[dts] [PATCH V1] Add test suite about vhost multi queue qemu

lihong lihongx.ma at intel.com
Fri Mar 9 08:28:30 CET 2018


Signed-off-by: lihong <lihongx.ma at intel.com>
---
 tests/TestSuite_vhost_multi_queue_qemu.py | 300 ++++++++++++++++++++++++++++++
 1 file changed, 300 insertions(+)
 create mode 100644 tests/TestSuite_vhost_multi_queue_qemu.py

diff --git a/tests/TestSuite_vhost_multi_queue_qemu.py b/tests/TestSuite_vhost_multi_queue_qemu.py
new file mode 100644
index 0000000..80a02bd
--- /dev/null
+++ b/tests/TestSuite_vhost_multi_queue_qemu.py
@@ -0,0 +1,300 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2018 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 PVP performance using Qemu test suite.
+"""
+import re
+import time
+import utils
+from scapy.utils import wrpcap
+from test_case import TestCase
+from settings import HEADER_SIZE
+from virt_common import VM
+
+
+class TestVhostUserOneCopyOneVm(TestCase):
+
+    def set_up_all(self):
+        # Get and verify the ports
+        self.dut_ports = self.dut.get_ports()
+        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
+        local_port = self.tester.get_local_port(self.dut_ports[0])
+        self.tx_interface = self.tester.get_interface(local_port)
+        # 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)
+        self.verify(self.cores is not None, "Insufficient cores for speed testing")
+
+        self.queue_number = 2
+
+        # Using file to save the vhost sample output since in jumboframe case,
+        # there will be lots of output
+
+        self.virtio1 = "eth1"
+        self.virtio1_mac = "52:54:00:00:00:01"
+        self.vm_dut = None
+
+        self.number_of_ports = 1
+        self.header_row = ["FrameSize(B)", "Throughput(Mpps)", "LineRate(%)", "Cycle"]
+        self.memory_channel = self.dut.get_memory_channels()
+
+    def set_up(self):
+        #
+        # Run before each test case.
+        #
+        self.dut.send_expect("rm -rf ./vhost.out", "#")
+        self.dut.send_expect("rm -rf ./vhost-net*", "#")
+        self.dut.send_expect("killall -s INT vhost-switch", "#")
+
+        self.frame_sizes = [64, 128, 256, 512, 1024, 1500]
+        self.vm_testpmd_vector = self.target + "/app/testpmd -c %s -n 3" + \
+                                 " -- -i --tx-offloads=0x0 " + \
+                                 " --rxq=%d --txq=%d --rss-ip --nb-cores=2" % (self.queue_number, self.queue_number)
+
+    def launch_testpmd(self, queue=2):
+        #
+        # Launch the vhost sample with different parameters
+        #
+        testcmd = self.target + "/app/testpmd -c %s -n %d --socket-mem 1024,1024" + \
+                       " --vdev 'net_vhost0,iface=vhost-net,queues=%d' -- -i --rxq=%d --txq=%d --nb-cores=2"
+        self.coremask = utils.create_mask(self.cores)
+        testcmd_start = testcmd % (self.coremask, self.memory_channel, queue, queue, queue)
+
+        self.vhost_user = self.dut.new_session(suite="user")
+
+        self.vhost_user.send_expect("cd /root/dpdk", "#", 120)
+        self.vhost_user.send_expect(testcmd_start, "testpmd> ", 120)
+        self.vhost_user.send_expect("set fwd mac", "testpmd> ", 120)
+        self.vhost_user.send_expect("start", "testpmd> ", 120)
+
+    def start_onevm(self, path=""):
+        #
+        # Start One VM with one virtio device
+        #
+        self.vm = VM(self.dut, 'vm0', 'vhost_sample')
+        if(path != ""):
+            self.vm.set_qemu_emulator(path)
+        vm_params = {}
+        vm_params['driver'] = 'vhost-user'
+        vm_params['opt_path'] = './vhost-net'
+        vm_params['opt_mac'] = self.virtio1_mac
+        vm_params['opt_queue'] = self.queue_number
+        vm_params['opt_settings'] = 'mrg_rxbuf=on,mq=on,vectors=6'
+
+        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:
+            self.logger.error("ERROR: Failure for %s" % str(e))
+
+        return True
+
+    def get_vm_coremask(self):
+        #
+        # Get the vm coremask
+        #
+        cores = self.vm_dut.get_core_list("1S/3C/1T")
+        self.verify(cores is not None, "Insufficient cores for speed testing, add the cpu number in cfg file.")
