Re: [dts] [PATCH V1] tests: add testsuite pvp vhost user reconnect

["Ma, LihongX" <lihongx.ma@intel.com>]

Tested-by: lihong<lihongx.ma@intel.com>

-----Original Message-----
From: Wang, Yinan 
Sent: Wednesday, July 17, 2019 2:18 PM
To: Ma, LihongX <lihongx.ma@intel.com>; dts@dpdk.org
Subject: RE: [dts][PATCH V1] tests: add testsuite pvp vhost user reconnect

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

> -----Original Message-----
> From: Ma, LihongX
> Sent: 2019年7月16日 9:11
> To: dts@dpdk.org
> Cc: Wang, Yinan <yinan.wang@intel.com>; Ma, LihongX 
> <lihongx.ma@intel.com>
> Subject: [dts][PATCH V1] tests: add testsuite pvp vhost user reconnect
> 
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
>  tests/TestSuite_pvp_vhost_user_reconnect.py | 407
> ++++++++++++++++++++++++++++
>  1 file changed, 407 insertions(+)
>  create mode 100644 tests/TestSuite_pvp_vhost_user_reconnect.py
> 
> diff --git a/tests/TestSuite_pvp_vhost_user_reconnect.py
> b/tests/TestSuite_pvp_vhost_user_reconnect.py
> new file mode 100644
> index 0000000..5568376
> --- /dev/null
> +++ b/tests/TestSuite_pvp_vhost_user_reconnect.py
> @@ -0,0 +1,407 @@
> +# 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.
> +
> +Vhost reconnect two VM test suite.
> +Becase this suite will use the reconnet feature, the VM will start as 
> +server mode, so the qemu version should greater than 2.7 """
> +import re
> +import utils
> +import time
> +from test_case import TestCase
> +from settings import HEADER_SIZE
> +from virt_common import VM
> +from pktgen import PacketGeneratorHelper
> +
> +
> +class TestPVPVhostUserReconnect(TestCase):
> +
> +    def set_up_all(self):
> +
> +        # Get and verify the ports
> +        self.dut_ports = self.dut.get_ports()
> +        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for
> + testing")
> +
> +        # Get the port's socket
> +        self.pf = self.dut_ports[0]
> +        netdev = self.dut.ports_info[self.pf]['port']
> +        self.socket = netdev.get_nic_socket()
> +        self.cores = self.dut.get_core_list("1S/2C/1T", socket=self.socket)
> +        self.coremask = utils.create_mask(self.cores)
> +        self.memory_channel = self.dut.get_memory_channels()
> +        self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
> +        # set diff arg about mem_socket base on socket number
> +        if len(set([int(core['socket']) for core in self.dut.cores])) == 1:
> +            self.socket_mem = '1024'
> +        else:
> +            self.socket_mem = '1024,1024'
> +
> +        self.reconnect_times = 5
> +        self.vm_num = 1
> +        self.frame_sizes = [64, 1518]
> +        self.virtio_ip = ["1.1.1.2", "1.1.1.3"]
> +        self.virtio_mac = ["52:54:00:00:00:01",
> +                            "52:54:00:00:00:02"]
> +        self.src1 = "192.168.4.1"
> +        self.dst1 = "192.168.3.1"
> +        self.checked_vm = False
> +        self.header_size = HEADER_SIZE['eth'] + HEADER_SIZE['ip'] + 
> + HEADER_SIZE['udp']
> +
> +        # create an instance to set stream field setting
> +        self.pktgen_helper = PacketGeneratorHelper()
> +
> +    def set_up(self):
> +        """
> +        run before each test case.
