fs.py (3322:bccece90053b) | fs.py (3328:50b7be1f9ab6) |
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1# Copyright (c) 2006 The Regents of The University of Michigan 2# All rights reserved. 3# 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 --- 26 unchanged lines hidden (view full) --- 35from SysPaths import * 36from Benchmarks import * 37 38if not m5.build_env['FULL_SYSTEM']: 39 m5.panic("This script requires full-system mode (ALPHA_FS).") 40 41parser = optparse.OptionParser() 42 | 1# Copyright (c) 2006 The Regents of The University of Michigan 2# All rights reserved. 3# 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 --- 26 unchanged lines hidden (view full) --- 35from SysPaths import * 36from Benchmarks import * 37 38if not m5.build_env['FULL_SYSTEM']: 39 m5.panic("This script requires full-system mode (ALPHA_FS).") 40 41parser = optparse.OptionParser() 42 |
43# Benchmark options 44parser.add_option("--dual", action="store_true", 45 help="Simulate two systems attached with an ethernet link") 46parser.add_option("-b", "--benchmark", action="store", type="string", 47 dest="benchmark", 48 help="Specify the benchmark to run. Available benchmarks: %s"\ 49 % DefinedBenchmarks) 50 51# system options | |
52parser.add_option("-d", "--detailed", action="store_true") 53parser.add_option("-t", "--timing", action="store_true") 54parser.add_option("-n", "--num_cpus", type="int", default=1) 55parser.add_option("--caches", action="store_true") | 43parser.add_option("-d", "--detailed", action="store_true") 44parser.add_option("-t", "--timing", action="store_true") 45parser.add_option("-n", "--num_cpus", type="int", default=1) 46parser.add_option("--caches", action="store_true") |
56 57# Run duration options | |
58parser.add_option("-m", "--maxtick", type="int") 59parser.add_option("--maxtime", type="float") | 47parser.add_option("-m", "--maxtick", type="int") 48parser.add_option("--maxtime", type="float") |
60 61# Metafile options | 49parser.add_option("--dual", action="store_true", 50 help="Simulate two systems attached with an ethernet link") 51parser.add_option("-b", "--benchmark", action="store", type="string", 52 dest="benchmark", 53 help="Specify the benchmark to run. Available benchmarks: %s"\ 54 % DefinedBenchmarks) |
62parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 63 help="Specify the filename to dump a pcap capture of the" \ 64 "ethernet traffic") | 55parser.add_option("--etherdump", action="store", type="string", dest="etherdump", 56 help="Specify the filename to dump a pcap capture of the" \ 57 "ethernet traffic") |
65 66# Checkpointing options 67###Note that performing checkpointing via python script files will override 68###checkpoint instructions built into binaries. 69parser.add_option("--take_checkpoints", action="store", type="string", 70 help="<M,N> will take checkpoint at cycle M and every N cycles \ 71 thereafter") 72parser.add_option("--max_checkpoints", action="store", type="int", 73 help="the maximum number of checkpoints to drop", 74 default=5) | |
75parser.add_option("--checkpoint_dir", action="store", type="string", 76 help="Place all checkpoints in this absolute directory") | 58parser.add_option("--checkpoint_dir", action="store", type="string", 59 help="Place all checkpoints in this absolute directory") |
77parser.add_option("-r", "--checkpoint_restore", action="store", type="int", | 60parser.add_option("-c", "--checkpoint", action="store", type="int", |
78 help="restore from checkpoint <N>") 79 | 61 help="restore from checkpoint <N>") 62 |
80# CPU Switching - default switch model goes from a checkpoint 81# to a timing simple CPU with caches to warm up, then to detailed CPU for 82# data measurement 83parser.add_option("-s", "--standard_switch", action="store_true", 84 help="switch from one cpu mode to another") 85 | |
86(options, args) = parser.parse_args() 87 88if args: 89 print "Error: script doesn't take any positional arguments" 90 sys.exit(1) 91 92class MyCache(BaseCache): 93 assoc = 2 94 block_size = 64 95 latency = 1 96 mshrs = 10 97 tgts_per_mshr = 5 | 63(options, args) = parser.parse_args() 64 65if args: 66 print "Error: script doesn't take any positional arguments" 67 sys.exit(1) 68 69class MyCache(BaseCache): 70 assoc = 2 71 block_size = 64 72 latency = 1 73 mshrs = 10 74 tgts_per_mshr = 5 |
75 protocol = CoherenceProtocol(protocol='moesi') |
|
98 | 76 |
99# driver system CPU is always simple... note this is an assignment of | 77# client system CPU is always simple... note this is an assignment of |
