X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=vsperf;h=cf639a302483b0d94c3e72aedf3dd700793ac3c0;hb=6d356ded0aa1279c61b19ad42c985eee1b468be0;hp=63913c77ddbafc7d72aa3b55539ec5fad86d29f8;hpb=26d5dcc91e9bbf92a28892382094022997d07b5a;p=vswitchperf.git diff --git a/vsperf b/vsperf index 63913c77..cf639a30 100755 --- a/vsperf +++ b/vsperf @@ -21,27 +21,29 @@ import logging import os import sys import argparse +import re import time import datetime import shutil import unittest -import xmlrunner import locale import copy import glob import subprocess - -sys.dont_write_bytecode = True - +import ast +import xmlrunner from conf import settings -from conf import get_test_param +import core.component_factory as component_factory from core.loader import Loader -from testcases import TestCase +from testcases import PerformanceTestCase +from testcases import IntegrationTestCase from tools import tasks +from tools import networkcard +from tools import functions from tools.pkt_gen import trafficgen from tools.opnfvdashboard import opnfvdashboard -from tools.pkt_gen.trafficgen.trafficgenhelper import TRAFFIC_DEFAULTS -import core.component_factory as component_factory + +sys.dont_write_bytecode = True VERBOSITY_LEVELS = { 'debug': logging.DEBUG, @@ -51,11 +53,17 @@ VERBOSITY_LEVELS = { 'critical': logging.CRITICAL } -_TEMPLATE_RST = {'head' : 'tools/report/report_head.rst', - 'foot' : 'tools/report/report_foot.rst', - 'final' : 'test_report.rst' +_CURR_DIR = os.path.dirname(os.path.realpath(__file__)) + +_TEMPLATE_RST = {'head' : os.path.join(_CURR_DIR, 'tools/report/report_head.rst'), + 'foot' : os.path.join(_CURR_DIR, 'tools/report/report_foot.rst'), + 'final' : 'test_report.rst', + 'tmp' : os.path.join(_CURR_DIR, 'tools/report/report_tmp_caption.rst') } + +_LOGGER = logging.getLogger() + def parse_arguments(): """ Parse command line arguments. @@ -66,21 +74,26 @@ def parse_arguments(): This expects either 'x=y', 'x=y,z' or 'x' (implicit true) values. For multiple overrides use a ; separated list for - e.g. --test-params 'x=z; y=a,b' + e.g. --test-params 'x=z; y=(a,b)' """ def __call__(self, parser, namespace, values, option_string=None): results = {} - for value in values.split(';'): - result = [key.strip() for key in value.split('=')] - if len(result) == 1: - results[result[0]] = True - elif len(result) == 2: - results[result[0]] = result[1] - else: - raise argparse.ArgumentTypeError( - 'expected \'%s\' to be of format \'key=val\' or' - ' \'key\'' % result) + for param, _, value in re.findall('([^;=]+)(=([^;]+))?', values): + param = param.strip() + value = value.strip() + if len(param): + if len(value): + # values are passed inside string from CLI, so we must retype them accordingly + try: + results[param] = ast.literal_eval(value) + except ValueError: + # for backward compatibility, we have to accept strings without quotes + _LOGGER.warning("Adding missing quotes around string value: %s = %s", + param, str(value)) + results[param] = str(value) + else: + results[param] = True setattr(namespace, self.dest, results) @@ -145,21 +158,22 @@ def parse_arguments(): group.add_argument('-m', '--mode', help='vsperf mode of operation;\ Values: "normal" - execute vSwitch, VNF and traffic generator;\ "trafficgen" - execute only traffic generator; "trafficgen-off" \ - - execute vSwitch and VNF', default='normal') + - execute vSwitch and VNF; trafficgen-pause - execute vSwitch \ + and VNF but pause before traffic transmission ', default='normal') group.add_argument('-f', '--test-spec', help='test specification file') group.add_argument('-d', '--test-dir', help='directory containing tests') group.add_argument('-t', '--tests', help='Comma-separated list of terms \ indicating tests to run. e.g. "RFC2544,!p2p" - run all tests whose\ - name contains RFC2544 less those containing "p2p"') + name contains RFC2544 less those containing "p2p"; "!back2back" - \ + run all tests except those containing