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Date: Fri, 22 Jan 2016 17:18:03 +0800
From: "Liu, Yong" <yong.liu@intel.com>
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To: Jingguo Fu <jingguox.fu@intel.com>, dts@dpdk.org
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Subject: Re: [dts] [DTS][PATCH V2 1/3] virtio: update vhost cuse cases
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Thanks. Applied.

On 01/22/2016 04:45 PM, Jingguo Fu wrote:
> 1: optimize case
> 2: add get rx rate for generator
> 3: better way to check vhost.out file
> Signed-off-by: Jingguo Fu <jingguox.fu@intel.com>
> ---
>   tests/TestSuite_vhost_cuse_one_copy_one_vm.py | 438 +++++++++++++++++++++++++
>   tests/TestSuite_vhost_cuse_sample.py          | 454 --------------------------
>   tests/TestSuite_vhost_sample.py               | 425 ------------------------
>   tests/TestSuite_vhost_user_one_copy_one_vm.py | 425 ++++++++++++++++++++++++
>   4 files changed, 863 insertions(+), 879 deletions(-)
>   create mode 100644 tests/TestSuite_vhost_cuse_one_copy_one_vm.py
>   delete mode 100644 tests/TestSuite_vhost_cuse_sample.py
>   delete mode 100644 tests/TestSuite_vhost_sample.py
>   create mode 100644 tests/TestSuite_vhost_user_one_copy_one_vm.py
>
> diff --git a/tests/TestSuite_vhost_cuse_one_copy_one_vm.py b/tests/TestSuite_vhost_cuse_one_copy_one_vm.py
> new file mode 100644
> index 0000000..bff5760
> --- /dev/null
> +++ b/tests/TestSuite_vhost_cuse_one_copy_one_vm.py
> @@ -0,0 +1,438 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
> +# 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 Cuse one-copy sample test suite.
> +"""
> +import os
> +import dts
> +import string
> +import re
> +import time
> +from scapy.utils import wrpcap, rdpcap
> +from test_case import TestCase
> +from exception import VerifyFailure
> +from settings import HEADER_SIZE
> +from etgen import IxiaPacketGenerator
> +from qemu_kvm import QEMUKvm
> +
> +
> +class TestVhostCuseOneCopyOneVm(TestCase, IxiaPacketGenerator):
> +
> +    def set_up_all(self):
> +        # To Extend IXIA packet generator method, call the tester's method.
> +        self.tester.extend_external_packet_generator(TestVhostCuseOneCopyOneVm, self)
> +
> +        # Change config file to enable vhost-cuse compiled.
> +        self.dut.send_expect(
> +            "sed -i -e 's/CONFIG_RTE_LIBRTE_VHOST_USER=.*$/CONFIG_RTE_LIBRTE"
> +            "_VHOST_USER=n/' ./config/common_linuxapp",
> +            "# ",
> +            30)
> +        self.dut.build_install_dpdk(self.target)
> +        self.dut.send_expect("cd ./lib/librte_vhost", "#", 30)
> +        print self.dut.send_expect("make", "#", 30)
> +        self.dut.send_expect("cd ./eventfd_link", "#", 30)
> +        print self.dut.send_expect("make", "#", 30)
> +        self.dut.send_expect("cd ~/dpdk", "#", 30)
> +
> +        # build the vhost sample in vhost-cuse mode.
> +        if self.nic in ['niantic']:
> +            self.dut.send_expect(
> +                "sed -i -e 's/#define MAX_QUEUES.*$/#define MAX_QUEUES 128/' "
> +                "./examples/vhost/main.c",
> +                "#")
> +        else:
> +            self.dut.send_expect(
> +                "sed -i -e 's/#define MAX_QUEUES.*$/#define MAX_QUEUES 512/' "
> +                "./examples/vhost/main.c",
> +                "#")
> +        out = self.dut.send_expect("make -C examples/vhost", "#")
> +        self.verify("Error" not in out, "compilation error")
> +        self.verify("No such file" not in out, "Not found file error")
> +
> +        # Build target with modified config file
> +        self.dut.build_install_dpdk(self.target)
> +
> +        # 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/3C/1T", socket=self.socket)
> +
> +        # Set the params of vhost-cuse sample
> +        self.vhost_app = "./examples/vhost/build/vhost-switch"
> +        self.zero_copy = 0
> +        self.vm2vm = 0
> +        self.jumbo = 0
> +        self.vhost_test = self.vhost_app + \
> +            " -c %s -n %d --socket-mem 1024,1024 -- -p 0x1 --mergeable %d" + \
> +            " --zero-copy %d --vm2vm %d 2 > ./vhost.out &"
> +
> +        # Define the virtio/VM variables
> +        self.virtio1 = "eth1"
> +        self.virtio2 = "eth2"
> +        self.virtio1_mac = "52:54:00:00:00:01"
> +        self.virtio2_mac = "52:54:00:00:00:02"
> +        self.src1 = "192.168.4.1"
> +        self.src2 = "192.168.3.1"
> +        self.dst1 = "192.168.3.1"
> +        self.dst2 = "192.168.4.1"
> +        self.vm_dut = None
> +        self.virtio_cmd_params = \
> +        'csum=off,gso=off,guest_csum=off,guest_tso4=off,guest_tso6=off,guest_ecn=off'
> +        # Define the table columns
> +        self.header_row = ["FrameSize(B)", "RecvPackets(Mpps)", "SendPackets(Mpps)", "LineRate(%)"]
> +        self.memory_channel = 4
> +
> +    def set_up(self):
> +        #
> +        # Run before each test case.
> +        #
> +        # Launch vhost sample using default params
> +
> +        if "jumbo" in self.running_case:
> +            self.jumbo = 1
> +            self.frame_sizes = [64, 128, 256, 512, 1024, 1280, 1518, 2048, 5000, 9000]
> +            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> +                + " -- -i --txqflags=0xf00 " \
> +                + "--disable-hw-vlan-filter --max-pkt-len 9600"
> +        else:
> +            self.jumbo = 0
> +            self.frame_sizes = [64, 128, 256, 512, 1024, 1280, 1518]
> +            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> +                + " -- -i --txqflags=0xf00 --disable-hw-vlan-filter"
> +        self.dut.send_expect("rm -rf ./vhost.out", "#")
> +
> +        self.launch_vhost_sample()
> +
> +        # start VM with 2virtio
> +        self.start_onevm()
> +
> +    def launch_vhost_sample(self):
> +        #
> +        # Launch the vhost sample with different parameters
> +        #
> +        self.coremask = dts.create_mask(self.cores)
> +        self.vhostapp_testcmd = self.vhost_test % (
> +            self.coremask, self.memory_channel, self.jumbo, self.zero_copy, self.vm2vm)
> +        # Clean and prepare the vhost cuse modules
> +        self.dut.send_expect("rm -rf /dev/vhost-net", "#", 20)
> +        self.dut.send_expect("modprobe fuse", "#", 20)
> +        self.dut.send_expect("modprobe cuse", "#", 20)
> +        self.dut.send_expect("rmmod eventfd_link", "#", 20)
> +        self.dut.send_expect(
> +            "insmod lib/librte_vhost/eventfd_link/eventfd_link.ko",
> +            "#",
> +            20)
> +        self.dut.send_expect(self.vhostapp_testcmd, "# ", 40)
> +        time.sleep(30)
> +        try:
> +            print "Launch vhost sample\n"
> +            self.dut.session.copy_file_from("/root/dpdk/vhost.out")
> +            fp = open('./vhost.out', 'r')
> +            out = fp.read()
> +            fp.close()
> +            if "Error" in out:
> +                raise Exception("Launch vhost sample failed")
> +        except Exception as e:
> +            print dts.RED("Failed to launch vhost sample: %s" % str(e))
> +
> +    def start_onevm(self):
> +        #
> +        # Start One VM with 2 virtio devices
> +        #
> +
> +        self.vm = QEMUKvm(self.dut, 'vm0', 'vhost_cuse_sample')
> +        if "cuse" in self.running_case:
> +            vm_params = {}
> +            vm_params['driver'] = 'vhost-cuse'
> +            vm_params['opt_mac'] = self.virtio1_mac
> +            vm_params['opt_settings'] = self.virtio_cmd_params
> +            self.vm.set_vm_device(**vm_params)
> +
> +            vm_params['opt_mac'] = self.virtio2_mac
> +            vm_params['opt_settings'] = self.virtio_cmd_params
> +            self.vm.set_vm_device(**vm_params)
> +        try:
> +            self.vm_dut = self.vm.start()
> +            if self.vm_dut is None:
> +                raise Exception("Set up VM ENV failed")
> +        except Exception as e:
> +            print dts.RED("Failure for %s" % str(e))
> +
> +        return True
> +
> +    def vm_testpmd_start(self):
> +        #
> +        # Start testpmd in vm
> +        #
> +        if self.vm_dut is not None:
> +            # Start testpmd with user
> +            self.vm_dut.send_expect(self.vm_testpmd, "testpmd>", 20)
> +            # Start tx_first
> +            self.vm_dut.send_expect("start tx_first", "testpmd>")
> +
> +    def clear_vhost_env(self):
> +        #
> +        # Kill all vhost sample, shutdown VM
> +        #
> +        if self.vm_dut:
> +            self.vm_dut.kill_all()
> +            time.sleep(1)
> +        if self.vm:
> +            self.vm.stop()
> +            self.vm = None
> +
> +    def set_legacy_disablefw(self):
> +        #
> +        # Disable firewall and ip tables in legacy case
> +        #
> +        if self.vm_dut is not None:
> +            self.vm_dut.send_expect("systemctl stop firewalld.service", "#")
> +            self.vm_dut.send_expect("systemctl disable firewalld.service", "#")
> +            self.vm_dut.send_expect("systemctl stop ip6tables.service", "#")
> +            self.vm_dut.send_expect("systemctl disable ip6tables.service", "#")
> +            self.vm_dut.send_expect("systemctl stop iptables.service", "#")
> +            self.vm_dut.send_expect("systemctl disable iptables.service", "#")
> +            self.vm_dut.send_expect(
> +                "systemctl stop NetworkManager.service",
> +                "#")
> +            self.vm_dut.send_expect(
> +                "systemctl disable NetworkManager.service",
> +                "#")
> +            self.vm_dut.send_expect(
> +                "echo 1 >/proc/sys/net/ipv4/ip_forward",
> +                "#")
> +
> +    def set_onevm_legacy_fwd(self):
> +        if self.vm_dut is not None:
> +            ifcfg = self.vm_dut.send_expect("ifconfig -a", "#", 10)
> +            intfs = re.compile('eth\d').findall(ifcfg)
> +            # Get the virito1/virtio2's interface names
> +            for intf in intfs:
> +                out_mac = self.vm_dut.send_expect(
> +                    "ifconfig %s" %
> +                    intf, "#", 10)
> +                if self.virtio1_mac in out_mac:
> +                    self.virtio1 = intf
> +                if self.virtio2_mac in out_mac:
> +                    self.virtio2 = intf
> +            print "\nvirtio1's intf is %s" % self.virtio1
> +            print "\nvirtio2's intf is %s" % self.virtio2
> +            # Set the MTU for jumboframe enabled case
> +            if self.jumbo == 1:
> +                self.vm_dut.send_expect(
> +                    "ifconfig %s mtu 9000" %
> +                    self.virtio1, "#")
> +                self.vm_dut.send_expect(
> +                    "ifconfig %s mtu 9000" %
> +                    self.virtio2, "#")
> +            # Set the ipv4 fwd rules
> +            self.vm_dut.send_expect(
> +                "ip addr add 192.168.4.2/24 dev %s" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip addr add 192.168.3.2/24 dev %s" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect(
> +                "ip link set dev %s up" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip link set dev %s up" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect(
> +                "ip neigh add 192.168.4.1 lladdr 52:00:00:00:00:01 dev %s" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip neigh add 192.168.3.1 lladdr 52:00:00:00:00:02 dev %s" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect("ip route show", "#")
> +            print self.vm_dut.send_expect("arp -a", "#")
> +
> +    def get_transmission_results(self, rx_port_list, tx_port_list, delay=5):
> +        time.sleep(delay)
> +        recvbpsRate = 0
> +        recvRate = 0
> +        txbpsRate = 0
> +        txRate = 0
> +        for port in tx_port_list:
> +            self.stat_get_rate_stat_all_stats(port)
> +            out = self.send_expect('stat cget -framesSent', '%', 10)
> +            txRate += int(out.strip())
> +            self.logger.info("Port %s: TX %f Mpps" % (port, (txRate * 1.0 / 1000000)))
> +            out = self.send_expect('stat cget -bitsSent', '%', 10)
> +            txbpsRate += int(out.strip())
> +            self.logger.info("Port %s: TX %f Mbps" % (port, (txbpsRate * 1.0 / 1000000)))
> +        for port in rx_port_list:
> +            self.stat_get_rate_stat_all_stats(port)
> +            out = self.send_expect('stat cget -framesReceived', '%', 10)
> +            recvRate += int(out.strip())
> +            out = self.send_expect('stat cget -oversize', '%', 10)
> +            recvRate += int(out.strip())
> +            self.logger.info("Port %s: RX %f Mpps" % (port, (recvRate * 1.0 / 1000000)))
> +            out = self.send_expect('stat cget -bitsReceived', '%', 10)
> +            recvbpsRate += int(out.strip())
> +            self.logger.info("Port %s: RX %f Mbps" % (port, (recvbpsRate * 1.0 / 1000000)))
> +
> +        return (txRate,recvRate)
> +
> +    def send_verify(self, case, frame_sizes, vlan_id1=0):
> +        dts.results_table_add_header(self.header_row)
> +        for frame_size in frame_sizes:
> +            info = "Running test %s, and %d frame size.\n" % (case, frame_size)
> +            self.logger.info(info)
> +            payload = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> +            flow = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> +                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload)
> +            self.tester.scapy_append('wrpcap("flow.pcap", %s)' % flow)
> +            self.tester.scapy_execute()
> +
> +            tgenInput = []
> +            port = self.tester.get_local_port(self.pf)
> +            tgenInput.append((port, port, "flow.pcap"))
> +
> +            recvpkt, sendpkt = self.tester.traffic_generator_throughput(
> +                tgenInput, delay=15)
> +            recvpkt /= 1000000.0
> +            sendpkt /= 1000000.0
> +            pct = sendpkt * 100 / recvpkt
> +            data_row = [frame_size, str(recvpkt), str(sendpkt), str(pct)]
> +            dts.results_table_add_row(data_row)
> +        dts.results_table_print()
> +
> +    def test_perf_cuse_one_vm_legacy_fwd(self):
> +        #
> +        # Test the performance of one vm with 2virtio devices in legacy fwd
> +        #
> +
> +        self.vm_dut.restore_interfaces()
> +        # Setup legacy env
> +        self.set_legacy_disablefw()
> +        self.set_onevm_legacy_fwd()
> +        time.sleep(5)
> +
> +        self.dut.get_session_output(timeout=2)
> +        # print "\nclean out1:", out1
> +        self.dut.session.copy_file_from("/root/dpdk/vhost.out")
> +        fp = open('./vhost.out', 'r')
> +        out = fp.read()
> +        fp.close()
> +        # Get the VLAN ID for virtio
> +        print "Check the vlan info: \n"
> +        l1 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio1_mac)), out)
> +        if len(l1) > 0:
> +            vlan_id1 = l1[0]
> +            print "vlan_id1 is ", vlan_id1
> +        l2 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio2_mac)), out)
> +        if len(l2) > 0:
> +            vlan_id2 = l2[0]
> +            print "vlan_id2 is ", vlan_id2
> +
> +        self.send_verify(self.running_case, self.frame_sizes, vlan_id1)
> +        # Stop the Vhost sample
> +        self.dut.send_expect("killall -s INT vhost-switch", "#", 20)
> +
> +    def test_perf_cuse_one_vm_dpdk_fwd(self):
> +        #
> +        # Test the performance of one vm with 2virtio devices in legacy fwd
> +        #
> +
> +        # start testpmd on VM
> +        self.vm_testpmd_start()
> +        time.sleep(5)
> +        # Clean the output to make the next command can get correct answers
> +        self.dut.get_session_output(timeout=2)
> +        self.dut.session.copy_file_from("/root/dpdk/vhost.out")
> +        fp = open('./vhost.out', 'r')
> +        out = fp.read()
> +        fp.close()
> +        # Get the VLAN ID for virtio
> +        print "\ncheck the vlan info: \n"
> +        l1 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio1_mac)), out)
> +        if len(l1) > 0:
> +            vlan_id1 = l1[0]
> +            print vlan_id1
> +        l2 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio2_mac)), out)
> +        if len(l2) > 0:
> +            vlan_id2 = l2[0]
> +            print vlan_id2
> +
> +        self.send_verify(self.running_case, self.frame_sizes, vlan_id1)
> +
> +        # Stop testpmd
> +        self.vm_dut.send_expect("stop", "testpmd>")
> +        time.sleep(1)
> +        self.vm_dut.send_expect("quit", "# ")
> +
> +        # Stop the Vhost sample
> +        self.dut.send_expect("killall -s INT vhost-switch", "#")
> +
> +    def test_perf_cuse_one_vm_legacy_fwd_jumboframe(self):
> +        self.test_perf_cuse_one_vm_legacy_fwd()
> +
> +    def test_perf_cuse_one_vm_dpdk_fwd_jumboframe(self):
> +        self.test_perf_cuse_one_vm_dpdk_fwd()
> +
> +    def tear_down(self):
> +        #
> +        # Run after each test case.
