util: update checkpoint aggregation script
The checkpoint aggregation script had become outdated due to numerous changes to checkpoints over the past couple of years. This updates the script. It now supports aggregation for x86 architecture instead of alpha. Also a couple of new options have been added that specify the size of the memory file to be created and whether or not the memory file should be compressed.
This commit is contained in:
Nilay Vaish
parent
c033ead992
commit
59a041c5e7
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@ -1,5 +1,6 @@
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# Copyright (c) 2009 The Regents of The University of Michigan
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# Copyright (c) 2011 Advanced Micro Devices, Inc.
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# Copyright (c) 2013 Mark D. Hill and David A. Wood
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -26,11 +27,12 @@
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Lisa Hsu
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# Nilay Vaish
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from ConfigParser import ConfigParser
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import gzip
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import sys, re, optparse, os
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import sys, re, os
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class myCP(ConfigParser):
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def __init__(self):
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@ -39,75 +41,43 @@ class myCP(ConfigParser):
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def optionxform(self, optionstr):
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return optionstr
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def aggregate(options, args):
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merged = myCP()
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def aggregate(output_dir, cpts, no_compress, memory_size):
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merged_config = None
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page_ptr = 0
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allfiles = os.listdir(os.getcwd())
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cpts = []
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for arg in args:
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found = False
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for f in allfiles:
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if re.compile("cpt." + arg + ".\d+").search(f):
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found = True
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cpts.append(f)
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break
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if not found:
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print "missing checkpoint: ", arg
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sys.exit(1)
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output_path = output_dir
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if not os.path.isdir(output_path):
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os.system("mkdir -p " + output_path)
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dirname = "-".join([options.prefix, "cpt"])
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agg_name = "-".join(args)
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print agg_name
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fullpath = os.path.join("..", dirname, "cpt." + agg_name + ".10000")
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if not os.path.isdir(fullpath):
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os.system("mkdir -p " + fullpath)
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elif os.path.isfile(fullpath + "/system.physmem.physmem"):
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if os.path.isfile(fullpath + "/m5.cpt"):
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print fullpath, " already done"
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return
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agg_mem_file = open(output_path + "/system.physmem.store0.pmem", "wb+")
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agg_config_file = open(output_path + "/m5.cpt", "wb+")
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myfile = open(fullpath + "/system.physmem.physmem", "wb+")
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merged_mem = gzip.GzipFile(fileobj=myfile, mode="wb")
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if not no_compress:
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merged_mem = gzip.GzipFile(fileobj= agg_mem_file, mode="wb")
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max_curtick = 0
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when = 0
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for (i, arg) in enumerate(args):
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num_digits = len(str(len(cpts)-1))
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for (i, arg) in enumerate(cpts):
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print arg
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merged_config = myCP()
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config = myCP()
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config.readfp(open(cpts[i] + "/m5.cpt"))
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for sec in config.sections():
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if re.compile("cpu").search(sec):
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newsec = re.sub("cpu", "cpu" + str(i), sec)
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merged.add_section(newsec)
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if re.compile("workload$").search(sec):
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merged.set(newsec, "M5_pid", i)
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newsec = re.sub("cpu", "cpu" + str(i).zfill(num_digits), sec)
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merged_config.add_section(newsec)
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items = config.items(sec)
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if options.alpha:
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for item in items:
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if item[0] == "ppn":
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if config.getint(sec, "tag") != 0:
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merged.set(newsec, item[0], int(item[1]) + page_ptr)
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continue
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elif item[0] == "asn":
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tmp = re.compile("(.*).Entry(\d+)").search(sec).groups()
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if config.has_option(tmp[0], "nlu"):
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size = config.getint(tmp[0], "nlu")
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if int(tmp[1]) < size:
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merged.set(newsec, item[0], i)
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continue
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else:
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merged.set(newsec, item[0], i)
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continue
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merged.set(newsec, item[0], item[1])
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else:a #x86
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for item in items:
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if item[0] == "paddr":
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merged.set(newsec, item[0], int(item[1]) + (page_ptr << 12))
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continue
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merged.set(newsec, item[0], item[1])
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for item in items:
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if item[0] == "paddr":
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merged_config.set(newsec, item[0], int(item[1]) + (page_ptr << 12))
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continue
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merged_config.set(newsec, item[0], item[1])
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if re.compile("workload.FdMap256$").search(sec):
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merged_config.set(newsec, "M5_pid", i)
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elif sec == "system":
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pass
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@ -115,68 +85,82 @@ def aggregate(options, args):
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tick = config.getint(sec, "curTick")