100# a class, not an instance. | 78# a class, not an instance. |
101DriveCPUClass = AtomicSimpleCPU 102drive_mem_mode = 'atomic' | 79ClientCPUClass = AtomicSimpleCPU 80client_mem_mode = 'atomic' |
103 | 81 |
104# system under test can be any of these CPUs | |
105if options.detailed: | 82if options.detailed: |
106 TestCPUClass = DerivO3CPU 107 test_mem_mode = 'timing' | 83 ServerCPUClass = DerivO3CPU 84 server_mem_mode = 'timing' |
108elif options.timing: | 85elif options.timing: |
109 TestCPUClass = TimingSimpleCPU 110 test_mem_mode = 'timing' | 86 ServerCPUClass = TimingSimpleCPU 87 server_mem_mode = 'timing' |
111else: | 88else: |
112 TestCPUClass = AtomicSimpleCPU 113 test_mem_mode = 'atomic' | 89 ServerCPUClass = AtomicSimpleCPU 90 server_mem_mode = 'atomic' |
114 | 91 |
115TestCPUClass.clock = '2GHz' 116DriveCPUClass.clock = '2GHz' | 92ServerCPUClass.clock = '2GHz' 93ClientCPUClass.clock = '2GHz' |
117 118if options.benchmark: 119 try: 120 bm = Benchmarks[options.benchmark] 121 except KeyError: 122 print "Error benchmark %s has not been defined." % options.benchmark 123 print "Valid benchmarks are: %s" % DefinedBenchmarks 124 sys.exit(1) 125else: 126 if options.dual: 127 bm = [SysConfig(), SysConfig()] 128 else: 129 bm = [SysConfig()] 130 | 94 95if options.benchmark: 96 try: 97 bm = Benchmarks[options.benchmark] 98 except KeyError: 99 print "Error benchmark %s has not been defined." % options.benchmark 100 print "Valid benchmarks are: %s" % DefinedBenchmarks 101 sys.exit(1) 102else: 103 if options.dual: 104 bm = [SysConfig(), SysConfig()] 105 else: 106 bm = [SysConfig()] 107 |
131test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0]) | 108server_sys = makeLinuxAlphaSystem(server_mem_mode, bm[0]) |
132np = options.num_cpus | 109np = options.num_cpus |
133test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)] | 110server_sys.cpu = [ServerCPUClass(cpu_id=i) for i in xrange(np)] |
134for i in xrange(np): | 111for i in xrange(np): |
135 if options.caches and not options.standard_switch: 136 test_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'), | 112 if options.caches: 113 server_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'), |
137 MyCache(size = '64kB')) | 114 MyCache(size = '64kB')) |
138 test_sys.cpu[i].connectMemPorts(test_sys.membus) 139 test_sys.cpu[i].mem = test_sys.physmem | 115 server_sys.cpu[i].connectMemPorts(server_sys.membus) 116 server_sys.cpu[i].mem = server_sys.physmem |
140 141if len(bm) == 2: | 117 118if len(bm) == 2: |
142 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1]) 143 drive_sys.cpu = DriveCPUClass(cpu_id=0) 144 drive_sys.cpu.connectMemPorts(drive_sys.membus) 145 drive_sys.cpu.mem = drive_sys.physmem 146 root = makeDualRoot(test_sys, drive_sys, options.etherdump) | 119 client_sys = makeLinuxAlphaSystem(client_mem_mode, bm[1]) 120 client_sys.cpu = ClientCPUClass(cpu_id=0) 121 client_sys.cpu.connectMemPorts(client_sys.membus) 122 client_sys.cpu.mem = client_sys.physmem 123 root = makeDualRoot(server_sys, client_sys, options.etherdump) |
147elif len(bm) == 1: | 124elif len(bm) == 1: |
148 root = Root(clock = '1THz', system = test_sys) | 125 root = Root(clock = '1THz', system = server_sys) |
149else: 150 print "Error I don't know how to create more than 2 systems." 151 sys.exit(1) 152 | 126else: 127 print "Error I don't know how to create more than 2 systems." 128 sys.exit(1) 129 |
153if options.standard_switch: 154 switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i) for i in xrange(np))] 155 switch_cpus1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i) for i in xrange(np))] 156 for i in xrange(np): 157 switch_cpus[i].system = test_sys 158 switch_cpus1[i].system = test_sys 159 switch_cpus[i].clock = TestCPUClass.clock 160 switch_cpus1[i].clock = TestCPUClass.clock 161 if options.caches: 162 switch_cpus[i].addPrivateSplitL1Caches(MyCache(size = '32kB'), 163 MyCache(size = '64kB')) 164 165 switch_cpus[i].mem = test_sys.physmem 166 switch_cpus1[i].mem = test_sys.physmem 167 switch_cpus[i].connectMemPorts(test_sys.membus) 168 root.switch_cpus = switch_cpus 169 root.switch_cpus1 = switch_cpus1 170 switch_cpu_list = [(test_sys.cpu[i], switch_cpus[i]) for i in xrange(np)] 171 switch_cpu_list1 = [(switch_cpus[i], switch_cpus1[i]) for i in xrange(np)] 172 | |
173m5.instantiate(root) 174 | 130m5.instantiate(root) 131 |
175if options.checkpoint_dir: 176 cptdir = options.checkpoint_dir 177else: 178 cptdir = getcwd() 179 180if options.checkpoint_restore: | 132if options.checkpoint: |
