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#!/usr/bin/env python3
#
# Copyright 2018 gRPC authors.
#
# 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.
import argparse
import glob
import multiprocessing
import os
import shutil
import subprocess
import sys
from parse_link_map import parse_link_map
sys.path.append(
os.path.join(os.path.dirname(sys.argv[0]), '..', '..', 'run_tests',
'python_utils'))
import check_on_pr
# Only show diff 1KB or greater
_DIFF_THRESHOLD = 1000
_SIZE_LABELS = ('Core', 'ObjC', 'BoringSSL', 'Protobuf', 'Total')
argp = argparse.ArgumentParser(
description='Binary size diff of gRPC Objective-C sample')
argp.add_argument('-d',
'--diff_base',
type=str,
help='Commit or branch to compare the current one to')
args = argp.parse_args()
def dir_size(dir):
total = 0
for dirpath, dirnames, filenames in os.walk(dir):
for f in filenames:
fp = os.path.join(dirpath, f)
total += os.stat(fp).st_size
return total
def get_size(where, frameworks):
build_dir = 'src/objective-c/examples/Sample/Build/Build-%s/' % where
if not frameworks:
link_map_filename = 'Build/Intermediates.noindex/Sample.build/Release-iphoneos/Sample.build/Sample-LinkMap-normal-arm64.txt'
# IMPORTANT: order needs to match labels in _SIZE_LABELS
return parse_link_map(build_dir + link_map_filename)
else:
framework_dir = 'Build/Products/Release-iphoneos/Sample.app/Frameworks/'
core_size = dir_size(build_dir + framework_dir + 'grpc.framework')
objc_size = dir_size(build_dir + framework_dir + 'GRPCClient.framework') + \
dir_size(build_dir + framework_dir + 'RxLibrary.framework') + \
dir_size(build_dir + framework_dir + 'ProtoRPC.framework')
boringssl_size = dir_size(build_dir + framework_dir +
'openssl.framework')
protobuf_size = dir_size(build_dir + framework_dir +
'Protobuf.framework')
# a.k.a. "Total"
app_size = dir_size(build_dir +
'Build/Products/Release-iphoneos/Sample.app')
# IMPORTANT: order needs to match labels in _SIZE_LABELS
return core_size, objc_size, boringssl_size, protobuf_size, app_size
def build(where, frameworks):
subprocess.check_call(['make', 'clean'])
shutil.rmtree('src/objective-c/examples/Sample/Build/Build-%s' % where,
ignore_errors=True)
subprocess.check_call(
'CONFIG=opt EXAMPLE_PATH=src/objective-c/examples/Sample SCHEME=Sample FRAMEWORKS=%s ./build_one_example.sh'
% ('YES' if frameworks else 'NO'),
shell=True,
cwd='src/objective-c/tests')
os.rename('src/objective-c/examples/Sample/Build/Build',
'src/objective-c/examples/Sample/Build/Build-%s' % where)
def _render_row(new, label, old):
"""Render row in 3-column output format."""
try:
formatted_new = '{:,}'.format(int(new))
except:
formatted_new = new
try:
formatted_old = '{:,}'.format(int(old))
except:
formatted_old = old
return '{:>15}{:>15}{:>15}\n'.format(formatted_new, label, formatted_old)
def _diff_sign(new, old, diff_threshold=None):
"""Generate diff sign based on values"""
diff_sign = ' '
if diff_threshold is not None and abs(new_size[i] -
old_size[i]) >= diff_threshold:
diff_sign += '!'
if new > old:
diff_sign += '(>)'
elif new < old:
diff_sign += '(<)'
else:
diff_sign += '(=)'
return diff_sign
text = 'Objective-C binary sizes\n'
for frameworks in [False, True]:
build('new', frameworks)
new_size = get_size('new', frameworks)
old_size = None
if args.diff_base:
old = 'old'
where_am_i = subprocess.check_output(
['git', 'rev-parse', '--abbrev-ref', 'HEAD']).decode().strip()
subprocess.check_call(['git', 'checkout', '--', '.'])
subprocess.check_call(['git', 'checkout', args.diff_base])
subprocess.check_call(['git', 'submodule', 'update', '--force'])
try:
build('old', frameworks)
old_size = get_size('old', frameworks)
finally:
subprocess.check_call(['git', 'checkout', '--', '.'])
subprocess.check_call(['git', 'checkout', where_am_i])
subprocess.check_call(['git', 'submodule', 'update', '--force'])
text += ('********************FRAMEWORKS****************\n' if frameworks
else '**********************STATIC******************\n')
text += _render_row('New size', '', 'Old size')
if old_size == None:
for i in range(0, len(_SIZE_LABELS)):
if i == len(_SIZE_LABELS) - 1:
# skip line before rendering "Total"
text += '\n'
text += _render_row(new_size[i], _SIZE_LABELS[i], '')
else:
has_diff = False
# go through all labels but "Total"
for i in range(0, len(_SIZE_LABELS) - 1):
if abs(new_size[i] - old_size[i]) >= _DIFF_THRESHOLD:
has_diff = True
diff_sign = _diff_sign(new_size[i],
old_size[i],
diff_threshold=_DIFF_THRESHOLD)
text += _render_row(new_size[i], _SIZE_LABELS[i] + diff_sign,
old_size[i])
# render the "Total"
i = len(_SIZE_LABELS) - 1
diff_sign = _diff_sign(new_size[i], old_size[i])
# skip line before rendering "Total"
text += '\n'
text += _render_row(new_size[i], _SIZE_LABELS[i] + diff_sign,
old_size[i])
if not has_diff:
text += '\n No significant differences in binary sizes\n'
text += '\n'
print(text)
check_on_pr.check_on_pr('ObjC Binary Size', '```\n%s\n```' % text)
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