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#! /usr/bin/env python2.6
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"])
print dirname
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)
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):
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)
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])
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:
print sec
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", "page_ptr"))
### memory stuff
f = open(cpts[i] + "/system.physmem.physmem", "rb")
gf = gzip.GzipFile(fileobj=f, mode="rb")
bytes = int(config.get("system", "page_ptr")) << 13
print "bytes to be read: ", bytes
bytesRead = gf.read(int(config.get("system", "page_ptr")) << 13)
merged_mem.write(bytesRead)
gf.close()
f.close()
merged.add_section("system")
merged.set("system", "page_ptr", page_ptr)
print "WARNING: "
print "Make sure the simulation using this checkpoint has at least "
if page_ptr > (1<<20):
print "8G ",
elif page_ptr > (1<<19):
print "4G ",
elif page_ptr > (1<<18):
print "2G ",
elif page_ptr > (1<<17):
print "1G ",
elif page_ptr > (1<<16):
print "512KB ",
else:
print "this is a small sim, you're probably fine",
print "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")
(options, args) = parser.parse_args()
aggregate(options, args)
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