+        self.vm_coremask = utils.create_mask(cores)
+        
+    def send_performance(self, case, frame_sizes, tag="Performance"):
+        #
+        # Verify the testpmd can recive and forward the data
+        #
+        self.result_table_create(self.header_row)
+        for frame_size in frame_sizes:
+            info = "Running test %s, and %d frame size." % (case, frame_size)
+            self.logger.info(info)
+            payload_size = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip'] - HEADER_SIZE['udp']
+            tgenInput = []
+
+            self.tester.scapy_append('a= [Ether(dst="%s")/IP(dst="1.1.1.1")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+            self.tester.scapy_append('b= [Ether(dst="%s")/IP(dst="1.1.1.20")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+            self.tester.scapy_append('c= [Ether(dst="%s")/IP(dst="1.1.1.7")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+            self.tester.scapy_append('d= [Ether(dst="%s")/IP(dst="1.1.1.8")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+            self.tester.scapy_append('a= a + b + c + d')
+            self.tester.scapy_append('wrpcap("multiqueue_2.pcap", a)')
+            self.tester.scapy_execute()
+
+            port = self.tester.get_local_port(self.pf)
+            tgenInput.append((port, port, "multiqueue_2.pcap"))
+
+            _, pps = self.tester.traffic_generator_throughput(tgenInput, delay=30)
+            Mpps = pps / 1000000.0
+            pct = Mpps * 100 / float(self.wirespeed(self.nic, frame_size,
+                                     self.number_of_ports))
+            data_row = [frame_size, str(Mpps), str(pct), tag]
+            self.result_table_add(data_row)
+            self.verify(Mpps != 0, "The recive data of frame-size: %d is 0" % frame_size)
+        self.result_table_print()
+    
+    def send_scapy(self, verify_type):
+        #
+        # Verify the virtio-pmd can recive the data before/after change queue size
+        #
+        payload_size = 256 - HEADER_SIZE['eth'] - HEADER_SIZE['ip'] - HEADER_SIZE['udp']
+        self.tester.scapy_append('pk1 = [Ether(dst="%s")/IP(dst="1.1.1.1")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+        self.tester.scapy_append('pk2 = [Ether(dst="%s")/IP(dst="1.1.1.20")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+        self.tester.scapy_append('pk3 = [Ether(dst="%s")/IP(dst="1.1.1.7")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+        self.tester.scapy_append('pk4 = [Ether(dst="%s")/IP(dst="1.1.1.8")/UDP()/("X"*%d)]' % (self.virtio1_mac, payload_size))
+        self.tester.scapy_append('pk = pk1 + pk2 + pk3 + pk4')
+        self.tester.scapy_append('sendp(pk, iface="%s", count=10)' % (self.tx_interface))
+        self.tester.scapy_execute()
+
+        out = self.vhost_user.send_expect("show port stats 0", "testpmd> ", 120)
+        print out
+        rx_packet = re.search("RX-packets:\s*(\d*)", out)
+        rx_num = int(rx_packet.group(1))
+        tx_packet = re.search("TX-packets:\s*(\d*)", out)
+        tx_num = int(tx_packet.group(1))
+        if verify_type == "vhost queue = virtio queue" or verify_type == "vhost queue < virtio queue" :
+            verify_rx_num = 40
+            verify_tx_num = 40
+        elif verify_type == "vhost queue > virtio queue":
+            verify_rx_num = 40
+            verify_tx_num = 10
+
+        self.verify(rx_num >= verify_rx_num and tx_num >= verify_tx_num, "The vm port lost some packets")
+
+    def test_perf_pvp_multiqemu_mergeable_pmd(self):
+        #
+        # Test the performance for mergeable path
+        #
+        self.launch_testpmd()
+        self.start_onevm()
+        self.get_vm_coremask()
+
+        self.vm_dut.send_expect(self.vm_testpmd_vector % self.vm_coremask, "testpmd>", 20)
+        self.vm_dut.send_expect("set fwd mac", "testpmd>", 20)
+        self.vm_dut.send_expect("start", "testpmd>")
+        
+        self.vhost_user.send_expect("stop", "testpmd> ", 120)