> +        #
> +        self.clear_vhost_env()
> +        self.dut.kill_all()
> +        time.sleep(2)
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        # Restore the config file and recompile the package
> +        self.dut.send_expect(
> +            "sed -i -e 's/CONFIG_RTE_LIBRTE_VHOST_USER=.*$/CONFIG_RTE_LIBRTE_VHOST_USER=y/' "
> +            "./config/common_linuxapp",
> +            "# ",
> +            30)
> +        self.dut.build_install_dpdk(self.target)
> +        time.sleep(20)
> diff --git a/tests/TestSuite_vhost_cuse_sample.py b/tests/TestSuite_vhost_cuse_sample.py
> deleted file mode 100644
> index 7666d2f..0000000
> --- a/tests/TestSuite_vhost_cuse_sample.py
> +++ /dev/null
> @@ -1,454 +0,0 @@
> -# BSD LICENSE
> -#
> -# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
> -# 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 Cuse one-copy sample test suite.
> -"""
> -import os
> -import dts
> -import string
> -import re
> -import time
> -from scapy.utils import wrpcap, rdpcap
> -from test_case import TestCase
> -from exception import VerifyFailure
> -from settings import HEADER_SIZE
> -from etgen import IxiaPacketGenerator
> -from qemu_kvm import QEMUKvm
> -
> -
> -class TestVhostCUSESample(TestCase, IxiaPacketGenerator):
> -
> -    def set_up_all(self):
> -        # To Extend IXIA packet generator method, call the tester's method.
> -        self.tester.extend_external_packet_generator(TestVhostCUSESample, self)
> -
> -        # Change config file to enable vhost-cuse compiled.
> -        self.dut.send_expect(
> -            "sed -i -e 's/CONFIG_RTE_LIBRTE_VHOST_USER=.*$/CONFIG_RTE_LIBRTE"
> -            "_VHOST_USER=n/' ./config/common_linuxapp",
> -            "# ",
> -            30)
> -        self.dut.build_install_dpdk(self.target)
> -        self.dut.send_expect("cd ./lib/librte_vhost", "#", 30)
> -        print self.dut.send_expect("make", "#", 30)
> -        self.dut.send_expect("cd ./eventfd_link", "#", 30)
> -        print self.dut.send_expect("make", "#", 30)
> -        self.dut.send_expect("cd ~/dpdk", "#", 30)
> -
> -        # build the vhost sample in vhost-cuse mode.
> -        self.dut.send_expect(
> -            "sed -i -e 's/define MAX_QUEUES 512/define MAX_QUEUES 128/' "
> -            "./examples/vhost/main.c",
> -            "#")
> -        out = self.dut.send_expect("make -C examples/vhost", "#")
> -        self.verify("Error" not in out, "compilation error")
> -        self.verify("No such file" not in out, "Not found file error")
> -
> -        # Build target with modified config file
> -        self.dut.build_install_dpdk(self.target)
> -
> -        # 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/3C/1T", socket=self.socket)
> -
> -        # Set the params of vhost-cuse sample
> -        self.vhost_app = "./examples/vhost/build/vhost-switch"
> -        self.zero_copy = 0
> -        self.vm2vm = 0
> -        self.jumbo = 0
> -        self.vhost_test = self.vhost_app + \
> -            " -c %s -n %d --socket-mem 1024,1024 -- -p 0x1 --mergeable %d" + \
> -            " --zero-copy %d --vm2vm %d 2 > ./vhost.out &"
> -
> -        # Define the virtio/VM variables
> -        self.virtio1 = "eth1"
> -        self.virtio2 = "eth2"
> -        self.virtio1_mac = "52:54:00:00:00:01"
> -        self.virtio2_mac = "52:54:00:00:00:02"
> -        self.src1 = "192.168.4.1"
> -        self.src2 = "192.168.3.1"
> -        self.dst1 = "192.168.3.1"
> -        self.dst2 = "192.168.4.1"
> -        self.vm_dut = None
> -        self.virtio_cmd_params = 'csum=off,gso=off,guest_csum=off,guest_tso4=off,guest_tso6=off,guest_ecn=off'
> -        # Define the table columns
> -        self.header_row = ["Test", "Mode", "Frame", "Mpps", "% linerate"]
> -        self.memory_channel = 4
> -
> -    def set_up(self):
> -        #
> -        # Run before each test case.
