Re: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp regression

["Wang, Yinan" <yinan.wang@intel.com>]

Acked-by: Wang, Yinan <yinan.wang@intel.com>

> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of lihong
> Sent: 2019年8月22日 6:54
> To: dts@dpdk.org
> Cc: Ma, LihongX <lihongx.ma@intel.com>
> Subject: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp
> regression
> 
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
>  tests/TestSuite_virtio_pvp_regression.py | 458
> +++++++++++++++++++++++++++++++
>  1 file changed, 458 insertions(+)
>  create mode 100644 tests/TestSuite_virtio_pvp_regression.py
> 
> diff --git a/tests/TestSuite_virtio_pvp_regression.py
> b/tests/TestSuite_virtio_pvp_regression.py
> new file mode 100644
> index 0000000..902ac09
> --- /dev/null
> +++ b/tests/TestSuite_virtio_pvp_regression.py
> @@ -0,0 +1,458 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) <2019> Intel Corporation.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without #
> +modification, are permitted provided that the following conditions #
> +are met:
> +#
> +#   * Redistributions of source code must retain the above copyright
> +#     notice, this list of conditions and the following disclaimer.
> +#   * 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.
> +#   * Neither the name of Intel Corporation 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
> #
> +OWNER 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.
> +
> +"""
> +DPDK Test suite.
> +
> +This suite capture regression issue:
> +cover 2 queues + reconnect + multi qemu version + multi-paths with
> +virtio1.0 and virtio0.95 In this suite, the qemu will start as server
> +mode, and qemu supports server mode starting with version 2.7
> +
> +Can config the qemu version in config file like:
> +qemu =
> +    path=qemu-2.7/bin/qemu-system-x86_64;
> +    path=qemu-2.8/bin/qemu-system-x86_64;
> +"""
> +import re
> +import time
> +import utils
> +from test_case import TestCase
> +from settings import HEADER_SIZE
> +from virt_common import VM
> +from pktgen import PacketGeneratorHelper
> +
> +
> +class TestVirtioPVPRegression(TestCase):
> +    def set_up_all(self):
> +        # Get and verify the ports
> +        self.dut_ports = self.dut.get_ports()
> +        self.pf = self.dut_ports[0]
> +        # Get the port's socket
> +        netdev = self.dut.ports_info[self.pf]['port']
> +        self.socket = netdev.get_nic_socket()
> +        self.cores = self.dut.get_core_list("1S/3C/1T",
> +socket=self.socket)
> +
> +        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
> +        self.verify(len(self.cores) >= 3,
> +                    "There has not enought cores to test this suite")
> +        self.coremask = utils.create_mask(self.cores)
> +        self.memory_channel = self.dut.get_memory_channels()
> +        self.port_number = 2
> +        self.queues_number = 2
> +        self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
> +        self.vm_dut = None
> +        self.packet_params_set()
> +
> +        self.logger.info("You can config all the path of qemu version you want
> to" + \
> +                        " tested in the conf file %s.cfg" % self.suite_name)
> +        self.logger.info("You can config packet_size in file %s.cfg," %
> self.suite_name + \
> +                        " in region 'suite' like packet_sizes=[64, 128, 256]")
> +        # check the qemu version config in cfg file
> +        res = self.verify_qemu_version_config()
> +        self.verify(res is True, "The path of qemu version in config
> + file not right")
> +
> +        if len(set([int(core['socket']) for core in self.dut.cores])) == 1:
> +            self.socket_mem = '1024'
> +        else:
> +            self.socket_mem = '1024,1024'
> +
> +        # the path of pcap file
> +        self.out_path = '/tmp/%s' % self.suite_name
> +        out = self.tester.send_expect('ls -d %s' % self.out_path, '# ')
> +        if 'No such file or directory' in out:
> +            self.tester.send_expect('mkdir -p %s' % self.out_path, '# ')
> +        # create an instance to set stream field setting
> +        self.pktgen_helper = PacketGeneratorHelper()
> +
> +    def set_up(self):
> +        """
> +        Run before each test case.
