Options.py revision 8057:5a8208fa1600 
1# Copyright (c) 2006-2008 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
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
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
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='2GHz')
38parser.add_option("--num-dirs", type="int", default=1)
39parser.add_option("--num-l2caches", type="int", default=1)
40parser.add_option("--num-l3caches", type="int", default=1)
41parser.add_option("--l1d_size", type="string", default="64kB")
42parser.add_option("--l1i_size", type="string", default="32kB")
43parser.add_option("--l2_size", type="string", default="2MB")
44parser.add_option("--l3_size", type="string", default="16MB")
45parser.add_option("--l1d_assoc", type="int", default=2)
46parser.add_option("--l1i_assoc", type="int", default=2)
47parser.add_option("--l2_assoc", type="int", default=8)
48parser.add_option("--l3_assoc", type="int", default=16)
49parser.add_option("--cacheline_size", type="int", default=64)
50
51# Run duration options
52parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick,
53                  metavar="T",
54                  help="Stop after T ticks")
55parser.add_option("--maxtime", type="float")
56parser.add_option("--maxinsts", type="int")
57parser.add_option("--prog_intvl", type="int")
58parser.add_option("--work-item-id", action="store", type="int",
59                  help="the specific work id for exit & checkpointing")
60parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
61                  help="exit when work starts on the specified cpu")
62parser.add_option("--work-end-exit-count", action="store", type="int",
63                  help="exit at specified work end count")
64parser.add_option("--work-begin-exit-count", action="store", type="int",
65                  help="exit at specified work begin count")
66
67
68# Checkpointing options
69###Note that performing checkpointing via python script files will override
70###checkpoint instructions built into binaries.
71parser.add_option("--take-checkpoints", action="store", type="string",
72    help="<M,N> will take checkpoint at cycle M and every N cycles thereafter")
73parser.add_option("--max-checkpoints", action="store", type="int",
74    help="the maximum number of checkpoints to drop", default=5)
75parser.add_option("--checkpoint-dir", action="store", type="string",
76    help="Place all checkpoints in this absolute directory")
77parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
78    help="restore from checkpoint <N>")
79parser.add_option("--checkpoint-at-end", action="store_true",
80                  help="take a checkpoint at end of run")
81parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
82                  help="checkpoint at specified work begin count")
83parser.add_option("--work-end-checkpoint-count", action="store", type="int",
84                  help="checkpoint at specified work end count")
85parser.add_option("--work-cpus-checkpoint-count", action="store", type="int",
86                  help="checkpoint and exit when active cpu count is reached")
87
88
89# CPU Switching - default switch model goes from a checkpoint
90# to a timing simple CPU with caches to warm up, then to detailed CPU for
91# data measurement
92parser.add_option("-s", "--standard-switch", action="store_true",
93    help="switch from timing CPU to Detailed CPU")
94parser.add_option("-w", "--warmup", action="store", type="int",
95    help="if -s, then this is the warmup period.  else, this is ignored",
96    default=5000000000)
97parser.add_option("--profile", help="CPU profile interval")
98
99# Fastforwarding and simpoint related materials
100parser.add_option("-W", "--warmup-insts", action="store", type="int",
101    default=None,
102    help="Warmup period in total instructions (requires --standard-switch)")
103parser.add_option("-I", "--max-inst", action="store", type="int", default=None,
104    help="Total number of instructions to simulate (default: run forever)")
105parser.add_option("--bench", action="store", type="string", default=None,
106    help="base names for --take-checkpoint and --checkpoint-restore")
107parser.add_option("-F", "--fast-forward", action="store", type="string",
108    default=None,
109    help="Number of instructions to fast forward before switching")
110parser.add_option("-S", "--simpoint", action="store_true", default=False,
111    help="""Use workload simpoints as an instruction offset for
112--checkpoint-restore or --take-checkpoint.""")
113parser.add_option("--at-instruction", action="store_true", default=False,
114    help="""Treate value of --checkpoint-restore or --take-checkpoint as a
115number of instructions.""")
116