> -        #
> -        # Launch vhost sample using default params
> -
> -        if "jumbo" in self.running_case:
> -            self.jumbo = 1
> -            self.frame_sizes = [
> -                68,
> -                128,
> -                256,
> -                512,
> -                1024,
> -                1280,
> -                1518,
> -                2048,
> -                5000,
> -                9000]
> -            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> -                + " -- -i --txqflags=0xf00 " \
> -                + "--disable-hw-vlan-filter --max-pkt-len 9600"
> -        else:
> -            self.jumbo = 0
> -            self.frame_sizes = [68, 128, 256, 512, 1024, 1280, 1518]
> -            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> -                + " -- -i --txqflags=0xf00 --disable-hw-vlan-filter"
> -        self.dut.send_expect("rm -rf ./vhost.out", "#")
> -
> -        self.launch_vhost_sample()
> -
> -        # start VM with 2virtio
> -        self.start_onevm()
> -
> -    def launch_vhost_sample(self):
> -        #
> -        # Launch the vhost sample with different parameters
> -        #
> -        self.coremask = dts.create_mask(self.cores)
> -        self.vhostapp_testcmd = self.vhost_test % (
> -            self.coremask, self.memory_channel, self.jumbo, self.zero_copy, self.vm2vm)
> -        # Clean and prepare the vhost cuse modules
> -        self.dut.send_expect("rm -rf /dev/vhost-net", "#", 20)
> -        self.dut.send_expect("modprobe fuse", "#", 20)
> -        self.dut.send_expect("modprobe cuse", "#", 20)
> -        self.dut.send_expect("rmmod eventfd_link", "#", 20)
> -        self.dut.send_expect(
> -            "insmod lib/librte_vhost/eventfd_link/eventfd_link.ko",
> -            "#",
> -            20)
> -        self.dut.send_expect(self.vhostapp_testcmd, "# ", 40)
> -        time.sleep(30)
> -        try:
> -            print "Launch vhost sample\n"
> -            out = self.dut.send_expect(
> -                "cat ./vhost.out",
> -                "VHOST_DATA: Procesing on",
> -                20)
> -            if "Error" in out:
> -                raise Exception("Launch vhost sample failed")
> -        except Exception as e:
> -            print dts.RED("Failed to launch vhost sample: %s" % str(e))
> -
> -    def start_onevm(self):
> -        #
> -        # Start One VM with 2 virtio devices
> -        #
> -
> -        self.vm = QEMUKvm(self.dut, 'vm0', 'vhost_sample')
> -        if "cuse" in self.running_case:
> -            vm_params = {}
> -            vm_params['driver'] = 'vhost-cuse'
> -            vm_params['opt_mac'] = self.virtio1_mac
> -            vm_params['opt_settings'] = self.virtio_cmd_params
> -            self.vm.set_vm_device(**vm_params)
> -
> -            vm_params['opt_mac'] = self.virtio2_mac
> -            vm_params['opt_settings'] = self.virtio_cmd_params
> -            self.vm.set_vm_device(**vm_params)
> -        try:
> -            self.vm_dut = self.vm.start(auto_portmap=False)
> -            if self.vm_dut is None:
> -                raise Exception("Set up VM ENV failed")
> -        except Exception as e:
> -            print dts.RED("Failure for %s" % str(e))
> -
> -        return True
> -
> -    def vm_testpmd_start(self):
> -        #
> -        # Start testpmd in vm
> -        #
> -        if self.vm_dut is not None:
> -            # Start testpmd with user
> -            self.vm_dut.send_expect(self.vm_testpmd, "testpmd>", 20)
> -            # Start tx_first
> -            self.vm_dut.send_expect("start tx_first", "testpmd>")
> -
> -    def clear_vhost_env(self):
> -        #
> -        # Kill all vhost sample, shutdown VM
> -        #
> -        if self.vm_dut:
> -            self.vm_dut.kill_all()
> -            time.sleep(1)
> -        if self.vm:
> -            self.vm.stop()
> -            self.vm = None
> -
> -    def set_legacy_disablefw(self):
> -        #
> -        # Disable firewall and ip tables in legacy case
> -        #
> -        if self.vm_dut is not None:
> -            self.vm_dut.send_expect("systemctl stop firewalld.service", "#")
> -            self.vm_dut.send_expect("systemctl disable firewalld.service", "#")
> -            self.vm_dut.send_expect("systemctl stop ip6tables.service", "#")
> -            self.vm_dut.send_expect("systemctl disable ip6tables.service", "#")
> -            self.vm_dut.send_expect("systemctl stop iptables.service", "#")
> -            self.vm_dut.send_expect("systemctl disable iptables.service", "#")
> -            self.vm_dut.send_expect(
> -                "systemctl stop NetworkManager.service",
> -                "#")
> -            self.vm_dut.send_expect(
> -                "systemctl disable NetworkManager.service",
> -                "#")
> -            self.vm_dut.send_expect(
> -                "echo 1 >/proc/sys/net/ipv4/ip_forward",
> -                "#")
> -
> -    def set_onevm_legacy_fwd(self):
> -        if self.vm_dut is not None:
> -            ifcfg = self.vm_dut.send_expect("ifconfig -a", "#", 10)
> -            intfs = re.compile('eth\d').findall(ifcfg)
> -            # Get the virito1/virtio2's interface names
> -            for intf in intfs:
> -                out_mac = self.vm_dut.send_expect(
> -                    "ifconfig %s" %
> -                    intf, "#", 10)
> -                if self.virtio1_mac in out_mac:
> -                    self.virtio1 = intf
> -                if self.virtio2_mac in out_mac:
> -                    self.virtio2 = intf
> -            print "\nvirtio1's intf is %s" % self.virtio1
> -            print "\nvirtio2's intf is %s" % self.virtio2
> -            # Set the MTU for jumboframe enabled case
> -            if self.jumbo == 1:
> -                self.vm_dut.send_expect(
> -                    "ifconfig %s mtu 9000" %
> -                    self.virtio1, "#")
> -                self.vm_dut.send_expect(
> -                    "ifconfig %s mtu 9000" %
> -                    self.virtio2, "#")
> -            # Set the ipv4 fwd rules
> -            self.vm_dut.send_expect(
> -                "ip addr add 192.168.4.2/24 dev %s" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip addr add 192.168.3.2/24 dev %s" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect(
> -                "ip link set dev %s up" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip link set dev %s up" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect(
> -                "ip neigh add 192.168.4.1 lladdr 52:00:00:00:00:01 dev %s" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip neigh add 192.168.3.1 lladdr 52:00:00:00:00:02 dev %s" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect("ip route show", "#")
> -            print self.vm_dut.send_expect("arp -a", "#")
> -
> -    def test_perf_cuse_one_vm_legacy_fwd(self):
> -        #
> -        # Test the performance of one vm with 2virtio devices in legacy fwd
> -        #
> -
> -        self.vm_dut.restore_interfaces()
> -        # Setup legacy env
> -        self.set_legacy_disablefw()
> -        self.set_onevm_legacy_fwd()
> -
> -        time.sleep(5)
> -
> -        out1 = self.dut.get_session_output(timeout=2)
> -        # print "\nclean out1:", out1
> -
> -        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> -        print out
> -        # Get the VLAN ID for virtio
> -        print "\ncheck the vlan info: \n"
> -        l1 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio1_mac)), out)
> -        if len(l1) > 0:
> -            vlan_id1 = l1[0]
> -            print "vlan_id1 is ", vlan_id1
> -        l2 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio2_mac)), out)
> -        if len(l2) > 0:
> -            vlan_id2 = l2[0]
> -            print "vlan_id2 is ", vlan_id2
> -
> -        dts.results_table_add_header(self.header_row)
> -
> -        # Create pcap file and ixia traffic
> -        for frame_size in self.frame_sizes:
> -            info = "Running test %s, and %d frame size.\n" % (
> -                self.running_case, frame_size)
> -            self.logger.info(info)
> -
> -            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> -            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> -            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> -
> -            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> -            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> -            self.tester.scapy_execute()
> -
> -        # Capture the performance
> -            tgenInput = []
> -            port = self.tester.get_local_port(self.pf)
> -            tgenInput.append((port, port, "flow2.pcap"))
> -
> -            _, pps = self.tester.traffic_generator_throughput(
> -                tgenInput, delay=15)
> -            pps /= 1000000.0
> -            linerate = self.wirespeed(self.nic, frame_size, 1)
> -            pct = pps * 100 / linerate
> -            scenario = self.running_case
> -            mode = "vhost cuse"
> -            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> -            dts.results_table_add_row(data_row)
> -
> -        dts.results_table_print()
> -
> -        # Stop the Vhost sample
> -        self.dut.send_expect("killall -s INT vhost-switch", "#", 20)
> -
> -    def test_perf_cuse_one_vm_dpdk_fwd(self):
> -        #
> -        # Test the performance of one vm with 2virtio devices in legacy fwd
> -        #
> -
> -        # start testpmd on VM
> -        self.vm_testpmd_start()
> -        time.sleep(5)
> -        # Clean the output to make the next command can get correct answers
> -        out_clean = self.dut.get_session_output(timeout=2)
> -        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> -        # Get the VLAN ID for virtio
> -        print "\nout:", out
> -        print "\ncheck the vlan info: \n"
> -        l1 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio1_mac)), out)
> -        if len(l1) > 0:
> -            vlan_id1 = l1[0]
> -            print vlan_id1
> -        l2 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio2_mac)), out)
> -        if len(l2) > 0:
> -            vlan_id2 = l2[0]
> -            print vlan_id2
> -
> -        dts.results_table_add_header(self.header_row)
> -
> -        # Create pcap file and ixia traffic
> -        for frame_size in self.frame_sizes:
> -            info = "Running test %s, and %d frame size.\n" % (
> -                self.running_case, frame_size)
> -            self.logger.info(info)
> -
> -            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> -            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> -            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> -            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> -            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> -            self.tester.scapy_execute()
> -
> -        # Capture the performance
> -            tgenInput = []
> -            port = self.tester.get_local_port(self.pf)
> -            tgenInput.append((port, port, "flow1.pcap"))
> -            tgenInput.append((port, port, "flow2.pcap"))
> -
> -            _, pps = self.tester.traffic_generator_throughput(
> -                tgenInput, delay=15)
> -            pps /= 1000000.0
> -            linerate = self.wirespeed(self.nic, frame_size, 1)
> -            pct = pps * 100 / linerate
> -            scenario = self.running_case
> -            mode = "vhost cuse"
> -            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> -            dts.results_table_add_row(data_row)
> -
> -        dts.results_table_print()
> -        # Stop testpmd
> -        print self.vm_dut.send_expect("stop", "testpmd>")
> -        time.sleep(1)
> -        self.vm_dut.send_expect("quit", "# ")
> -
> -        # Stop the Vhost sample
> -        self.dut.send_expect("killall -s INT vhost-switch", "#")
> -
> -    def test_perf_cuse_one_vm_legacy_fwd_jumboframe(self):
> -        self.test_perf_cuse_one_vm_legacy_fwd()
> -
> -    def test_perf_cuse_one_vm_dpdk_fwd_jumboframe(self):
> -        self.test_perf_cuse_one_vm_dpdk_fwd()
> -
> -    def tear_down(self):
> -        #
> -        # Run after each test case.
