Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use set_hugepage method in lisa

Best Python code snippet using lisa_python

setup_dpdk_env.py

Source:setup_dpdk_env.py

...19		bus_info = proc_shell(exe_str)20		bus_info = bus_info.split("\n")[0]21		return proc_shell("cat /sys/bus/pci/devices/" + bus_info + "/numa_node").split("\n")[0]2223def set_hugepage(numa_node, nr_hugepages):24	if None == nr_hugepages:25		nr_hugepages = 1024026	if None != numa_node:27		proc_shell("echo "+ str(nr_hugepages) + \28		" > /sys/devices/system/node/node" + str(numa_node) + "/hugepages/hugepages-2048kB/nr_hugepages")2930def bind_uio(RTE_SDK, RTE_TARGET, nic):31	if 0 == len(proc_shell('lsmod | grep uio')):32		proc_shell('modprobe uio')33	if 0 == len(proc_shell('lsmod | grep igb_uio')):34		proc_shell('insmod ' + RTE_SDK + '/' + RTE_TARGET + '/kmod/igb_uio.ko')35	if 0 < len(proc_shell('lsmod | grep igb_uio')):36		proc_shell('ifconfig ' + nic + ' down')37		proc_shell(RTE_SDK + '/tools/dpdk-devbind.py --bind=igb_uio ' + nic)3839if __name__ == "__main__":40	if len(sys.argv) > 2:41		print("USAGE: %s conf_file" % sys.argv[0])42		sys.exit(1)43	if False == os.path.exists(ENV_CONF_PATH):44		if 2 == len(sys.argv):45			conf_file = sys.argv[1]46	else:47		conf_file = ENV_CONF_PATH48	if None == conf_file:49		print('ERR: conf file not exist')50		sys.exit(1)5152	config = configparser.ConfigParser()53	config.read(conf_file)54	RTE_SDK = None55	RTE_TARGET = None56	has_var_section = config.has_section('VAR')57	if has_var_section:58		RTE_SDK=config.get('VAR', 'RTE_SDK')59		RTE_TARGET=config.get('VAR', 'RTE_TARGET')6061	#if RTE var not exist, get from system env var62	if None == RTE_SDK or 0 == len(RTE_SDK):63		RTE_SDK = os.environ.get('RTE_SDK')64		RTE_TARGET = os.environ.get('RTE_TARGET')65	if None == RTE_SDK or 0 == len(RTE_SDK):66		print('ERR: RTE_SDK or RTE_TARGET undefined')67		sys.exit(1)6869	nic = [None, None]70	nr_hugepages = [None, None]71	numa_node = [None, None]72	for i in range(0,2):73		nic[i] = config.get('NIC'+ str(i+1), 'name')74		if config.has_option('NIC' + str(i+1), 'nr_hugepages'):75			nr_hugepages[i] = int(config.get('NIC' + str(i+1), 'nr_hugepages'))76		if None != nic[i] and 0 < len(proc_shell('ifconfig ' + nic[i])):77			numa_node[i] = int(get_numa_node(nic[i]))78			set_hugepage(numa_node[i], nr_hugepages[i])79			bind_uio(RTE_SDK, RTE_TARGET, nic[i])80			81	if (None == numa_node[0]) and (None != numa_node[1]):82		set_hugepage(1 - numa_node[1], 1024)83	if (None == numa_node[1]) and (None != numa_node[0]):84		set_hugepage(1 - numa_node[0], 1024)85	if (numa_node[1] == numa_node[0]) and (None != numa_node[0]):86		set_hugepage(1 - numa_node[0], 1024)8788	proc_shell('mkdir /mnt/huge ; mount -t hugetlbfs nodev /mnt/huge')8990	#write RTE env var to conf file, in case of reboot91	if False == has_var_section:92		config = configparser.RawConfigParser()93		config.add_section('VAR')94		config.set('VAR', 'RTE_TARGET', RTE_TARGET)95		config.set('VAR', 'RTE_SDK', RTE_SDK)96		with open(conf_file, 'ab') as configfile:
...

hugepage_reset.py

Source:hugepage_reset.py

...18    :param test: QEMU test object.19    :param params: Dictionary with test parameters.20    :param env: Dictionary with the test environment.21    """22    def set_hugepage():23        """Set nr_hugepages"""24        for h_size in (origin_nr - 2, origin_nr + 2):25            hp_config.target_hugepages = h_size26            hp_config.set_hugepages()27            if params.get('on_numa_node'):28                logging.info('Set hugepage size %s to target node %s',29                             h_size, target_node)30                hp_config.set_node_num_huge_pages(h_size, target_node,31                                                  hugepage_size)32    origin_nr = int(params['origin_nr'])33    host_numa_node = utils_misc.NumaInfo()34    mem = int(float(utils_misc.normalize_data_size("%sM" % params["mem"])))35    if params.get('on_numa_node'):36        for target_node in host_numa_node.get_online_nodes_withmem():37            node_mem_free = host_numa_node.read_from_node_meminfo(38                target_node, 'MemFree')39            if int(node_mem_free) > mem:40                params['target_nodes'] = target_node41                params["qemu_command_prefix"] = ("numactl --membind=%s" %42                                                 target_node)43                params['target_num_node%s' % target_node] = origin_nr44                break45            logging.info(46                'The free memory of node %s is %s, is not enough for'47                ' guest memory: %s', target_node, node_mem_free, mem)48        else:49            test.cancel("No node on your host has sufficient free memory for "50                        "this test.")51    hp_config = test_setup.HugePageConfig(params)52    hp_config.target_hugepages = origin_nr53    logging.info('Setup hugepage number to %s', origin_nr)54    hp_config.setup()55    hugepage_size = utils_memory.get_huge_page_size()56    params['start_vm'] = "yes"57    vm_name = params['main_vm']58    env_process.preprocess_vm(test, params, env, vm_name)59    vm = env.get_vm(vm_name)60    params['stress_args'] = '--vm %s --vm-bytes 256M --timeout 30s' % (61            mem // 512)62    logging.info('Loading stress on guest.')63    stress = utils_test.VMStress(vm, 'stress', params)64    stress.load_stress_tool()65    time.sleep(30)66    stress.unload_stress()67    set_hugepage()68    hp_config.cleanup()...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.