> +        """
> +        self.vhost = self.dut.new_session(suite="vhost-user")
> +        self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> +    def packet_params_set(self):
> +        self.frame_sizes = [64, 1518]
> +        # get the frame_sizes from cfg file
> +        if 'packet_sizes' in self.get_suite_cfg():
> +            self.frame_sizes = self.get_suite_cfg()['packet_sizes']
> +
> +        self.virtio1_mac = "52:54:00:00:00:01"
> +        self.src1 = "192.168.4.1"
> +        self.header_row = ["case_info", "QemuVersion", "FrameSize(B)",
> +                        "Throughput(Mpps)", "LineRate(%)", "Queue
> Number",
> +                        "Cycle"]
> +
> +    def get_qemu_list_from_config(self):
> +        """
> +        get the config of qemu path in vm params
> +        """
> +        config_qemu = False
> +        params_num = len(self.vm.params)
> +        for qemu_index in range(params_num):
> +            if self.vm.params[qemu_index].keys()[0] == "qemu":
> +                qemu_num = len(self.vm.params[qemu_index]["qemu"])
> +                config_qemu = True
> +                break
> +        self.verify(config_qemu is True,
> +                "Please config qemu path which you want to test in conf file")
> +        self.qemu_pos = qemu_index
> +        self.qemu_list = self.vm.params[qemu_index]["qemu"]
> +
> +    def verify_qemu_version_config(self):
> +        """
> +        verify the config has config right qemu version
> +        """
> +        self.vm = VM(self.dut, 'vm0', self.suite_name)
> +        self.vm.load_config()
> +        # get qemu version list from config file
> +        self.get_qemu_list_from_config()
> +        qemu_num = len(self.qemu_list)
> +        for i in range(qemu_num):
> +            qemu_path = self.qemu_list[i]["path"]
> +
> +            out = self.dut.send_expect("ls %s" % qemu_path, "#")
> +            if 'No such file or directory' in out:
> +                self.logger.error("No emulator [ %s ] on the DUT [ %s ]" %
> +                                (qemu_path, self.dut.get_ip_address()))
> +                return False
> +            out = self.dut.send_expect("[ -x %s ];echo $?" % qemu_path, '# ')
> +            if out != '0':
> +                self.logger.error("Emulator [ %s ] not executable on the DUT
> [ %s ]" %
> +                                (qemu_path, self.dut.get_ip_address()))
> +                return False
> +
> +            out = self.dut.send_expect("%s --version" % qemu_path, "#")
> +            result = re.search("QEMU\s*emulator\s*version\s*(\d*.\d*)",
> out)
> +            version = result.group(1)
> +
> +            # verify the qemu version is greater or equal to 2.7
> +            index = version.find('.')