> +        clear the execution ENV
> +        """
> +        self.dut.send_expect("killall -s INT testpmd", "# ")
> +        self.dut.send_expect("killall -s INT qemu-system-x86_64", "# ")
> +        self.dut.send_expect("rm -rf ./vhost-net*", "# ")
> +        self.vhost_user = self.dut.new_session(suite="vhost-user")
> +
> +    def launch_testpmd_as_vhost_user(self):
> +        """
> +        launch the testpmd as vhost user
> +        """
> +        vdev_info = ""
> +        for i in range(self.vm_num):
> +            vdev_info += "--vdev
> 'net_vhost%d,iface=vhost-net%d,client=1,queues=1' " % (i, i)
> +        self.vhostapp_testcmd = self.dut.base_dir + \
> +                    "/%s/app/testpmd -c %s -n %d --socket-mem %s
> --legacy-mem" + \
> +                    " --file-prefix=vhost %s" + \
> +                    " -- -i --port-topology=chained --nb-cores=1" + \
> +                    " --txd=1024 --rxd=1024"
> +        self.vhostapp_testcmd = self.vhostapp_testcmd % (self.target,
> +                                self.coremask, self.memory_channel,
> +                                self.socket_mem, vdev_info)
> +        self.vhost_user.send_expect(self.vhostapp_testcmd, "testpmd> ", 40)
> +        self.vhost_user.send_expect("set fwd mac", "testpmd> ", 40)
> +        self.vhost_user.send_expect("start", "testpmd> ", 40)
> +
> +    def launch_testpmd_as_vhost_user_with_no_pci(self):
> +        """
> +        launch the testpmd as vhost user
> +        """
> +        vdev_info = ""
> +        for i in range(self.vm_num):
> +            vdev_info += "--vdev
> 'net_vhost%d,iface=vhost-net%d,client=1,queues=1' " % (i, i)
> +        self.vhostapp_testcmd = self.dut.base_dir + \
> +                    "/%s/app/testpmd -c %s -n %d --socket-mem %s
> --legacy-mem" + \
> +                    " --no-pci --file-prefix=vhost %s" + \
> +                    " -- -i --nb-cores=1 --txd=1024 --rxd=1024"
> +        self.vhostapp_testcmd = self.vhostapp_testcmd % (self.target,
> +                                self.coremask, self.memory_channel,
> +                                self.socket_mem, vdev_info)
> +        self.vhost_user.send_expect(self.vhostapp_testcmd, "testpmd> ", 40)
> +        self.vhost_user.send_expect("start", "testpmd> ", 40)
> +
> +    def check_link_status_after_testpmd_start(self, dut_info):
> +        """
> +        check the link status is up after testpmd start
> +        """
> +        loop = 1
> +        while(loop <= 5):
> +            out = dut_info.send_expect("show port info all", 
> + "testpmd> ",
> 120)
> +            port_status = re.findall("Link\s*status:\s*([a-z]*)", out)
> +            if("down" not in port_status):
> +                break
> +            time.sleep(3)
> +            loop = loop + 1
> +
> +        self.verify("down" not in port_status, "port can not up after
> + restart")
> +
> +    def check_qemu_version(self, vm_config):
> +        """
> +        in this suite, the qemu version should greater 2.7
> +        """
> +        if self.checked_vm:
> +            return
> +
> +        self.vm_qemu_version = vm_config.qemu_emulator
> +        params_number = len(vm_config.params)
> +        for i in range(params_number):
> +            if vm_config.params[i].keys()[0] == 'qemu':
> +                self.vm_qemu_version = 
> + vm_config.params[i]['qemu'][0]['path']
> +
> +        out = self.dut.send_expect("%s --version" % 
> + self.vm_qemu_version,
> "#")
> +        result = re.search("QEMU\s*emulator\s*version\s*(\d*.\d*)", out)
> +        self.verify(result is not None,
> +                'the qemu path may be not right: %s' %
> self.vm_qemu_version)
> +        version = result.group(1)
> +        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 vhost_sample.cfg file')
> +        self.checked_vm = True
> +
> +    def start_vms(self):
> +        """
> +        start two VM
> +        """
> +        self.vm_dut = []
> +        self.vm = []
> +        for i in range(self.vm_num):
> +            vm_info = VM(self.dut, 'vm%d' % i, 'vhost_sample')
> +            vm_params = {}
> +            vm_params['driver'] = 'vhost-user'
> +            vm_params['opt_path'] = './vhost-net%d' % (i)
> +            vm_params['opt_mac'] = '52:54:00:00:00:0%d' % (i+1)
> +            vm_params['opt_server'] = 'server'
> +            vm_params['opt_settings'] =
> 'mrg_rxbuf=on,rx_queue_size=1024,tx_queue_size=1024'
> +            vm_info.set_vm_device(**vm_params)
> +            self.check_qemu_version(vm_info)
> +
> +            try:
> +                vm_dut = None
> +                vm_dut = vm_info.start()
> +                if vm_dut is None:
