[V2,2/3] tests: add i40e_multi_driver_perf test script

  Signed-off-by: Yingya Han <yingyax.han@intel.com>
---
 tests/TestSuite_i40e_multi_driver_perf.py | 341 ++++++++++++++++++++++
 1 file changed, 341 insertions(+)
 create mode 100644 tests/TestSuite_i40e_multi_driver_perf.py
  

> -----Original Message-----
> From: Yingya Han <yingyax.han@intel.com>
> Sent: Tuesday, April 4, 2023 11:15 AM
> To: dts@dpdk.org
> Cc: Han, YingyaX <yingyax.han@intel.com>
> Subject: [dts][PATCH V2 2/3]tests: add i40e_multi_driver_perf test script
> 
> Signed-off-by: Yingya Han <yingyax.han@intel.com>
> ---
>  tests/TestSuite_i40e_multi_driver_perf.py | 341 ++++++++++++++++++++++
>  1 file changed, 341 insertions(+)
>  create mode 100644 tests/TestSuite_i40e_multi_driver_perf.py
> 
> diff --git a/tests/TestSuite_i40e_multi_driver_perf.py
> b/tests/TestSuite_i40e_multi_driver_perf.py
> new file mode 100644
> index 00000000..a1be9053
> --- /dev/null
> +++ b/tests/TestSuite_i40e_multi_driver_perf.py
> @@ -0,0 +1,341 @@
> +# SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2023 Intel
> +Corporation #
> +
> +"""
> +DPDK Test suite.
> +"""
> +
> +import os
> +import re
> +import time
> +from copy import deepcopy
> +
> +from framework.exception import VerifyFailure from framework.packet
> +import Packet from framework.pktgen import TRANSMIT_CONT from
> +framework.pmd_output import PmdOutput from framework.settings import
> +HEADER_SIZE from framework.test_case import TestCase from
> +framework.utils import convert_int2ip, convert_ip2int
> +
> +
> +class TestI40eMultiDriverPerf(TestCase):
> +    #
> +    # Test cases.
> +    #
> +    def set_up_all(self):
> +        """
> +        Run at the start of each test suite.
> +        """
> +        self.verify(
> +            self.nic in ["I40E_25G-25G_SFP28", "I40E_40G-QSFP_A"],
> +            "NIC Unsupported: " + str(self.nic),
> +        )

I think the suite also support other 710 series cards.
And checklist or supportlist should be added.

> +        self.rx_desc_size = self.get_suite_cfg().get("compile_rx_desc", 32)
> +        err_msg = (
> +            "Rx desc only has 16B and 32B size, %d is not valid" % self.rx_desc_size
> +        )
> +        self.verify(self.rx_desc_size == 16 or self.rx_desc_size == 32, err_msg)
> +        if self.rx_desc_size == 16:
> +            extra_options = "-Dc_args=-DRTE_LIBRTE_I40E_16BYTE_RX_DESC"
> +            self.dut.build_install_dpdk(self.target, extra_options=extra_options)

I don't see the requirement in test plan, "set RX descriptor to 16", Is it needed ?