> +            self.verify(int(version[:index]) > 2 or (int(version[:index]) == 2
> +                        and int(version[index+1:]) >= 7),
> +                        'This qemu version should greater than 2.7 ' + \
> +                        'in this suite, please config it in %s.cfg file' %
> self.suite_name)
> +            # update the version info to self.qemu_list
> +            self.qemu_list[i].update({"version": "qemu-%s" % version})
> +
> +        # print all the qemu version you config
> +        config_qemu_version = ""
> +        for i in range(len(self.qemu_list)):
> +            config_qemu_version += self.qemu_list[i]["version"] + " "
> +        self.logger.info("The suite will test the qemu version of: %s"
> + % config_qemu_version)
> +
> +        return True
> +
> +    def rm_vm_qemu_path_config(self):
> +        """
> +        According it has config all qemu path, so pop the qemu path info in
> params
> +        when start the vm set the qemu path info
> +        """
> +        params_num = len(self.vm.params)
> +        for qemu_index in range(params_num):
> +            if self.vm.params[qemu_index].keys()[0] == "qemu":
> +                qemu_num = len(self.vm.params[qemu_index]["qemu"])
> +                break
> +        self.verify(qemu_index < params_num, "Please config qemu path in
> conf gile")
> +        self.vm.params.pop(qemu_index)
> +
> +    def rm_cpupin_info_from_config(self):
> +        """
> +        remove the cpupin param from vm_params
> +        when the cores in cpupin is the isolcpus, it will reduce the
> +        performance of pvp
> +        And if we not use the cpupin params(taskset -c xxx), it will use
> +        the cpu which not set in isolcpus, and it number equal to the vcpus
> +        """
> +        params_number = len(self.vm.params)
> +        for i in range(params_number):
> +            if self.vm.params[i].keys()[0] == 'cpu':
> +                if 'cpupin' in self.vm.params[i]['cpu'][0].keys():
> +                    self.vm.params[i]['cpu'][0].pop('cpupin')
> +
> +    def start_vm(self, qemu_path, qemu_version, modem, virtio_path):
> +        """
> +        start vm
> +        """
> +        self.vm = VM(self.dut, 'vm0', self.suite_name)
> +        vm_params = {}
> +        vm_params['driver'] = 'vhost-user'
> +        vm_params['opt_path'] = './vhost-net'
> +        vm_params['opt_mac'] = self.virtio1_mac
> +        vm_params['opt_server'] = 'server'
> +        vm_params['opt_queue'] = self.queues_number
> +
> +        # if the qemu version greater or equal to 2.10, the args should add
> +        # 'rx_queue_size=1024,tx_queue_size=1024'
> +        opt_args = 'mq=on,vectors=15'
> +        version = qemu_version[qemu_version.find('-')+1:]
> +        index = version.find('.')
> +        if (int(version[:index]) > 2 or int(version[index+1:]) >= 10):
> +            opt_args = 'rx_queue_size=1024,tx_queue_size=1024,' +
> + opt_args
> +
> +        if virtio_path == 'mergeable':
> +            opt_args = 'mrg_rxbuf=on,' + opt_args
> +        else:
> +            opt_args = 'mrg_rxbuf=off,' + opt_args
> +
> +        if modem == 1:
> +            opt_args = 'disable-modern=false,' + opt_args
> +        elif(modem == 0):
> +            opt_args = 'disable-modern=true,' + opt_args
> +        vm_params['opt_settings'] = opt_args
> +        self.vm.set_vm_device(**vm_params)
> +        self.vm.load_config()
> +        self.rm_vm_qemu_path_config()
> +        self.rm_cpupin_info_from_config()
> +        # set qemu version info
> +        self.vm.set_qemu_emulator(qemu_path)
> +        # Due to we have change the params info before,
> +        # so need to start vm with load_config=False
> +        try:
> +            self.vm_dut = self.vm.start(load_config=False)
> +            if self.vm_dut is None:
> +                raise Exception("Set up VM ENV failed")
> +        except Exception as e:
> +            self.logger.error("ERROR: Failure for %s" % str(e))
> +
> +    def start_testpmd_as_vhost(self):
> +        """
> +        Launch the vhost testpmd
> +        """
> +        command_line_client = self.dut.target + "/app/testpmd -n %d -c %s \
> +            --socket-mem %s --file-prefix=vhost -w %s \
> +            --vdev 'eth_vhost0,iface=vhost-net,queues=%d,client=1' -- \
> +            -i --nb-cores=%d --rxq=%d --txq=%d  --txd=1024 --rxd=1024"
> +        command_line_client = command_line_client % (
> +                        self.memory_channel, self.coremask,
> self.socket_mem,
