Simulation.py (3509:ff94a3eda992) Simulation.py (3511:8cb26619b6ec)
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
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.
14#
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.
26#
27# Authors: Lisa Hsu
28
29from os import getcwd
30from os.path import join as joinpath
31import m5
32from m5.objects import *
33m5.AddToPath('../common')
34from Caches import L1Cache
35
36def setCPUClass(options):
37
38 atomic = False
39 if options.timing:
40 TmpClass = TimingSimpleCPU
41 elif options.detailed:
42 TmpClass = DerivO3CPU
43 else:
44 TmpClass = AtomicSimpleCPU
45 atomic = True
46
47 CPUClass = None
48 test_mem_mode = 'atomic'
49
50 if not atomic:
51 if options.checkpoint_restore:
52 CPUClass = TmpClass
53 TmpClass = AtomicSimpleCPU
54 else:
55 test_mem_mode = 'timing'
56
57 return (TmpClass, test_mem_mode, CPUClass)
58
59
60def run(options, root, testsys, cpu_class):
61 if options.maxtick:
62 maxtick = options.maxtick
63 elif options.maxtime:
64 simtime = int(options.maxtime * root.clock.value)
65 print "simulating for: ", simtime
66 maxtick = simtime
67 else:
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
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.
14#
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.
26#
27# Authors: Lisa Hsu
28
29from os import getcwd
30from os.path import join as joinpath
31import m5
32from m5.objects import *
33m5.AddToPath('../common')
34from Caches import L1Cache
35
36def setCPUClass(options):
37
38 atomic = False
39 if options.timing:
40 TmpClass = TimingSimpleCPU
41 elif options.detailed:
42 TmpClass = DerivO3CPU
43 else:
44 TmpClass = AtomicSimpleCPU
45 atomic = True
46
47 CPUClass = None
48 test_mem_mode = 'atomic'
49
50 if not atomic:
51 if options.checkpoint_restore:
52 CPUClass = TmpClass
53 TmpClass = AtomicSimpleCPU
54 else:
55 test_mem_mode = 'timing'
56
57 return (TmpClass, test_mem_mode, CPUClass)
58
59
60def run(options, root, testsys, cpu_class):
61 if options.maxtick:
62 maxtick = options.maxtick
63 elif options.maxtime:
64 simtime = int(options.maxtime * root.clock.value)
65 print "simulating for: ", simtime
66 maxtick = simtime
67 else:
68 maxtick = -1
68 maxtick = m5.MaxTick
69
70 if options.checkpoint_dir:
71 cptdir = options.checkpoint_dir
72 else:
73 cptdir = getcwd()
74
75 np = options.num_cpus
76 max_checkpoints = options.max_checkpoints
77 switch_cpus = None
78
79 if cpu_class:
80 switch_cpus = [cpu_class(defer_registration=True, cpu_id=(np+i))
81 for i in xrange(np)]
82
83 for i in xrange(np):
84 switch_cpus[i].system = testsys
85 if not m5.build_env['FULL_SYSTEM']:
86 switch_cpus[i].workload = testsys.cpu[i].workload
87 switch_cpus[i].clock = testsys.cpu[0].clock
88 if options.caches:
89 switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
90 L1Cache(size = '64kB'))
91 switch_cpus[i].connectMemPorts(testsys.membus)
92
93 root.switch_cpus = switch_cpus
94 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
95
96 if options.standard_switch:
97 switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i))
98 for i in xrange(np)]
99 switch_cpus_1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i))
100 for i in xrange(np)]
101
102 for i in xrange(np):
103 switch_cpus[i].system = testsys
104 switch_cpus_1[i].system = testsys
105 if not m5.build_env['FULL_SYSTEM']:
106 switch_cpus[i].workload = testsys.cpu[i].workload
107 switch_cpus_1[i].workload = testsys.cpu[i].workload
108 switch_cpus[i].clock = testsys.cpu[0].clock
109 switch_cpus_1[i].clock = testsys.cpu[0].clock
110
111 if options.caches:
112 switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
113 L1Cache(size = '64kB'))
114 switch_cpus[i].connectMemPorts(testsys.membus)
115 else:
116 # O3 CPU must have a cache to work.