back2back') group.add_argument('--verbosity', choices=list_logging_levels(), help='debug level') - group.add_argument('--run-integration', action='store_true', help='run integration tests') + group.add_argument('--integration', action='store_true', help='execute integration tests') group.add_argument('--trafficgen', help='traffic generator to use') group.add_argument('--vswitch', help='vswitch implementation to use') group.add_argument('--fwdapp', help='packet forwarding application to use') group.add_argument('--vnf', help='vnf to use') - group.add_argument('--duration', help='traffic transmit duration') group.add_argument('--sysmetrics', help='system metrics logger to use') group = parser.add_argument_group('test behavior options') group.add_argument('--xunit', action='store_true', @@ -171,9 +185,9 @@ def parse_arguments(): group.add_argument('--conf-file', action=_ValidateFileAction, help='settings file') group.add_argument('--test-params', action=_SplitTestParamsAction, - help='csv list of test parameters: key=val; e.g.' - 'including pkt_sizes=x,y; duration=x; ' - 'rfc2544_trials=x ...') + help='csv list of test parameters: key=val; e.g. ' + 'TRAFFICGEN_PKT_SIZES=(64,128);TRAFICGEN_DURATION=30; ' + 'GUEST_LOOPBACK=["l2fwd"] ...') group.add_argument('--opnfvpod', help='name of POD in opnfv') args = vars(parser.parse_args()) @@ -192,18 +206,17 @@ def configure_logging(level): settings.getValue('LOG_DIR'), settings.getValue('LOG_FILE_TRAFFIC_GEN')) - logger = logging.getLogger() - logger.setLevel(logging.DEBUG) + _LOGGER.setLevel(logging.DEBUG) stream_logger = logging.StreamHandler(sys.stdout) stream_logger.setLevel(VERBOSITY_LEVELS[level]) stream_logger.setFormatter(logging.Formatter( - '[%(levelname)s] %(asctime)s : (%(name)s) - %(message)s')) - logger.addHandler(stream_logger) + '[%(levelname)-5s] %(asctime)s : (%(name)s) - %(message)s')) + _LOGGER.addHandler(stream_logger) file_logger = logging.FileHandler(filename=log_file_default) file_logger.setLevel(logging.DEBUG) - logger.addHandler(file_logger) + _LOGGER.addHandler(file_logger) class CommandFilter(logging.Filter): """Filter out strings beginning with 'cmd :'""" @@ -218,12 +231,12 @@ def configure_logging(level): cmd_logger = logging.FileHandler(filename=log_file_host_cmds) cmd_logger.setLevel(logging.DEBUG) cmd_logger.addFilter(CommandFilter()) - logger.addHandler(cmd_logger) + _LOGGER.addHandler(cmd_logger) gen_logger = logging.FileHandler(filename=log_file_traffic_gen) gen_logger.setLevel(logging.DEBUG) gen_logger.addFilter(TrafficGenCommandFilter()) - logger.addHandler(gen_logger) + _LOGGER.addHandler(gen_logger) def apply_filter(tests, tc_filter): @@ -240,7 +253,11 @@ def apply_filter(tests, tc_filter): e.g. '' - empty string selects all tests. :return: A list of the selected Tests. """ - result = [] + # if negative filter is first we have to start with full list of tests + if tc_filter.strip()[0] == '!': + result = tests + else: + result = [] if tc_filter is None: tc_filter = "" @@ -248,11 +265,11 @@ def apply_filter(tests, tc_filter): if not term or term[0] != '!': # Add matching tests from 'tests' into results result.extend([test for test in tests \ - if test.name.lower().find(term) >= 0]) + if test['Name'].lower().find(term) >= 0]) else: # Term begins with '!' so we remove matching tests result = [test for test in result \ - if test.name.lower().find(term[1:]) < 0] + if test['Name'].lower().find(term[1:]) < 0] return result @@ -265,28 +282,174 @@ def check_and_set_locale(): system_locale = locale.getdefaultlocale() if None in system_locale: os.environ['LC_ALL'] = settings.getValue('DEFAULT_LOCALE') - logging.warning("Locale was not properly configured. Default values were set. Old locale: %s, New locale: %s", + _LOGGER.warning("Locale was not properly configured. Default values were set. Old locale: %s, New locale: %s", system_locale, locale.getdefaultlocale()) -def generate_final_report(path): +def generate_final_report(): """ Function will check if partial test results are available and generates final report in rst format. """ + path = settings.getValue('RESULTS_PATH') # check if there are any results in rst format rst_results = glob.glob(os.path.join(path, 'result*rst')) if len(rst_results): try: - test_report = os.path.join(path, _TEMPLATE_RST['final']) - retval = subprocess.call('cat {} {} {} > {}'.format(_TEMPLATE_RST['head'], ' '.join(rst_results), - _TEMPLATE_RST['foot'], test_report), shell=True) + test_report = os.path.join(path, '{}_{}'.format(settings.getValue('VSWITCH'), _TEMPLATE_RST['final'])) + # create report caption directly - it is not worth to execute jinja machinery + if settings.getValue('VSWITCH').lower() != 'none': + pkt_processor = Loader().get_vswitches()[settings.getValue('VSWITCH')].__doc__.strip().split('\n')[0] + else: + pkt_processor = Loader().get_pktfwds()[settings.getValue('PKTFWD')].__doc__.strip().split('\n')[0] + report_caption = '{}\n{} {}\n{}\n\n'.format( + '============================================================', + 'Performance report for', + pkt_processor, + '============================================================') + + with open(_TEMPLATE_RST['tmp'], 'w') as file_: + file_.write(report_caption) + + retval = subprocess.call('cat {} {} {} {} > {}'.format(_TEMPLATE_RST['tmp'], _TEMPLATE_RST['head'], + ' '.join(rst_results), _TEMPLATE_RST['foot'], + test_report), shell=True) if retval == 0 and os.path.isfile(test_report): - logging.info('Overall test report written to "%s"', test_report) + _LOGGER.info('Overall test report written to "%s"', test_report) else: - logging.error('Generatrion of overall test report has failed.') + _LOGGER.error('Generatrion of overall test report has failed.') + + # remove temporary file + os.remove(_TEMPLATE_RST['tmp']) + except subprocess.CalledProcessError: - logging.error('Generatrion of overall test report has failed.') + _LOGGER.error('Generatrion of overall test report has failed.') + + +def enable_sriov(nic_list): + """ Enable SRIOV for given enhanced PCI IDs + + :param nic_list: A list of enhanced PCI IDs + """ + # detect if sriov is required + sriov_nic = {} + for nic in nic_list: + if networkcard.is_sriov_nic(nic): + tmp_nic = nic.split('|') + if tmp_nic[0] in sriov_nic: + if int(tmp_nic[1][2:]) > sriov_nic[tmp_nic[0]]: + sriov_nic[tmp_nic[0]] = int(tmp_nic[1][2:]) + else: + sriov_nic.update({tmp_nic[0] : int(tmp_nic[1][2:])}) + + # sriov is required for some NICs + if len(sriov_nic): + for nic in sriov_nic: + # check if SRIOV is supported and enough virt interfaces are available + if not networkcard.is_sriov_supported(nic) \ + or networkcard.get_sriov_numvfs(nic) <= sriov_nic[nic]: + # if not, enable and set appropriate number of VFs + if not networkcard.set_sriov_numvfs(nic, sriov_nic[nic] + 1): + raise RuntimeError('SRIOV cannot be enabled for NIC {}'.format(nic)) + else: + _LOGGER.debug("SRIOV enabled for NIC %s", nic) + + # WORKAROUND: it has been observed with IXGBE(VF) driver, + # that NIC doesn't correclty dispatch traffic to VFs based + # on their MAC address. Unbind and bind to the same driver + # solves this issue. + networkcard.reinit_vfs(nic) + + # After SRIOV is enabled it takes some time until network drivers + # properly initialize all cards. + # Wait also in case, that SRIOV was already configured as it can be + # configured automatically just before vsperf execution. + time.sleep(2) + + return True + + return False + + +def disable_sriov(nic_list): + """ Disable SRIOV for given PCI IDs + + :param nic_list: A list of enhanced PCI IDs + """ + for nic in nic_list: + if networkcard.is_sriov_nic(nic): + if not networkcard.set_sriov_numvfs(nic.split('|')[0], 0): + raise RuntimeError('SRIOV cannot be disabled for NIC {}'.format(nic)) + else: + _LOGGER.debug("SRIOV disabled for NIC %s", nic.split('|')[0]) + + +def handle_list_options(args): + """ Process --list cli arguments if needed + + :param