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#!/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.
""" Python utility to build opt and counters benchmarks """
import bm_constants
import argparse
import subprocess
import multiprocessing
import os
import shutil
def _args():
argp = argparse.ArgumentParser(description='Builds microbenchmarks')
argp.add_argument('-b',
'--benchmarks',
nargs='+',
choices=bm_constants._AVAILABLE_BENCHMARK_TESTS,
default=bm_constants._AVAILABLE_BENCHMARK_TESTS,
help='Which benchmarks to build')
argp.add_argument(
'-j',
'--jobs',
type=int,
default=multiprocessing.cpu_count(),
help=
'Deprecated. Bazel chooses number of CPUs to build with automatically.')
argp.add_argument(
'-n',
'--name',
type=str,
help=
'Unique name of this build. To be used as a handle to pass to the other bm* scripts'
)
argp.add_argument('--counters', dest='counters', action='store_true')
argp.add_argument('--no-counters', dest='counters', action='store_false')
argp.set_defaults(counters=True)
args = argp.parse_args()
assert args.name
return args
def _build_cmd(cfg, benchmarks):
bazel_targets = [
'//test/cpp/microbenchmarks:%s' % benchmark for benchmark in benchmarks
]
# --dynamic_mode=off makes sure that we get a monolithic binary that can be safely
# moved outside of the bazel-bin directory
return ['tools/bazel', 'build',
'--config=%s' % cfg, '--dynamic_mode=off'] + bazel_targets
def _build_config_and_copy(cfg, benchmarks, dest_dir):
"""Build given config and copy resulting binaries to dest_dir/CONFIG"""
subprocess.check_call(_build_cmd(cfg, benchmarks))
cfg_dir = dest_dir + '/%s' % cfg
os.makedirs(cfg_dir)
subprocess.check_call(['cp'] + [
'bazel-bin/test/cpp/microbenchmarks/%s' % benchmark
for benchmark in benchmarks
] + [cfg_dir])
def build(name, benchmarks, jobs, counters):
dest_dir = 'bm_diff_%s' % name
shutil.rmtree(dest_dir, ignore_errors=True)
_build_config_and_copy('opt', benchmarks, dest_dir)
if counters:
_build_config_and_copy('counters', benchmarks, dest_dir)
if __name__ == '__main__':
args = _args()
build(args.name, args.benchmarks, args.jobs, args.counters)
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