se.py (3402:db60546818d0) | se.py (3409:769707cf0664) |
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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 --- 20 unchanged lines hidden (view full) --- 29# Simple test script 30# 31# "m5 test.py" 32 33import m5 34from m5.objects import * 35import os, optparse, sys 36m5.AddToPath('../common') | 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 --- 20 unchanged lines hidden (view full) --- 29# Simple test script 30# 31# "m5 test.py" 32 33import m5 34from m5.objects import * 35import os, optparse, sys 36m5.AddToPath('../common') |
37import Simulation |
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37 38parser = optparse.OptionParser() 39 40# Benchmark options 41parser.add_option("-c", "--cmd", | 38 39parser = optparse.OptionParser() 40 41# Benchmark options 42parser.add_option("-c", "--cmd", |
42 default="../tests/test-progs/hello/bin/alpha/linux/hello", | 43 default="../../tests/test-progs/hello/bin/alpha/linux/hello", |
43 help="The binary to run in syscall emulation mode.") 44parser.add_option("-o", "--options", default="", 45 help="The options to pass to the binary, use \" \" around the entire\ 46 string.") 47parser.add_option("-i", "--input", default="", 48 help="A file of input to give to the binary.") 49 | 44 help="The binary to run in syscall emulation mode.") 45parser.add_option("-o", "--options", default="", 46 help="The options to pass to the binary, use \" \" around the entire\ 47 string.") 48parser.add_option("-i", "--input", default="", 49 help="A file of input to give to the binary.") 50 |
50# System options 51parser.add_option("-d", "--detailed", action="store_true") 52parser.add_option("-t", "--timing", action="store_true") 53parser.add_option("--caches", action="store_true") | 51execfile("Options.py") |
54 | 52 |
55# Run duration options 56parser.add_option("-m", "--maxtick", type="int") 57parser.add_option("--maxtime", type="float") 58 59#Checkpointing options 60###Note that performing checkpointing via python script files will override 61###checkpoint instructions built into binaries. 62parser.add_option("--take_checkpoints", action="store", type="string", 63 help="<M,N> will take checkpoint at cycle M and every N cycles \ 64 thereafter") 65parser.add_option("--max_checkpoints", action="store", type="int", 66 help="the maximum number of checkpoints to drop", 67 default=5) 68parser.add_option("--checkpoint_dir", action="store", type="string", 69 help="Place all checkpoints in this absolute directory") 70parser.add_option("-r", "--checkpoint_restore", action="store", type="int", 71 help="restore from checkpoint <N>") 72 73#CPU Switching - default switch model generally goes from a checkpoint 74#to a timing simple CPU with caches to warm up, then to detailed CPU for 75#data measurement 76parser.add_option("-s", "--standard_switch", action="store_true", 77 help="switch from one cpu mode to another") 78 | |
79(options, args) = parser.parse_args() 80 81if args: 82 print "Error: script doesn't take any positional arguments" 83 sys.exit(1) 84 | 53(options, args) = parser.parse_args() 54 55if args: 56 print "Error: script doesn't take any positional arguments" 57 sys.exit(1) 58 |
85class MyCache(BaseCache): 86 assoc = 2 87 block_size = 64 88 latency = 1 89 mshrs = 10 90 tgts_per_mshr = 5 91 | |
92process = LiveProcess() 93process.executable = options.cmd 94process.cmd = options.cmd + " " + options.options 95if options.input != "": 96 process.input = options.input 97 98if options.detailed: 99 #check for SMT workload --- 12 unchanged lines hidden (view full) --- 112 smt_process.cmd = wrkld + " " + options.options 113 if inputs and inputs[smt_idx]: 114 smt_process.input = inputs[smt_idx] 115 process += [smt_process, ] 116 smt_idx += 1 117 118 119if options.timing: | 59process = LiveProcess() 60process.executable = options.cmd 61process.cmd = options.cmd + " " + options.options 62if options.input != "": 63 process.input = options.input 64 65if options.detailed: 66 #check for SMT workload --- 12 unchanged lines hidden (view full) --- 79 smt_process.cmd = wrkld + " " + options.options 80 if inputs and inputs[smt_idx]: 81 smt_process.input = inputs[smt_idx] 82 process += [smt_process, ] 83 smt_idx += 1 84 85 86if options.timing: |
120 cpu = TimingSimpleCPU() | 87 CPUClass = TimingSimpleCPU 88 test_mem_mode = 'timing' |
121elif options.detailed: | 89elif options.detailed: |
122 cpu = DerivO3CPU() | 90 CPUClass = DerivO3CPU 91 test_mem_mode = 'timing' |
123else: | 92else: |
124 cpu = AtomicSimpleCPU() | 93 CPUClass = AtomicSimpleCPU 94 test_mem_mode = 'atomic' |
125 | 95 |
126cpu.workload = process 127cpu.cpu_id = 0 | 96CPUClass.clock = '2GHz' |
128 | 97 |
129system = System(cpu = cpu, | 98np = options.num_cpus 99 100system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)], |
130 physmem = PhysicalMemory(range=AddrRange("512MB")), | 101 physmem = PhysicalMemory(range=AddrRange("512MB")), |
131 membus = Bus()) | 102 membus = Bus(), mem_mode = test_mem_mode) 103 |