+        self.vhost_user.send_expect("start", "testpmd> ", 120)
+        time.sleep(5)
+        self.send_performance(self.running_case, self.frame_sizes, "Virtio 0.95 Mergeable Multiqueue Performance")
+        self.vm_dut.kill_all()
+
+    def test_dynamic_change_virtio_queue_size(self):
+        #
+        # Test the performance for change vritio queue size
+        #
+        self.launch_testpmd()
+        self.start_onevm()
+        self.vm_testpmd_queue_1 = self.target + "/app/testpmd -c %s -n 3" + \
+                                  " -- -i --tx-offloads=0x0 " + \
+                                  " --rxq=1 --txq=1 --rss-ip --nb-cores=1"
+        self.get_vm_coremask()
+        self.vm_dut.send_expect(self.vm_testpmd_queue_1 % self.vm_coremask, "testpmd>", 20)
+        self.vm_dut.send_expect("set fwd mac", "testpmd>", 20)
+        self.vm_dut.send_expect("start", "testpmd>")
+
+        self.vhost_user.send_expect("clear port stats all", "testpmd> ", 120)
+        self.send_scapy("vhost queue > virtio queue")
+
+        self.vm_dut.send_expect("stop", "testpmd>", 20)
+        self.vm_dut.send_expect("port stop all", "testpmd>")
+        self.vm_dut.send_expect("port config all rxq 2", "testpmd>", 20)
+        self.vm_dut.send_expect("port config all txq 2", "testpmd>")
+        self.vm_dut.send_expect("port start all", "testpmd>", 20)
+        self.vm_dut.send_expect("start", "testpmd>")
+
+        self.vhost_user.send_expect("stop", "testpmd> ", 120)
+        self.vhost_user.send_expect("start", "testpmd> ", 120)
+
+        self.vhost_user.send_expect("clear port stats all", "testpmd> ", 120)
+        self.send_scapy("vhost queue = virtio queue")
+
+        self.vm_dut.kill_all()
+        self.vhost_user.send_expect("quit", "# ", 120)
+
+    def test_dynamic_change_vhost_queue_size(self):
+        #
+        # Test the performance for change vhost queue size
+        #
+        self.queue_number = 2
+        testcmd = self.target + "/app/testpmd -c %s -n %d --socket-mem 1024,1024" + \
+                       " --vdev 'net_vhost0,iface=vhost-net,queues=2' -- -i --rxq=1 --txq=1 --nb-cores=1"
+        self.coremask = utils.create_mask(self.cores)
+        testcmd_start = testcmd % (self.coremask, self.memory_channel)
+
+        self.vhost_user = self.dut.new_session(suite="user")
+
+        self.vhost_user.send_expect("cd /root/dpdk", "#", 120)
+        self.vhost_user.send_expect(testcmd_start, "testpmd> ", 120)
+        self.vhost_user.send_expect("set fwd mac", "testpmd> ", 120)
+        self.vhost_user.send_expect("start", "testpmd> ", 120)
+
+        self.start_onevm()
+
+        self.get_vm_coremask()
+        self.vm_dut.send_expect(self.vm_testpmd_vector % self.vm_coremask, "testpmd>", 20)
+        self.vm_dut.send_expect("set fwd mac", "testpmd>", 20)
+        self.vm_dut.send_expect("start", "testpmd>")
+        self.vhost_user.send_expect("clear port stats all", "testpmd> ", 120)
+
+        self.send_scapy("vhost queue < virtio queue")
+
+        self.vhost_user.send_expect("stop", "testpmd>", 20)
+        self.vhost_user.send_expect("port stop all", "testpmd>")
+        self.vhost_user.send_expect("port config all rxq 2", "testpmd>", 20)
+        self.vhost_user.send_expect("port config all txq 2", "testpmd>")
+        self.vhost_user.send_expect("port start all", "testpmd>", 20)
+        self.vhost_user.send_expect("start", "testpmd>")
+        self.vhost_user.send_expect("clear port stats all", "testpmd>")
+
+        self.send_scapy("vhost queue = virtio queue")
+
+        self.vm_dut.kill_all()
+        self.vhost_user.send_expect("quit", "# ", 120)
+
+    def tear_down(self):
+        #
+        # Run after each test case.
+        # Clear vhost-switch and qemu to avoid blocking the following TCs
+        #
+        if getattr(self, 'vhost_user', None):
+            self.dut.close_session(self.vhost_user)
+        self.vm.stop()
+        time.sleep(2)
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        pass
-- 
2.7.4



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