> +                    raise Exception("Set up VM ENV failed")
> +            except Exception as e:
> +                print utils.RED("Failure for %s" % str(e))
> +            self.verify(vm_dut is not None, "start vm failed")
> +            self.vm_dut.append(vm_dut)
> +            self.vm.append(vm_info)
> +
> +    def vm_testpmd_start(self):
> +        """
> +        start testpmd in vm
> +        """
> +        vm_testpmd = self.dut.target + "/app/testpmd -c 0x3 -n 4 " + \
> +                        "-- -i --port-topology=chained --txd=1024 
> + --rxd=1024
> "
> +        for i in range(len(self.vm_dut)):
> +            self.vm_dut[i].send_expect(vm_testpmd, "testpmd> ", 20)
> +            self.vm_dut[i].send_expect("set fwd mac", "testpmd> ")
> +            self.vm_dut[i].send_expect("start", "testpmd> ")
> +
> +        self.check_link_status_after_testpmd_start(self.vhost_user)
> +
> +    def stop_all_apps(self):
> +        """
> +        quit the testpmd in vm and stop all apps
> +        """
> +        for i in range(len(self.vm_dut)):
> +            self.vm_dut[i].send_expect("stop", "testpmd> ", 20)
> +            self.vm_dut[i].send_expect("quit", "# ", 20)
> +            self.vm[i].stop()
> +        self.vhost_user.send_expect("quit", "# ", 20)
> +
> +    def config_vm_intf(self):
> +        """
> +        restore vm interfaces and config intf arp
> +        """
> +        for i in range(len(self.vm_dut)):
> +            self.vm_dut[i].restore_interfaces()
> +            time.sleep(5)
> +            vm_intf = self.vm_dut[i].ports_info[0]['intf']
> +            self.vm_dut[i].send_expect("ifconfig %s %s" %
> +                                    (vm_intf, self.virtio_ip[i]), "#", 10)
> +            self.vm_dut[i].send_expect("ifconfig %s up" % vm_intf, 
> + "#",
> + 10)
> +
> +        self.vm_dut[0].send_expect('arp -s %s %s' %
> +                                 (self.virtio_ip[1], 
> + self.virtio_mac[1]), '#',
> 10)
> +        self.vm_dut[1].send_expect('arp -s %s %s' %
> +                                 (self.virtio_ip[0], 
> + self.virtio_mac[0]), '#', 10)
> +
> +    def start_iperf(self):
> +        """
> +        start iperf
> +        """
> +        self.vm_dut[0].send_expect(
> +             'iperf -s -p 12345 -i 1 > iperf_server.log &', '', 10)
> +        self.vm_dut[1].send_expect(
> +            'iperf -c %s -p 12345 -i 1 -t 5 > iperf_client.log &' %
> +             self.virtio_ip[0], '', 60)
> +        time.sleep(20)
> +
> +    def iperf_result_verify(self, cycle, tinfo):
> +        """
> +        verify the Iperf test result
> +        """
> +        # copy iperf_client file from vm1
> +        self.vm_dut[1].session.copy_file_from("%s/iperf_client.log" %
> +                                        self.dut.base_dir)
> +        fp = open("./iperf_client.log")
> +        fmsg = fp.read()
> +        fp.close()
> +        iperfdata = re.compile('\S*\s*[M|G]bits/sec').findall(fmsg)
> +        self.verify(len(iperfdata) != 0, "The iperf data between to vms is 0")
> +        if cycle == 0:
> +            cinfo = "Before reconnet"
> +        else:
> +            cinfo = tinfo
> +        self.result_table_add(["vm2vm iperf", iperfdata[-1], cinfo])
> +
> +    def send_and_verify(self, cycle=0, tinfo=""):
> +        for frame_size in self.frame_sizes:
> +            payload = frame_size - self.header_size
> +            flow =
> '[Ether(dst="%s")/IP(src="%s",dst="%s")/UDP()/("X"*%d)]' % (
> +                    self.dst_mac, self.src1, self.dst1, payload)
> +            self.tester.scapy_append('wrpcap("reconnect.pcap", %s)' % flow)
> +            self.tester.scapy_execute()
> +
> +            tgenInput = []
> +            port = self.tester.get_local_port(self.pf)
> +            tgenInput.append((port, port, "reconnect.pcap"))
> +
> +            self.tester.pktgen.clear_streams()
> +            streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgenInput, 100,
> +                        None, self.tester.pktgen)
> +            traffic_opt = {'delay': 30, }
> +            _, pps =
> self.tester.pktgen.measure_throughput(stream_ids=streams,
> options=traffic_opt)
> +            Mpps = pps / 1000000.0
> +            self.verify(Mpps > 0, "can not receive packets of frame 
> + size %d" %
> (frame_size))
> +            pct = Mpps * 100 / \
> +                float(self.wirespeed(self.nic, frame_size, 1))
> +            if cycle == 0:
> +                data_row = [tinfo, frame_size, str(Mpps), str(pct),
> +                            "Before relaunch", "1"]
> +            elif cycle == 1:
> +                data_row = [tinfo, frame_size, str(Mpps), str(pct),