117 switch_cpus_1[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
118 L1Cache(size = '64kB'))
119 switch_cpus_1[i].connectMemPorts(testsys.membus)
120
121
122 root.switch_cpus = switch_cpus
123 root.switch_cpus_1 = switch_cpus_1
124 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
125 switch_cpu_list1 = [(switch_cpus[i], switch_cpus_1[i]) for i in xrange(np)]
126
127 m5.instantiate(root)
128
129 if options.checkpoint_restore:
130 from os.path import isdir
131 from os import listdir
132 import re
133
134 if not isdir(cptdir):
135 m5.panic("checkpoint dir %s does not exist!" % cptdir)
136
137 dirs = listdir(cptdir)
138 expr = re.compile('cpt.([0-9]*)')
139 cpts = []
140 for dir in dirs:
141 match = expr.match(dir)
142 if match:
143 cpts.append(match.group(1))
144
145 cpts.sort(lambda a,b: cmp(long(a), long(b)))
146
147 cpt_num = options.checkpoint_restore
148
149 if cpt_num > len(cpts):
150 m5.panic('Checkpoint %d not found' % cpt_num)
151
152 m5.restoreCheckpoint(root,
153 joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1]))
154
155 if options.standard_switch or cpu_class:
156 exit_event = m5.simulate(10000)
157
158 ## when you change to Timing (or Atomic), you halt the system given
159 ## as argument. When you are finished with the system changes
160 ## (including switchCpus), you must resume the system manually.
161 ## You DON'T need to resume after just switching CPUs if you haven't
162 ## changed anything on the system level.
163
164 m5.changeToTiming(testsys)
165 m5.switchCpus(switch_cpu_list)
166 m5.resume(testsys)
167
168 if options.standard_switch:
169 exit_event = m5.simulate(options.warmup)
170 m5.switchCpus(switch_cpu_list1)
171
172 num_checkpoints = 0
173 exit_cause = ''
174
175 ## Checkpoints being taken via the command line at <when> and at subsequent
176 ## periods of <period>. Checkpoint instructions received from the benchmark running
177 ## are ignored and skipped in favor of command line checkpoint instructions.
178 if options.take_checkpoints:
179 [when, period] = options.take_checkpoints.split(",", 1)
180 when = int(when)
181 period = int(period)
182
183 exit_event = m5.simulate(when)
184 while exit_event.getCause() == "checkpoint":
185 exit_event = m5.simulate(when - m5.curTick())
186
187 if exit_event.getCause() == "simulate() limit reached":
188 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
189 num_checkpoints += 1
190
191 sim_ticks = when
192 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
193 while num_checkpoints < max_checkpoints:
69
70 if options.checkpoint_dir:
71 cptdir = options.checkpoint_dir
72 else:
73 cptdir = getcwd()
74
75 np = options.num_cpus
76 max_checkpoints = options.max_checkpoints
77 switch_cpus = None
78
79 if cpu_class:
80 switch_cpus = [cpu_class(defer_registration=True, cpu_id=(np+i))
81 for i in xrange(np)]
82
83 for i in xrange(np):
84 switch_cpus[i].system = testsys
85 if not m5.build_env['FULL_SYSTEM']:
86 switch_cpus[i].workload = testsys.cpu[i].workload
87 switch_cpus[i].clock = testsys.cpu[0].clock
88 if options.caches:
89 switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
90 L1Cache(size = '64kB'))
91 switch_cpus[i].connectMemPorts(testsys.membus)
92
93 root.switch_cpus = switch_cpus
94 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
95
96 if options.standard_switch:
97 switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i))
98 for i in xrange(np)]
99 switch_cpus_1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i))
100 for i in xrange(np)]
101
102 for i in xrange(np):
103 switch_cpus[i].system = testsys
104 switch_cpus_1[i].system = testsys
105 if not m5.build_env['FULL_SYSTEM']:
106 switch_cpus[i].workload = testsys.cpu[i].workload
107 switch_cpus_1[i].workload = testsys.cpu[i].workload
108 switch_cpus[i].clock = testsys.cpu[0].clock
109 switch_cpus_1[i].clock = testsys.cpu[0].clock
110
111 if options.caches:
112 switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
113 L1Cache(size = '64kB'))
114 switch_cpus[i].connectMemPorts(testsys.membus)
115 else:
116 # O3 CPU must have a cache to work.
