1# Copyright (c) 2012-2013 ARM Limited
2# All rights reserved
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2006-2008 The Regents of The University of Michigan
14# Copyright (c) 2010 Advanced Micro Devices, Inc.
15# All rights reserved.
16#
17# Redistribution and use in source and binary forms, with or without
18# modification, are permitted provided that the following conditions are
19# met: redistributions of source code must retain the above copyright
20# notice, this list of conditions and the following disclaimer;
21# redistributions in binary form must reproduce the above copyright
22# notice, this list of conditions and the following disclaimer in the
23# documentation and/or other materials provided with the distribution;
24# neither the name of the copyright holders nor the names of its
25# contributors may be used to endorse or promote products derived from
26# this software without specific prior written permission.
27#
28# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39#
40# Authors: Lisa Hsu
41
| 1# Copyright (c) 2012-2013 ARM Limited
2# All rights reserved
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2006-2008 The Regents of The University of Michigan
14# Copyright (c) 2010 Advanced Micro Devices, Inc.
15# All rights reserved.
16#
17# Redistribution and use in source and binary forms, with or without
18# modification, are permitted provided that the following conditions are
19# met: redistributions of source code must retain the above copyright
20# notice, this list of conditions and the following disclaimer;
21# redistributions in binary form must reproduce the above copyright
22# notice, this list of conditions and the following disclaimer in the
23# documentation and/or other materials provided with the distribution;
24# neither the name of the copyright holders nor the names of its
25# contributors may be used to endorse or promote products derived from
26# this software without specific prior written permission.
27#
28# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39#
40# Authors: Lisa Hsu
41
|
| 42from __future__ import print_function
43
|
42import sys
43from os import getcwd
44from os.path import join as joinpath
45
46from common import CpuConfig
47from common import MemConfig
48
49import m5
50from m5.defines import buildEnv
51from m5.objects import *
52from m5.util import *
53
54addToPath('../common')
55
56def getCPUClass(cpu_type):
57 """Returns the required cpu class and the mode of operation."""
58 cls = CpuConfig.get(cpu_type)
59 return cls, cls.memory_mode()
60
61def setCPUClass(options):
62 """Returns two cpu classes and the initial mode of operation.
63
64 Restoring from a checkpoint or fast forwarding through a benchmark
65 can be done using one type of cpu, and then the actual
66 simulation can be carried out using another type. This function
67 returns these two types of cpus and the initial mode of operation
68 depending on the options provided.
69 """
70
71 TmpClass, test_mem_mode = getCPUClass(options.cpu_type)
72 CPUClass = None
73 if TmpClass.require_caches() and \
74 not options.caches and not options.ruby:
75 fatal("%s must be used with caches" % options.cpu_type)
76
77 if options.checkpoint_restore != None:
78 if options.restore_with_cpu != options.cpu_type:
79 CPUClass = TmpClass
80 TmpClass, test_mem_mode = getCPUClass(options.restore_with_cpu)
81 elif options.fast_forward:
82 CPUClass = TmpClass
83 TmpClass = AtomicSimpleCPU
84 test_mem_mode = 'atomic'
85
86 # Ruby only supports atomic accesses in noncaching mode
87 if test_mem_mode == 'atomic' and options.ruby:
88 warn("Memory mode will be changed to atomic_noncaching")
89 test_mem_mode = 'atomic_noncaching'
90
91 return (TmpClass, test_mem_mode, CPUClass)
92
93def setMemClass(options):
94 """Returns a memory controller class."""
95
96 return MemConfig.get(options.mem_type)
97
98def setWorkCountOptions(system, options):
99 if options.work_item_id != None:
100 system.work_item_id = options.work_item_id
101 if options.num_work_ids != None:
102 system.num_work_ids = options.num_work_ids
103 if options.work_begin_cpu_id_exit != None:
104 system.work_begin_cpu_id_exit = options.work_begin_cpu_id_exit
105 if options.work_end_exit_count != None:
106 system.work_end_exit_count = options.work_end_exit_count
107 if options.work_end_checkpoint_count != None:
108 system.work_end_ckpt_count = options.work_end_checkpoint_count
109 if options.work_begin_exit_count != None:
110 system.work_begin_exit_count = options.work_begin_exit_count
111 if options.work_begin_checkpoint_count != None:
112 system.work_begin_ckpt_count = options.work_begin_checkpoint_count
113 if options.work_cpus_checkpoint_count != None:
114 system.work_cpus_ckpt_count = options.work_cpus_checkpoint_count
115
116def findCptDir(options, cptdir, testsys):
117 """Figures out the directory from which the checkpointed state is read.
118
119 There are two different ways in which the directories holding checkpoints
120 can be named --
121 1. cpt.<benchmark name>.<instruction count when the checkpoint was taken>
122 2. cpt.<some number, usually the tick value when the checkpoint was taken>
123
124 This function parses through the options to figure out which one of the
125 above should be used for selecting the checkpoint, and then figures out
126 the appropriate directory.
127 """
128
129 from os.path import isdir, exists
130 from os import listdir
131 import re
132
133 if not isdir(cptdir):
134 fatal("checkpoint dir %s does not exist!", cptdir)
135
136 cpt_starttick = 0
137 if options.at_instruction or options.simpoint:
138 inst = options.checkpoint_restore
139 if options.simpoint:
140 # assume workload 0 has the simpoint
141 if testsys.cpu[0].workload[0].simpoint == 0:
142 fatal('Unable to find simpoint')
143 inst += int(testsys.cpu[0].workload[0].simpoint)
144
145 checkpoint_dir = joinpath(cptdir, "cpt.%s.%s" % (options.bench, inst))
146 if not exists(checkpoint_dir):
147 fatal("Unable to find checkpoint directory %s", checkpoint_dir)
148
149 elif options.restore_simpoint_checkpoint:
150 # Restore from SimPoint checkpoints
151 # Assumes that the checkpoint dir names are formatted as follows:
152 dirs = listdir(cptdir)
153 expr = re.compile('cpt\.simpoint_(\d+)_inst_(\d+)' +
154 '_weight_([\d\.e\-]+)_interval_(\d+)_warmup_(\d+)')
155 cpts = []
156 for dir in dirs:
157 match = expr.match(dir)
158 if match:
159 cpts.append(dir)
160 cpts.sort()
161
162 cpt_num = options.checkpoint_restore
163 if cpt_num > len(cpts):
164 fatal('Checkpoint %d not found', cpt_num)
165 checkpoint_dir = joinpath(cptdir, cpts[cpt_num - 1])
166 match = expr.match(cpts[cpt_num - 1])
167 if match:
168 index = int(match.group(1))
169 start_inst = int(match.group(2))
170 weight_inst = float(match.group(3))
171 interval_length = int(match.group(4))
172 warmup_length = int(match.group(5))
| 44import sys
45from os import getcwd
46from os.path import join as joinpath
47
48from common import CpuConfig
49from common import MemConfig
50
51import m5
52from m5.defines import buildEnv
53from m5.objects import *
54from m5.util import *
55
56addToPath('../common')
57
58def getCPUClass(cpu_type):
59 """Returns the required cpu class and the mode of operation."""