> -        #
> -        self.clear_vhost_env()
> -        self.dut.kill_all()
> -        time.sleep(2)
> -
> -    def tear_down_all(self):
> -        """
> -        Run after each test suite.
> -        """
> -        # Restore the config file and recompile the package
> -        self.dut.send_expect(
> -            "sed -i -e 's/CONFIG_RTE_LIBRTE_VHOST_USER=.*$/CONFIG_RTE_LIBRTE_VHOST_USER=y/' "
> -            "./config/common_linuxapp",
> -            "# ",
> -            30)
> -        self.dut.build_install_dpdk(self.target)
> -        time.sleep(20)
> diff --git a/tests/TestSuite_vhost_sample.py b/tests/TestSuite_vhost_sample.py
> deleted file mode 100644
> index 32e47ad..0000000
> --- a/tests/TestSuite_vhost_sample.py
> +++ /dev/null
> @@ -1,425 +0,0 @@
> -# BSD LICENSE
> -#
> -# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
> -# 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 user one-copy sample test suite.
> -"""
> -import os
> -import dts
> -import string
> -import re
> -import time
> -from scapy.utils import wrpcap, rdpcap
> -from test_case import TestCase
> -from exception import VerifyFailure
> -from settings import HEADER_SIZE
> -from etgen import IxiaPacketGenerator
> -from qemu_kvm import QEMUKvm
> -
> -
> -class TestVhostSample(TestCase, IxiaPacketGenerator):
> -
> -    def set_up_all(self):
> -        # To Extend IXIA packet generator method, call the tester's method.
> -        self.tester.extend_external_packet_generator(TestVhostSample, self)
> -
> -        # Build target with modified config file
> -        self.dut.build_install_dpdk(self.target)
> -
> -        # 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/3C/1T", socket=self.socket)
> -
> -        # Set the params of vhost sample
> -        self.vhost_app = "./examples/vhost/build/vhost-switch"
> -        self.zero_copy = 0
> -        self.vm2vm = 0
> -        self.jumbo = 0
> -
> -        # Using file to save the vhost sample output since in jumboframe case,
> -        # there will be lots of output
> -        self.vhost_test = self.vhost_app + \
> -            " -c %s -n %d --socket-mem 1024,1024 -- -p 0x1 --mergeable %d" + \
> -            " --zero-copy %d --vm2vm %d 2 > ./vhost.out &"
> -        # build the vhost sample in vhost-user mode.
> -        self.dut.send_expect(
> -            "sed -i -e 's/define MAX_QUEUES 512/define MAX_QUEUES 128/'"
> -            " ./examples/vhost/main.c",
> -            "#")
> -        out = self.dut.send_expect("make -C examples/vhost", "#")
> -        self.verify("Error" not in out, "compilation error")
> -        self.verify("No such file" not in out, "Not found file error")
> -
> -        # Define the virtio/VM variables
> -        self.virtio1 = "eth1"
> -        self.virtio2 = "eth2"
> -        self.virtio1_mac = "52:54:00:00:00:01"
> -        self.virtio2_mac = "52:54:00:00:00:02"
> -        self.src1 = "192.168.4.1"
> -        self.src2 = "192.168.3.1"
> -        self.dst1 = "192.168.3.1"
> -        self.dst2 = "192.168.4.1"
> -        self.vm_dut = None
> -
> -        self.header_row = ["Test", "Mode", "Frame", "Mpps", "% linerate"]
> -        self.memory_channel = 4
> -
> -    def set_up(self):
> -        #
> -        # Run before each test case.
> -        #
> -        # Launch vhost sample using default params
> -
> -        if "jumbo" in self.running_case:
> -            self.jumbo = 1
> -            self.frame_sizes = [
> -                68,
> -                128,
> -                256,
> -                512,
> -                1024,
> -                1280,
> -                1518,
> -                2048,
> -                5000,
> -                9000]
> -            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> -                + \
> -                " -- -i --txqflags=0xf00 --disable-hw-vlan-filter --max-pkt-len 9600"
> -        else:
> -            self.jumbo = 0
> -            self.frame_sizes = [68, 128, 256, 512, 1024, 1280, 1518]
> -            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> -                + " -- -i --txqflags=0xf00 --disable-hw-vlan-filter"
> -        self.dut.send_expect("rm -rf ./vhost.out", "#")
> -
> -        self.launch_vhost_sample()
> -
> -        print "Start VM with 2virtio\n"
> -        # start VM with 2virtio
> -        self.start_onevm()
> -
> -    def launch_vhost_sample(self):
> -        #
> -        # Launch the vhost sample with different parameters
> -        #
> -        self.coremask = dts.create_mask(self.cores)
> -        self.vhostapp_testcmd = self.vhost_test % (
> -            self.coremask, self.memory_channel, self.jumbo, self.zero_copy, self.vm2vm)
> -        self.dut.send_expect(self.vhostapp_testcmd, "# ", 40)
> -        time.sleep(30)
> -        try:
> -            print "Launch vhost sample\n"
> -            out = self.dut.send_expect(
> -                "cat ./vhost.out",
> -                "VHOST_CONFIG: bind to vhost-net",
> -                20)
> -            if "Error" in out:
> -                raise Exception("Launch vhost sample failed")
> -        except Exception as e:
> -            print dts.RED("Failed to launch vhost sample: %s" % str(e))
> -            self.dut.send_expect("rm -rf ./vhost-net", "#", 20)
> -
> -    def start_onevm(self):
> -        #
> -        # Start One VM with 2 virtio devices
> -        #
> -
> -        self.vm = QEMUKvm(self.dut, 'vm0', 'vhost_sample')
> -        if "user" in self.running_case:
> -            vm_params = {}
> -            vm_params['driver'] = 'vhost-user'
> -            vm_params['opt_path'] = './vhost-net'
> -            vm_params['opt_mac'] = self.virtio1_mac
> -            self.vm.set_vm_device(**vm_params)
> -            vm_params['opt_mac'] = self.virtio2_mac
> -            self.vm.set_vm_device(**vm_params)
> -
> -        try:
> -            self.vm_dut = self.vm.start(auto_portmap=False)
> -            if self.vm_dut is None:
> -                raise Exception("Set up VM ENV failed")
> -        except Exception as e:
> -            print dts.RED("Failure for %s" % str(e))
> -
> -        return True
> -
> -    def vm_testpmd_start(self):
> -        #
> -        # Start testpmd in vm
> -        #
> -        if self.vm_dut is not None:
> -            # Start testpmd with user
> -            self.vm_dut.send_expect(self.vm_testpmd, "testpmd>", 20)
> -            # Start tx_first
> -            self.vm_dut.send_expect("start tx_first", "testpmd>")
> -
> -    def clear_vhost_env(self):
> -        #
> -        # Kill all vhost sample, shutdown VM
> -        #
> -        if self.vm_dut:
> -            self.vm_dut.kill_all()
> -            time.sleep(1)
> -        if self.vm:
> -            self.vm.stop()
> -            self.vm = None
> -
> -    def set_legacy_disablefw(self):
> -        #
> -        # Disable firewall and iptables in legacy case
> -        #
> -        if self.vm_dut is not None:
> -            self.vm_dut.send_expect("systemctl stop firewalld.service", "#")
> -            self.vm_dut.send_expect("systemctl disable firewalld.service", "#")
> -            self.vm_dut.send_expect("systemctl stop ip6tables.service", "#")
> -            self.vm_dut.send_expect("systemctl disable ip6tables.service", "#")
> -            self.vm_dut.send_expect("systemctl stop iptables.service", "#")
> -            self.vm_dut.send_expect("systemctl disable iptables.service", "#")
> -            self.vm_dut.send_expect(
> -                "systemctl stop NetworkManager.service",
> -                "#")
> -            self.vm_dut.send_expect(
> -                "systemctl disable NetworkManager.service",
> -                "#")
> -            self.vm_dut.send_expect(
