• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1#!/usr/bin/env python3
2# Copyright (C) 2021 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15"""
16Generate a size report for target binaries.
17
18For example:
19$ tools/ninja -C out/r traced_probes traced
20$ tools/size-report.py -C out/r traced_probes traced
21"""
22
23from __future__ import absolute_import
24from __future__ import division
25from __future__ import print_function
26
27import argparse
28import os
29import subprocess
30import sys
31import json
32
33ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
34BLOATY_PATH = os.path.join(ROOT_DIR, 'buildtools', 'bloaty', 'bloaty')
35GN_PATH = os.path.join(ROOT_DIR, 'tools', 'gn')
36
37def GetGnArgValueOrNone(arg):
38  if 'current' in arg:
39    return eval(arg['current']['value'])
40  if 'default' in arg:
41    return eval(arg['default']['value'])
42  return None
43
44
45def GetTargetOsForBuildDir(build_dir):
46  cmd = [GN_PATH, 'args', '--list', '--json', build_dir]
47  args = json.loads(subprocess.check_output(cmd))
48  target_os = None
49  host_os = None
50  for arg in args:
51    if arg['name'] == 'target_os':
52      print(arg)
53      target_os = GetGnArgValueOrNone(arg)
54    if arg['name'] == 'host_os':
55      print(arg)
56      host_os = GetGnArgValueOrNone(arg)
57  return target_os or host_os or None
58
59
60def main():
61  parser = argparse.ArgumentParser(
62      formatter_class=argparse.RawDescriptionHelpFormatter, description=__doc__)
63  parser.add_argument(
64      '-C', '--build-dir', metavar='DIR', help='build directory', required=True)
65  parser.add_argument('-o', '--output', help='output path', default=None)
66  parser.add_argument(
67      'binaries', metavar='BINARY', nargs='+', help='subjects of size report')
68  args = parser.parse_args()
69
70  if not os.path.exists(BLOATY_PATH):
71    print(
72        'Could not find bloaty at expected path "{}". Try re-running ./tools/install-build-deps'
73        .format(BLOATY_PATH))
74    return 1
75
76  results = []
77
78  out_directory = args.build_dir
79  target_os = GetTargetOsForBuildDir(out_directory)
80  print('target_os', target_os)
81  for binary in args.binaries:
82    binary_path = os.path.join(out_directory, binary)
83    output = '{} - {}\n'.format(binary, binary_path)
84    if target_os == 'mac':
85      subprocess.check_output(['dsymutil', binary_path])
86      symbols = '--debug-file={}.dSYM/Contents/Resources/DWARF/{}'.format(
87          binary_path, binary)
88      cmd = [symbols, '-d', 'compileunits', '-n', '100', binary_path]
89    else:
90      cmd = ['-d', 'compileunits', '-n', '100', binary_path]
91    output += subprocess.check_output([BLOATY_PATH] + cmd).decode('utf-8')
92    results.append(output)
93
94  if args.output is None or args.output == '-':
95    out = sys.stdout
96  else:
97    out = open(args.output, 'w')
98
99  for result in results:
100    out.write(result)
101    out.write('\n')
102  return 0
103
104
105if __name__ == '__main__':
106  sys.exit(main())
107