60 cls = CpuConfig.get(cpu_type)
61 return cls, cls.memory_mode()
62
63def setCPUClass(options):
64 """Returns two cpu classes and the initial mode of operation.
65
66 Restoring from a checkpoint or fast forwarding through a benchmark
67 can be done using one type of cpu, and then the actual
68 simulation can be carried out using another type. This function
69 returns these two types of cpus and the initial mode of operation
70 depending on the options provided.
71 """
72
73 TmpClass, test_mem_mode = getCPUClass(options.cpu_type)
74 CPUClass = None
75 if TmpClass.require_caches() and \
76 not options.caches and not options.ruby:
77 fatal("%s must be used with caches" % options.cpu_type)
78
79 if options.checkpoint_restore != None:
80 if options.restore_with_cpu != options.cpu_type:
81 CPUClass = TmpClass
82 TmpClass, test_mem_mode = getCPUClass(options.restore_with_cpu)
83 elif options.fast_forward:
84 CPUClass = TmpClass
85 TmpClass = AtomicSimpleCPU
86 test_mem_mode = 'atomic'
87
88 # Ruby only supports atomic accesses in noncaching mode
89 if test_mem_mode == 'atomic' and options.ruby:
90 warn("Memory mode will be changed to atomic_noncaching")
91 test_mem_mode = 'atomic_noncaching'
92
93 return (TmpClass, test_mem_mode, CPUClass)
94
95def setMemClass(options):
96 """Returns a memory controller class."""
97
98 return MemConfig.get(options.mem_type)
99
100def setWorkCountOptions(system, options):
101 if options.work_item_id != None:
102 system.work_item_id = options.work_item_id
103 if options.num_work_ids != None:
104 system.num_work_ids = options.num_work_ids
105 if options.work_begin_cpu_id_exit != None:
106 system.work_begin_cpu_id_exit = options.work_begin_cpu_id_exit
107 if options.work_end_exit_count != None:
108 system.work_end_exit_count = options.work_end_exit_count
109 if options.work_end_checkpoint_count != None:
110 system.work_end_ckpt_count = options.work_end_checkpoint_count
111 if options.work_begin_exit_count != None:
112 system.work_begin_exit_count = options.work_begin_exit_count
113 if options.work_begin_checkpoint_count != None:
114 system.work_begin_ckpt_count = options.work_begin_checkpoint_count
115 if options.work_cpus_checkpoint_count != None:
116 system.work_cpus_ckpt_count = options.work_cpus_checkpoint_count
117
118def findCptDir(options, cptdir, testsys):
119 """Figures out the directory from which the checkpointed state is read.
120
121 There are two different ways in which the directories holding checkpoints
122 can be named --
123 1. cpt.<benchmark name>.<instruction count when the checkpoint was taken>
124 2. cpt.<some number, usually the tick value when the checkpoint was taken>
125
126 This function parses through the options to figure out which one of the
127 above should be used for selecting the checkpoint, and then figures out
128 the appropriate directory.
129 """
130
131 from os.path import isdir, exists
132 from os import listdir
133 import re
134
135 if not isdir(cptdir):
136 fatal("checkpoint dir %s does not exist!", cptdir)
137
138 cpt_starttick = 0
139 if options.at_instruction or options.simpoint:
140 inst = options.checkpoint_restore
141 if options.simpoint:
142 # assume workload 0 has the simpoint
143 if testsys.cpu[0].workload[0].simpoint == 0:
144 fatal('Unable to find simpoint')
145 inst += int(testsys.cpu[0].workload[0].simpoint)
146
147 checkpoint_dir = joinpath(cptdir, "cpt.%s.%s" % (options.bench, inst))
148 if not exists(checkpoint_dir):
149 fatal("Unable to find checkpoint directory %s", checkpoint_dir)
150
151 elif options.restore_simpoint_checkpoint:
152 # Restore from SimPoint checkpoints
153 # Assumes that the checkpoint dir names are formatted as follows:
154 dirs = listdir(cptdir)
155 expr = re.compile('cpt\.simpoint_(\d+)_inst_(\d+)' +
156 '_weight_([\d\.e\-]+)_interval_(\d+)_warmup_(\d+)')
157 cpts = []
158 for dir in dirs:
159 match = expr.match(dir)
160 if match:
161 cpts.append(dir)
162 cpts.sort()
163
164 cpt_num = options.checkpoint_restore
165 if cpt_num > len(cpts):
166 fatal('Checkpoint %d not found', cpt_num)
167 checkpoint_dir = joinpath(cptdir, cpts[cpt_num - 1])
168 match = expr.match(cpts[cpt_num - 1])
169 if match:
170 index = int(match.group(1))
171 start_inst = int(match.group(2))
172 weight_inst = float(match.group(3))
173 interval_length = int(match.group(4))
174 warmup_length = int(match.group(5))
|
173 print "Resuming from", checkpoint_dir
| 175 print("Resuming from", checkpoint_dir)
|
174 simpoint_start_insts = []
175 simpoint_start_insts.append(warmup_length)
176 simpoint_start_insts.append(warmup_length + interval_length)
177 testsys.cpu[0].simpoint_start_insts = simpoint_start_insts
178 if testsys.switch_cpus != None:
179 testsys.switch_cpus[0].simpoint_start_insts = simpoint_start_insts
180
| 176 simpoint_start_insts = []
177 simpoint_start_insts.append(warmup_length)
178 simpoint_start_insts.append(warmup_length + interval_length)
179 testsys.cpu[0].simpoint_start_insts = simpoint_start_insts
180 if testsys.switch_cpus != None:
181 testsys.switch_cpus[0].simpoint_start_insts = simpoint_start_insts
182
|
181 print "Resuming from SimPoint",
182 print "#%d, start_inst:%d, weight:%f, interval:%d, warmup:%d" % \
183 (index, start_inst, weight_inst, interval_length, warmup_length)
| 183 print("Resuming from SimPoint", end=' ')
184 print("#%d, start_inst:%d, weight:%f, interval:%d, warmup:%d" %
185 (index, start_inst, weight_inst, interval_length, warmup_length))
|
184
185 else:
186 dirs = listdir(cptdir)
187 expr = re.compile('cpt\.([0-9]+)')
188 cpts = []
189 for dir in dirs:
190 match = expr.match(dir)
191 if match:
192 cpts.append(match.group(1))
193
194 cpts.sort(lambda a,b: cmp(long(a), long(b)))
195
196 cpt_num = options.checkpoint_restore
197 if cpt_num > len(cpts):
198 fatal('Checkpoint %d not found', cpt_num)
199
200 cpt_starttick = int(cpts[cpt_num - 1])
201 checkpoint_dir = joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1])
202
203 return cpt_starttick, checkpoint_dir
204
205def scriptCheckpoints(options, maxtick, cptdir):
206 if options.at_instruction or options.simpoint:
207 checkpoint_inst = int(options.take_checkpoints)
208
209 # maintain correct offset if we restored from some instruction
210 if options.checkpoint_restore != None:
211 checkpoint_inst += options.checkpoint_restore
212
| 186
187 else:
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
196 cpts.sort(lambda a,b: cmp(long(a), long(b)))
