| #!/usr/bin/env python2.7 |
| # |
| # Copyright 2017 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 |
| |
| sys.path.append( |
| os.path.join( |
| os.path.dirname(sys.argv[0]), '..', '..', 'run_tests', 'python_utils')) |
| import comment_on_pr |
| |
| argp = argparse.ArgumentParser( |
| description='Perform diff on microbenchmarks') |
| |
| argp.add_argument( |
| '-d', |
| '--diff_base', |
| type=str, |
| help='Commit or branch to compare the current one to') |
| |
| argp.add_argument( |
| '-j', |
| '--jobs', |
| type=int, |
| default=multiprocessing.cpu_count()) |
| |
| args = argp.parse_args() |
| |
| LIBS = [ |
| 'libgrpc.so', |
| 'libgrpc++.so', |
| ] |
| |
| def build(where): |
| subprocess.check_call('make -j%d' % args.jobs, |
| shell=True, cwd='.') |
| shutil.rmtree('bloat_diff_%s' % where, ignore_errors=True) |
| os.rename('libs', 'bloat_diff_%s' % where) |
| |
| build('new') |
| |
| if args.diff_base: |
| old = 'old' |
| where_am_i = subprocess.check_output( |
| ['git', 'rev-parse', '--abbrev-ref', 'HEAD']).strip() |
| subprocess.check_call(['git', 'checkout', args.diff_base]) |
| subprocess.check_call(['git', 'submodule', 'update']) |
| try: |
| try: |
| build('old') |
| except subprocess.CalledProcessError, e: |
| subprocess.check_call(['make', 'clean']) |
| build('old') |
| finally: |
| subprocess.check_call(['git', 'checkout', where_am_i]) |
| subprocess.check_call(['git', 'submodule', 'update']) |
| |
| subprocess.check_call('make -j%d' % args.jobs, |
| shell=True, cwd='third_party/bloaty') |
| |
| text = '' |
| for lib in LIBS: |
| text += '****************************************************************\n\n' |
| text += lib + '\n\n' |
| old_version = glob.glob('bloat_diff_old/opt/%s' % lib) |
| new_version = glob.glob('bloat_diff_new/opt/%s' % lib) |
| assert len(new_version) == 1 |
| cmd = 'third_party/bloaty/bloaty -d compileunits,symbols' |
| if old_version: |
| assert len(old_version) == 1 |
| text += subprocess.check_output('%s %s -- %s' % |
| (cmd, new_version[0], old_version[0]), |
| shell=True) |
| else: |
| text += subprocess.check_output('%s %s' % |
| (cmd, new_version[0]), |
| shell=True) |
| text += '\n\n' |
| |
| print text |
| comment_on_pr.comment_on_pr('```\n%s\n```' % text) |