Options.py revision 6893
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") 37parser.add_option("--clock", action="store", type="string", default='1GHz') 38parser.add_option("--num-dirs", type="int", default=1) 39 40# Run duration options 41parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick, 42 metavar="T", 43 help="Stop after T ticks") 44parser.add_option("--maxtime", type="float") 45parser.add_option("--maxinsts", type="int") 46parser.add_option("--prog_intvl", type="int") 47 48 49# Checkpointing options 50###Note that performing checkpointing via python script files will override 51###checkpoint instructions built into binaries. 52parser.add_option("--take-checkpoints", action="store", type="string", 53 help="<M,N> will take checkpoint at cycle M and every N cycles thereafter") 54parser.add_option("--max-checkpoints", action="store", type="int", 55 help="the maximum number of checkpoints to drop", default=5) 56parser.add_option("--checkpoint-dir", action="store", type="string", 57 help="Place all checkpoints in this absolute directory") 58parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 59 help="restore from checkpoint <N>") 60parser.add_option("--checkpoint-at-end", action="store_true", 61 help="take a checkpoint at end of run") 62 63 64# CPU Switching - default switch model goes from a checkpoint 65# to a timing simple CPU with caches to warm up, then to detailed CPU for 66# data measurement 67parser.add_option("-s", "--standard-switch", action="store_true", 68 help="switch from timing CPU to Detailed CPU") 69parser.add_option("-w", "--warmup", action="store", type="int", 70 help="if -s, then this is the warmup period. else, this is ignored", 71 default=5000000000) 72parser.add_option("--profile", help="CPU profile interval") 73 74# Fastforwarding and simpoint related materials 75parser.add_option("-W", "--warmup-insts", action="store", type="int", 76 default=None, 77 help="Warmup period in total instructions (requires --standard-switch)") 78parser.add_option("-I", "--max-inst", action="store", type="int", default=None, 79 help="Total number of instructions to simulate (default: run forever)") 80parser.add_option("--bench", action="store", type="string", default=None, 81 help="base names for --take-checkpoint and --checkpoint-restore") 82parser.add_option("-F", "--fast-forward", action="store", type="string", 83 default=None, 84 help="Number of instructions to fast forward before switching") 85parser.add_option("-S", "--simpoint", action="store_true", default=False, 86 help="""Use workload simpoints as an instruction offset for 87--checkpoint-restore or --take-checkpoint.""") 88parser.add_option("--at-instruction", action="store_true", default=False, 89 help="""Treate value of --checkpoint-restore or --take-checkpoint as a 90number of instructions.""") 91