197
198 cpt_num = options.checkpoint_restore
199 if cpt_num > len(cpts):
200 fatal('Checkpoint %d not found', cpt_num)
201
202 cpt_starttick = int(cpts[cpt_num - 1])
203 checkpoint_dir = joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1])
204
205 return cpt_starttick, checkpoint_dir
206
207def scriptCheckpoints(options, maxtick, cptdir):
208 if options.at_instruction or options.simpoint:
209 checkpoint_inst = int(options.take_checkpoints)
210
211 # maintain correct offset if we restored from some instruction
212 if options.checkpoint_restore != None:
213 checkpoint_inst += options.checkpoint_restore
214
|
213 print "Creating checkpoint at inst:%d" % (checkpoint_inst)
| 215 print("Creating checkpoint at inst:%d" % (checkpoint_inst))
|
214 exit_event = m5.simulate()
215 exit_cause = exit_event.getCause()
| 216 exit_event = m5.simulate()
217 exit_cause = exit_event.getCause()
|
216 print "exit cause = %s" % exit_cause
| 218 print("exit cause = %s" % exit_cause)
|
217
218 # skip checkpoint instructions should they exist
219 while exit_cause == "checkpoint":
220 exit_event = m5.simulate()
221 exit_cause = exit_event.getCause()
222
223 if exit_cause == "a thread reached the max instruction count":
224 m5.checkpoint(joinpath(cptdir, "cpt.%s.%d" % \
225 (options.bench, checkpoint_inst)))
| 219
220 # skip checkpoint instructions should they exist
221 while exit_cause == "checkpoint":
222 exit_event = m5.simulate()
223 exit_cause = exit_event.getCause()
224
225 if exit_cause == "a thread reached the max instruction count":
226 m5.checkpoint(joinpath(cptdir, "cpt.%s.%d" % \
227 (options.bench, checkpoint_inst)))
|
226 print "Checkpoint written."
| 228 print("Checkpoint written.")
|
227
228 else:
229 when, period = options.take_checkpoints.split(",", 1)
230 when = int(when)
231 period = int(period)
232 num_checkpoints = 0
233
234 exit_event = m5.simulate(when - m5.curTick())
235 exit_cause = exit_event.getCause()
236 while exit_cause == "checkpoint":
237 exit_event = m5.simulate(when - m5.curTick())
238 exit_cause = exit_event.getCause()
239
240 if exit_cause == "simulate() limit reached":
241 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
242 num_checkpoints += 1
243
244 sim_ticks = when
245 max_checkpoints = options.max_checkpoints
246
247 while num_checkpoints < max_checkpoints and \
248 exit_cause == "simulate() limit reached":
249 if (sim_ticks + period) > maxtick:
250 exit_event = m5.simulate(maxtick - sim_ticks)
251 exit_cause = exit_event.getCause()
252 break
253 else:
254 exit_event = m5.simulate(period)
255 exit_cause = exit_event.getCause()
256 sim_ticks += period
257 while exit_event.getCause() == "checkpoint":
258 exit_event = m5.simulate(sim_ticks - m5.curTick())
259 if exit_event.getCause() == "simulate() limit reached":
260 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
261 num_checkpoints += 1
262
263 return exit_event
264
265def benchCheckpoints(options, maxtick, cptdir):
266 exit_event = m5.simulate(maxtick - m5.curTick())
267 exit_cause = exit_event.getCause()
268
269 num_checkpoints = 0
270 max_checkpoints = options.max_checkpoints
271
272 while exit_cause == "checkpoint":
273 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
274 num_checkpoints += 1
275 if num_checkpoints == max_checkpoints:
276 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
277 break
278
279 exit_event = m5.simulate(maxtick - m5.curTick())
280 exit_cause = exit_event.getCause()
281
282 return exit_event
283
284# Set up environment for taking SimPoint checkpoints
285# Expecting SimPoint files generated by SimPoint 3.2
286def parseSimpointAnalysisFile(options, testsys):
287 import re
288
289 simpoint_filename, weight_filename, interval_length, warmup_length = \
290 options.take_simpoint_checkpoints.split(",", 3)
| 229
230 else:
231 when, period = options.take_checkpoints.split(",", 1)
232 when = int(when)
233 period = int(period)
234 num_checkpoints = 0
235
236 exit_event = m5.simulate(when - m5.curTick())
237 exit_cause = exit_event.getCause()
238 while exit_cause == "checkpoint":
239 exit_event = m5.simulate(when - m5.curTick())
240 exit_cause = exit_event.getCause()
241
242 if exit_cause == "simulate() limit reached":
243 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
244 num_checkpoints += 1
245
246 sim_ticks = when
247 max_checkpoints = options.max_checkpoints
248
249 while num_checkpoints < max_checkpoints and \
250 exit_cause == "simulate() limit reached":
251 if (sim_ticks + period) > maxtick:
252 exit_event = m5.simulate(maxtick - sim_ticks)
253 exit_cause = exit_event.getCause()
254 break
255 else:
256 exit_event = m5.simulate(period)
257 exit_cause = exit_event.getCause()
258 sim_ticks += period
259 while exit_event.getCause() == "checkpoint":
260 exit_event = m5.simulate(sim_ticks - m5.curTick())
261 if exit_event.getCause() == "simulate() limit reached":
262 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
263 num_checkpoints += 1
264
265 return exit_event
266
267def benchCheckpoints(options, maxtick, cptdir):
268 exit_event = m5.simulate(maxtick - m5.curTick())
269 exit_cause = exit_event.getCause()
270
271 num_checkpoints = 0
272 max_checkpoints = options.max_checkpoints
273
274 while exit_cause == "checkpoint":
275 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
276 num_checkpoints += 1
277 if num_checkpoints == max_checkpoints:
278 exit_cause = "maximum %d checkpoints dropped" % max_checkpoints
279 break
280
281 exit_event = m5.simulate(maxtick - m5.curTick())
282 exit_cause = exit_event.getCause()
283
284 return exit_event
285
286# Set up environment for taking SimPoint checkpoints
287# Expecting SimPoint files generated by SimPoint 3.2
288def parseSimpointAnalysisFile(options, testsys):
289 import re
290
291 simpoint_filename, weight_filename, interval_length, warmup_length = \
292 options.take_simpoint_checkpoints.split(",", 3)
|
291 print "simpoint analysis file:", simpoint_filename
292 print "simpoint weight file:", weight_filename
293 print "interval length:", interval_length
294 print "warmup length:", warmup_length
| 293 print("simpoint analysis file:", simpoint_filename)
294 print("simpoint weight file:", weight_filename)
295 print("interval length:", interval_length)
296 print("warmup length:", warmup_length)
|
295
296 interval_length = int(interval_length)
297 warmup_length = int(warmup_length)
298
299 # Simpoint analysis output starts interval counts with 0.
