Options.py revision 8887:20ea02da9c53
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("--cpu-type", type="choice", default="atomic", 31 choices = ["atomic", "timing", "detailed", "inorder", 32 "arm_detailed"], 33 help = "type of cpu to run with") 34parser.add_option("--checker", action="store_true"); 35parser.add_option("-n", "--num-cpus", type="int", default=1) 36parser.add_option("--caches", action="store_true") 37parser.add_option("--l2cache", action="store_true") 38parser.add_option("--fastmem", action="store_true") 39parser.add_option("--clock", action="store", type="string", default='2GHz') 40parser.add_option("--num-dirs", type="int", default=1) 41parser.add_option("--num-l2caches", type="int", default=1) 42parser.add_option("--num-l3caches", type="int", default=1) 43parser.add_option("--l1d_size", type="string", default="64kB") 44parser.add_option("--l1i_size", type="string", default="32kB") 45parser.add_option("--l2_size", type="string", default="2MB") 46parser.add_option("--l3_size", type="string", default="16MB") 47parser.add_option("--l1d_assoc", type="int", default=2) 48parser.add_option("--l1i_assoc", type="int", default=2) 49parser.add_option("--l2_assoc", type="int", default=8) 50parser.add_option("--l3_assoc", type="int", default=16) 51parser.add_option("--cacheline_size", type="int", default=64) 52parser.add_option("--ruby", action="store_true") 53 54# Run duration options 55parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick, 56 metavar="T", 57 help="Stop after T ticks") 58parser.add_option("--maxtime", type="float") 59parser.add_option("-I", "--maxinsts", action="store", type="int", default=None, 60 help="Total number of instructions to simulate (default: run forever)") 61parser.add_option("--work-item-id", action="store", type="int", 62 help="the specific work id for exit & checkpointing") 63parser.add_option("--work-begin-cpu-id-exit", action="store", type="int", 64 help="exit when work starts on the specified cpu") 65parser.add_option("--work-end-exit-count", action="store", type="int", 66 help="exit at specified work end count") 67parser.add_option("--work-begin-exit-count", action="store", type="int", 68 help="exit at specified work begin count") 69parser.add_option("--init-param", action="store", type="int", default=0, 70 help="Parameter available in simulation with m5 initparam") 71 72# Checkpointing options 73###Note that performing checkpointing via python script files will override 74###checkpoint instructions built into binaries. 75parser.add_option("--take-checkpoints", action="store", type="string", 76 help="<M,N> will take checkpoint at cycle M and every N cycles thereafter") 77parser.add_option("--max-checkpoints", action="store", type="int", 78 help="the maximum number of checkpoints to drop", default=5) 79parser.add_option("--checkpoint-dir", action="store", type="string", 80 help="Place all checkpoints in this absolute directory") 81parser.add_option("-r", "--checkpoint-restore", action="store", type="int", 82 help="restore from checkpoint <N>") 83parser.add_option("--checkpoint-at-end", action="store_true", 84 help="take a checkpoint at end of run") 85parser.add_option("--work-begin-checkpoint-count", action="store", type="int", 86 help="checkpoint at specified work begin count") 87parser.add_option("--work-end-checkpoint-count", action="store", type="int", 88 help="checkpoint at specified work end count") 89parser.add_option("--work-cpus-checkpoint-count", action="store", type="int", 90 help="checkpoint and exit when active cpu count is reached") 91parser.add_option("--restore-with-cpu", action="store", type="choice", 92 default="atomic", choices = ["atomic", "timing", 93 "detailed", "inorder"], 94 help = "cpu type for restoring from a checkpoint") 95 96 97# CPU Switching - default switch model goes from a checkpoint 98# to a timing simple CPU with caches to warm up, then to detailed CPU for 99# data measurement 100parser.add_option("-s", "--standard-switch", action="store_true", 101 help="switch from timing CPU to Detailed CPU") 102parser.add_option("-w", "--warmup", action="store", type="int", 103 help="if -s, then this is the warmup period. else, this is ignored", 104 default=5000000000) 105parser.add_option("-p", "--prog-interval", type="int", help="CPU Progress Interval") 106 107# Fastforwarding and simpoint related materials 108parser.add_option("-W", "--warmup-insts", action="store", type="int", 109 default=None, 110 help="Warmup period in total instructions (requires --standard-switch)") 111parser.add_option("--bench", action="store", type="string", default=None, 112 help="base names for --take-checkpoint and --checkpoint-restore") 113parser.add_option("-F", "--fast-forward", action="store", type="string", 114 default=None, 115 help="Number of instructions to fast forward before switching") 116parser.add_option("-S", "--simpoint", action="store_true", default=False, 117 help="""Use workload simpoints as an instruction offset for 118--checkpoint-restore or --take-checkpoint.""") 119parser.add_option("--at-instruction", action="store_true", default=False, 120 help="""Treate value of --checkpoint-restore or --take-checkpoint as a 121number of instructions.""") 122