shaka-packager/tools/win/sizeviewer/sizeviewer.py

96 lines
3.0 KiB
Python

# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import os
import string
import subprocess
import sys
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
def Run(*args):
with open(os.devnull, 'w') as null:
subprocess.check_call(args, stdout=null, stderr=null)
def FindNode(node, component):
for child in node['children']:
if child['name'] == component:
return child
return None
def InsertIntoTree(tree, source_name, size):
components = source_name.replace(':', '').split('\\')
node = tree
for index, component in enumerate(components):
data = FindNode(node, component)
if not data:
data = { 'name': component }
if index == len(components) - 1:
data['size'] = size
else:
data['children'] = []
node['children'].append(data)
node = data
def main():
out_dir = os.path.join(BASE_DIR, '..', '..', '..', 'out', 'Release')
jsons = []
for dll in ('chrome.dll', 'chrome_child.dll'):
dll_path = os.path.normpath(os.path.join(out_dir, dll))
if os.path.exists(dll_path):
print 'Tallying %s...' % dll_path
json_path = dll_path + '.json'
Run(os.path.join(BASE_DIR, 'code_tally.exe'),
'--input-image=' + dll_path,
'--input-pdb=' + dll_path + '.pdb',
'--output-file=' + json_path)
jsons.append(json_path)
if not jsons:
print 'Couldn\'t find binaries, looking in', out_dir
return 1
for json_name in jsons:
with open(json_name, 'r') as jsonf:
all_data = json.load(jsonf)
html_path = os.path.splitext(json_name)[0] + '.html'
print 'Generating %s...' % html_path
by_source = {}
for obj_name, obj_data in all_data['objects'].iteritems():
for symbol, symbol_data in obj_data.iteritems():
size = int(symbol_data['size'])
# Sometimes there's symbols with no source file, we just ignore those.
if 'contribs' in symbol_data:
# There may be more than one file in the list, we just assign to the
# first source file that contains the symbol, rather than try to
# split or duplicate info.
src_index = symbol_data['contribs'][0]
source = all_data['sources'][int(src_index)]
if source not in by_source:
by_source[source] = []
by_source[source].append(size)
binary_name = all_data['executable']['name']
data = {}
data['name'] = binary_name
data['children'] = []
for source, sizes in by_source.iteritems():
InsertIntoTree(data, source, sum(sizes))
with open(html_path, 'w') as f:
with open(os.path.join(BASE_DIR, 'template.html'), 'r') as templatef:
template = templatef.read()
f.write(string.Template(template).substitute(
{'data': json.dumps(data, indent=2),
'dllname': binary_name + ' ' + all_data['executable']['version']}))
return 0
if __name__ == '__main__':
sys.exit(main())