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#!/usr/bin/python
# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""summarize and compare the component sizes in installed-files.txt."""
import sys
bin_size1 = {}
bin_size2 = {}
bin_sizes = [bin_size1, bin_size2]
file_sizes = {}
def PrintUsage():
print "usage: " + sys.argv[0] + " filename [filename2]"
print ""
print " Input file is installed-files.txt from the build output directory."
print " When only one input file is given, it will generate module_0.csv."
print " When two input files are given, in addition it will generate"
print " module_1.csv and comparison.csv."
print ""
print " The module_x.csv file shows the aggregated file size in each module"
print " (eg bin, lib, app, ...)"
print " The comparison.cvs file shows the individual file sizes side by side"
print " from two different builds"
print ""
print " These files can be uploaded to Google Doc for further processing."
sys.exit(1)
def ParseFile(install_file, idx):
input_stream = open(install_file, 'r')
for line in input_stream:
# line = "25027208 /system/lib/libchromeview.so"
line = line.strip()
# size = "25027208", name = "/system/lib/libchromeview.so"
size, name = line.split()
# components = ["", "system", "lib", "libchromeview.so"]
components = name.split('/')
# module = "lib"
module = components[2]
# filename = libchromeview.so"
filename = components[-1]
# sum up the file sizes by module name
if module not in bin_sizes[idx]:
bin_sizes[idx][module] = int(size)
else:
bin_sizes[idx][module] += int(size)
# sometimes a file only exists on one build but not the other - use 0 as the
# default size.
if idx == 0:
file_sizes[name] = [module, size, 0]
else:
if name in file_sizes:
file_sizes[name][-1] = size
else:
file_sizes[name] = [module, 0, size]
input_stream.close()
# output the module csv file
output = open("module_%d.csv" % idx, 'w')
total = 0
for key in bin_sizes[idx]:
output.write("%s, %d\n" % (key, bin_sizes[idx][key]))
output.close()
def main():
if len(sys.argv) < 2 or len(sys.argv) > 3:
PrintUsage()
# Parse the first installed-files.txt
ParseFile(sys.argv[1], 0)
# Parse the second installed-files.txt
if len(sys.argv) == 3:
ParseFile(sys.argv[2], 1)
# comparison.csv has the following columns:
# filename, module, size1, size2, size2-size1
# eg: /system/lib/libchromeview.so, lib, 25027208, 33278460, 8251252
output = open("comparison.csv", 'w')
for key in file_sizes:
output.write("%s, %s, %s, %s, %d\n" %
(key, file_sizes[key][0], file_sizes[key][1],
file_sizes[key][2],
int(file_sizes[key][2]) - int(file_sizes[key][1])))
output.close()
if __name__ == '__main__':
main()
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