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

[lihong <lihongx.ma@intel.com>]

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