Simulation.py revision 3447
13395Shsul@eecs.umich.edu# Copyright (c) 2006 The Regents of The University of Michigan 23395Shsul@eecs.umich.edu# All rights reserved. 33395Shsul@eecs.umich.edu# 43395Shsul@eecs.umich.edu# Redistribution and use in source and binary forms, with or without 53395Shsul@eecs.umich.edu# modification, are permitted provided that the following conditions are 63395Shsul@eecs.umich.edu# met: redistributions of source code must retain the above copyright 73395Shsul@eecs.umich.edu# notice, this list of conditions and the following disclaimer; 83395Shsul@eecs.umich.edu# redistributions in binary form must reproduce the above copyright 93395Shsul@eecs.umich.edu# notice, this list of conditions and the following disclaimer in the 103395Shsul@eecs.umich.edu# documentation and/or other materials provided with the distribution; 113395Shsul@eecs.umich.edu# neither the name of the copyright holders nor the names of its 123395Shsul@eecs.umich.edu# contributors may be used to endorse or promote products derived from 133395Shsul@eecs.umich.edu# this software without specific prior written permission. 143395Shsul@eecs.umich.edu# 153395Shsul@eecs.umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 163395Shsul@eecs.umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 173395Shsul@eecs.umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 183395Shsul@eecs.umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 193395Shsul@eecs.umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 203395Shsul@eecs.umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 213395Shsul@eecs.umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 223395Shsul@eecs.umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 233395Shsul@eecs.umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 243395Shsul@eecs.umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 253395Shsul@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 263395Shsul@eecs.umich.edu# 273395Shsul@eecs.umich.edu# Authors: Lisa Hsu 283395Shsul@eecs.umich.edu 293395Shsul@eecs.umich.edufrom os import getcwd 303395Shsul@eecs.umich.eduimport m5 313395Shsul@eecs.umich.edufrom m5.objects import * 323395Shsul@eecs.umich.edum5.AddToPath('../common') 333395Shsul@eecs.umich.edufrom Caches import * 343395Shsul@eecs.umich.edu 353395Shsul@eecs.umich.edudef run(options, root, testsys): 363395Shsul@eecs.umich.edu if options.maxtick: 373395Shsul@eecs.umich.edu maxtick = options.maxtick 383395Shsul@eecs.umich.edu elif options.maxtime: 393395Shsul@eecs.umich.edu simtime = int(options.maxtime * root.clock.value) 403395Shsul@eecs.umich.edu print "simulating for: ", simtime 413395Shsul@eecs.umich.edu maxtick = simtime 423395Shsul@eecs.umich.edu else: 433395Shsul@eecs.umich.edu maxtick = -1 443395Shsul@eecs.umich.edu 453395Shsul@eecs.umich.edu if options.checkpoint_dir: 463395Shsul@eecs.umich.edu cptdir = options.checkpoint_dir 473395Shsul@eecs.umich.edu else: 483395Shsul@eecs.umich.edu cptdir = getcwd() 493395Shsul@eecs.umich.edu 503395Shsul@eecs.umich.edu np = options.num_cpus 513395Shsul@eecs.umich.edu max_checkpoints = options.max_checkpoints 523395Shsul@eecs.umich.edu 533395Shsul@eecs.umich.edu if options.standard_switch: 543395Shsul@eecs.umich.edu switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i)) 553395Shsul@eecs.umich.edu for i in xrange(np)] 563395Shsul@eecs.umich.edu switch_cpus1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i)) 573395Shsul@eecs.umich.edu