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Run tests in parallel, whenever possible
using tests/run-tests-parallel.py script like: MONERO_PARALLEL_TEST_JOBS=nproc tests/run-tests-parallel.py
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#!/usr/bin/env python3 | ||
# -*- coding: utf-8 -*- | ||
""" | ||
# Copyright (c) 2014-2021, The Monero Project | ||
# | ||
# All rights reserved. | ||
# | ||
# Redistribution and use in source and binary forms, with or without modification, are | ||
# permitted provided that the following conditions are met: | ||
# | ||
# 1. Redistributions of source code must retain the above copyright notice, this list of | ||
# conditions and the following disclaimer. | ||
# | ||
# 2. Redistributions in binary form must reproduce the above copyright notice, this list | ||
# of conditions and the following disclaimer in the documentation and/or other | ||
# materials provided with the distribution. | ||
# | ||
# 3. Neither the name of the copyright holder nor the names of its contributors may be | ||
# used to endorse or promote products derived from this software without specific | ||
# prior written permission. | ||
# | ||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY | ||
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | ||
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | ||
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
# The parallelism celing can be controlled with MONERO_PARALLEL_TEST_JOBS env variable, | ||
# for example: | ||
# | ||
# MONERO_PARALLEL_TEST_JOBS=1 tests/run-tests-parallel.py | ||
# MONERO_PARALLEL_TEST_JOBS=nproc tests/run-tests-parallel.py | ||
# | ||
# The minimum between the ceiling and a currently selected reasonable number of threads is used in the end. | ||
# The reasonable number is selected as a number, that delivers the solution in the shortest time. | ||
""" | ||
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import os | ||
import sys | ||
import subprocess | ||
import multiprocessing | ||
from timeit import default_timer as timer | ||
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NUM_PROC_MAX_REASONABLE = 2 # This might be increased, once the core_tests are divided into many more independent pieces or simply sped up | ||
TESTS_EXCLUDED_REGEX = "unit_tests|functional_tests_rpc" # These tests collide with core_tests | ||
ERR_CODE = 1 | ||
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def get_forced_job_ceiling(): | ||
try: | ||
ceiling_str = os.environ['MONERO_PARALLEL_TEST_JOBS'] | ||
except KeyError: | ||
ceiling = multiprocessing.cpu_count() | ||
print("No parallelism ceiling selected. Defaulting to nproc, so", ceiling) | ||
else: | ||
if ceiling_str == "nproc": | ||
ceiling = multiprocessing.cpu_count() | ||
else: | ||
ceiling = int(ceiling_str) | ||
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print("Parallelism ceiling selected. Using", ceiling, "jobs.") | ||
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return ceiling | ||
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def run(num_proc_final, fail_fast=False): | ||
""" | ||
Run the excluded tests first, then everything but excluded. | ||
In the current situation, the excluded tests are the most probable and quickest to fail, | ||
giving an early feedback when fail_fast is set to true. | ||
""" | ||
cmds = [] | ||
cmds.append(get_ctest_command(num_proc_final, '-R')) | ||
cmds.append(get_ctest_command(num_proc_final, '-E')) | ||
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error = False | ||
for cmd in cmds: | ||
status = run_cmd(cmd) | ||
if status != 0: | ||
error = True | ||
if fail_fast: | ||
return status | ||
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return ERR_CODE if error else 0 | ||
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def get_ctest_command(num_proc_final, option): | ||
cmd = ['ctest', '-j{}'.format(num_proc_final), option, TESTS_EXCLUDED_REGEX] | ||
return cmd | ||
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def run_cmd(cmd): | ||
result = subprocess.run(cmd, stderr=sys.stderr, stdout=sys.stdout) | ||
return result.returncode | ||
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job_ceiling = get_forced_job_ceiling() | ||
num_proc_final = min(NUM_PROC_MAX_REASONABLE, job_ceiling) | ||
print("Job number ceiling is" ,job_ceiling, "and the reasonable maximum is currently", NUM_PROC_MAX_REASONABLE, ".") | ||
print("Using the minimum of the two, so", num_proc_final, "jobs.") | ||
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start = timer() | ||
ret = run(num_proc_final, fail_fast=False) | ||
tdiff = timer() - start | ||
print("Testing took:", round(tdiff / 60), "minutes.") | ||
print("Status:", ret) | ||
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exit(ret) |