches to warm up, then to detailed CPU for
67# data measurement
68parser.add_option("-s", "--standard-switch", action="store_true",
69    help="switch from timing CPU to Detailed CPU")
70parser.add_option("-w", "--warmup", action="store", type="int",
71    help="if -s, then this is the warmup period.  else, this is ignored",
72    default=5000000000)
73parser.add_option("--profile", help="CPU profile interval")
74
75# Fastforwarding and simpoint related materials
76parser.add_option("-W", "--warmup-insts", action="store", type="int",
77    default=None,
78    help="Warmup period in total instructions (requires --standard-switch)")
79parser.add_option("-I", "--max-inst", action="store", type="int", default=None,
80    help="Total number of instructions to simulate (default: run forever)")
81parser.add_option("--bench", action="store", type="string", default=None,
82    help="base names for --take-checkpoint and --checkpoint-restore")
83parser.add_option("-F", "--fast-forward", action="store", type="string",
84    default=None,
85    help="Number of instructions to fast forward before switching")
86parser.add_option("-S", "--simpoint", action="store_true", default=False,
87    help="""Use workload simpoints as an instruction offset for
88--checkpoint-restore or --take-checkpoint.""")
89parser.add_option("--at-instruction", action="store_true", default=False,
90    help="""Treate value of --checkpoint-restore or --take-checkpoint as a
91number of instructions.""")
92