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from m5.objects.ClockedObject import ClockedObject
from m5.params import *
from m5.proxy import *

class GarnetSyntheticTraffic(ClockedObject):
    type = 'GarnetSyntheticTraffic'
    cxx_header = \
        "cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh"
    cxx_class = 'gem5::GarnetSyntheticTraffic'

    block_offset = Param.Int(6, "block offset in bits")
    num_dest = Param.Int(1, "Number of Destinations")
    memory_size = Param.Int(65536, "memory size")
    sim_cycles = Param.Int(1000, "Number of simulation cycles")
    num_packets_max = Param.Int(-1, "Max number of packets to send. \
                        Default is to keep sending till simulation ends")
    single_sender = Param.Int(-1, "Send only from this node. \
                                   By default every node sends")
    single_dest = Param.Int(-1, "Send only to this dest. \
                                 Default depends on traffic_type")
    traffic_type = Param.String("uniform_random", "Traffic type")
    inj_rate = Param.Float(0.1, "Packet injection rate")
    inj_vnet = Param.Int(-1, "Vnet to inject in. \
                              0 and 1 are 1-flit, 2 is 5-flit. \
                                Default is to inject in all three vnets")
    precision = Param.Int(3, "Number of digits of precision \
                              after decimal point")
    response_limit = Param.Cycles(5000000, "Cycles before exiting \
                                            due to lack of progress")
    test = RequestPort("Port to the memory system to test")
    system = Param.System(Parent.any, "System we belong to")