300 simpoints = []
301 simpoint_start_insts = []
302
303 # Read in SimPoint analysis files
304 simpoint_file = open(simpoint_filename)
305 weight_file = open(weight_filename)
306 while True:
307 line = simpoint_file.readline()
308 if not line:
309 break
310 m = re.match("(\d+)\s+(\d+)", line)
311 if m:
312 interval = int(m.group(1))
313 else:
314 fatal('unrecognized line in simpoint file!')
315
316 line = weight_file.readline()
317 if not line:
318 fatal('not enough lines in simpoint weight file!')
319 m = re.match("([0-9\.e\-]+)\s+(\d+)", line)
320 if m:
321 weight = float(m.group(1))
322 else:
323 fatal('unrecognized line in simpoint weight file!')
324
325 if (interval * interval_length - warmup_length > 0):
326 starting_inst_count = \
327 interval * interval_length - warmup_length
328 actual_warmup_length = warmup_length
329 else:
330 # Not enough room for proper warmup
331 # Just starting from the beginning
332 starting_inst_count = 0
333 actual_warmup_length = interval * interval_length
334
335 simpoints.append((interval, weight, starting_inst_count,
336 actual_warmup_length))
337
338 # Sort SimPoints by starting inst count
339 simpoints.sort(key=lambda obj: obj[2])
340 for s in simpoints:
341 interval, weight, starting_inst_count, actual_warmup_length = s
| 297
298 interval_length = int(interval_length)
299 warmup_length = int(warmup_length)
300
301 # Simpoint analysis output starts interval counts with 0.
302 simpoints = []
303 simpoint_start_insts = []
304
305 # Read in SimPoint analysis files
306 simpoint_file = open(simpoint_filename)
307 weight_file = open(weight_filename)
308 while True:
309 line = simpoint_file.readline()
310 if not line:
311 break
312 m = re.match("(\d+)\s+(\d+)", line)
313 if m:
314 interval = int(m.group(1))
315 else:
316 fatal('unrecognized line in simpoint file!')
317
318 line = weight_file.readline()
319 if not line:
320 fatal('not enough lines in simpoint weight file!')
321 m = re.match("([0-9\.e\-]+)\s+(\d+)", line)
322 if m:
323 weight = float(m.group(1))
324 else:
325 fatal('unrecognized line in simpoint weight file!')
326
327 if (interval * interval_length - warmup_length > 0):
328 starting_inst_count = \
329 interval * interval_length - warmup_length
330 actual_warmup_length = warmup_length
331 else:
332 # Not enough room for proper warmup
333 # Just starting from the beginning
334 starting_inst_count = 0
335 actual_warmup_length = interval * interval_length
336
337 simpoints.append((interval, weight, starting_inst_count,
338 actual_warmup_length))
339
340 # Sort SimPoints by starting inst count
341 simpoints.sort(key=lambda obj: obj[2])
342 for s in simpoints:
343 interval, weight, starting_inst_count, actual_warmup_length = s
|
342 print str(interval), str(weight), starting_inst_count, \
343 actual_warmup_length
| 344 print(str(interval), str(weight), starting_inst_count,
345 actual_warmup_length)
|
344 simpoint_start_insts.append(starting_inst_count)
345
| 346 simpoint_start_insts.append(starting_inst_count)
347
|
346 print "Total # of simpoints:", len(simpoints)
| 348 print("Total # of simpoints:", len(simpoints))
|
347 testsys.cpu[0].simpoint_start_insts = simpoint_start_insts
348
349 return (simpoints, interval_length)
350
351def takeSimpointCheckpoints(simpoints, interval_length, cptdir):
352 num_checkpoints = 0
353 index = 0
354 last_chkpnt_inst_count = -1
355 for simpoint in simpoints:
356 interval, weight, starting_inst_count, actual_warmup_length = simpoint
357 if starting_inst_count == last_chkpnt_inst_count:
358 # checkpoint starting point same as last time
359 # (when warmup period longer than starting point)
360 exit_cause = "simpoint starting point found"
361 code = 0
362 else:
363 exit_event = m5.simulate()
364
365 # skip checkpoint instructions should they exist
366 while exit_event.getCause() == "checkpoint":
| 349 testsys.cpu[0].simpoint_start_insts = simpoint_start_insts
350
351 return (simpoints, interval_length)
352
353def takeSimpointCheckpoints(simpoints, interval_length, cptdir):
354 num_checkpoints = 0
355 index = 0
356 last_chkpnt_inst_count = -1
357 for simpoint in simpoints:
358 interval, weight, starting_inst_count, actual_warmup_length = simpoint
359 if starting_inst_count == last_chkpnt_inst_count:
360 # checkpoint starting point same as last time
361 # (when warmup period longer than starting point)
362 exit_cause = "simpoint starting point found"
363 code = 0
364 else:
365 exit_event = m5.simulate()
366
367 # skip checkpoint instructions should they exist
368 while exit_event.getCause() == "checkpoint":
|
367 print "Found 'checkpoint' exit event...ignoring..."
| 369 print("Found 'checkpoint' exit event...ignoring...")
|
368 exit_event = m5.simulate()
369
370 exit_cause = exit_event.getCause()
371 code = exit_event.getCode()
372
373 if exit_cause == "simpoint starting point found":
374 m5.checkpoint(joinpath(cptdir,
375 "cpt.simpoint_%02d_inst_%d_weight_%f_interval_%d_warmup_%d"
376 % (index, starting_inst_count, weight, interval_length,
377 actual_warmup_length)))
| 370 exit_event = m5.simulate()
371
372 exit_cause = exit_event.getCause()
373 code = exit_event.getCode()
374
375 if exit_cause == "simpoint starting point found":
376 m5.checkpoint(joinpath(cptdir,
377 "cpt.simpoint_%02d_inst_%d_weight_%f_interval_%d_warmup_%d"
378 % (index, starting_inst_count, weight, interval_length,
379 actual_warmup_length)))
|
378 print "Checkpoint #%d written. start inst:%d weight:%f" % \
379 (num_checkpoints, starting_inst_count, weight)
| 380 print("Checkpoint #%d written. start inst:%d weight:%f" %
381 (num_checkpoints, starting_inst_count, weight))
|
380 num_checkpoints += 1
381 last_chkpnt_inst_count = starting_inst_count
382 else:
383 break
384 index += 1
385
| 382 num_checkpoints += 1
383 last_chkpnt_inst_count = starting_inst_count
384 else:
385 break
386 index += 1
387
|
386 print 'Exiting @ tick %i because %s' % (m5.curTick(), exit_cause)
387 print "%d checkpoints taken" % num_checkpoints
| 388 print('Exiting @ tick %i because %s' % (m5.curTick(), exit_cause))
389 print("%d checkpoints taken" % num_checkpoints)
|
388 sys.exit(code)
389
390def restoreSimpointCheckpoint():
391 exit_event = m5.simulate()
392 exit_cause = exit_event.getCause()
393
394 if exit_cause == "simpoint starting point found":
| 390 sys.exit(code)
391
392def restoreSimpointCheckpoint():
393 exit_event = m5.simulate()
394 exit_cause = exit_event.getCause()
395
396 if exit_cause == "simpoint starting point found":
|
395 print "Warmed up! Dumping and resetting stats!"