args: A dictionary with all CLI arguments + """ + if args['list_trafficgens']: + print(Loader().get_trafficgens_printable()) + sys.exit(0) + + if args['list_collectors']: + print(Loader().get_collectors_printable()) + sys.exit(0) + + if args['list_vswitches']: + print(Loader().get_vswitches_printable()) + sys.exit(0) + + if args['list_vnfs']: + print(Loader().get_vnfs_printable()) + sys.exit(0) + + if args['list_fwdapps']: + print(Loader().get_pktfwds_printable()) + sys.exit(0) + + if args['list_settings']: + print(str(settings)) + sys.exit(0) + + if args['list']: + # configure tests + if args['integration']: + testcases = settings.getValue('INTEGRATION_TESTS') + else: + testcases = settings.getValue('PERFORMANCE_TESTS') + + print("Available Tests:") + print("================") + + for test in testcases: + print('* %-30s %s' % ('%s:' % test['Name'], test['Description'])) + sys.exit(0) + + +def vsperf_finalize(): + """ Clean up before exit + """ + # remove directory if no result files were created + try: + results_path = settings.getValue('RESULTS_PATH') + if os.path.exists(results_path): + files_list = os.listdir(results_path) + if files_list == []: + _LOGGER.info("Removing empty result directory: " + results_path) + shutil.rmtree(results_path) + except AttributeError: + # skip it if parameter doesn't exist + pass + + # disable SRIOV if needed + try: + if settings.getValue('SRIOV_ENABLED'): + disable_sriov(settings.getValue('WHITELIST_NICS_ORIG')) + except AttributeError: + # skip it if parameter doesn't exist + pass class MockTestCase(unittest.TestCase): @@ -324,14 +487,11 @@ def main(): # configure settings - settings.load_from_dir('conf') - - performance_test = True + settings.load_from_dir(os.path.join(_CURR_DIR, 'conf')) # Load non performance/integration tests - if args['run_integration']: - performance_test = False - settings.load_from_dir('conf/integration') + if args['integration']: + settings.load_from_dir(os.path.join(_CURR_DIR, 'conf/integration')) # load command line parameters first in case there are settings files # to be used @@ -347,29 +507,16 @@ def main(): # than both a settings file and environment variables settings.load_from_dict(args) - vswitch_none = False - # set dpdk and ovs paths accorfing to VNF and VSWITCH - if settings.getValue('VSWITCH').endswith('Vanilla'): - # settings paths for Vanilla - settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_VANILLA'))) - elif settings.getValue('VSWITCH').endswith('Vhost'): - if settings.getValue('VNF').endswith('Cuse'): - # settings paths for Cuse - settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_CUSE'))) - settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_CUSE'))) - else: - # settings paths for VhostUser - settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_USER'))) - settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_USER'))) - else: - # default - set to VHOST USER but can be changed during enhancement - settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_USER'))) - settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_USER'))) - if 'none' == settings.getValue('VSWITCH').strip().lower(): - vswitch_none = True + settings.setValue('mode', args['mode']) + + # set dpdk and ovs paths according to VNF and VSWITCH + if settings.getValue('mode') != 'trafficgen': + functions.settings_update_paths() + + # if required, handle list-* operations + handle_list_options(args) configure_logging(settings.getValue('VERBOSITY')) - logger = logging.getLogger() # check and fix locale check_and_set_locale() @@ -378,12 +525,12 @@ def main(): if args['trafficgen']: trafficgens = Loader().get_trafficgens() if args['trafficgen'] not in trafficgens: - logging.error('There are no trafficgens matching \'%s\' found in' + _LOGGER.error('There are no trafficgens matching \'%s\' found in' ' \'%s\'. Exiting...', args['trafficgen'], settings.getValue('TRAFFICGEN_DIR')) sys.exit(1) - # configure vswitch + # configuration validity checks if args['vswitch']: vswitch_none = 'none' == args['vswitch'].strip().lower() if vswitch_none: @@ -391,7 +538,7 @@ def main(): else: vswitches = Loader().get_vswitches() if args['vswitch'] not in vswitches: - logging.error('There are no vswitches matching \'%s\' found in' + _LOGGER.error('There are no vswitches matching \'%s\' found in' ' \'%s\'. Exiting...', args['vswitch'], settings.getValue('VSWITCH_DIR')) sys.exit(1) @@ -400,7 +547,7 @@ def main(): settings.setValue('PKTFWD', args['fwdapp']) fwdapps = Loader().get_pktfwds() if args['fwdapp'] not in fwdapps: - logging.error('There are no forwarding application' + _LOGGER.error('There are no forwarding application' ' matching \'%s\' found in' ' \'%s\'. Exiting...', args['fwdapp'], settings.getValue('PKTFWD_DIR')) @@ -409,135 +556,110 @@ def main(): if args['vnf']: vnfs = Loader().get_vnfs() if args['vnf'] not in vnfs: - logging.error('there are no vnfs matching \'%s\' found in' + _LOGGER.error('there are no vnfs matching \'%s\' found in' ' \'%s\'. exiting...', args['vnf'], - settings.getValue('vnf_dir')) + settings.getValue('VNF_DIR')) sys.exit(1) - if args['duration']: - if args['duration'].isdigit() and int(args['duration']) > 0: - settings.setValue('duration', args['duration']) + if args['exact_test_name'] and args['tests']: + _LOGGER.error("Cannot specify tests with both positional args and --test.") + sys.exit(1) + + # modify NIC configuration to decode enhanced PCI IDs + wl_nics_orig = list(networkcard.check_pci(pci) for pci in settings.getValue('WHITELIST_NICS')) + settings.setValue('WHITELIST_NICS_ORIG', wl_nics_orig) + + # sriov handling is performed on checked/expanded PCI IDs + settings.setValue('SRIOV_ENABLED', enable_sriov(wl_nics_orig)) + + nic_list = [] + for nic in wl_nics_orig: + tmp_nic = networkcard.get_nic_info(nic) + if tmp_nic: + nic_list.append({'pci' : tmp_nic, + 'type' : 'vf' if networkcard.get_sriov_pf(tmp_nic) else 'pf', + 'mac' : networkcard.get_mac(tmp_nic), + 'driver' : networkcard.get_driver(tmp_nic), + 'device' : networkcard.get_device_name(tmp_nic)}) else: - logging.error('The selected Duration is not a number') - sys.exit(1) + vsperf_finalize() + raise RuntimeError("Invalid network card PCI ID: '{}'".format(nic)) - # update global settings - guest_loopback = get_test_param('guest_loopback', None) - if guest_loopback: - tmp_gl = [] - for i in range(len(settings.getValue('GUEST_LOOPBACK'))): - tmp_gl.append(guest_loopback) - settings.setValue('GUEST_LOOPBACK', tmp_gl) - - settings.setValue('mode', args['mode']) + settings.setValue('NICS', nic_list) + # for backward compatibility + settings.setValue('WHITELIST_NICS', list(nic['pci'] for nic in nic_list)) # generate results directory name date = datetime.datetime.fromtimestamp(time.time()) results_dir = "results_" + date.strftime('%Y-%m-%d_%H-%M-%S') results_path = os.path.join(settings.getValue('LOG_DIR'), results_dir) + settings.setValue('RESULTS_PATH', results_path) # create results directory if not os.path.exists(results_path): - logger.info("Creating result directory: " + results_path) + _LOGGER.info("Creating result directory: " + results_path) os.makedirs(results_path) if settings.getValue('mode') == 'trafficgen': # execute only traffic generator - logging.debug("Executing traffic generator:") + _LOGGER.debug("Executing traffic generator:") loader = Loader() # set traffic details, so they can be passed to traffic ctl - traffic = copy.deepcopy(TRAFFIC_DEFAULTS) - traffic.update({'traffic_type': get_test_param('traffic_type', 'rfc2544'), - 'bidir': get_test_param('bidirectional', False), - 'multistream': int(get_test_param('multistream', 0)), - 'stream_type': get_test_param('stream_type', 'L4'), - 'frame_rate': int(get_test_param('iload', 100))}) + traffic = copy.deepcopy(settings.getValue('TRAFFIC')) traffic_ctl = component_factory.create_traffic( traffic['traffic_type'], loader.get_trafficgen_class()) with