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+# Copyright (c) 2016 Georgia Institute of Technology
+# All rights reserved.
+#
+# 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: Tushar Krishna
+
+from MemObject import MemObject
+from m5.params import *
+from m5.proxy import *
+
+class GarnetSyntheticTraffic(MemObject):
+ type = 'GarnetSyntheticTraffic'
+ cxx_header = \
+ "cpu/testers/garnet_synthetic_traffic/GarnetSyntheticTraffic.hh"
+ 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 = MasterPort("Port to the memory system to test")
+ system = Param.System(Parent.any, "System we belong to")