Re: [dts] [PATCH V1] tests: add testsuite pvp virtio user 4k pages

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

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

> -----Original Message-----
> From: Ma, LihongX
> Sent: 2019年7月30日 7:06
> 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 virtio user 4k pages
> 
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
>  tests/TestSuite_pvp_virtio_user_4k_pages.py | 196
> ++++++++++++++++++++++++++++
>  1 file changed, 196 insertions(+)
>  create mode 100644 tests/TestSuite_pvp_virtio_user_4k_pages.py
> 
> diff --git a/tests/TestSuite_pvp_virtio_user_4k_pages.py
> b/tests/TestSuite_pvp_virtio_user_4k_pages.py
> new file mode 100644
> index 0000000..11079a4
> --- /dev/null
> +++ b/tests/TestSuite_pvp_virtio_user_4k_pages.py
> @@ -0,0 +1,196 @@
> +# 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/virtio-user pvp with 4K pages.
> +"""
> +
> +import utils
> +import time
> +from test_case import TestCase
> +from packet import Packet, save_packets from pktgen import
> +PacketGeneratorHelper
> +
> +
> +class TestPVPVirtioWith2Mhuge(TestCase):
> +
> +    def set_up_all(self):
> +        """
> +        Run at the start of each test suite.
> +        """
> +        self.core_config = "1S/4C/1T"
> +        self.dut_ports = self.dut.get_ports()
> +        self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
> +        self.cores_num = len([n for n in self.dut.cores if int(n['socket']) == 0])
> +        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
> +        self.verify(self.cores_num >= 4,
> +                    "There has not enought cores to test this suite %s" %
> +                    self.suite_name)
> +        # for this suite, only support for vfio-pci
> +        self.dut.send_expect('modprobe vfio-pci', '# ')
> +        for i in self.dut_ports:
> +            port = self.dut.ports_info[i]['port']
> +            port.bind_driver('vfio-pci')
> +
> +        self.core_list = self.dut.get_core_list(
> +            self.core_config, socket=self.ports_socket)
> +        self.core_list_virtio_user = self.core_list[0:2]
> +        self.core_list_vhost_user = self.core_list[2:4]
> +        self.core_mask_virtio_user =
> utils.create_mask(self.core_list_virtio_user)
> +        self.core_mask_vhost_user =
> utils.create_mask(self.core_list_vhost_user)
> +        self.mem_channels = self.dut.get_memory_channels()
> +        self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
> +        self.frame_sizes = [64, 128, 256, 512, 1024, 1518]
> +        self.logger.info("You can config packet_size in file %s.cfg," %
> self.suite_name + \
> +                        " in region 'suite' like packet_sizes=[64, 128, 256]")
> +        if 'packet_sizes' in self.get_suite_cfg():
> +            self.frame_sizes = self.get_suite_cfg()['packet_sizes']
> +
> +        self.out_path = '/tmp/%s' % self.suite_name
> +        out = self.tester.send_expect('ls -d %s' % self.out_path, '# ')
> +        if 'No such file or directory' in out:
> +            self.tester.send_expect('mkdir -p %s' % self.out_path, '# ')
> +        # create an instance to set stream field setting
> +        self.pktgen_helper = PacketGeneratorHelper()
> +
> +    def set_up(self):
> +        """
> +        Run before each test case.
> +        """
> +        self.dut.send_expect("rm -rf ./vhost-net*", "# ")
> +        self.dut.send_expect("killall -s INT testpmd", "# ")
> +        self.vhost_user = self.dut.new_session(suite="vhost-user")
> +        self.virtio_user = self.dut.new_session(suite="virtio-user")
> +        # Prepare the result table
> +        self.table_header = ['Frame']
> +        self.table_header.append("Mode")
> +        self.table_header.append("Mpps")
> +        self.table_header.append("Queue Num")
> +        self.table_header.append("% linerate")
> +        self.result_table_create(self.table_header)
> +
> +    def send_and_verify(self):
> +        """
> +        Send packet with packet generator and verify