> -                "echo 1 >/proc/sys/net/ipv4/ip_forward",
> -                "#")
> -
> -    def set_onevm_legacy_fwd(self):
> -        if self.vm_dut is not None:
> -            ifcfg = self.vm_dut.send_expect("ifconfig -a", "#", 10)
> -            intfs = re.compile('eth\d').findall(ifcfg)
> -            # Find the virtio1 and virtio2's interface names
> -            for intf in intfs:
> -                out_mac = self.vm_dut.send_expect(
> -                    "ifconfig %s" %
> -                    intf, "#", 10)
> -                if self.virtio1_mac in out_mac:
> -                    self.virtio1 = intf
> -                if self.virtio2_mac in out_mac:
> -                    self.virtio2 = intf
> -            print "\nvirtio1's intf is %s" % self.virtio1
> -            print "\nvirtio2's intf is %s" % self.virtio2
> -            # Set the mtu 9000 if jumboframe is enabled.
> -            if self.jumbo == 1:
> -                self.vm_dut.send_expect(
> -                    "ifconfig %s mtu 9000" %
> -                    self.virtio1, "#")
> -                self.vm_dut.send_expect(
> -                    "ifconfig %s mtu 9000" %
> -                    self.virtio2, "#")
> -            # Set up the ip address/ipv4 fwd tables
> -            self.vm_dut.send_expect(
> -                "ip addr add 192.168.4.2/24 dev %s" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip addr add 192.168.3.2/24 dev %s" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect(
> -                "ip link set dev %s up" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip link set dev %s up" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect(
> -                "ip neigh add 192.168.4.1 lladdr 52:00:00:00:00:01 dev %s" %
> -                self.virtio1, "#")
> -            self.vm_dut.send_expect(
> -                "ip neigh add 192.168.3.1 lladdr 52:00:00:00:00:02 dev %s" %
> -                self.virtio2, "#")
> -            self.vm_dut.send_expect("ip route show", "#")
> -            print self.vm_dut.send_expect("arp -a", "#")
> -
> -    def test_perf_user_one_vm_legacy_fwd(self):
> -        #
> -        # Test the performance of one vm with 2virtio devices in legacy fwd
> -        #
> -        # Restore the virtio interfaces to use legacy driver
> -        self.vm_dut.restore_interfaces()
> -
> -        self.set_legacy_disablefw()
> -        # Set the legacy fwd rules then get the VLAN id from vhost sample
> -        # output
> -        self.set_onevm_legacy_fwd()
> -
> -        time.sleep(5)
> -        out_clean = self.dut.get_session_output(timeout=2)
> -        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> -        # Get the VLAN ID for virtio
> -        print out, "\ncheck the vlan info: \n"
> -        l1 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio1_mac)), out)
> -        if len(l1) > 0:
> -            vlan_id1 = l1[0]
> -            print "vlan_id1 is ", vlan_id1
> -        l2 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio2_mac)), out)
> -        if len(l2) > 0:
> -            vlan_id2 = l2[0]
> -            print "vlan_id2 is ", vlan_id2
> -
> -        dts.results_table_add_header(self.header_row)
> -
> -        # Create pcap file and ixia traffic
> -        for frame_size in self.frame_sizes:
> -            info = "Running test %s, and %d frame size.\n" % (
> -                self.running_case, frame_size)
> -            self.logger.info(info)
> -
> -            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> -            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> -            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> -
> -            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> -            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> -            self.tester.scapy_execute()
> -
> -        # Capture the performance
> -            tgenInput = []
> -            port = self.tester.get_local_port(self.pf)
> -            tgenInput.append((port, port, "flow2.pcap"))
> -
> -            _, pps = self.tester.traffic_generator_throughput(
> -                tgenInput, delay=15)
> -            pps /= 1000000.0
> -            linerate = self.wirespeed(self.nic, frame_size, 1)
> -            pct = pps * 100 / linerate
> -            scenario = self.running_case
> -            mode = "vhost user"
> -            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> -            dts.results_table_add_row(data_row)
> -
> -        dts.results_table_print()
> -
> -        # Stop the Vhost sample
> -        self.dut.send_expect("killall -s INT vhost-switch", "#", 20)
> -
> -    def test_perf_user_one_vm_dpdk_fwd(self):
> -        #
> -        # Test the performance of one vm with 2virtio devices in legacy fwd
> -        #
> -
> -        # start testpmd on VM
> -        self.vm_testpmd_start()
> -        time.sleep(5)
> -        # Clean the output to ensure the commands cat ./vhost.out can be sent
> -        # and got answered correctly.
> -        out_clean = self.dut.get_session_output(timeout=2)
> -        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> -        # Get the VLAN ID for virtio
> -        print out, "\ncheck the vlan info: \n"
> -        l1 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio1_mac)), out)
> -        if len(l1) > 0:
> -            vlan_id1 = l1[0]
> -            print vlan_id1
> -        l2 = re.findall(
> -            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> -            (str(self.virtio2_mac)), out)
> -        if len(l2) > 0:
> -            vlan_id2 = l2[0]
> -            print vlan_id2
> -
> -        dts.results_table_add_header(self.header_row)
> -
> -        # Create pcap file and ixia traffic
> -        for frame_size in self.frame_sizes:
> -            info = "Running test %s, and %d frame size.\n" % (
> -                self.running_case, frame_size)
> -            self.logger.info(info)
> -
> -            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> -            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> -            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> -                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> -            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> -            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> -            self.tester.scapy_execute()
> -
> -        # Capture the performance
> -            tgenInput = []
> -            port = self.tester.get_local_port(self.pf)
> -            tgenInput.append((port, port, "flow1.pcap"))
> -            tgenInput.append((port, port, "flow2.pcap"))
> -
> -            _, pps = self.tester.traffic_generator_throughput(
> -                tgenInput, delay=15)
> -            pps /= 1000000.0
> -            linerate = self.wirespeed(self.nic, frame_size, 1)
> -            pct = pps * 100 / linerate
> -            scenario = self.running_case
> -            mode = "vhost user"
> -            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> -            dts.results_table_add_row(data_row)
> -
> -        dts.results_table_print()
> -        # Stop testpmd
> -        print self.vm_dut.send_expect("stop", "testpmd>")
> -        time.sleep(1)
> -        self.vm_dut.send_expect("quit", "# ")
> -
> -        # Stop the Vhost sample
> -        self.dut.send_expect("killall -s INT vhost-switch", "#")
> -
> -    def test_perf_user_one_vm_legacy_fwd_jumboframe(self):
> -        self.test_perf_user_one_vm_legacy_fwd()
> -
> -    def test_perf_user_one_vm_dpdk_fwd_jumboframe(self):
> -        self.test_perf_user_one_vm_dpdk_fwd()
> -
> -    def tear_down(self):
> -        #
> -        # Run after each test case.