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if tick > max_curtick:
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max_curtick = tick
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when = config.getint("system.cpu.tickEvent", "_when")
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else:
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if i == 0:
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merged.add_section(sec)
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if i == len(cpts)-1:
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merged_config.add_section(sec)
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for item in config.items(sec):
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merged.set(sec, item[0], item[1])
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if item[0] == "curtick":
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merged.optionxform(str("curTick"))
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elif item[0] == "numevents":
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merged.optionxform(str("numEvents"))
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merged_config.set(sec, item[0], item[1])
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page_ptr = page_ptr + int(config.get("system", "pagePtr"))
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if i != len(cpts)-1:
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merged_config.write(agg_config_file)
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### memory stuff
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f = open(cpts[i] + "/system.physmem.physmem", "rb")
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gf = gzip.GzipFile(fileobj=f, mode="rb")
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pages = int(config.get("system", "pagePtr"))
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page_ptr = page_ptr + pages
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print "pages to be read: ", pages
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f = open(cpts[i] + "/system.physmem.store0.pmem", "rb")
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gf = gzip.GzipFile(fileobj=f, mode="rb")
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x = 0
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while x < pages:
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if options.alpha:
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bytesRead = gf.read(1 << 13)
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else: #x86
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bytesRead = gf.read(1 << 12)
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merged_mem.write(bytesRead)
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bytesRead = gf.read(1 << 12)
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if not no_compress:
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merged_mem.write(bytesRead)
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else:
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agg_mem_file.write(bytesRead)
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x += 1
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gf.close()
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f.close()
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merged.add_section("system")
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merged.set("system", "pagePtr", page_ptr)
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merged.set("system", "nextPID", len(args))
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merged_config.add_section("system")
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merged_config.set("system", "pagePtr", page_ptr)
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merged_config.set("system", "nextPID", len(cpts))
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file_size = page_ptr * 4 * 1024
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dummy_data = "".zfill(4096)
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while file_size < memory_size:
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if not no_compress:
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merged_mem.write(dummy_data)
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else:
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agg_mem_file.write(dummy_data)
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file_size += 4 * 1024
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page_ptr += 1
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print "WARNING: "
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print "Make sure the simulation using this checkpoint has at least ",
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if options.alpha:
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print page_ptr, "x 8K of memory"
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else: # assume x86
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print page_ptr, "x 4K of memory"
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print page_ptr, "x 4K of memory"
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merged_config.set("system.physmem.store0", "range_size", page_ptr * 4 * 1024)
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merged.add_section("Globals")
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merged.set("Globals", "curTick", max_curtick)
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merged_config.add_section("Globals")
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merged_config.set("Globals", "curTick", max_curtick)
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for i in xrange(len(args)):
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merged.set("system.cpu" + str(i) + ".tickEvent", "_when", when)
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merged_config.write(agg_config_file)
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merged.write(file(fullpath + "/m5.cpt", "wb"))
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merged_mem.close()
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myfile.close()
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if not no_compress:
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merged_mem.close()
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agg_mem_file.close()
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else:
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agg_mem_file.close()
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if __name__ == "__main__":
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from argparse import ArgumentParser
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parser = ArgumentParser("usage: %prog [options] <directory names which "\
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"hold the checkpoints to be combined>")
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parser.add_argument("-o", "--output-dir", action="store",
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help="Output directory")
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parser.add_argument("-c", "--no-compress", action="store_true")
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parser.add_argument("--cpts", nargs='+')
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parser.add_argument("--memory-size", action="store", type=int)
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parser = optparse.OptionParser()
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parser.add_option("--prefix", type="string", default="agg")
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# If not alpha, then assume x86. Any other ISAs would need
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# extra stuff in this script to appropriately parse their page tables
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# and understand page sizes.
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parser.add_option("--alpha", action="store_true")
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(options, args) = parser.parse_args()
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aggregate(options, args)
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# Assume x86 ISA. Any other ISAs would need extra stuff in this script
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# to appropriately parse their page tables and understand page sizes.
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options = parser.parse_args()
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print options.cpts, len(options.cpts)
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if len(options.cpts) <= 1:
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parser.error("You must specify atleast two checkpoint files that "\
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"need to be combined.")
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aggregate(options.output_dir, options.cpts, options.no_compress,
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options.memory_size)
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