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path: root/src/mem/probes/StackDistProbe.py
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# Copyright (c) 2014-2015 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder.  You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Andreas Hansson
#          Andreas Sandberg

from m5.params import *
from m5.proxy import *
from BaseMemProbe import BaseMemProbe

class StackDistProbe(BaseMemProbe):
    type = 'StackDistProbe'
    cxx_header = "mem/probes/stack_dist.hh"

    system = Param.System(Parent.any,
                          "System to use when determining system cache "
                          "line size")

    line_size = Param.Unsigned(Parent.cache_line_size,
                               "Cache line size in bytes (must be larger or "
                               "equal to the system's line size)")

    # enable verification stack
    verify = Param.Bool(False, "Verify behaviuor with reference implementation")

    # linear histogram bins and enable/disable
    linear_hist_bins = Param.Unsigned('16', "Bins in linear histograms")
    disable_linear_hists = Param.Bool(False, "Disable linear histograms")

    # logarithmic histogram bins and enable/disable
    log_hist_bins = Param.Unsigned('32', "Bins in logarithmic histograms")
    disable_log_hists = Param.Bool(False, "Disable logarithmic histograms")