181 from os.path import isdir 182 from os import listdir, getcwd 183 import re | 133 from os.path import isdir 134 from os import listdir, getcwd 135 import re |
136 if options.checkpoint_dir: 137 cptdir = options.checkpoint_dir 138 else: 139 cptdir = getcwd() |
|
184 185 if not isdir(cptdir): 186 m5.panic("checkpoint dir %s does not exist!" % cptdir) 187 188 dirs = listdir(cptdir) 189 expr = re.compile('cpt.([0-9]*)') 190 cpts = [] 191 for dir in dirs: 192 match = expr.match(dir) 193 if match: 194 cpts.append(match.group(1)) 195 | 140 141 if not isdir(cptdir): 142 m5.panic("checkpoint dir %s does not exist!" % cptdir) 143 144 dirs = listdir(cptdir) 145 expr = re.compile('cpt.([0-9]*)') 146 cpts = [] 147 for dir in dirs: 148 match = expr.match(dir) 149 if match: 150 cpts.append(match.group(1)) 151 |
196 cpts.sort(lambda a,b: cmp(long(a), long(b))) | 152 if options.checkpoint > len(cpts): 153 m5.panic('Checkpoint %d not found' % options.checkpoint) |
197 | 154 |
198 if options.checkpoint_restore > len(cpts): 199 m5.panic('Checkpoint %d not found' % options.checkpoint_restore) | 155 m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint - 1]])) |
200 | 156 |
201 m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])) 202 203if options.standard_switch: 204 exit_event = m5.simulate(1000) 205 ## when you change to Timing (or Atomic), you halt the system given 206 ## as argument. When you are finished with the system changes 207 ## (including switchCpus), you must resume the system manually. 208 ## You DON'T need to resume after just switching CPUs if you haven't 209 ## changed anything on the system level. 210 m5.changeToTiming(test_sys) 211 m5.switchCpus(switch_cpu_list) 212 m5.resume(test_sys) 213 214 exit_event = m5.simulate(300000000000) 215 m5.switchCpus(switch_cpu_list1) 216 | |
217if options.maxtick: 218 maxtick = options.maxtick 219elif options.maxtime: 220 simtime = int(options.maxtime * root.clock.value) 221 print "simulating for: ", simtime 222 maxtick = simtime 223else: 224 maxtick = -1 225 | 157if options.maxtick: 158 maxtick = options.maxtick 159elif options.maxtime: 160 simtime = int(options.maxtime * root.clock.value) 161 print "simulating for: ", simtime 162 maxtick = simtime 163else: 164 maxtick = -1 165 |
226num_checkpoints = 0 | 166exit_event = m5.simulate(maxtick) |
227 | 167 |
228exit_cause = '' | 168while exit_event.getCause() == "checkpoint": 169 if options.checkpoint_dir: 170 m5.checkpoint(root, "/".join([options.checkpoint_dir, "cpt.%d"])) 171 else: 172 m5.checkpoint(root, "cpt.%d") |
229 | 173 |
230if options.take_checkpoints: 231 [when, period] = options.take_checkpoints.split(",", 1) 232 when = int(when) 233 period = int(period) | 174 if maxtick == -1: 175 exit_event = m5.simulate(maxtick) 176 else: 177 exit_event = m5.simulate(maxtick - m5.curTick()) |
234 | 178 |
235 exit_event = m5.simulate(when) 236 while exit_event.getCause() == "checkpoint": 237 exit_event = m5.simulate(when - m5.curTick()) 238 239 if exit_event.getCause() == "simulate() limit reached": 240 m5.checkpoint(root, cptdir + "cpt.%d") 241 num_checkpoints += 1 242 243 sim_ticks = when 244 exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints 245 while num_checkpoints < options.max_checkpoints: 246 if (sim_ticks + period) > maxtick and maxtick != -1: 247 exit_event = m5.simulate(maxtick - sim_ticks) 248 exit_cause = exit_event.getCause() 249 break 250 else: 251 exit_event = m5.simulate(period) 252 sim_ticks += period 253 while exit_event.getCause() == "checkpoint": 254 exit_event = m5.simulate(period - m5.curTick()) 255 if exit_event.getCause() == "simulate() limit reached": 256 m5.checkpoint(root, cptdir + "cpt.%d") 257 num_checkpoints += 1 258 259else: #no checkpoints being taken via this script 260 exit_event = m5.simulate(maxtick) 261 262 while exit_event.getCause() == "checkpoint": 263 m5.checkpoint(root, cptdir + "cpt.%d") 264 num_checkpoints += 1 265 if num_checkpoints == options.max_checkpoints: 266 exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints 267 break 268 269 if maxtick == -1: 270 exit_event = m5.simulate(maxtick) 271 else: 272 exit_event = m5.simulate(maxtick - m5.curTick()) 273 274 exit_cause = exit_event.getCause() 275 276if exit_cause == '': 277 exit_cause = exit_event.getCause() 278print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause | 179print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause() |