132system.physmem.port = system.membus.port | 104system.physmem.port = system.membus.port |
133system.cpu.connectMemPorts(system.membus) 134system.cpu.clock = '2GHz' 135if options.caches and not options.standard_switch: 136 system.cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'), 137 MyCache(size = '64kB')) | |
138 | 105 |
106for i in xrange(np): 107 if options.caches and not options.standard_switch: 108 system.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), 109 L2Cache(size = '64kB')) 110 system.cpu[i].connectMemPorts(system.membus) 111 system.cpu[i].mem = system.physmem 112 system.cpu[i].workload = process 113 |
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139root = Root(system = system) 140 | 114root = Root(system = system) 115 |
141if options.timing or options.detailed: 142 root.system.mem_mode = 'timing' 143 144if options.standard_switch: 145 switch_cpu = TimingSimpleCPU(defer_registration=True, cpu_id=1) 146 switch_cpu1 = DerivO3CPU(defer_registration=True, cpu_id=2) 147 switch_cpu.system = system 148 switch_cpu1.system = system 149 switch_cpu.clock = cpu.clock 150 switch_cpu1.clock = cpu.clock 151 if options.caches: 152 switch_cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'), 153 MyCache(size = '64kB')) 154 155 switch_cpu.workload = process 156 switch_cpu1.workload = process 157 switch_cpu.connectMemPorts(system.membus) 158 root.switch_cpu = switch_cpu 159 root.switch_cpu1 = switch_cpu1 160 switch_cpu_list = [(system.cpu, switch_cpu)] 161 switch_cpu_list1 = [(switch_cpu, switch_cpu1)] 162 163# instantiate configuration 164m5.instantiate(root) 165 166if options.checkpoint_dir: 167 cptdir = options.checkpoint_dir 168else: 169 cptdir = getcwd() 170 171if options.checkpoint_restore: 172 from os.path import isdir 173 from os import listdir, getcwd 174 import re 175 176 if not isdir(cptdir): 177 m5.panic("checkpoint dir %s does not exist!" % cptdir) 178 179 dirs = listdir(cptdir) 180 expr = re.compile('cpt.([0-9]*)') 181 cpts = [] 182 for dir in dirs: 183 match = expr.match(dir) 184 if match: 185 cpts.append(match.group(1)) 186 187 cpts.sort(lambda a,b: cmp(long(a), long(b))) 188 189 if options.checkpoint_restore > len(cpts): 190 m5.panic('Checkpoint %d not found' % options.checkpoint_restore) 191 192 print "restoring checkpoint from ","/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]]) 193 m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])) 194 195if options.standard_switch: 196 exit_event = m5.simulate(10000) 197 ## when you change to Timing (or Atomic), you halt the system given 198 ## as argument. When you are finished with the system changes 199 ## (including switchCpus), you must resume the system manually. 200 ## You DON'T need to resume after just switching CPUs if you haven't 201 ## changed anything on the system level. 202 m5.changeToTiming(system) 203 m5.switchCpus(switch_cpu_list) 204 m5.resume(system) 205 206 exit_event = m5.simulate(500000000000) 207 m5.switchCpus(switch_cpu_list1) 208 209if options.maxtick: 210 maxtick = options.maxtick 211elif options.maxtime: 212 simtime = int(options.maxtime * root.clock.value) 213 print "simulating for: ", simtime 214 maxtick = simtime 215else: 216 maxtick = -1 217 218num_checkpoints = 0 219 220exit_cause = '' 221 222if options.take_checkpoints: 223 [when, period] = options.take_checkpoints.split(",", 1) 224 when = int(when) 225 period = int(period) 226 227 exit_event = m5.simulate(when) 228 while exit_event.getCause() == "checkpoint": 229 exit_event = m5.simulate(when - m5.curTick()) 230 231 if exit_event.getCause() == "simulate() limit reached": 232 m5.checkpoint(root, cptdir + "cpt.%d") 233 num_checkpoints += 1 234 235 sim_ticks = when 236 exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints 237 while num_checkpoints < options.max_checkpoints: 238 if (sim_ticks + period) > maxtick and maxtick != -1: 239 exit_event = m5.simulate(maxtick - sim_ticks) 240 exit_cause = exit_event.getCause() 241 break 242 else: 243 exit_event = m5.simulate(period) 244 sim_ticks += period 245 while exit_event.getCause() == "checkpoint": 246 exit_event = m5.simulate(period - m5.curTick()) 247 if exit_event.getCause() == "simulate() limit reached": 248 m5.checkpoint(root, cptdir + "cpt.%d") 249 num_checkpoints += 1 250 251else: #no checkpoints being taken via this script 252 exit_event = m5.simulate(maxtick) 253 254 while exit_event.getCause() == "checkpoint": 255 m5.checkpoint(root, cptdir + "cpt.%d") 256 num_checkpoints += 1 257 if num_checkpoints == options.max_checkpoints: 258 exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints 259 break 260 261 if maxtick == -1: 262 exit_event = m5.simulate(maxtick) 263 else: 264 exit_event = m5.simulate(maxtick - m5.curTick()) 265 266 exit_cause = exit_event.getCause() 267 268if exit_cause == '': 269 exit_cause = exit_event.getCause() 270print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause 271 272 | 116Simulation.run(options, root, system) |