117 switch_cpus_1[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'),
118 L1Cache(size = '64kB'))
119 switch_cpus_1[i].connectMemPorts(testsys.membus)
120
121
122 root.switch_cpus = switch_cpus
123 root.switch_cpus_1 = switch_cpus_1
124 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
125 switch_cpu_list1 = [(switch_cpus[i], switch_cpus_1[i]) for i in xrange(np)]
126
127 m5.instantiate(root)
128
129 if options.checkpoint_restore:
130 from os.path import isdir
131 from os import listdir
132 import re
133
134 if not isdir(cptdir):
135 m5.panic("checkpoint dir %s does not exist!" % cptdir)
136
137 dirs = listdir(cptdir)
138 expr = re.compile('cpt.([0-9]*)')
139 cpts = []
140 for dir in dirs:
141 match = expr.match(dir)
142 if match:
143 cpts.append(match.group(1))
144
145 cpts.sort(lambda a,b: cmp(long(a), long(b)))
146
147 cpt_num = options.checkpoint_restore
148
149 if cpt_num > len(cpts):
150 m5.panic('Checkpoint %d not found' % cpt_num)
151
152 m5.restoreCheckpoint(root,
153 joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1]))
154
155 if options.standard_switch or cpu_class:
156 exit_event = m5.simulate(10000)
157
158 ## when you change to Timing (or Atomic), you halt the system given
159 ## as argument. When you are finished with the system changes
160 ## (including switchCpus), you must resume the system manually.
161 ## You DON'T need to resume after just switching CPUs if you haven't
162 ## changed anything on the system level.
163
164 m5.changeToTiming(testsys)
165 m5.switchCpus(switch_cpu_list)
166 m5.resume(testsys)
167
168 if options.standard_switch:
169 exit_event = m5.simulate(options.warmup)
170 m5.switchCpus(switch_cpu_list1)
171
172 num_checkpoints = 0
173 exit_cause = ''
174
175 ## Checkpoints being taken via the command line at <when> and at subsequent
176 ## periods of <period>. Checkpoint instructions received from the benchmark running
177 ## are ignored and skipped in favor of command line checkpoint instructions.
178 if options.take_checkpoints:
179 [when, period] = options.take_checkpoints.split(",", 1)
180 when = int(when)
181 period = int(period)
182
183 exit_event = m5.simulate(when)
184 while exit_event.getCause() == "checkpoint":
185 exit_event = m5.simulate(when - m5.curTick())
186
187 if exit_event.getCause() == "simulate() limit reached":
188 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
189 num_checkpoints += 1
190
191 sim_ticks = when
192 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
193 while num_checkpoints < max_checkpoints:
194 if (sim_ticks + period) > maxtick and maxtick != -1:
194 if (sim_ticks + period) > maxtick:
195 exit_event = m5.simulate(maxtick - sim_ticks)
196 exit_cause = exit_event.getCause()
197 break
198 else:
199 exit_event = m5.simulate(period)
200 sim_ticks += period
201 while exit_event.getCause() == "checkpoint":
202 exit_event = m5.simulate(sim_ticks - m5.curTick())
203 if exit_event.getCause() == "simulate() limit reached":
204 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
205 num_checkpoints += 1
206
207 else: #no checkpoints being taken via this script
208 exit_event = m5.simulate(maxtick)
209
210 while exit_event.getCause() == "checkpoint":
211 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
212 num_checkpoints += 1
213 if num_checkpoints == max_checkpoints:
214 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
215 break
216
195 exit_event = m5.simulate(maxtick - sim_ticks)
196 exit_cause = exit_event.getCause()
197 break
198 else:
199 exit_event = m5.simulate(period)
200 sim_ticks += period
201 while exit_event.getCause() == "checkpoint":
202 exit_event = m5.simulate(sim_ticks - m5.curTick())
203 if exit_event.getCause() == "simulate() limit reached":
204 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
205 num_checkpoints += 1
206
207 else: #no checkpoints being taken via this script
208 exit_event = m5.simulate(maxtick)
209
210 while exit_event.getCause() == "checkpoint":
211 m5.checkpoint(root, joinpath(cptdir, "cpt.%d"))
212 num_checkpoints += 1
213 if num_checkpoints == max_checkpoints:
214 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
215 break
216
217 if maxtick == -1:
218 exit_event = m5.simulate(maxtick)
219 else:
220 exit_event = m5.simulate(maxtick - m5.curTick())
221
217 exit_event = m5.simulate(maxtick - m5.curTick())
222 exit_cause = exit_event.getCause()
223
224 if exit_cause == '':
225 exit_cause = exit_event.getCause()
226 print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
227
218 exit_cause = exit_event.getCause()
219
220 if exit_cause == '':
221 exit_cause = exit_event.getCause()
222 print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
223