> +                        self.dut.ports_info[self.pf]['pci'],
> +                        self.queues_number, self.queues_number,
> self.queues_number,
> +                        self.queues_number)
> +        self.vhost.send_expect(command_line_client, "testpmd> ", 30)
> +        self.vhost.send_expect("set fwd mac", "testpmd> ", 30)
> +        self.vhost.send_expect("start", "testpmd> ", 30)
> +
> +    def start_testpmd_in_vm(self, vritio_path):
> +        """
> +        Start testpmd in vm
> +        """
> +        self.verify(len(self.vm_dut.cores) >= 3,
> +                'The vm does not have enough core to start testpmd, ' \
> +                'please config it in %s.cfg' % self.suite_name)
> +        if self.vm_dut is not None:
> +            opt_args = ''
> +            if vritio_path in ['mergeable', 'normal']:
> +                opt_args = '--enable-hw-vlan-strip'
> +            vm_testpmd = self.dut.target + "/app/testpmd -c 0x7 -n 4 " \
> +                "-- -i %s --nb-cores=%s " \
> +                "--rxq=%s --txq=%s --txd=1024 --rxd=1024"
> +            vm_testpmd = vm_testpmd % (opt_args, self.queues_number,
> +                        self.queues_number, self.queues_number)
> +            self.vm_dut.send_expect(vm_testpmd, "testpmd> ", 20)
> +            self.vm_dut.send_expect("set fwd mac", "testpmd> ", 20)
> +            self.vm_dut.send_expect("start", "testpmd> ")
> +
> +    def check_packets_of_each_queue(self, frame_size):
> +        """
> +        check each queue has receive packets
> +        """
> +        out = self.vhost.send_expect("stop", "testpmd> ", 60)
> +        print(out)
> +        for port_index in range(0, self.port_number):
> +            for queue_index in range(0, self.queues_number):
> +                queue_info = re.findall("RX\s*Port=\s*%d/Queue=\s*%d" %
> +                                (port_index, queue_index),  out)
> +                queue = queue_info[0]
> +                index = out.find(queue)
> +                rx = re.search("RX-packets:\s*(\d*)", out[index:])
> +                tx = re.search("TX-packets:\s*(\d*)", out[index:])
> +                rx_packets = int(rx.group(1))
> +                tx_packets = int(tx.group(1))
> +                self.verify(rx_packets > 0 and tx_packets > 0,
> +                      "The queue %d rx-packets or tx-packets is 0 about " %
> +                      queue_index + \
> +                      "frame_size:%d, rx-packets:%d, tx-packets:%d" %
> +                      (frame_size, rx_packets, tx_packets))
> +
> +        self.vhost.send_expect("start", "testpmd> ", 60)
> +
> +    def send_verify(self, case_info, qemu_version, tag):
> +        for frame_size in self.frame_sizes:
> +            info = "Running test %s, and %d frame size." % (self.running_case,
> frame_size)
> +            self.logger.info(info)
> +            payload = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> +            flow = '[Ether(dst="%s")/IP(src="%s")/("X"*%d)]' % (
> +                self.dst_mac, self.src1, payload)
> +
> self.tester.scapy_append('wrpcap("%s/pvp_diff_qemu_version.pcap", %s)' % (
> +                                self.out_path, flow))
> +            self.tester.scapy_execute()
> +
> +            tgenInput = []
> +            port = self.tester.get_local_port(self.pf)
> +            tgenInput.append((port, port,
> + "%s/pvp_diff_qemu_version.pcap" % self.out_path))
> +
> +            self.tester.pktgen.clear_streams()
> +            fields_config = {'ip':  {'dst': {'range': 127, 'step': 1, 'action':
> 'random'}, }, }
> +            streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgenInput, 100,
> +                                                fields_config,
> self.tester.pktgen)
> +            # set traffic option
> +            traffic_opt = {'delay': 5, 'duration': 20}
> +            _, pps =
> self.tester.pktgen.measure_throughput(stream_ids=streams,
> options=traffic_opt)
> +            Mpps = pps / 1000000.0
> +            pct = Mpps * 100 / float(self.wirespeed(self.nic, frame_size, 1))
> +            self.verify(Mpps != 0, "can not received data of frame size %d" %
> frame_size)
> +            # check each queue has data
> +            self.check_packets_of_each_queue(frame_size)
> +            # update print table info
> +            data_row = [case_info, qemu_version, frame_size, str(Mpps),
> +                        str(pct), self.queues_number, tag]
> +            self.result_table_add(data_row)
> +