for i in xrange(np)] 583395Shsul@eecs.umich.edu for i in xrange(np): 593395Shsul@eecs.umich.edu switch_cpus[i].system = testsys 603395Shsul@eecs.umich.edu switch_cpus1[i].system = testsys 613395Shsul@eecs.umich.edu if not m5.build_env['FULL_SYSTEM']: 623395Shsul@eecs.umich.edu switch_cpus[i].workload = testsys.cpu[i].workload 633395Shsul@eecs.umich.edu switch_cpus1[i].workload = testsys.cpu[i].workload 643395Shsul@eecs.umich.edu switch_cpus[i].clock = testsys.cpu[0].clock 653395Shsul@eecs.umich.edu switch_cpus1[i].clock = testsys.cpu[0].clock 663395Shsul@eecs.umich.edu if options.caches: 673395Shsul@eecs.umich.edu switch_cpus[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), 683395Shsul@eecs.umich.edu L1Cache(size = '64kB')) 693395Shsul@eecs.umich.edu 703395Shsul@eecs.umich.edu switch_cpus[i].mem = testsys.physmem 713395Shsul@eecs.umich.edu switch_cpus1[i].mem = testsys.physmem 723395Shsul@eecs.umich.edu switch_cpus[i].connectMemPorts(testsys.membus) 733395Shsul@eecs.umich.edu root.switch_cpus = switch_cpus 743395Shsul@eecs.umich.edu root.switch_cpus1 = switch_cpus1 753395Shsul@eecs.umich.edu switch_cpu_list = [(testsys.cpu[i], switch_cpus[i]) for i in xrange(np)] 763395Shsul@eecs.umich.edu switch_cpu_list1 = [(switch_cpus[i], switch_cpus1[i]) for i in xrange(np)] 773395Shsul@eecs.umich.edu 783395Shsul@eecs.umich.edu m5.instantiate(root) 793395Shsul@eecs.umich.edu 803395Shsul@eecs.umich.edu if options.checkpoint_restore: 813395Shsul@eecs.umich.edu from os.path import isdir 823395Shsul@eecs.umich.edu from os import listdir 833395Shsul@eecs.umich.edu import re 843395Shsul@eecs.umich.edu 853395Shsul@eecs.umich.edu if not isdir(cptdir): 863395Shsul@eecs.umich.edu m5.panic("checkpoint dir %s does not exist!" % cptdir) 873395Shsul@eecs.umich.edu 883395Shsul@eecs.umich.edu dirs = listdir(cptdir) 893395Shsul@eecs.umich.edu expr = re.compile('cpt.([0-9]*)') 903395Shsul@eecs.umich.edu cpts = [] 913395Shsul@eecs.umich.edu for dir in dirs: 923395Shsul@eecs.umich.edu match = expr.match(dir) 933395Shsul@eecs.umich.edu if match: 943395Shsul@eecs.umich.edu cpts.append(match.group(1)) 953395Shsul@eecs.umich.edu 963395Shsul@eecs.umich.edu cpts.sort(lambda a,b: cmp(long(a), long(b))) 973395Shsul@eecs.umich.edu 983395Shsul@eecs.umich.edu cpt_num = options.checkpoint_restore 993395Shsul@eecs.umich.edu 1003395Shsul@eecs.umich.edu if cpt_num > len(cpts): 1013395Shsul@eecs.umich.edu m5.panic('Checkpoint %d not found' % cpt_num) 1023395Shsul@eecs.umich.edu 1033395Shsul@eecs.umich.edu m5.restoreCheckpoint(root, 1043395Shsul@eecs.umich.edu "/".join([cptdir, "cpt.%s" % cpts[cpt_num - 1]])) 1053395Shsul@eecs.umich.edu 1063395Shsul@eecs.umich.edu if options.standard_switch: 1073395Shsul@eecs.umich.edu exit_event = m5.simulate(10000) 1083395Shsul@eecs.umich.edu 1093395Shsul@eecs.umich.edu ## when you change to Timing (or Atomic), you halt the system given 1103395Shsul@eecs.umich.edu ## as argument. When you are finished with the system changes 1113395Shsul@eecs.umich.edu ## (including switchCpus), you must resume the system manually. 1123395Shsul@eecs.umich.edu ## You DON'T need to resume after just switching CPUs if you haven't 1133395Shsul@eecs.umich.edu ## changed anything on the system level. 