112810Sandreas.sandberg@arm.com# Copyright (c) 2012, 2016, 2018 ARM Limited
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349241Sandreas.hansson@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
359241Sandreas.hansson@arm.com#
369241Sandreas.hansson@arm.com# Authors: Thomas Grass
379241Sandreas.hansson@arm.com#          Andreas Hansson
389241Sandreas.hansson@arm.com#          Sascha Bischoff
399241Sandreas.hansson@arm.com
409241Sandreas.hansson@arm.comfrom m5.params import *
4113665Sandreas.sandberg@arm.comfrom m5.objects.BaseTrafficGen import *
429241Sandreas.hansson@arm.com
4312810Sandreas.sandberg@arm.com# The behaviour of this traffic generator is specified in a
4412810Sandreas.sandberg@arm.com# configuration file, and this file describes a state transition graph
4512810Sandreas.sandberg@arm.com# where each state is a specific generator behaviour. Examples include
4612810Sandreas.sandberg@arm.com# idling, generating linear address sequences, random sequences and
4712810Sandreas.sandberg@arm.com# replay of captured traces. By describing these behaviours as states,
4812810Sandreas.sandberg@arm.com# it is straight forward to create very complex behaviours, simply by
4912810Sandreas.sandberg@arm.com# arranging them in graphs. The graph transitions can also be
5012810Sandreas.sandberg@arm.com# annotated with probabilities, effectively making it a Markov Chain.
5112810Sandreas.sandberg@arm.comclass TrafficGen(BaseTrafficGen):
529241Sandreas.hansson@arm.com    type = 'TrafficGen'
539338SAndreas.Sandberg@arm.com    cxx_header = "cpu/testers/traffic_gen/traffic_gen.hh"
549241Sandreas.hansson@arm.com
559241Sandreas.hansson@arm.com    # Config file to parse for the state descriptions
569241Sandreas.hansson@arm.com    config_file = Param.String("Configuration file describing the behaviour")
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