TrafficGen.py revision 13665
12207SN/A# Copyright (c) 2012, 2016, 2018 ARM Limited 22207SN/A# All rights reserved. 32207SN/A# 42207SN/A# The license below extends only to copyright in the software and shall 52207SN/A# not be construed as granting a license to any other intellectual 62207SN/A# property including but not limited to intellectual property relating 72207SN/A# to a hardware implementation of the functionality of the software 82207SN/A# licensed hereunder. You may use the software subject to the license 92207SN/A# terms below provided that you ensure that this notice is replicated 102207SN/A# unmodified and in its entirety in all distributions of the software, 112207SN/A# modified or unmodified, in source code or in binary form. 122207SN/A# 132207SN/A# Redistribution and use in source and binary forms, with or without 142207SN/A# modification, are permitted provided that the following conditions are 152207SN/A# met: redistributions of source code must retain the above copyright 162207SN/A# notice, this list of conditions and the following disclaimer; 172207SN/A# redistributions in binary form must reproduce the above copyright 182207SN/A# notice, this list of conditions and the following disclaimer in the 192207SN/A# documentation and/or other materials provided with the distribution; 202207SN/A# neither the name of the copyright holders nor the names of its 212207SN/A# contributors may be used to endorse or promote products derived from 222207SN/A# this software without specific prior written permission. 232207SN/A# 242207SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 252207SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 262207SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 272665Ssaidi@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 282665Ssaidi@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 292665Ssaidi@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 302207SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 312207SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 322972Sgblack@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 332207SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 342454SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 355759Shsul@eecs.umich.edu# 362454SN/A# Authors: Thomas Grass 372680Sktlim@umich.edu# Andreas Hansson 385759Shsul@eecs.umich.edu# Sascha Bischoff 395759Shsul@eecs.umich.edu 402474SN/Afrom m5.params import * 412207SN/Afrom m5.objects.BaseTrafficGen import * 422474SN/A 432474SN/A# The behaviour of this traffic generator is specified in a 442474SN/A# configuration file, and this file describes a state transition graph 455569Snate@binkert.org# where each state is a specific generator behaviour. Examples include 465569Snate@binkert.org# idling, generating linear address sequences, random sequences and 475154Sgblack@eecs.umich.edu# replay of captured traces. By describing these behaviours as states, 482474SN/A# it is straight forward to create very complex behaviours, simply by 492474SN/A# arranging them in graphs. The graph transitions can also be 502474SN/A# annotated with probabilities, effectively making it a Markov Chain. 512474SN/Aclass TrafficGen(BaseTrafficGen): 522474SN/A type = 'TrafficGen' 532474SN/A cxx_header = "cpu/testers/traffic_gen/traffic_gen.hh" 542474SN/A 552474SN/A # Config file to parse for the state descriptions 562474SN/A config_file = Param.String("Configuration file describing the behaviour") 572474SN/A