> +        """
> +        for frame_size in self.frame_sizes:
> +            tgen_input = []
> +            rx_port = self.tester.get_local_port(self.dut_ports[0])
> +            tx_port = self.tester.get_local_port(self.dut_ports[0])
> +            pkt = Packet(pkt_type='UDP', pkt_len=frame_size)
> +            pkt.config_layer('ether', {'dst': '%s' % self.dst_mac})
> +            save_packets([pkt], "%s/vhost.pcap" % self.out_path)
> +            tgen_input.append((tx_port, rx_port, "%s/vhost.pcap" %
> + self.out_path))
> +
> +            self.tester.pktgen.clear_streams()
> +            streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgen_input, 100,
> +                            None, self.tester.pktgen)
> +            _, pps =
> self.tester.pktgen.measure_throughput(stream_ids=streams)
> +            Mpps = pps / 1000000.0
> +            self.verify(Mpps > 0, "%s can not receive packets" %
> (self.running_case))
> +            throughput = Mpps * 100 / \
> +                     float(self.wirespeed(self.nic, 64, 1))
> +
> +            results_row = [frame_size]
> +            results_row.append("4K pages")
> +            results_row.append(Mpps)
> +            results_row.append("1")
> +            results_row.append(throughput)
> +            self.result_table_add(results_row)
> +
> +    def start_testpmd_as_vhost(self):
> +        """
> +        Start testpmd on vhost
> +        """
> +        command_line_client = "%s/app/testpmd -c %s -n %d " + \
> +                              "--file-prefix=vhost  -m 1024 --no-huge " + \
> +                              "--vdev
> 'net_vhost0,iface=vhost-net,queues=1' -- -i " + \
> +                              "--no-numa --socket-num=0"
> +        command_line_client = command_line_client % (self.target,
> +                            self.core_mask_vhost_user,
> self.mem_channels)
> +        self.vhost_user.send_expect(command_line_client, "testpmd> ", 120)
> +        self.vhost_user.send_expect("start", "testpmd> ", 120)
> +
> +    def start_testpmd_as_virtio(self):
> +        """
> +        Start testpmd on virtio
> +        """
> +        command_line_user = "./%s/app/testpmd -n %d -c %s " + \
> +                            "--no-huge -m 1024 --file-prefix=virtio-user " +
> \
> +
> "--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net,queues=1 --
> -i"
> +        command_line_user = command_line_user % (self.target,
> +                self.mem_channels, self.core_mask_virtio_user)
> +        self.virtio_user.send_expect(command_line_user, "testpmd> ", 120)
> +        self.virtio_user.send_expect("start", "testpmd> ", 120)
> +
> +    def prepare_tmpfs_for_4k(self):
> +        """
> +        Prepare tmpfs with 4K-pages
> +        """
> +        self.dut.send_expect('mkdir -p /mnt/tmpfs_nohuge', '# ')
> +        self.dut.send_expect('mount tmpfs /mnt/tmpfs_nohuge -t tmpfs -o
> + size=4G', '# ')
> +
> +    def restore_env_of_tmpfs_for_4k(self):
> +        self.dut.send_expect('umount /mnt/tmpfs_nohuge', '# ')
> +
> +    def close_all_apps(self):
> +        """
> +        Close testpmd
> +        """
> +        self.virtio_user.send_expect("quit", "# ", 60)
> +        self.vhost_user.send_expect("quit", "# ", 60)
> +        self.dut.close_session(self.vhost_user)
> +        self.dut.close_session(self.virtio_user)
> +
> +    def test_perf_pvp_virtio_user_with_4K_pages(self):
> +        """
> +        Basic test for virtio-user 4K pages
> +        """
> +        self.start_testpmd_as_vhost()
> +        self.prepare_tmpfs_for_4k()
> +        self.start_testpmd_as_virtio()
> +        self.send_and_verify()
> +        self.result_table_print()
> +        self.close_all_apps()
> +
> +    def tear_down(self):
> +        """
> +        Run after each test case.
> +        """
> +        self.dut.send_expect("killall -s INT testpmd", "# ")
> +        self.restore_env_of_tmpfs_for_4k()
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        pass
> --
> 2.7.4