> +        self.dut_ports = self.dut.get_ports(self.nic)
> +        self.verify(len(self.dut_ports) >= 1, "At least 1 port is required to test")
> +        # get socket and cores
> +        self.socket = self.dut.get_numa_id(self.dut_ports[0])
> +        cores = self.dut.get_core_list("1S/8C/1T", socket=self.socket)
> +        self.verify(cores, "Requested 8 cores failed")
> +        self.pmdout = PmdOutput(self.dut)
> +        self.core_offset = 3
> +        self.test_content =
> +self.get_test_content_from_cfg(self.get_suite_cfg())
> +
> +    def set_up(self):
> +        """
> +        Run before each test case.
> +        """
> +        self.test_result = {"header": [], "data": []}
> +
> +    def flows(self):
> +        """
> +        Return a list of packets that implements the flows described.
> +        """
> +        return [
> +            "198.18.0.0/24",
> +            "198.18.1.0/24",
> +            "198.18.2.0/24",
> +            "198.18.3.0/24",
> +            "198.18.4.0/24",
> +            "198.18.5.0/24",
> +            "198.18.6.0/24",
> +            "198.18.7.0/24",
> +        ]
> +
> +    def parse_test_config(self, config):
> +        """
> +        [n]C/[mT]-[i]Q
> +            n: how many physical core use for polling.
> +            m: how many cpu thread use for polling, if Hyper-threading disabled
> +            in BIOS, m equals n, if enabled, m is 2 times as n.
> +            i: how many queues use per port, so total queues = i x nb_port
> +        """
> +        pat = "(.*)/(.*)-(.*)"
> +        result = re.findall(pat, config)
> +        if not result:
> +            msg = f"{config} is wrong format, please check"
> +            raise VerifyFailure(msg)
> +        cores, threads, queue = result[0]
> +        _thread_num = int(int(threads[:-1]) // int(cores[:-1]))
> +
> +        _thread = str(_thread_num) + "T"
> +        _cores = str(self.core_offset + int(cores[:-1])) + "C"
> +        cores_config = "/".join(["1S", _cores, _thread])
> +        queues_per_port = int(queue[:-1])
> +        return cores_config, _thread_num, queues_per_port
> +
> +    def get_test_configs(self, test_parameters):
> +        configs = []
> +        frame_sizes_grp = []
> +        nb_desc = self.get_suite_cfg().get("rxtx_queue_size")
> +        for test_item, frame_sizes in sorted(test_parameters.items()):
> +            _frame_sizes = [int(frame_size) for frame_size in frame_sizes]
> +            frame_sizes_grp.extend([int(item) for item in _frame_sizes])
> +            cores, thread_num, queues = self.parse_test_config(test_item)
> +            corelist = self.dut.get_core_list(cores, self.socket)
> +            core_list = corelist[(self.core_offset - 1) * thread_num :]
> +            if "2T" in cores:
> +                core_list = core_list[1:2] + core_list[0::2] + core_list[1::2][1:]
> +            _core_list = core_list[thread_num - 1 :]
> +            configs.append(
> +                [
> +                    test_item,
> +                    _core_list,
> +                    [
> +                        " --txd={0} --rxd={0}".format(nb_desc)
> +                        + " --rxq={0} --txq={0}".format(queues)
> +                        + " --nb-cores={}".format(len(core_list) - thread_num)
> +                    ],
> +                ]
> +            )
> +        return configs, sorted(set(frame_sizes_grp))
> +
> +    def get_test_content_from_cfg(self, test_content):
> +        test_content["flows"] = self.flows()
> +        configs, frame_sizes =
> self.get_test_configs(test_content["test_parameters"])
> +        test_content["configs"] = configs
> +        test_content["frame_sizes"] = frame_sizes
> +        return test_content
> +
> +    def get_mac_layer(self, port_id):
> +        smac = "02:00:00:00:00:0%d" % port_id
> +        dmac = "52:00:00:00:00:0%d" % port_id
> +        layer = {
> +            "ether": {
> +                "dst": dmac,
> +                "src": smac,
> +            },
> +        }
> +        return layer
> +
> +    def get_ipv4_config(self, config):
> +        netaddr, mask = config.split("/")
> +        ip_range = int("1" * (32 - int(mask)), 2)
> +        start_ip = convert_int2ip(convert_ip2int(netaddr) + 1)
> +        end_ip = convert_int2ip(convert_ip2int(start_ip) + ip_range - 1)
> +        layers = {
> +            "ipv4": {
> +                "src": start_ip,
> +            },
> +        }
> +        fields_config = {
> +            "ip": {
> +                "src": {
> +                    "start": start_ip,
> +                    "end": end_ip,
> +                    "step": 1,
> +                    "action": "random",
> +                },
> +            },
> +        }
> +        return layers, fields_config
> +
> +    def preset_flows_configs(self):
> +        flows = self.test_content.get("flows")
> +        flows_configs = []
> +        for index, config in enumerate(flows):
> +            if index >= len(self.dut_ports):
> +                break
> +            port_id = self.dut_ports[index]
> +            _layer = self.get_mac_layer(port_id)
> +            _layer2, fields_config = self.get_ipv4_config(config)
> +            _layer.update(_layer2)
> +            flows_configs.append([_layer, fields_config])
> +        return flows_configs
> +
> +    def preset_streams(self):
> +        frame_sizes = self.test_content.get("frame_sizes")
> +        test_streams = {}
> +        flows_configs = self.preset_flows_configs()
> +        for frame_size in frame_sizes:
> +            for flow_config in flows_configs:
> +                _layers, fields_config = flow_config
> +                pkt = self.config_stream(_layers, frame_size)
> +                test_streams.setdefault(frame_size, []).append([pkt, fields_config])
> +        return test_streams
> +
> +    def config_stream(self, layers, frame_size):
> +        """
> +        Prepare traffic flow
