configs/common/Options.py

   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
  30 parser.add_option("-d", "--detailed", action="store_true")
  31 parser.add_option("-t", "--timing", action="store_true")
  32 parser.add_option("--inorder", action="store_true")
  33 parser.add_option("-n", "--num-cpus", type="int", default=1)
  34 parser.add_option("--caches", action="store_true")
  35 parser.add_option("--l2cache", action="store_true")
  36 parser.add_option("--fastmem", action="store_true")
  37 parser.add_option("--clock", action="store", type="string", default='2GHz')
  38 parser.add_option("--num-dirs", type="int", default=1)
  39 parser.add_option("--num-l2caches", type="int", default=1)
  40 parser.add_option("--num-l3caches", type="int", default=1)
  41 parser.add_option("--l1d_size", type="string", default="64kB")
  42 parser.add_option("--l1i_size", type="string", default="32kB")
  43 parser.add_option("--l2_size", type="string", default="2MB")
  44 parser.add_option("--l3_size", type="string", default="16MB")
  45 parser.add_option("--l1d_assoc", type="int", default=2)
  46 parser.add_option("--l1i_assoc", type="int", default=2)
  47 parser.add_option("--l2_assoc", type="int", default=8)
  48 parser.add_option("--l3_assoc", type="int", default=16)
  49 parser.add_option("--cacheline_size", type="int", default=64)
  50
  51 # Run duration options
  52 parser.add_option("-m", "--maxtick", type="int", default=m5.MaxTick,
  53                   metavar="T",
  54                   help="Stop after T ticks")
  55 parser.add_option("--maxtime", type="float")
  56 parser.add_option("-I", "--maxinsts", action="store", type="int", default=None,
  57                   help="Total number of instructions to simulate (default: run forever)")
  58 parser.add_option("--work-item-id", action="store", type="int",
  59                   help="the specific work id for exit & checkpointing")
  60 parser.add_option("--work-begin-cpu-id-exit", action="store", type="int",
  61                   help="exit when work starts on the specified cpu")
  62 parser.add_option("--work-end-exit-count", action="store", type="int",
  63                   help="exit at specified work end count")
  64 parser.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.
  71 parser.add_option("--take-checkpoints", action="store", type="string",
  72     help="<M,N> will take checkpoint at cycle M and every N cycles thereafter")
  73 parser.add_option("--max-checkpoints", action="store", type="int",
  74     help="the maximum number of checkpoints to drop", default=5)
  75 parser.add_option("--checkpoint-dir", action="store", type="string",
  76     help="Place all checkpoints in this absolute directory")
  77 parser.add_option("-r", "--checkpoint-restore", action="store", type="int",
  78     help="restore from checkpoint <N>")
  79 parser.add_option("--checkpoint-at-end", action="store_true",
  80                   help="take a checkpoint at end of run")
  81 parser.add_option("--work-begin-checkpoint-count", action="store", type="int",
  82                   help="checkpoint at specified work begin count")
  83 parser.add_option("--work-end-checkpoint-count", action="store", type="int",
  84                   help="checkpoint at specified work end count")
  85 parser.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
  92 parser.add_option("-s", "--standard-switch", action="store_true",
  93     help="switch from timing CPU to Detailed CPU")
  94 parser.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)
  97 parser.add_option("-p", "--prog-interval", type="int", help="CPU Progress Interval")
  98
  99 # Fastforwarding and simpoint related materials
 100 parser.add_option("-W", "--warmup-insts", action="store", type="int",
 101     default=None,
 102     help="Warmup period in total instructions (requires --standard-switch)")
 103 parser.add_option("--bench", action="store", type="string", default=None,
 104     help="base names for --take-checkpoint and --checkpoint-restore")
 105 parser.add_option("-F", "--fast-forward", action="store", type="string",
 106     default=None,
 107     help="Number of instructions to fast forward before switching")
 108 parser.add_option("-S", "--simpoint", action="store_true", default=False,
 109     help="""Use workload simpoints as an instruction offset for
 110 --checkpoint-restore or --take-checkpoint.""")
 111 parser.add_option("--at-instruction", action="store_true", default=False,
 112     help="""Treate value of --checkpoint-restore or --take-checkpoint as a
 113 number of instructions.""")