> -        #
> -        self.clear_vhost_env()
> -        self.dut.kill_all()
> -        time.sleep(2)
> -
> -    def tear_down_all(self):
> -        """
> -        Run after each test suite.
> -        """
> -        pass
> diff --git a/tests/TestSuite_vhost_user_one_copy_one_vm.py b/tests/TestSuite_vhost_user_one_copy_one_vm.py
> new file mode 100644
> index 0000000..32e47ad
> --- /dev/null
> +++ b/tests/TestSuite_vhost_user_one_copy_one_vm.py
> @@ -0,0 +1,425 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
> +# 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 user one-copy sample test suite.
> +"""
> +import os
> +import dts
> +import string
> +import re
> +import time
> +from scapy.utils import wrpcap, rdpcap
> +from test_case import TestCase
> +from exception import VerifyFailure
> +from settings import HEADER_SIZE
> +from etgen import IxiaPacketGenerator
> +from qemu_kvm import QEMUKvm
> +
> +
> +class TestVhostSample(TestCase, IxiaPacketGenerator):
> +
> +    def set_up_all(self):
> +        # To Extend IXIA packet generator method, call the tester's method.
> +        self.tester.extend_external_packet_generator(TestVhostSample, self)
> +
> +        # Build target with modified config file
> +        self.dut.build_install_dpdk(self.target)
> +
> +        # 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/3C/1T", socket=self.socket)
> +
> +        # Set the params of vhost sample
> +        self.vhost_app = "./examples/vhost/build/vhost-switch"
> +        self.zero_copy = 0
> +        self.vm2vm = 0
> +        self.jumbo = 0
> +
> +        # Using file to save the vhost sample output since in jumboframe case,
> +        # there will be lots of output
> +        self.vhost_test = self.vhost_app + \
> +            " -c %s -n %d --socket-mem 1024,1024 -- -p 0x1 --mergeable %d" + \
> +            " --zero-copy %d --vm2vm %d 2 > ./vhost.out &"
> +        # build the vhost sample in vhost-user mode.
> +        self.dut.send_expect(
> +            "sed -i -e 's/define MAX_QUEUES 512/define MAX_QUEUES 128/'"
> +            " ./examples/vhost/main.c",
> +            "#")
> +        out = self.dut.send_expect("make -C examples/vhost", "#")
> +        self.verify("Error" not in out, "compilation error")
> +        self.verify("No such file" not in out, "Not found file error")
> +
> +        # Define the virtio/VM variables
> +        self.virtio1 = "eth1"
> +        self.virtio2 = "eth2"
> +        self.virtio1_mac = "52:54:00:00:00:01"
> +        self.virtio2_mac = "52:54:00:00:00:02"
> +        self.src1 = "192.168.4.1"
> +        self.src2 = "192.168.3.1"
> +        self.dst1 = "192.168.3.1"
> +        self.dst2 = "192.168.4.1"
> +        self.vm_dut = None
> +
> +        self.header_row = ["Test", "Mode", "Frame", "Mpps", "% linerate"]
> +        self.memory_channel = 4
> +
> +    def set_up(self):
> +        #
> +        # Run before each test case.
> +        #
> +        # Launch vhost sample using default params
> +
> +        if "jumbo" in self.running_case:
> +            self.jumbo = 1
> +            self.frame_sizes = [
> +                68,
> +                128,
> +                256,
> +                512,
> +                1024,
> +                1280,
> +                1518,
> +                2048,
> +                5000,
> +                9000]
> +            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> +                + \
> +                " -- -i --txqflags=0xf00 --disable-hw-vlan-filter --max-pkt-len 9600"
> +        else:
> +            self.jumbo = 0
> +            self.frame_sizes = [68, 128, 256, 512, 1024, 1280, 1518]
> +            self.vm_testpmd = "./x86_64-native-linuxapp-gcc/app/testpmd -c 0x3 -n 3" \
> +                + " -- -i --txqflags=0xf00 --disable-hw-vlan-filter"
> +        self.dut.send_expect("rm -rf ./vhost.out", "#")
> +
> +        self.launch_vhost_sample()
> +
> +        print "Start VM with 2virtio\n"
> +        # start VM with 2virtio
> +        self.start_onevm()
> +
> +    def launch_vhost_sample(self):
> +        #
> +        # Launch the vhost sample with different parameters
> +        #
> +        self.coremask = dts.create_mask(self.cores)
> +        self.vhostapp_testcmd = self.vhost_test % (
> +            self.coremask, self.memory_channel, self.jumbo, self.zero_copy, self.vm2vm)
> +        self.dut.send_expect(self.vhostapp_testcmd, "# ", 40)
> +        time.sleep(30)
> +        try:
> +            print "Launch vhost sample\n"
> +            out = self.dut.send_expect(
> +                "cat ./vhost.out",
> +                "VHOST_CONFIG: bind to vhost-net",
> +                20)
> +            if "Error" in out:
> +                raise Exception("Launch vhost sample failed")
> +        except Exception as e:
> +            print dts.RED("Failed to launch vhost sample: %s" % str(e))
> +            self.dut.send_expect("rm -rf ./vhost-net", "#", 20)
> +
> +    def start_onevm(self):
> +        #
> +        # Start One VM with 2 virtio devices
> +        #
> +
> +        self.vm = QEMUKvm(self.dut, 'vm0', 'vhost_sample')
> +        if "user" in self.running_case:
> +            vm_params = {}
> +            vm_params['driver'] = 'vhost-user'
> +            vm_params['opt_path'] = './vhost-net'
> +            vm_params['opt_mac'] = self.virtio1_mac
> +            self.vm.set_vm_device(**vm_params)
> +            vm_params['opt_mac'] = self.virtio2_mac
> +            self.vm.set_vm_device(**vm_params)
> +
> +        try:
> +            self.vm_dut = self.vm.start(auto_portmap=False)
> +            if self.vm_dut is None:
> +                raise Exception("Set up VM ENV failed")
> +        except Exception as e:
> +            print dts.RED("Failure for %s" % str(e))
> +
> +        return True
> +
> +    def vm_testpmd_start(self):
> +        #
> +        # Start testpmd in vm
> +        #
> +        if self.vm_dut is not None:
> +            # Start testpmd with user
> +            self.vm_dut.send_expect(self.vm_testpmd, "testpmd>", 20)
> +            # Start tx_first
> +            self.vm_dut.send_expect("start tx_first", "testpmd>")
> +
> +    def clear_vhost_env(self):
> +        #
> +        # Kill all vhost sample, shutdown VM
> +        #
> +        if self.vm_dut:
> +            self.vm_dut.kill_all()
> +            time.sleep(1)
> +        if self.vm:
> +            self.vm.stop()
> +            self.vm = None
> +
> +    def set_legacy_disablefw(self):
> +        #
> +        # Disable firewall and iptables in legacy case
> +        #
> +        if self.vm_dut is not None:
> +            self.vm_dut.send_expect("systemctl stop firewalld.service", "#")
> +            self.vm_dut.send_expect("systemctl disable firewalld.service", "#")
> +            self.vm_dut.send_expect("systemctl stop ip6tables.service", "#")
> +            self.vm_dut.send_expect("systemctl disable ip6tables.service", "#")
> +            self.vm_dut.send_expect("systemctl stop iptables.service", "#")
> +            self.vm_dut.send_expect("systemctl disable iptables.service", "#")
> +            self.vm_dut.send_expect(
> +                "systemctl stop NetworkManager.service",
> +                "#")
> +            self.vm_dut.send_expect(
> +                "systemctl disable NetworkManager.service",
> +                "#")
> +            self.vm_dut.send_expect(
> +                "echo 1 >/proc/sys/net/ipv4/ip_forward",
> +                "#")
> +
> +    def set_onevm_legacy_fwd(self):
> +        if self.vm_dut is not None:
> +            ifcfg = self.vm_dut.send_expect("ifconfig -a", "#", 10)
> +            intfs = re.compile('eth\d').findall(ifcfg)
> +            # Find the virtio1 and virtio2's interface names
> +            for intf in intfs:
> +                out_mac = self.vm_dut.send_expect(
> +                    "ifconfig %s" %
> +                    intf, "#", 10)
> +                if self.virtio1_mac in out_mac:
> +                    self.virtio1 = intf
> +                if self.virtio2_mac in out_mac:
> +                    self.virtio2 = intf
> +            print "\nvirtio1's intf is %s" % self.virtio1
> +            print "\nvirtio2's intf is %s" % self.virtio2
> +            # Set the mtu 9000 if jumboframe is enabled.
