c56e1a80010402a2f4aeaa00b3ba73c5126c7765
1 # Copyright (c) 2016 Georgia Institute of Technology
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
6 # met: redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer;
8 # redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution;
11 # neither the name of the copyright holders nor the names of its
12 # contributors may be used to endorse or promote products derived from
13 # this software without specific prior written permission.
15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 # Author: Tushar Krishna
29 from __future__
import print_function
30 from __future__
import absolute_import
33 from m5
.objects
import *
34 from m5
.defines
import buildEnv
35 from m5
.util
import addToPath
36 import os
, optparse
, sys
40 from common
import Options
43 # Get paths we might need. It's expected this file is in m5/configs/example.
44 config_path
= os
.path
.dirname(os
.path
.abspath(__file__
))
45 config_root
= os
.path
.dirname(config_path
)
46 m5_root
= os
.path
.dirname(config_root
)
48 parser
= optparse
.OptionParser()
49 Options
.addNoISAOptions(parser
)
51 parser
.add_option("--synthetic", type="choice", default
="uniform_random",
52 choices
=['uniform_random', 'tornado', 'bit_complement', \
53 'bit_reverse', 'bit_rotation', 'neighbor', \
54 'shuffle', 'transpose'])
56 parser
.add_option("-i", "--injectionrate", type="float", default
=0.1,
58 help="Injection rate in packets per cycle per node. \
59 Takes decimal value between 0 to 1 (eg. 0.225). \
60 Number of digits after 0 depends upon --precision.")
62 parser
.add_option("--precision", type="int", default
=3,
63 help="Number of digits of precision after decimal point\
66 parser
.add_option("--sim-cycles", type="int", default
=1000,
67 help="Number of simulation cycles")
69 parser
.add_option("--num-packets-max", type="int", default
=-1,
70 help="Stop injecting after --num-packets-max.\
71 Set to -1 to disable.")
73 parser
.add_option("--single-sender-id", type="int", default
=-1,
74 help="Only inject from this sender.\
75 Set to -1 to disable.")
77 parser
.add_option("--single-dest-id", type="int", default
=-1,
78 help="Only send to this destination.\
79 Set to -1 to disable.")
81 parser
.add_option("--inj-vnet", type="int", default
=-1,
82 help="Only inject in this vnet (0, 1 or 2).\
83 0 and 1 are 1-flit, 2 is 5-flit.\
84 Set to -1 to inject randomly in all vnets.")
87 # Add the ruby specific and protocol specific options
89 Ruby
.define_options(parser
)
91 (options
, args
) = parser
.parse_args()
94 print("Error: script doesn't take any positional arguments")
98 if options
.inj_vnet
> 2:
99 print("Error: Injection vnet %d should be 0 (1-flit), 1 (1-flit) "
100 "or 2 (5-flit) or -1 (random)" % (options
.inj_vnet
))
104 cpus
= [ GarnetSyntheticTraffic(
105 num_packets_max
=options
.num_packets_max
,
106 single_sender
=options
.single_sender_id
,
107 single_dest
=options
.single_dest_id
,
108 sim_cycles
=options
.sim_cycles
,
109 traffic_type
=options
.synthetic
,
110 inj_rate
=options
.injectionrate
,
111 inj_vnet
=options
.inj_vnet
,
112 precision
=options
.precision
,
113 num_dest
=options
.num_dirs
) \
114 for i
in range(options
.num_cpus
) ]
116 # create the desired simulated system
117 system
= System(cpu
= cpus
, mem_ranges
= [AddrRange(options
.mem_size
)])
120 # Create a top-level voltage domain and clock domain
121 system
.voltage_domain
= VoltageDomain(voltage
= options
.sys_voltage
)
123 system
.clk_domain
= SrcClockDomain(clock
= options
.sys_clock
,
124 voltage_domain
= system
.voltage_domain
)
126 Ruby
.create_system(options
, False, system
)
128 # Create a seperate clock domain for Ruby
129 system
.ruby
.clk_domain
= SrcClockDomain(clock
= options
.ruby_clock
,
130 voltage_domain
= system
.voltage_domain
)
133 for ruby_port
in system
.ruby
._cpu
_ports
:
135 # Tie the cpu test ports to the ruby cpu port
137 cpus
[i
].test
= ruby_port
.slave
140 # -----------------------
142 # -----------------------
144 root
= Root(full_system
= False, system
= system
)
145 root
.system
.mem_mode
= 'timing'
147 # Not much point in this being higher than the L1 latency
148 m5
.ticks
.setGlobalFrequency('1ps')
150 # instantiate configuration
153 # simulate until program terminates
154 exit_event
= m5
.simulate(options
.abs_max_tick
)
156 print('Exiting @ tick', m5
.curTick(), 'because', exit_event
.getCause())