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Adding gem5 source to svn.

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git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
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friemel
2012-10-24 19:18:57 +00:00
parent f7ff71bd46
commit b41eec3f65
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simulators/gem5/util/checkpoint_aggregator.py Executable file
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# Copyright (c) 2009 The Regents of The University of Michigan
# Copyright (c) 2011 Advanced Micro Devices, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Lisa Hsu
from ConfigParser import ConfigParser
import gzip
import sys, re, optparse, os
class myCP(ConfigParser):
def __init__(self):
ConfigParser.__init__(self)
def optionxform(self, optionstr):
return optionstr
def aggregate(options, args):
merged = myCP()
page_ptr = 0
allfiles = os.listdir(os.getcwd())
cpts = []
for arg in args:
found = False
for f in allfiles:
if re.compile("cpt." + arg + ".\d+").search(f):
found = True
cpts.append(f)
break
if not found:
print "missing checkpoint: ", arg
sys.exit(1)
dirname = "-".join([options.prefix, "cpt"])
agg_name = "-".join(args)
print agg_name
fullpath = os.path.join("..", dirname, "cpt." + agg_name + ".10000")
if not os.path.isdir(fullpath):
os.system("mkdir -p " + fullpath)
elif os.path.isfile(fullpath + "/system.physmem.physmem"):
if os.path.isfile(fullpath + "/m5.cpt"):
print fullpath, " already done"
return
myfile = open(fullpath + "/system.physmem.physmem", "wb+")
merged_mem = gzip.GzipFile(fileobj=myfile, mode="wb")
max_curtick = 0
when = 0
for (i, arg) in enumerate(args):
print arg
config = myCP()
config.readfp(open(cpts[i] + "/m5.cpt"))
for sec in config.sections():
if re.compile("cpu").search(sec):
newsec = re.sub("cpu", "cpu" + str(i), sec)
merged.add_section(newsec)
if re.compile("workload$").search(sec):
merged.set(newsec, "M5_pid", i)
items = config.items(sec)
if options.alpha:
for item in items:
if item[0] == "ppn":
if config.getint(sec, "tag") != 0:
merged.set(newsec, item[0], int(item[1]) + page_ptr)
continue
elif item[0] == "asn":
tmp = re.compile("(.*).Entry(\d+)").search(sec).groups()
if config.has_option(tmp[0], "nlu"):
size = config.getint(tmp[0], "nlu")
if int(tmp[1]) < size:
merged.set(newsec, item[0], i)
continue
else:
merged.set(newsec, item[0], i)
continue
merged.set(newsec, item[0], item[1])
else:a #x86
for item in items:
if item[0] == "paddr":
merged.set(newsec, item[0], int(item[1]) + (page_ptr << 12))
continue
merged.set(newsec, item[0], item[1])
elif sec == "system":
pass
elif sec == "Globals":
tick = config.getint(sec, "curTick")
if tick > max_curtick:
max_curtick = tick
when = config.getint("system.cpu.tickEvent", "_when")
else:
if i == 0:
merged.add_section(sec)
for item in config.items(sec):
merged.set(sec, item[0], item[1])
if item[0] == "curtick":
merged.optionxform(str("curTick"))
elif item[0] == "numevents":
merged.optionxform(str("numEvents"))
page_ptr = page_ptr + int(config.get("system", "pagePtr"))
### memory stuff
f = open(cpts[i] + "/system.physmem.physmem", "rb")
gf = gzip.GzipFile(fileobj=f, mode="rb")
pages = int(config.get("system", "pagePtr"))
print "pages to be read: ", pages
x = 0
while x < pages:
if options.alpha:
bytesRead = gf.read(1 << 13)
else: #x86
bytesRead = gf.read(1 << 12)
merged_mem.write(bytesRead)
x += 1
gf.close()
f.close()
merged.add_section("system")
merged.set("system", "pagePtr", page_ptr)
merged.set("system", "nextPID", len(args))
print "WARNING: "
print "Make sure the simulation using this checkpoint has at least ",
if options.alpha:
print page_ptr, "x 8K of memory"
else: # assume x86
print page_ptr, "x 4K of memory"
merged.add_section("Globals")
merged.set("Globals", "curTick", max_curtick)
for i in xrange(len(args)):
merged.set("system.cpu" + str(i) + ".tickEvent", "_when", when)
merged.write(file(fullpath + "/m5.cpt", "wb"))
merged_mem.close()
myfile.close()
if __name__ == "__main__":
parser = optparse.OptionParser()
parser.add_option("--prefix", type="string", default="agg")
# If not alpha, then assume x86. Any other ISAs would need
# extra stuff in this script to appropriately parse their page tables
# and understand page sizes.
parser.add_option("--alpha", action="store_true")
(options, args) = parser.parse_args()
aggregate(options, args)