| 397 print("Warmed up! Dumping and resetting stats!")
|
396 m5.stats.dump()
397 m5.stats.reset()
398
399 exit_event = m5.simulate()
400 exit_cause = exit_event.getCause()
401
402 if exit_cause == "simpoint starting point found":
| 398 m5.stats.dump()
399 m5.stats.reset()
400
401 exit_event = m5.simulate()
402 exit_cause = exit_event.getCause()
403
404 if exit_cause == "simpoint starting point found":
|
403 print "Done running SimPoint!"
| 405 print("Done running SimPoint!")
|
404 sys.exit(exit_event.getCode())
405
| 406 sys.exit(exit_event.getCode())
407
|
406 print 'Exiting @ tick %i because %s' % (m5.curTick(), exit_cause)
| 408 print('Exiting @ tick %i because %s' % (m5.curTick(), exit_cause))
|
407 sys.exit(exit_event.getCode())
408
409def repeatSwitch(testsys, repeat_switch_cpu_list, maxtick, switch_freq):
| 409 sys.exit(exit_event.getCode())
410
411def repeatSwitch(testsys, repeat_switch_cpu_list, maxtick, switch_freq):
|
410 print "starting switch loop"
| 412 print("starting switch loop")
|
411 while True:
412 exit_event = m5.simulate(switch_freq)
413 exit_cause = exit_event.getCause()
414
415 if exit_cause != "simulate() limit reached":
416 return exit_event
417
418 m5.switchCpus(testsys, repeat_switch_cpu_list)
419
420 tmp_cpu_list = []
421 for old_cpu, new_cpu in repeat_switch_cpu_list:
422 tmp_cpu_list.append((new_cpu, old_cpu))
423 repeat_switch_cpu_list = tmp_cpu_list
424
425 if (maxtick - m5.curTick()) <= switch_freq:
426 exit_event = m5.simulate(maxtick - m5.curTick())
427 return exit_event
428
429def run(options, root, testsys, cpu_class):
430 if options.checkpoint_dir:
431 cptdir = options.checkpoint_dir
432 elif m5.options.outdir:
433 cptdir = m5.options.outdir
434 else:
435 cptdir = getcwd()
436
437 if options.fast_forward and options.checkpoint_restore != None:
438 fatal("Can't specify both --fast-forward and --checkpoint-restore")
439
440 if options.standard_switch and not options.caches:
441 fatal("Must specify --caches when using --standard-switch")
442
443 if options.standard_switch and options.repeat_switch:
444 fatal("Can't specify both --standard-switch and --repeat-switch")
445
446 if options.repeat_switch and options.take_checkpoints:
447 fatal("Can't specify both --repeat-switch and --take-checkpoints")
448
449 np = options.num_cpus
450 switch_cpus = None
451
452 if options.prog_interval:
453 for i in xrange(np):
454 testsys.cpu[i].progress_interval = options.prog_interval
455
456 if options.maxinsts:
457 for i in xrange(np):
458 testsys.cpu[i].max_insts_any_thread = options.maxinsts
459
460 if cpu_class:
461 switch_cpus = [cpu_class(switched_out=True, cpu_id=(i))
462 for i in xrange(np)]
463
464 for i in xrange(np):
465 if options.fast_forward:
466 testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
467 switch_cpus[i].system = testsys
468 switch_cpus[i].workload = testsys.cpu[i].workload
469 switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
470 switch_cpus[i].progress_interval = \
471 testsys.cpu[i].progress_interval
472 switch_cpus[i].isa = testsys.cpu[i].isa
473 # simulation period
474 if options.maxinsts:
475 switch_cpus[i].max_insts_any_thread = options.maxinsts
476 # Add checker cpu if selected
477 if options.checker:
478 switch_cpus[i].addCheckerCpu()
479
480 # If elastic tracing is enabled attach the elastic trace probe
481 # to the switch CPUs
482 if options.elastic_trace_en:
483 CpuConfig.config_etrace(cpu_class, switch_cpus, options)
484
485 testsys.switch_cpus = switch_cpus
486 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
487
488 if options.repeat_switch:
489 switch_class = getCPUClass(options.cpu_type)[0]
490 if switch_class.require_caches() and \
491 not options.caches:
| 413 while True:
414 exit_event = m5.simulate(switch_freq)
415 exit_cause = exit_event.getCause()
416
417 if exit_cause != "simulate() limit reached":
418 return exit_event
419
420 m5.switchCpus(testsys, repeat_switch_cpu_list)
421
422 tmp_cpu_list = []
423 for old_cpu, new_cpu in repeat_switch_cpu_list:
424 tmp_cpu_list.append((new_cpu, old_cpu))
425 repeat_switch_cpu_list = tmp_cpu_list
426
427 if (maxtick - m5.curTick()) <= switch_freq:
428 exit_event = m5.simulate(maxtick - m5.curTick())
429 return exit_event
430
431def run(options, root, testsys, cpu_class):
432 if options.checkpoint_dir:
433 cptdir = options.checkpoint_dir
434 elif m5.options.outdir:
435 cptdir = m5.options.outdir
436 else:
437 cptdir = getcwd()
438
439 if options.fast_forward and options.checkpoint_restore != None:
440 fatal("Can't specify both --fast-forward and --checkpoint-restore")
441
442 if options.standard_switch and not options.caches:
443 fatal("Must specify --caches when using --standard-switch")
444
445 if options.standard_switch and options.repeat_switch:
446 fatal("Can't specify both --standard-switch and --repeat-switch")
447
448 if options.repeat_switch and options.take_checkpoints:
449 fatal("Can't specify both --repeat-switch and --take-checkpoints")
450
451 np = options.num_cpus
452 switch_cpus = None
453
454 if options.prog_interval:
455 for i in xrange(np):
456 testsys.cpu[i].progress_interval = options.prog_interval
457
458 if options.maxinsts:
459 for i in xrange(np):
460 testsys.cpu[i].max_insts_any_thread = options.maxinsts
461
462 if cpu_class:
463 switch_cpus = [cpu_class(switched_out=True, cpu_id=(i))
464 for i in xrange(np)]
465
466 for i in xrange(np):
467 if options.fast_forward:
468 testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