> +                            "After relaunch", "1"]
> +            self.result_table_add(data_row)
> +
> +    def test_perf_vhost_user_reconnet_one_vm(self):
> +        """
> +        test reconnect stability test of one vm
> +        """
> +        self.header_row = ["Mode", "FrameSize(B)", "Throughput(Mpps)",
> +                            "LineRate(%)", "Cycle", "Queue Number"]
> +        self.result_table_create(self.header_row)
> +        vm_cycle = 0
> +        self.vm_num = 1
> +        self.launch_testpmd_as_vhost_user()
> +        self.start_vms()
> +        self.vm_testpmd_start()
> +        self.send_and_verify(vm_cycle, "reconnet one vm")
> +
> +        vm_cycle = 1
> +        # reconnet from vhost
> +        self.logger.info('now reconnect from vhost')
> +        for i in range(self.reconnect_times):
> +            self.dut.send_expect("killall -s INT testpmd", "# ")
> +            self.launch_testpmd_as_vhost_user()
> +            self.send_and_verify(vm_cycle, "reconnet from vhost")
> +
> +        # reconnet from qemu
> +        self.logger.info('now reconnect from vm')
> +        for i in range(self.reconnect_times):
> +            self.dut.send_expect("killall -s INT qemu-system-x86_64", "# ")
> +            self.start_vms()
> +            self.vm_testpmd_start()
> +            self.send_and_verify(vm_cycle, "reconnet from VM")
> +        self.result_table_print()
> +        self.stop_all_apps()
> +
> +    def test_perf_vhost_user_reconnet_two_vms(self):
> +        """
> +        test reconnect stability test of two vms
> +        """
> +        self.header_row = ["Mode", "FrameSize(B)", "Throughput(Mpps)",
> +                            "LineRate(%)", "Cycle", "Queue Number"]
> +        self.result_table_create(self.header_row)
> +        vm_cycle = 0
> +        self.vm_num = 2
> +        self.launch_testpmd_as_vhost_user()
> +        self.start_vms()
> +        self.vm_testpmd_start()
> +        self.send_and_verify(vm_cycle, "reconnet two vm")
> +
> +        vm_cycle = 1
> +        # reconnet from vhost
> +        self.logger.info('now reconnect from vhost')
> +        for i in range(self.reconnect_times):
> +            self.dut.send_expect("killall -s INT testpmd", "# ")
> +            self.launch_testpmd_as_vhost_user()
> +            self.send_and_verify(vm_cycle, "reconnet from vhost")
> +
> +        # reconnet from qemu
> +        self.logger.info('now reconnect from vm')
> +        for i in range(self.reconnect_times):
> +            self.dut.send_expect("killall -s INT qemu-system-x86_64", "# ")
> +            self.start_vms()
> +            self.vm_testpmd_start()
> +            self.send_and_verify(vm_cycle, "reconnet from VM")
> +        self.result_table_print()
> +        self.stop_all_apps()
> +
> +    def test_perf_vhost_vm2vm_virtio_net_reconnet_two_vms(self):
> +        """
> +        test the iperf traffice can resume after reconnet
> +        """
> +        self.header_row = ["Mode", "[M|G]bits/sec", "Cycle"]
> +        self.result_table_create(self.header_row)
> +        self.vm_num = 2
> +        vm_cycle = 0
> +        self.launch_testpmd_as_vhost_user_with_no_pci()
> +        self.start_vms()
> +        self.config_vm_intf()
> +        self.start_iperf()
> +        self.iperf_result_verify(vm_cycle, 'before reconnet')
> +
> +        vm_cycle = 1
> +        # reconnet from vhost
> +        self.logger.info('now reconnect from vhost')
> +        for i in range(self.reconnect_times):
> +            self.dut.send_expect("killall -s INT testpmd", "# ")
> +            self.launch_testpmd_as_vhost_user_with_no_pci()
> +            self.start_iperf()
> +            self.iperf_result_verify(vm_cycle, 'reconnet from vhost')
> +
> +        # reconnet from VM
> +        self.logger.info('now reconnect from vm')
> +        for i in range(self.reconnect_times):
> +            self.vm_dut[0].send_expect('rm iperf_server.log', '# ', 10)
> +            self.vm_dut[1].send_expect('rm iperf_client.log', '# ', 10)
> +            self.dut.send_expect("killall -s INT qemu-system-x86_64", "# ")
> +            self.start_vms()
> +            self.config_vm_intf()
> +            self.start_iperf()
> +            self.iperf_result_verify(vm_cycle, 'reconnet from vm')
> +        self.result_table_print()
> +
> +    def tear_down(self):
> +        #
> +        # Run after each test case.
> +        #
> +        self.dut.send_expect("killall -s INT testpmd", "# ")
> +        self.dut.send_expect("killall -s INT qemu-system-x86_64", "# ")
> +        time.sleep(2)
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        pass
> --
> 2.7.4