poky/scripts/oe-build-perf-test

#!/usr/bin/python3

Build performance test script

Copyright (c) 2016, Intel Corporation.

This program is free software; you can redistribute it and/or modify it

under the terms and conditions of the GNU General Public License,

version 2, as published by the Free Software Foundation.

This program is distributed in the hope it will be useful, but WITHOUT

ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for

more details.

"""Build performance test script""" import argparse import errno import fcntl import logging import os import sys from datetime import datetime

sys.path.insert(0, os.path.dirname(os.path.realpath(file)) + '/lib') import scriptpath scriptpath.add_oe_lib_path() from oeqa.buildperf import BuildPerfTestRunner, KernelDropCaches from oeqa.utils.commands import runCmd

Set-up logging

LOG_FORMAT = '[%(asctime)s] %(levelname)s: %(message)s' logging.basicConfig(level=logging.INFO, format=LOG_FORMAT) log = logging.getLogger()

def acquire_lock(lock_f): """Acquire flock on file""" log.debug("Acquiring lock %s", os.path.abspath(lock_f.name)) try: fcntl.flock(lock_f, fcntl.LOCK_EX | fcntl.LOCK_NB) except IOError as err: if err.errno == errno.EAGAIN: return False raise log.debug("Lock acquired") return True

def pre_run_sanity_check(): """Sanity check of build environment""" build_dir = os.environ.get("BUILDDIR") if not build_dir: log.error("BUILDDIR not set. Please run the build environmnent setup " "script.") return False if os.getcwd() != build_dir: log.error("Please run this script under BUILDDIR (%s)", build_dir) return False

ret = runCmd('which bitbake', ignore_status=True)
if ret.status:
    log.error("bitbake command not found")
    return False

return True

def setup_file_logging(log_file): """Setup loggin to file""" log_dir = os.path.dirname(log_file) if not os.path.exists(log_dir): os.makedirs(log_dir) formatter = logging.Formatter(LOG_FORMAT) handler = logging.FileHandler(log_file) handler.setFormatter(formatter) log.addHandler(handler)

def parse_args(argv): """Parse command line arguments""" parser = argparse.ArgumentParser( formatter_class=argparse.ArgumentDefaultsHelpFormatter)

parser.add_argument('-D', '--debug', action='store_true',
                    help='Enable debug level logging')
parser.add_argument('--globalres-file',
                    help="Append results to 'globalres' csv file")
parser.add_argument('--lock-file', default='./oe-build-perf.lock',
                    metavar='FILENAME',
                    help="Lock file to use")
parser.add_argument('-o', '--out-dir', default='results-{date}',
                    help="Output directory for test results")

return parser.parse_args(argv)

def main(argv=None): """Script entry point""" args = parse_args(argv)

if args.debug:
    log.setLevel(logging.DEBUG)

lock_f = open(args.lock_file, 'w')
if not acquire_lock(lock_f):
    log.error("Another instance of this script is running, exiting...")
    return 1

if not pre_run_sanity_check():
    return 1

# Check our capability to drop caches and ask pass if needed
KernelDropCaches.check()

# Set-up log file
out_dir = args.out_dir.format(date=datetime.now().strftime('%Y%m%d%H%M%S'))
setup_file_logging(os.path.join(out_dir, 'output.log'))

# Run actual tests
runner = BuildPerfTestRunner(out_dir)
ret = runner.run_tests()
if not ret:
    if args.globalres_file:
        runner.update_globalres_file(args.globalres_file)

return ret

if name == 'main': sys.exit(main())