Options.py revision 6769:630a3d0b7eb7
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
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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")
37
38# Run duration options
39parser.add_option("-m", "--maxtick", type="int")
40parser.add_option("--maxtime", type="float")
41parser.add_option("--maxinsts", type="int")
42parser.add_option("--prog_intvl", type="int")
43
44
45# Checkpointing options
46###Note that performing checkpointing via python script files will override
47###checkpoint instructions built into binaries.
48parser.add_option("--take-checkpoints", action="store", type="string",
49    help="<M,N> will take checkpoint at cycle M and every N cycles thereafter")
50parser.add_option("--max-checkpoints", action="store", type="int",
51    help="the maximum number of checkpoints to drop", default=5)
52parser.add_option("--checkpoint-dir", action="store", type="string",
53    help="Place all checkpoints in this absolute directory")
54parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
55    help="restore from checkpoint <N>")
56
57# CPU Switching - default switch model goes from a checkpoint
58# to a timing simple CPU with caches to warm up, then to detailed CPU for
59# data measurement
60parser.add_option("-s", "--standard-switch", action="store_true",
61    help="switch from timing CPU to Detailed CPU")
62parser.add_option("-w", "--warmup", action="store", type="int",
63    help="if -s, then this is the warmup period.  else, this is ignored",
64    default=5000000000)
65parser.add_option("--profile", help="CPU profile interval")
66
67# Fastforwarding and simpoint related materials
68parser.add_option("-W", "--warmup-insts", action="store", type="int",
69    default=None,
70    help="Warmup period in total instructions (requires --standard-switch)")
71parser.add_option("-I", "--max-inst", action="store", type="int", default=None,
72    help="Total number of instructions to simulate (default: run forever)")
73parser.add_option("--bench", action="store", type="string", default=None,
74    help="base names for --take-checkpoint and --checkpoint-restore")
75parser.add_option("-F", "--fast-forward", action="store", type="string",
76    default=None,
77    help="Number of instructions to fast forward before switching")
78parser.add_option("-S", "--simpoint", action="store_true", default=False,
79    help="""Use workload simpoints as an instruction offset for
80--checkpoint-restore or --take-checkpoint.""")
81parser.add_option("--at-instruction", action="store_true", default=False,
82    help="""Treate value of --checkpoint-restore or --take-checkpoint as a
83number of instructions.""")
84