# Copyright (c) 2009 The Regents of The University of Michigan
# Copyright (c) 2011 Advanced Micro Devices, Inc.
+# Copyright (c) 2013 Mark D. Hill and David A. Wood
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Lisa Hsu
+# Nilay Vaish
from ConfigParser import ConfigParser
import gzip
-import sys, re, optparse, os
+import sys, re, os
class myCP(ConfigParser):
def __init__(self):
def optionxform(self, optionstr):
return optionstr
-def aggregate(options, args):
- merged = myCP()
+def aggregate(output_dir, cpts, no_compress, memory_size):
+ merged_config = None
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")
+ output_path = output_dir
+ if not os.path.isdir(output_path):
+ os.system("mkdir -p " + output_path)
+
+ agg_mem_file = open(output_path + "/system.physmem.store0.pmem", "wb+")
+ agg_config_file = open(output_path + "/m5.cpt", "wb+")
+
+ if not no_compress:
+ merged_mem = gzip.GzipFile(fileobj= agg_mem_file, mode="wb")
max_curtick = 0
- when = 0
- for (i, arg) in enumerate(args):
+ num_digits = len(str(len(cpts)-1))
+
+ for (i, arg) in enumerate(cpts):
print arg
+ merged_config = myCP()
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$").search(sec):
- merged.set(newsec, "M5_pid", i)
+ newsec = re.sub("cpu", "cpu" + str(i).zfill(num_digits), sec)
+ merged_config.add_section(newsec)
items = config.items(sec)
- if options.alpha:
- for item in items:
- if item[0] == "ppn":
- if config.getint(sec, "tag") != 0:
- merged.set(newsec, item[0], int(item[1]) + page_ptr)
- continue
- elif item[0] == "asn":
- tmp = re.compile("(.*).Entry(\d+)").search(sec).groups()
- if config.has_option(tmp[0], "nlu"):
- size = config.getint(tmp[0], "nlu")
- if int(tmp[1]) < size:
- merged.set(newsec, item[0], i)
- continue
- else:
- merged.set(newsec, item[0], i)
- continue
- merged.set(newsec, item[0], item[1])
- else:a #x86
- for item in items:
- if item[0] == "paddr":
- merged.set(newsec, item[0], int(item[1]) + (page_ptr << 12))
- continue
- merged.set(newsec, item[0], item[1])
+ for item in items:
+ if item[0] == "paddr":
+ merged_config.set(newsec, item[0], int(item[1]) + (page_ptr << 12))
+ continue
+ merged_config.set(newsec, item[0], item[1])
+
+ if re.compile("workload.FdMap256$").search(sec):
+ merged_config.set(newsec, "M5_pid", i)
elif sec == "system":
pass
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)
+ if i == len(cpts)-1:
+ merged_config.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"))
+ merged_config.set(sec, item[0], item[1])
- page_ptr = page_ptr + int(config.get("system", "pagePtr"))
+ if i != len(cpts)-1:
+ merged_config.write(agg_config_file)
### memory stuff
- f = open(cpts[i] + "/system.physmem.physmem", "rb")
- gf = gzip.GzipFile(fileobj=f, mode="rb")
pages = int(config.get("system", "pagePtr"))
+ page_ptr = page_ptr + pages
print "pages to be read: ", pages
+ f = open(cpts[i] + "/system.physmem.store0.pmem", "rb")
+ gf = gzip.GzipFile(fileobj=f, mode="rb")
+
x = 0
while x < pages:
- if options.alpha:
- bytesRead = gf.read(1 << 13)
- else: #x86
- bytesRead = gf.read(1 << 12)
- merged_mem.write(bytesRead)
+ bytesRead = gf.read(1 << 12)
+ if not no_compress:
+ merged_mem.write(bytesRead)
+ else:
+ agg_mem_file.write(bytesRead)
x += 1
gf.close()
f.close()
- merged.add_section("system")
- merged.set("system", "pagePtr", page_ptr)
- merged.set("system", "nextPID", len(args))
+ merged_config.add_section("system")
+ merged_config.set("system", "pagePtr", page_ptr)
+ merged_config.set("system", "nextPID", len(cpts))
+
+ file_size = page_ptr * 4 * 1024
+ dummy_data = "".zfill(4096)
+ while file_size < memory_size:
+ if not no_compress:
+ merged_mem.write(dummy_data)
+ else:
+ agg_mem_file.write(dummy_data)
+ file_size += 4 * 1024
+ page_ptr += 1
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"
+ print page_ptr, "x 4K of memory"
+ merged_config.set("system.physmem.store0", "range_size", page_ptr * 4 * 1024)
- merged.add_section("Globals")
- merged.set("Globals", "curTick", max_curtick)
+ merged_config.add_section("Globals")
+ merged_config.set("Globals", "curTick", max_curtick)
- for i in xrange(len(args)):
- merged.set("system.cpu" + str(i) + ".tickEvent", "_when", when)
+ merged_config.write(agg_config_file)
- merged.write(file(fullpath + "/m5.cpt", "wb"))
- merged_mem.close()
- myfile.close()
+ if not no_compress:
+ merged_mem.close()
+ agg_mem_file.close()
+ else:
+ agg_mem_file.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)
-
+ from argparse import ArgumentParser
+ parser = ArgumentParser("usage: %prog [options] <directory names which "\
+ "hold the checkpoints to be combined>")
+ parser.add_argument("-o", "--output-dir", action="store",
+ help="Output directory")
+ parser.add_argument("-c", "--no-compress", action="store_true")
+ parser.add_argument("--cpts", nargs='+')
+ parser.add_argument("--memory-size", action="store", type=int)
+
+ # Assume x86 ISA. Any other ISAs would need extra stuff in this script
+ # to appropriately parse their page tables and understand page sizes.
+ options = parser.parse_args()
+ print options.cpts, len(options.cpts)
+ if len(options.cpts) <= 1:
+ parser.error("You must specify atleast two checkpoint files that "\
+ "need to be combined.")
+
+ aggregate(options.output_dir, options.cpts, options.no_compress,
+ options.memory_size)
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