1 #!/usr/bin/python 2 3 # Copyright (C) 2013 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 """summarize and compare the component sizes in installed-files.txt.""" 18 19 import sys 20 21 bin_size1 = {} 22 bin_size2 = {} 23 bin_sizes = [bin_size1, bin_size2] 24 25 file_sizes = {} 26 27 def PrintUsage(): 28 print "usage: " + sys.argv[0] + " filename [filename2]" 29 print "" 30 print " Input file is installed-files.txt from the build output directory." 31 print " When only one input file is given, it will generate module_0.csv." 32 print " When two input files are given, in addition it will generate" 33 print " module_1.csv and comparison.csv." 34 print "" 35 print " The module_x.csv file shows the aggregated file size in each module" 36 print " (eg bin, lib, app, ...)" 37 print " The comparison.cvs file shows the individual file sizes side by side" 38 print " from two different builds" 39 print "" 40 print " These files can be uploaded to Google Doc for further processing." 41 sys.exit(1) 42 43 def ParseFile(install_file, idx): 44 input_stream = open(install_file, 'r') 45 for line in input_stream: 46 # line = "25027208 /system/lib/libchromeview.so" 47 line = line.strip() 48 49 # size = "25027208", name = "/system/lib/libchromeview.so" 50 size, name = line.split() 51 52 # components = ["", "system", "lib", "libchromeview.so"] 53 components = name.split('/') 54 55 # module = "lib" 56 module = components[2] 57 58 # filename = libchromeview.so" 59 filename = components[-1] 60 61 # sum up the file sizes by module name 62 if module not in bin_sizes[idx]: 63 bin_sizes[idx][module] = int(size) 64 else: 65 bin_sizes[idx][module] += int(size) 66 67 # sometimes a file only exists on one build but not the other - use 0 as the 68 # default size. 69 if idx == 0: 70 file_sizes[name] = [module, size, 0] 71 else: 72 if name in file_sizes: 73 file_sizes[name][-1] = size 74 else: 75 file_sizes[name] = [module, 0, size] 76 77 input_stream.close() 78 79 # output the module csv file 80 output = open("module_%d.csv" % idx, 'w') 81 total = 0 82 for key in bin_sizes[idx]: 83 output.write("%s, %d\n" % (key, bin_sizes[idx][key])) 84 output.close() 85 86 def main(): 87 if len(sys.argv) < 2 or len(sys.argv) > 3: 88 PrintUsage() 89 # Parse the first installed-files.txt 90 ParseFile(sys.argv[1], 0) 91 92 # Parse the second installed-files.txt 93 if len(sys.argv) == 3: 94 ParseFile(sys.argv[2], 1) 95 # comparison.csv has the following columns: 96 # filename, module, size1, size2, size2-size1 97 # eg: /system/lib/libchromeview.so, lib, 25027208, 33278460, 8251252 98 output = open("comparison.csv", 'w') 99 for key in file_sizes: 100 output.write("%s, %s, %s, %s, %d\n" % 101 (key, file_sizes[key][0], file_sizes[key][1], 102 file_sizes[key][2], 103 int(file_sizes[key][2]) - int(file_sizes[key][1]))) 104 output.close() 105 106 if __name__ == '__main__': 107 main() 108 109 # vi: ts=2 sw=2 110