> +    def close_testpmd_and_qemu(self):
> +        """
> +        stop testpmd in vhost and qemu
> +        close the qemu
> +        """
> +        self.vm_dut.send_expect("quit", "#", 20)
> +        self.vhost.send_expect("quit", "#", 20)
> +        self.vm.stop()
> +        self.dut.send_expect("killall -I testpmd", '#', 20)
> +        self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> +        self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> +    def pvp_regression_run(self, case_info, modem, virtio_path):
> +        """
> +        run different qemu verssion on different virtio path of pvp regression
> +        modem = 0, start vm as virtio 0.95
> +        modem = 1, start vm as virtio 1.0
> +        virtio_path = mergeable/normal/vector_rx
> +        """
> +        for i in range(len(self.qemu_list)):
> +            self.result_table_create(self.header_row)
> +            path = self.qemu_list[i]["path"]
> +            version = self.qemu_list[i]["version"]
> +            self.start_testpmd_as_vhost()
> +            # use different modem and different path to start vm
> +            self.start_vm(path, version, modem, virtio_path)
> +            self.start_testpmd_in_vm(virtio_path)
> +            self.logger.info("now testing the qemu path of %s" % path)
> +            time.sleep(5)
> +            self.send_verify(case_info, version, "before reconnect")
> +
> +            self.logger.info('now reconnect from vhost')
> +            self.dut.send_expect("killall -s INT testpmd", "# ")
> +            self.start_testpmd_as_vhost()
> +            self.send_verify(case_info, version, "reconnect from
> + vhost")
> +
> +            self.logger.info('now reconnect from vm')
> +            self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> +            self.start_vm(path, version, modem, virtio_path)
> +            self.start_testpmd_in_vm(virtio_path)
> +            self.send_verify(case_info, version, "reconnect from vm")
> +
> +            self.result_table_print()
> +            self.close_testpmd_and_qemu()
> +
> +    def test_perf_pvp_regression_with_mergeable_path(self):
> +        """
> +        Test the performance of one vm with virtio 0.95 on mergeable path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-0.95 mergeable'
> +        modem = 0
> +        virtio_path = 'mergeable'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def test_perf_pvp_regression_modern_mergeable_path(self):
> +        """
> +        Test the performance of one vm with virtio 1.0 on mergeable path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-1.0 mergeable'
> +        modem = 1
> +        virtio_path = 'mergeable'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def test_perf_pvp_regression_normal_path(self):
> +        """
> +        Test the performance of one vm with virtio 0.95 on normal path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-0.95 normal'
> +        modem = 0
> +        virtio_path = 'normal'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def test_perf_pvp_regression_modern_normal_path(self):
> +        """
> +        Test the performance of one vm with virtio 1.0 on normal path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-1.0 normal'
> +        modem = 1
> +        virtio_path = 'normal'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def test_perf_pvp_regression_vector_rx_path(self):
> +        """
> +        Test the performance of one vm with virtio 0.95 on vector_rx path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-0.95 vector_rx'
> +        modem = 0
> +        virtio_path = 'vector_rx'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def test_perf_pvp_regression_modern_vector_rx_path(self):
> +        """
> +        Test the performance of one vm with virtio 1.0 on vector_rx path
> +        diff qemu + multi queue + reconnect
> +        """
> +        case_info = 'virtio-1.0 normal'
> +        modem = 1
> +        virtio_path = 'vector_rx'
> +        self.pvp_regression_run(case_info, modem, virtio_path)
> +
> +    def tear_down(self):
> +        """
> +        Run after each test case.
> +        Clear qemu and testpmd to avoid blocking the following TCs
> +        """
> +        self.dut.close_session(self.vhost)
> +        self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
> +        self.dut.send_expect("killall -s INT testpmd", "#")
> +        time.sleep(2)
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        pass
> --
> 2.7.4