1143395Shsul@eecs.umich.edu 1153395Shsul@eecs.umich.edu m5.changeToTiming(testsys) 1163395Shsul@eecs.umich.edu m5.switchCpus(switch_cpu_list) 1173395Shsul@eecs.umich.edu m5.resume(testsys) 1183395Shsul@eecs.umich.edu 1193445Shsul@eecs.umich.edu exit_event = m5.simulate(options.warmup) 1203395Shsul@eecs.umich.edu m5.switchCpus(switch_cpu_list1) 1213395Shsul@eecs.umich.edu 1223395Shsul@eecs.umich.edu num_checkpoints = 0 1233395Shsul@eecs.umich.edu exit_cause = '' 1243395Shsul@eecs.umich.edu 1253410Shsul@eecs.umich.edu ## Checkpoints being taken via the command line at <when> and at subsequent 1263410Shsul@eecs.umich.edu ## periods of <period>. Checkpoint instructions received from the benchmark running 1273410Shsul@eecs.umich.edu ## are ignored and skipped in favor of command line checkpoint instructions. 1283395Shsul@eecs.umich.edu if options.take_checkpoints: 1293395Shsul@eecs.umich.edu [when, period] = options.take_checkpoints.split(",", 1) 1303395Shsul@eecs.umich.edu when = int(when) 1313395Shsul@eecs.umich.edu period = int(period) 1323395Shsul@eecs.umich.edu 1333395Shsul@eecs.umich.edu exit_event = m5.simulate(when) 1343395Shsul@eecs.umich.edu while exit_event.getCause() == "checkpoint": 1353395Shsul@eecs.umich.edu exit_event = m5.simulate(when - m5.curTick()) 1363395Shsul@eecs.umich.edu 1373395Shsul@eecs.umich.edu if exit_event.getCause() == "simulate() limit reached": 1383447Shsul@eecs.umich.edu m5.checkpoint(root, "/".join([cptdir,"cpt.%d"])) 1393395Shsul@eecs.umich.edu num_checkpoints += 1 1403395Shsul@eecs.umich.edu 1413395Shsul@eecs.umich.edu sim_ticks = when 1423395Shsul@eecs.umich.edu exit_cause = "maximum %d checkpoints dropped" % max_checkpoints 1433395Shsul@eecs.umich.edu while num_checkpoints < max_checkpoints: 1443395Shsul@eecs.umich.edu if (sim_ticks + period) > maxtick and maxtick != -1: 1453395Shsul@eecs.umich.edu exit_event = m5.simulate(maxtick - sim_ticks) 1463395Shsul@eecs.umich.edu exit_cause = exit_event.getCause() 1473395Shsul@eecs.umich.edu break 1483395Shsul@eecs.umich.edu else: 1493395Shsul@eecs.umich.edu exit_event = m5.simulate(period) 1503395Shsul@eecs.umich.edu sim_ticks += period 1513395Shsul@eecs.umich.edu while exit_event.getCause() == "checkpoint": 1523395Shsul@eecs.umich.edu exit_event = m5.simulate(sim_ticks - m5.curTick()) 1533395Shsul@eecs.umich.edu if exit_event.getCause() == "simulate() limit reached": 1543447Shsul@eecs.umich.edu m5.checkpoint(root, "/".join([cptdir,"cpt.%d"])) 1553395Shsul@eecs.umich.edu num_checkpoints += 1 1563395Shsul@eecs.umich.edu 1573395Shsul@eecs.umich.edu else: #no checkpoints being taken via this script 1583395Shsul@eecs.umich.edu exit_event = m5.simulate(maxtick) 1593395Shsul@eecs.umich.edu 1603395Shsul@eecs.umich.edu while exit_event.getCause() == "checkpoint": 1613447Shsul@eecs.umich.edu m5.checkpoint(root, "/".join([cptdir,"cpt.%d"])) 1623395Shsul@eecs.umich.edu num_checkpoints += 1 1633395Shsul@eecs.umich.edu if num_checkpoints == max_checkpoints: 1643395Shsul@eecs.umich.edu exit_cause = "maximum %d checkpoints dropped" % max_checkpoints 1653395Shsul@eecs.umich.edu break 1663395Shsul@eecs.umich.edu 1673395Shsul@eecs.umich.edu if maxtick == -1: 1683395Shsul@eecs.umich.edu exit_event = m5.simulate(maxtick) 1693395Shsul@eecs.umich.edu else: 1703395Shsul@eecs.umich.edu exit_event = m5.simulate(maxtick - m5.curTick()) 1713395Shsul@eecs.umich.edu 1723395Shsul@eecs.umich.edu exit_cause = exit_event.getCause() 1733395Shsul@eecs.umich.edu 1743395Shsul@eecs.umich.edu if exit_cause == '': 1753395Shsul@eecs.umich.edu exit_cause = exit_event.getCause() 1763395Shsul@eecs.umich.edu print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause 1773395Shsul@eecs.umich.edu 178