469 switch_cpus[i].system = testsys
470 switch_cpus[i].workload = testsys.cpu[i].workload
471 switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
472 switch_cpus[i].progress_interval = \
473 testsys.cpu[i].progress_interval
474 switch_cpus[i].isa = testsys.cpu[i].isa
475 # simulation period
476 if options.maxinsts:
477 switch_cpus[i].max_insts_any_thread = options.maxinsts
478 # Add checker cpu if selected
479 if options.checker:
480 switch_cpus[i].addCheckerCpu()
481
482 # If elastic tracing is enabled attach the elastic trace probe
483 # to the switch CPUs
484 if options.elastic_trace_en:
485 CpuConfig.config_etrace(cpu_class, switch_cpus, options)
486
487 testsys.switch_cpus = switch_cpus
488 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
489
490 if options.repeat_switch:
491 switch_class = getCPUClass(options.cpu_type)[0]
492 if switch_class.require_caches() and \
493 not options.caches:
|
492 print "%s: Must be used with caches" % str(switch_class)
| 494 print("%s: Must be used with caches" % str(switch_class))
|
493 sys.exit(1)
494 if not switch_class.support_take_over():
| 495 sys.exit(1)
496 if not switch_class.support_take_over():
|
495 print "%s: CPU switching not supported" % str(switch_class)
| 497 print("%s: CPU switching not supported" % str(switch_class))
|
496 sys.exit(1)
497
498 repeat_switch_cpus = [switch_class(switched_out=True, \
499 cpu_id=(i)) for i in xrange(np)]
500
501 for i in xrange(np):
502 repeat_switch_cpus[i].system = testsys
503 repeat_switch_cpus[i].workload = testsys.cpu[i].workload
504 repeat_switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
505 repeat_switch_cpus[i].isa = testsys.cpu[i].isa
506
507 if options.maxinsts:
508 repeat_switch_cpus[i].max_insts_any_thread = options.maxinsts
509
510 if options.checker:
511 repeat_switch_cpus[i].addCheckerCpu()
512
513 testsys.repeat_switch_cpus = repeat_switch_cpus
514
515 if cpu_class:
516 repeat_switch_cpu_list = [(switch_cpus[i], repeat_switch_cpus[i])
517 for i in xrange(np)]
518 else:
519 repeat_switch_cpu_list = [(testsys.cpu[i], repeat_switch_cpus[i])
520 for i in xrange(np)]
521
522 if options.standard_switch:
523 switch_cpus = [TimingSimpleCPU(switched_out=True, cpu_id=(i))
524 for i in xrange(np)]
525 switch_cpus_1 = [DerivO3CPU(switched_out=True, cpu_id=(i))
526 for i in xrange(np)]
527
528 for i in xrange(np):
529 switch_cpus[i].system = testsys
530 switch_cpus_1[i].system = testsys
531 switch_cpus[i].workload = testsys.cpu[i].workload
532 switch_cpus_1[i].workload = testsys.cpu[i].workload
533 switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
534 switch_cpus_1[i].clk_domain = testsys.cpu[i].clk_domain
535 switch_cpus[i].isa = testsys.cpu[i].isa
536 switch_cpus_1[i].isa = testsys.cpu[i].isa
537
538 # if restoring, make atomic cpu simulate only a few instructions
539 if options.checkpoint_restore != None:
540 testsys.cpu[i].max_insts_any_thread = 1
541 # Fast forward to specified location if we are not restoring
542 elif options.fast_forward:
543 testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
544 # Fast forward to a simpoint (warning: time consuming)
545 elif options.simpoint:
546 if testsys.cpu[i].workload[0].simpoint == 0:
547 fatal('simpoint not found')
548 testsys.cpu[i].max_insts_any_thread = \
549 testsys.cpu[i].workload[0].simpoint
550 # No distance specified, just switch
551 else:
552 testsys.cpu[i].max_insts_any_thread = 1
553
554 # warmup period
555 if options.warmup_insts:
556 switch_cpus[i].max_insts_any_thread = options.warmup_insts
557
558 # simulation period
559 if options.maxinsts:
560 switch_cpus_1[i].max_insts_any_thread = options.maxinsts
561
562 # attach the checker cpu if selected
563 if options.checker:
564 switch_cpus[i].addCheckerCpu()
565 switch_cpus_1[i].addCheckerCpu()
566
567 testsys.switch_cpus = switch_cpus
568 testsys.switch_cpus_1 = switch_cpus_1
569 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
570 switch_cpu_list1 = [(switch_cpus[i], switch_cpus_1[i]) for i in xrange(np)]
571
572 # set the checkpoint in the cpu before m5.instantiate is called
573 if options.take_checkpoints != None and \
574 (options.simpoint or options.at_instruction):
575 offset = int(options.take_checkpoints)
576 # Set an instruction break point
577 if options.simpoint:
578 for i in xrange(np):
579 if testsys.cpu[i].workload[0].simpoint == 0:
580 fatal('no simpoint for testsys.cpu[%d].workload[0]', i)
581 checkpoint_inst = int(testsys.cpu[i].workload[0].simpoint) + offset
582 testsys.cpu[i].max_insts_any_thread = checkpoint_inst
583 # used for output below
584 options.take_checkpoints = checkpoint_inst
585 else:
586 options.take_checkpoints = offset
587 # Set all test cpus with the right number of instructions
588 # for the upcoming simulation
589 for i in xrange(np):
590 testsys.cpu[i].max_insts_any_thread = offset
591
592 if options.take_simpoint_checkpoints != None:
593 simpoints, interval_length = parseSimpointAnalysisFile(options, testsys)
594
595 checkpoint_dir = None
596 if options.checkpoint_restore:
597 cpt_starttick, checkpoint_dir = findCptDir(options, cptdir, testsys)
598 m5.instantiate(checkpoint_dir)
599
600 # Initialization is complete. If we're not in control of simulation
601 # (that is, if we're a slave simulator acting as a component in another
602 # 'master' simulator) then we're done here. The other simulator will
603 # call simulate() directly. --initialize-only is used to indicate this.