traffic_ctl: traffic_ctl.send_traffic(traffic) - logging.debug("Traffic Results:") + _LOGGER.debug("Traffic Results:") traffic_ctl.print_results() + + # write results into CSV file + result_file = os.path.join(results_path, "result.csv") + PerformanceTestCase.write_result_to_file(traffic_ctl.get_results(), result_file) else: # configure tests - testcases = settings.getValue('PERFORMANCE_TESTS') - if args['run_integration']: + if args['integration']: testcases = settings.getValue('INTEGRATION_TESTS') - - all_tests = [] - for cfg in testcases: - try: - all_tests.append(TestCase(cfg, results_path, performance_test)) - except (Exception) as _: - logger.exception("Failed to create test: %s", - cfg.get('Name', '')) - raise - - # if required, handle list-* operations - - if args['list']: - print("Available Tests:") - print("======") - for test in all_tests: - print('* %-18s%s' % ('%s:' % test.name, test.desc)) - exit() - - if args['list_trafficgens']: - print(Loader().get_trafficgens_printable()) - exit() - - if args['list_collectors']: - print(Loader().get_collectors_printable()) - exit() - - if args['list_vswitches']: - print(Loader().get_vswitches_printable()) - exit() - - if args['list_vnfs']: - print(Loader().get_vnfs_printable()) - exit() - - if args['list_settings']: - print(str(settings)) - exit() - - # select requested tests - if args['exact_test_name'] and args['tests']: - logger.error("Cannot specify tests with both positional args and --test.") - sys.exit(1) + else: + testcases = settings.getValue('PERFORMANCE_TESTS') if args['exact_test_name']: exact_names = args['exact_test_name'] # positional args => exact matches only - selected_tests = [test for test in all_tests if test.name in exact_names] + selected_tests = [test for test in testcases if test['Name'] in exact_names] elif args['tests']: # --tests => apply filter to select requested tests - selected_tests = apply_filter(all_tests, args['tests']) + selected_tests = apply_filter(testcases, args['tests']) else: # Default - run all tests - selected_tests = all_tests + selected_tests = testcases - if not selected_tests: - logger.error("No tests matched --test option or positional args. Done.") + if not len(selected_tests): + _LOGGER.error("No tests matched --tests option or positional args. Done.") + vsperf_finalize() sys.exit(1) # run tests suite = unittest.TestSuite() - for test in selected_tests: + for cfg in selected_tests: + test_name = cfg.get('Name', '') try: + if args['integration']: + test = IntegrationTestCase(cfg) + else: + test = PerformanceTestCase(cfg) test.run() suite.addTest(MockTestCase('', True, test.name)) #pylint: disable=broad-except except (Exception) as ex: - logger.exception("Failed to run test: %s", test.name) - suite.addTest(MockTestCase(str(ex), False, test.name)) - logger.info("Continuing with next test...") + _LOGGER.exception("Failed to run test: %s", test_name) + suite.addTest(MockTestCase(str(ex), False, test_name)) + _LOGGER.info("Continuing with next test...") # generate final rst report with results of all executed TCs - generate_final_report(results_path) + generate_final_report() if settings.getValue('XUNIT'): xmlrunner.XMLTestRunner( @@ -550,25 +672,17 @@ def main(): opnfv_url = settings.getValue('OPNFV_URL') pkg_list = settings.getValue('PACKAGE_LIST') - int_data = {'cuse': False, - 'vanilla': False, + int_data = {'vanilla': False, 'pod': pod_name, 'installer': installer_name, 'pkg_list': pkg_list, 'db_url': opnfv_url} if settings.getValue('VSWITCH').endswith('Vanilla'): int_data['vanilla'] = True - if settings.getValue('VNF').endswith('Cuse'): - int_data['cuse'] = True opnfvdashboard.results2opnfv_dashboard(results_path, int_data) - #remove directory if no result files were created. - if os.path.exists(results_path): - files_list = os.listdir(results_path) - if files_list == []: - shutil.rmtree(results_path) + # cleanup before exit + vsperf_finalize() if __name__ == "__main__": main() - -