> +        """
> +        headers_size = sum([HEADER_SIZE[x] for x in ["eth", "ip"]])
> +        payload_size = frame_size - headers_size
> +        # set streams for traffic
> +        pkt_config = {
> +            "type": "IP_RAW",
> +            "pkt_layers": {"raw": {"payload": ["58"] * payload_size}},
> +        }
> +        pkt_config["pkt_layers"].update(layers)
> +        pkt_type = pkt_config.get("type")
> +        pkt_layers = pkt_config.get("pkt_layers")
> +        pkt = Packet(pkt_type=pkt_type)
> +        for layer in list(pkt_layers.keys()):
> +            pkt.config_layer(layer, pkt_layers[layer])
> +
> +        return pkt.pktgen.pkt
> +
> +    def add_stream_to_pktgen(self, streams, option):
> +        def port(index):
> +            p = self.tester.get_local_port(self.dut_ports[index])
> +            return p
> +
> +        topos = (
> +            [
> +                [port(index), port(index - 1)]
> +                if index % 2
> +                else [port(index), port(index + 1)]
> +                for index, _ in enumerate(self.dut_ports)
> +            ]
> +            if len(self.dut_ports) > 1
> +            else [[port(0), port(0)]]
> +        )
> +        stream_ids = []
> +        step = int(len(streams) / len(self.dut_ports))
> +        for cnt, stream in enumerate(streams):
> +            pkt, fields_config = stream
> +            index = cnt // step
> +            txport, rxport = topos[index]
> +            _option = deepcopy(option)
> +            _option["pcap"] = pkt
> +            if fields_config:
> +                _option["fields_config"] = fields_config
> +            stream_id = self.tester.pktgen.add_stream(txport, rxport, pkt)
> +            self.tester.pktgen.config_stream(stream_id, _option)
> +            stream_ids.append(stream_id)
> +        return stream_ids
> +
> +    def start_testpmd(self, core_list, pci_para, eal):
> +        self.pmdout.start_testpmd(core_list, eal, pci_para, socket=self.socket)
> +        self.pmdout.wait_link_status_up("all", timeout=60)
> +        self.dut.send_expect("start", "testpmd> ", 15)
> +
> +    def throughput(self, frame_size):
> +        streams = self.stream.get(frame_size)
> +        # set traffic option
> +        duration = self.test_content.get("test_duration")
> +        traffic_stop_wait_time = self.test_content.get("traffic_stop_wait_time", 0)
> +        # clear streams before add new streams
> +        self.tester.pktgen.clear_streams()
> +        # ser stream into pktgen
> +        stream_option = {
> +            "stream_config": {
> +                "txmode": {},
> +                "transmit_mode": TRANSMIT_CONT,
> +                "rate": 100,
> +            }
> +        }
> +        traffic_option = {
> +            "method": "throughput",
> +            "duration": duration,
> +        }
> +        stream_ids = self.add_stream_to_pktgen(streams, stream_option)
> +        # run packet generator
> +        result = self.tester.pktgen.measure(stream_ids, traffic_option)
> +        time.sleep(traffic_stop_wait_time)
> +        # statistics result
> +        _, pps = result
> +        self.verify(pps > 0, "No traffic detected")
> +        self.logger.info(
> +            "Throughput of "
> +            + "framesize: {}, is: {} Mpps".format(frame_size, pps / 1000000)
> +        )
> +        return result
> +
> +    def display_result(self, datas):
> +        # display result table
> +        header_row = ["Fwd Core", "Frame Size", "Throughput", "Rate"]
> +        self.test_result["header"] = header_row
> +        self.result_table_create(header_row)
> +        self.test_result["data"] = []
> +        for data in datas:
> +            config, frame_size, result = data
> +            _, pps = result
> +            pps /= 1000000.0
> +            linerate = self.wirespeed(self.nic, frame_size, len(self.dut_ports))
> +            percentage = pps * 100 / linerate
> +            data_row = [
> +                config,
> +                frame_size,
> +                "{:.3f} Mpps".format(pps),
> +                "{:.3f}%".format(percentage),
> +            ]
> +            self.result_table_add(data_row)
> +            self.test_result["data"].append(data_row)
> +        self.result_table_print()
> +
> +    def perf_test(self):
> +        """
> +        Benchmarking test
> +        """
> +        self.stream = self.preset_streams()
> +        # ports allow list
> +        pci_para = ""
> +        for port_id in self.dut_ports:
> +            pci_para += (
> +                "-a "
> +                + self.dut.ports_info[port_id]["port"].pci
> +                + ",support-multi-driver=1 "
> +            )
> +        results = []
> +        for config, core_list, eal in self.test_content["configs"]:
> +            self.logger.info(
> +                ("Executing Test Using cores: {0} of config {1}, ").format(
> +                    core_list, config
> +                )
> +            )
> +            self.start_testpmd(core_list, pci_para, eal[0])
> +            for frame_size in self.test_content["frame_sizes"]:
> +                self.logger.info("Test running at framesize: {}".format(frame_size))
> +                result = self.throughput(frame_size)
> +                if result:
> +                    results.append([config, frame_size, result])
> +            self.dut.send_expect("stop", "testpmd> ", 15)
> +            self.dut.send_expect("quit", "# ", 15)
> +        self.display_result(results)
> +
> +    def test_perf_enable_multi_driver(self):
> +        self.perf_test()
> +
> +    def tear_down(self):
> +        """
> +        Run after each test case.
> +        """
> +        pass
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        # resume setting
> +        if self.rx_desc_size == 16:
> +            self.dut.build_install_dpdk(self.target)
> +        self.dut.kill_all()
> --
> 2.34.1