grpc/tools/profiling/microbenchmarks/bm_diff/bm_build.py

#!/usr/bin/env python2.7
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### 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='How many CPUs to dedicate to this task')
  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')
  args = argp.parse_args()
  assert args.name
  return args

def _make_cmd(cfg, benchmarks, jobs):
  return ['make'] + benchmarks + [
      'CONFIG=%s' % cfg, '-j', '%d' % jobs]

def build(name, benchmarks, jobs):
  shutil.rmtree('bm_diff_%s' % name, ignore_errors=True)
  subprocess.check_call(['git', 'submodule', 'update'])
  try:
    subprocess.check_call(_make_cmd('opt', benchmarks, jobs))
    subprocess.check_call(_make_cmd('counters', benchmarks, jobs))
  except subprocess.CalledProcessError, e:
    subprocess.check_call(['make', 'clean'])
    subprocess.check_call(_make_cmd('opt', benchmarks, jobs))
    subprocess.check_call(_make_cmd('counters', benchmarks, jobs))
  os.rename('bins', 'bm_diff_%s' % name, )

if __name__ == '__main__':
  args = _args()
  build(args.name, args.benchmarks, args.jobs)