> +            if self.jumbo == 1:
> +                self.vm_dut.send_expect(
> +                    "ifconfig %s mtu 9000" %
> +                    self.virtio1, "#")
> +                self.vm_dut.send_expect(
> +                    "ifconfig %s mtu 9000" %
> +                    self.virtio2, "#")
> +            # Set up the ip address/ipv4 fwd tables
> +            self.vm_dut.send_expect(
> +                "ip addr add 192.168.4.2/24 dev %s" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip addr add 192.168.3.2/24 dev %s" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect(
> +                "ip link set dev %s up" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip link set dev %s up" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect(
> +                "ip neigh add 192.168.4.1 lladdr 52:00:00:00:00:01 dev %s" %
> +                self.virtio1, "#")
> +            self.vm_dut.send_expect(
> +                "ip neigh add 192.168.3.1 lladdr 52:00:00:00:00:02 dev %s" %
> +                self.virtio2, "#")
> +            self.vm_dut.send_expect("ip route show", "#")
> +            print self.vm_dut.send_expect("arp -a", "#")
> +
> +    def test_perf_user_one_vm_legacy_fwd(self):
> +        #
> +        # Test the performance of one vm with 2virtio devices in legacy fwd
> +        #
> +        # Restore the virtio interfaces to use legacy driver
> +        self.vm_dut.restore_interfaces()
> +
> +        self.set_legacy_disablefw()
> +        # Set the legacy fwd rules then get the VLAN id from vhost sample
> +        # output
> +        self.set_onevm_legacy_fwd()
> +
> +        time.sleep(5)
> +        out_clean = self.dut.get_session_output(timeout=2)
> +        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> +        # Get the VLAN ID for virtio
> +        print out, "\ncheck the vlan info: \n"
> +        l1 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio1_mac)), out)
> +        if len(l1) > 0:
> +            vlan_id1 = l1[0]
> +            print "vlan_id1 is ", vlan_id1
> +        l2 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio2_mac)), out)
> +        if len(l2) > 0:
> +            vlan_id2 = l2[0]
> +            print "vlan_id2 is ", vlan_id2
> +
> +        dts.results_table_add_header(self.header_row)
> +
> +        # Create pcap file and ixia traffic
> +        for frame_size in self.frame_sizes:
> +            info = "Running test %s, and %d frame size.\n" % (
> +                self.running_case, frame_size)
> +            self.logger.info(info)
> +
> +            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> +            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> +                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> +            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> +                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> +
> +            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> +            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> +            self.tester.scapy_execute()
> +
> +        # Capture the performance
> +            tgenInput = []
> +            port = self.tester.get_local_port(self.pf)
> +            tgenInput.append((port, port, "flow2.pcap"))
> +
> +            _, pps = self.tester.traffic_generator_throughput(
> +                tgenInput, delay=15)
> +            pps /= 1000000.0
> +            linerate = self.wirespeed(self.nic, frame_size, 1)
> +            pct = pps * 100 / linerate
> +            scenario = self.running_case
> +            mode = "vhost user"
> +            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> +            dts.results_table_add_row(data_row)
> +
> +        dts.results_table_print()
> +
> +        # Stop the Vhost sample
> +        self.dut.send_expect("killall -s INT vhost-switch", "#", 20)
> +
> +    def test_perf_user_one_vm_dpdk_fwd(self):
> +        #
> +        # Test the performance of one vm with 2virtio devices in legacy fwd
> +        #
> +
> +        # start testpmd on VM
> +        self.vm_testpmd_start()
> +        time.sleep(5)
> +        # Clean the output to ensure the commands cat ./vhost.out can be sent
> +        # and got answered correctly.
> +        out_clean = self.dut.get_session_output(timeout=2)
> +        out = self.dut.send_expect("cat ./vhost.out", "# ", 20)
> +        # Get the VLAN ID for virtio
> +        print out, "\ncheck the vlan info: \n"
> +        l1 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio1_mac)), out)
> +        if len(l1) > 0:
> +            vlan_id1 = l1[0]
> +            print vlan_id1
> +        l2 = re.findall(
> +            'MAC_ADDRESS.*?%s.*?and.*?VLAN_TAG.*?(\d+).*?registered' %
> +            (str(self.virtio2_mac)), out)
> +        if len(l2) > 0:
> +            vlan_id2 = l2[0]
> +            print vlan_id2
> +
> +        dts.results_table_add_header(self.header_row)
> +
> +        # Create pcap file and ixia traffic
> +        for frame_size in self.frame_sizes:
> +            info = "Running test %s, and %d frame size.\n" % (
> +                self.running_case, frame_size)
> +            self.logger.info(info)
> +
> +            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> +            flow1 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> +                self.virtio1_mac, vlan_id1, self.src1, self.dst1, payload_size)
> +            flow2 = '[Ether(dst="%s")/Dot1Q(vlan=%s)/IP(src="%s",dst="%s")/("X"*%d)]' % (
> +                self.virtio2_mac, vlan_id2, self.src2, self.dst2, payload_size)
> +            self.tester.scapy_append('wrpcap("flow1.pcap", %s)' % flow1)
> +            self.tester.scapy_append('wrpcap("flow2.pcap",%s)' % flow2)
> +            self.tester.scapy_execute()
> +
> +        # Capture the performance
> +            tgenInput = []
> +            port = self.tester.get_local_port(self.pf)
> +            tgenInput.append((port, port, "flow1.pcap"))
> +            tgenInput.append((port, port, "flow2.pcap"))
> +
> +            _, pps = self.tester.traffic_generator_throughput(
> +                tgenInput, delay=15)
> +            pps /= 1000000.0
> +            linerate = self.wirespeed(self.nic, frame_size, 1)
> +            pct = pps * 100 / linerate
> +            scenario = self.running_case
> +            mode = "vhost user"
> +            data_row = [scenario, mode, frame_size, str(pps), str(pct)]
> +            dts.results_table_add_row(data_row)
> +
> +        dts.results_table_print()
> +        # Stop testpmd
> +        print self.vm_dut.send_expect("stop", "testpmd>")
> +        time.sleep(1)
> +        self.vm_dut.send_expect("quit", "# ")
> +
> +        # Stop the Vhost sample
> +        self.dut.send_expect("killall -s INT vhost-switch", "#")
> +
> +    def test_perf_user_one_vm_legacy_fwd_jumboframe(self):
> +        self.test_perf_user_one_vm_legacy_fwd()
> +
> +    def test_perf_user_one_vm_dpdk_fwd_jumboframe(self):
> +        self.test_perf_user_one_vm_dpdk_fwd()
> +
> +    def tear_down(self):
> +        #
> +        # Run after each test case.
> +        #
> +        self.clear_vhost_env()
> +        self.dut.kill_all()
> +        time.sleep(2)
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        pass