Options.py revision 6918 
1# Copyright (c) 2006-2008 The Regents of The University of Michigan
2# All rights reserved.
3#
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5# modification, are permitted provided that the following conditions are
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7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
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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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21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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)
40parser.add_option("--topology", type="string", default="crossbar",
41                  help="'crossbar'|'mesh'")
42parser.add_option("--mesh-rows", type="int", default=1,
43                  help="the number of rows in the mesh topology")
44parser.add_option("--garnet-network", type="string", default=none,
45                  help="'fixed'|'flexible'")
46
47# Run duration options
48parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick,
49                  metavar="T",
50                  help="Stop after T ticks")
51parser.add_option("--maxtime", type="float")
52parser.add_option("--maxinsts", type="int")
53parser.add_option("--prog_intvl", type="int")
54
55
56# Checkpointing options
57###Note that performing checkpointing via python script files will override
58###checkpoint instructions built into binaries.
59parser.add_option("--take-checkpoints", action="store", type="string",
60    help="<M,N> will take checkpoint at cycle M and every N cycles thereafter")
61parser.add_option("--max-checkpoints", action="store", type="int",
62    help="the maximum number of checkpoints to drop", default=5)
63parser.add_option("--checkpoint-dir", action="store", type="string",
64    help="Place all checkpoints in this absolute directory")
65parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
66    help="restore from checkpoint <N>")
67parser.add_option("--checkpoint-at-end", action="store_true",
68                  help="take a checkpoint at end of run")
69
70
71# CPU Switching - default switch model goes from a checkpoint
72# to a timing simple CPU with caches to warm up, then to detailed CPU for
73# data measurement
74parser.add_option("-s", "--standard-switch", action="store_true",
75    help="switch from timing CPU to Detailed CPU")
76parser.add_option("-w", "--warmup", action="store", type="int",
77    help="if -s, then this is the warmup period.  else, this is ignored",
78    default=5000000000)
79parser.add_option("--profile", help="CPU profile interval")
80
81# Fastforwarding and simpoint related materials
82parser.add_option("-W", "--warmup-insts", action="store", type="int",
83    default=None,
84    help="Warmup period in total instructions (requires --standard-switch)")
85parser.add_option("-I", "--max-inst", action="store", type="int", default=None,
86    help="Total number of instructions to simulate (default: run forever)")
87parser.add_option("--bench", action="store", type="string", default=None,
88    help="base names for --take-checkpoint and --checkpoint-restore")
89parser.add_option("-F", "--fast-forward", action="store", type="string",
90    default=None,
91    help="Number of instructions to fast forward before switching")
92parser.add_option("-S", "--simpoint", action="store_true", default=False,
93    help="""Use workload simpoints as an instruction offset for
94--checkpoint-restore or --take-checkpoint.""")
95parser.add_option("--at-instruction", action="store_true", default=False,
96    help="""Treate value of --checkpoint-restore or --take-checkpoint as a
97number of instructions.""")
98