604 if options.initialize_only:
605 return
606
607 # Handle the max tick settings now that tick frequency was resolved
608 # during system instantiation
609 # NOTE: the maxtick variable here is in absolute ticks, so it must
610 # include any simulated ticks before a checkpoint
611 explicit_maxticks = 0
612 maxtick_from_abs = m5.MaxTick
613 maxtick_from_rel = m5.MaxTick
614 maxtick_from_maxtime = m5.MaxTick
615 if options.abs_max_tick:
616 maxtick_from_abs = options.abs_max_tick
617 explicit_maxticks += 1
618 if options.rel_max_tick:
619 maxtick_from_rel = options.rel_max_tick
620 if options.checkpoint_restore:
621 # NOTE: this may need to be updated if checkpoints ever store
622 # the ticks per simulated second
623 maxtick_from_rel += cpt_starttick
624 if options.at_instruction or options.simpoint:
625 warn("Relative max tick specified with --at-instruction or" \
626 " --simpoint\n These options don't specify the " \
627 "checkpoint start tick, so assuming\n you mean " \
628 "absolute max tick")
629 explicit_maxticks += 1
630 if options.maxtime:
631 maxtick_from_maxtime = m5.ticks.fromSeconds(options.maxtime)
632 explicit_maxticks += 1
633 if explicit_maxticks > 1:
634 warn("Specified multiple of --abs-max-tick, --rel-max-tick, --maxtime."\
635 " Using least")
636 maxtick = min([maxtick_from_abs, maxtick_from_rel, maxtick_from_maxtime])
637
638 if options.checkpoint_restore != None and maxtick < cpt_starttick:
639 fatal("Bad maxtick (%d) specified: " \
640 "Checkpoint starts starts from tick: %d", maxtick, cpt_starttick)
641
642 if options.standard_switch or cpu_class:
643 if options.standard_switch:
| 498 sys.exit(1)
499
500 repeat_switch_cpus = [switch_class(switched_out=True, \
501 cpu_id=(i)) for i in xrange(np)]
502
503 for i in xrange(np):
504 repeat_switch_cpus[i].system = testsys
505 repeat_switch_cpus[i].workload = testsys.cpu[i].workload
506 repeat_switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
507 repeat_switch_cpus[i].isa = testsys.cpu[i].isa
508
509 if options.maxinsts:
510 repeat_switch_cpus[i].max_insts_any_thread = options.maxinsts
511
512 if options.checker:
513 repeat_switch_cpus[i].addCheckerCpu()
514
515 testsys.repeat_switch_cpus = repeat_switch_cpus
516
517 if cpu_class:
518 repeat_switch_cpu_list = [(switch_cpus[i], repeat_switch_cpus[i])
519 for i in xrange(np)]
520 else:
521 repeat_switch_cpu_list = [(testsys.cpu[i], repeat_switch_cpus[i])
522 for i in xrange(np)]
523
524 if options.standard_switch:
525 switch_cpus = [TimingSimpleCPU(switched_out=True, cpu_id=(i))
526 for i in xrange(np)]
527 switch_cpus_1 = [DerivO3CPU(switched_out=True, cpu_id=(i))
528 for i in xrange(np)]
529
530 for i in xrange(np):
531 switch_cpus[i].system = testsys
532 switch_cpus_1[i].system = testsys
533 switch_cpus[i].workload = testsys.cpu[i].workload
534 switch_cpus_1[i].workload = testsys.cpu[i].workload
535 switch_cpus[i].clk_domain = testsys.cpu[i].clk_domain
536 switch_cpus_1[i].clk_domain = testsys.cpu[i].clk_domain
537 switch_cpus[i].isa = testsys.cpu[i].isa
538 switch_cpus_1[i].isa = testsys.cpu[i].isa
539
540 # if restoring, make atomic cpu simulate only a few instructions
541 if options.checkpoint_restore != None:
542 testsys.cpu[i].max_insts_any_thread = 1
543 # Fast forward to specified location if we are not restoring
544 elif options.fast_forward:
545 testsys.cpu[i].max_insts_any_thread = int(options.fast_forward)
546 # Fast forward to a simpoint (warning: time consuming)
547 elif options.simpoint:
548 if testsys.cpu[i].workload[0].simpoint == 0:
549 fatal('simpoint not found')
550 testsys.cpu[i].max_insts_any_thread = \
551 testsys.cpu[i].workload[0].simpoint
552 # No distance specified, just switch
553 else:
554 testsys.cpu[i].max_insts_any_thread = 1
555
556 # warmup period
557 if options.warmup_insts:
558 switch_cpus[i].max_insts_any_thread = options.warmup_insts
559
560 # simulation period
561 if options.maxinsts:
562 switch_cpus_1[i].max_insts_any_thread = options.maxinsts
563
564 # attach the checker cpu if selected
565 if options.checker:
566 switch_cpus[i].addCheckerCpu()
567 switch_cpus_1[i].addCheckerCpu()
568
569 testsys.switch_cpus = switch_cpus
570 testsys.switch_cpus_1 = switch_cpus_1
571 switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)]
572 switch_cpu_list1 = [(switch_cpus[i], switch_cpus_1[i]) for i in xrange(np)]
573
574 # set the checkpoint in the cpu before m5.instantiate is called
575 if options.take_checkpoints != None and \
576 (options.simpoint or options.at_instruction):
577 offset = int(options.take_checkpoints)
578 # Set an instruction break point
579 if options.simpoint:
580 for i in xrange(np):
581 if testsys.cpu[i].workload[0].simpoint == 0:
582 fatal('no simpoint for testsys.cpu[%d].workload[0]', i)
583 checkpoint_inst = int(testsys.cpu[i].workload[0].simpoint) + offset
584 testsys.cpu[i].max_insts_any_thread = checkpoint_inst
585 # used for output below
586 options.take_checkpoints = checkpoint_inst
587 else:
588 options.take_checkpoints = offset
589 # Set all test cpus with the right number of instructions
590 # for the upcoming simulation
591 for i in xrange(np):
592 testsys.cpu[i].max_insts_any_thread = offset
593
594 if options.take_simpoint_checkpoints != None:
595 simpoints, interval_length = parseSimpointAnalysisFile(options, testsys)
596
597 checkpoint_dir = None
598 if options.checkpoint_restore:
599 cpt_starttick, checkpoint_dir = findCptDir(options, cptdir, testsys)
600 m5.instantiate(checkpoint_dir)
601
602 # Initialization is complete. If we're not in control of simulation
603 # (that is, if we're a slave simulator acting as a component in another
604 # 'master' simulator) then we're done here. The other simulator will
605 # call simulate() directly. --initialize-only is used to indicate this.
