1# Copyright (c) 2006-2008 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

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185 options.take_checkpoints = checkpoint_inst
186 else:
187 options.take_checkpoints = offset
188 # Set all test cpus with the right number of instructions
189 # for the upcoming simulation
190 for i in xrange(np):
191 testsys.cpu[i].max_insts_any_thread = offset
192
193 checkpoint_dir = None
194 if options.checkpoint_restore != None:
195 from os.path import isdir, exists
196 from os import listdir
197 import re
198
199 if not isdir(cptdir):
200 fatal("checkpoint dir %s does not exist!", cptdir)
201

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206 if testsys.cpu[0].workload[0].simpoint == 0:
207 fatal('Unable to find simpoint')
208 inst += int(testsys.cpu[0].workload[0].simpoint)
209
210 checkpoint_dir = joinpath(cptdir,
211 "cpt.%s.%s" % (options.bench, inst))
212 if not exists(checkpoint_dir):
213 fatal("Unable to find checkpoint directory %s", checkpoint_dir)
214 else:
215 dirs = listdir(cptdir)
216 expr = re.compile('cpt\.([0-9]*)')
217 cpts = []
218 for dir in dirs:
219 match = expr.match(dir)
220 if match:
221 cpts.append(match.group(1))
222
223 cpts.sort(lambda a,b: cmp(long(a), long(b)))
224
225 cpt_num = options.checkpoint_restore
226
227 if cpt_num > len(cpts):
228 fatal('Checkpoint %d not found', cpt_num)
229
230 ## Adjust max tick based on our starting tick
231 maxtick = maxtick - int(cpts[cpt_num - 1])
232 checkpoint_dir = joinpath(cptdir, "cpt.%s" % cpts[cpt_num - 1])
233
234 m5.instantiate(checkpoint_dir)
235
236 if options.standard_switch or cpu_class:
237 if options.standard_switch:
238 print "Switch at instruction count:%s" % \
239 str(testsys.cpu[0].max_insts_any_thread)
240 exit_event = m5.simulate()
241 elif cpu_class and options.fast_forward:
242 print "Switch at instruction count:%s" % \

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