606 if options.initialize_only:
607 return
608
609 # Handle the max tick settings now that tick frequency was resolved
610 # during system instantiation
611 # NOTE: the maxtick variable here is in absolute ticks, so it must
612 # include any simulated ticks before a checkpoint
613 explicit_maxticks = 0
614 maxtick_from_abs = m5.MaxTick
615 maxtick_from_rel = m5.MaxTick
616 maxtick_from_maxtime = m5.MaxTick
617 if options.abs_max_tick:
618 maxtick_from_abs = options.abs_max_tick
619 explicit_maxticks += 1
620 if options.rel_max_tick:
621 maxtick_from_rel = options.rel_max_tick
622 if options.checkpoint_restore:
623 # NOTE: this may need to be updated if checkpoints ever store
624 # the ticks per simulated second
625 maxtick_from_rel += cpt_starttick
626 if options.at_instruction or options.simpoint:
627 warn("Relative max tick specified with --at-instruction or" \
628 " --simpoint\n These options don't specify the " \
629 "checkpoint start tick, so assuming\n you mean " \
630 "absolute max tick")
631 explicit_maxticks += 1
632 if options.maxtime:
633 maxtick_from_maxtime = m5.ticks.fromSeconds(options.maxtime)
634 explicit_maxticks += 1
635 if explicit_maxticks > 1:
636 warn("Specified multiple of --abs-max-tick, --rel-max-tick, --maxtime."\
637 " Using least")
638 maxtick = min([maxtick_from_abs, maxtick_from_rel, maxtick_from_maxtime])
639
640 if options.checkpoint_restore != None and maxtick < cpt_starttick:
641 fatal("Bad maxtick (%d) specified: " \
642 "Checkpoint starts starts from tick: %d", maxtick, cpt_starttick)
643
644 if options.standard_switch or cpu_class:
645 if options.standard_switch:
|
644 print "Switch at instruction count:%s" % \
645 str(testsys.cpu[0].max_insts_any_thread)
| 646 print("Switch at instruction count:%s" %
647 str(testsys.cpu[0].max_insts_any_thread))
|
646 exit_event = m5.simulate()
647 elif cpu_class and options.fast_forward:
| 648 exit_event = m5.simulate()
649 elif cpu_class and options.fast_forward:
|
648 print "Switch at instruction count:%s" % \
649 str(testsys.cpu[0].max_insts_any_thread)
| 650 print("Switch at instruction count:%s" %
651 str(testsys.cpu[0].max_insts_any_thread))
|
650 exit_event = m5.simulate()
651 else:
| 652 exit_event = m5.simulate()
653 else:
|
652 print "Switch at curTick count:%s" % str(10000)
| 654 print("Switch at curTick count:%s" % str(10000))
|
653 exit_event = m5.simulate(10000)
| 655 exit_event = m5.simulate(10000)
|
654 print "Switched CPUS @ tick %s" % (m5.curTick())
| 656 print("Switched CPUS @ tick %s" % (m5.curTick()))
|
655
656 m5.switchCpus(testsys, switch_cpu_list)
657
658 if options.standard_switch:
| 657
658 m5.switchCpus(testsys, switch_cpu_list)
659
660 if options.standard_switch:
|
659 print "Switch at instruction count:%d" % \
660 (testsys.switch_cpus[0].max_insts_any_thread)
| 661 print("Switch at instruction count:%d" %
662 (testsys.switch_cpus[0].max_insts_any_thread))
|
661
662 #warmup instruction count may have already been set
663 if options.warmup_insts:
664 exit_event = m5.simulate()
665 else:
666 exit_event = m5.simulate(options.standard_switch)
| 663
664 #warmup instruction count may have already been set
665 if options.warmup_insts:
666 exit_event = m5.simulate()
667 else:
668 exit_event = m5.simulate(options.standard_switch)
|
667 print "Switching CPUS @ tick %s" % (m5.curTick())
668 print "Simulation ends instruction count:%d" % \
669 (testsys.switch_cpus_1[0].max_insts_any_thread)
| 669 print("Switching CPUS @ tick %s" % (m5.curTick()))
670 print("Simulation ends instruction count:%d" %
671 (testsys.switch_cpus_1[0].max_insts_any_thread))
|
670 m5.switchCpus(testsys, switch_cpu_list1)
671
672 # If we're taking and restoring checkpoints, use checkpoint_dir
673 # option only for finding the checkpoints to restore from. This
674 # lets us test checkpointing by restoring from one set of
675 # checkpoints, generating a second set, and then comparing them.
676 if (options.take_checkpoints or options.take_simpoint_checkpoints) \
677 and options.checkpoint_restore:
678
679 if m5.options.outdir:
680 cptdir = m5.options.outdir
681 else:
682 cptdir = getcwd()
683
684 if options.take_checkpoints != None :
685 # Checkpoints being taken via the command line at <when> and at
686 # subsequent periods of <period>. Checkpoint instructions
687 # received from the benchmark running are ignored and skipped in
688 # favor of command line checkpoint instructions.
689 exit_event = scriptCheckpoints(options, maxtick, cptdir)
690
691 # Take SimPoint checkpoints
692 elif options.take_simpoint_checkpoints != None:
693 takeSimpointCheckpoints(simpoints, interval_length, cptdir)
694
695 # Restore from SimPoint checkpoints
696 elif options.restore_simpoint_checkpoint != None:
697 restoreSimpointCheckpoint()
698
699 else:
700 if options.fast_forward:
701 m5.stats.reset()
| 672 m5.switchCpus(testsys, switch_cpu_list1)
673
674 # If we're taking and restoring checkpoints, use checkpoint_dir
675 # option only for finding the checkpoints to restore from. This
676 # lets us test checkpointing by restoring from one set of
677 # checkpoints, generating a second set, and then comparing them.
678 if (options.take_checkpoints or options.take_simpoint_checkpoints) \
679 and options.checkpoint_restore:
680
681 if m5.options.outdir:
682 cptdir = m5.options.outdir
683 else:
684 cptdir = getcwd()
685
686 if options.take_checkpoints != None :
687 # Checkpoints being taken via the command line at <when> and at
688 # subsequent periods of <period>. Checkpoint instructions
689 # received from the benchmark running are ignored and skipped in
690 # favor of command line checkpoint instructions.
691 exit_event = scriptCheckpoints(options, maxtick, cptdir)
692
693 # Take SimPoint checkpoints
694 elif options.take_simpoint_checkpoints != None:
695 takeSimpointCheckpoints(simpoints, interval_length, cptdir)
696
697 # Restore from SimPoint checkpoints
698 elif options.restore_simpoint_checkpoint != None:
699 restoreSimpointCheckpoint()
700
701 else:
702 if options.fast_forward:
703 m5.stats.reset()
|
702 print "**** REAL SIMULATION ****"
| 704 print("**** REAL SIMULATION ****")
|
703
704 # If checkpoints are being taken, then the checkpoint instruction
705 # will occur in the benchmark code it self.
706 if options.repeat_switch and maxtick > options.repeat_switch:
707 exit_event = repeatSwitch(testsys, repeat_switch_cpu_list,
708 maxtick, options.repeat_switch)
709 else:
710 exit_event = benchCheckpoints(options, maxtick, cptdir)
711
| 705
706 # If checkpoints are being taken, then the checkpoint instruction
707 # will occur in the benchmark code it self.
708 if options.repeat_switch and maxtick > options.repeat_switch:
709 exit_event = repeatSwitch(testsys, repeat_switch_cpu_list,
710 maxtick, options.repeat_switch)
711 else:
712 exit_event = benchCheckpoints(options, maxtick, cptdir)
713
|
712 print 'Exiting @ tick %i because %s' % (m5.curTick(), exit_event.getCause())
| 714 print('Exiting @ tick %i because %s' %
715 (m5.curTick(), exit_event.getCause()))
|
713 if options.checkpoint_at_end:
714 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
715
716 if not m5.options.interactive:
717 sys.exit(exit_event.getCode())
| 716 if options.checkpoint_at_end:
717 m5.checkpoint(joinpath(cptdir, "cpt.%d"))
718
719 if not m5.options.interactive:
720 sys.exit(exit_event.getCode())
|