[dts] [PATCH V1]perf_vm2vm_virtio_net_perf: add case perf_vm2vm_virtio_net_perf to dts

[Xiao Qimai <qimaix.xiao@intel.com>]

*. add case perf_vm2vm_virtio_net_perf

Signed-off-by: Xiao Qimai <qimaix.xiao@intel.com>
---
 tests/TestSuite_perf_vm2vm_virtio_net_perf.py | 365 ++++++++++++++++++++++++++
 1 file changed, 365 insertions(+)
 create mode 100644 tests/TestSuite_perf_vm2vm_virtio_net_perf.py

diff --git a/tests/TestSuite_perf_vm2vm_virtio_net_perf.py b/tests/TestSuite_perf_vm2vm_virtio_net_perf.py
new file mode 100644
index 0000000..532cdf7
--- /dev/null
+++ b/tests/TestSuite_perf_vm2vm_virtio_net_perf.py
@@ -0,0 +1,365 @@
+# BSD LICENSE
+#
+# Copyright(c) <2020> 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.
+
+vm2vm split ring and packed ring with tx offload (TSO and UFO) with non-mergeable path.
+vm2vm split ring and packed ring with UFO about virtio-net device capability with non-mergeable path.
+vm2vm split ring and packed ring vhost-user/virtio-net check the payload of large packet is valid with
+mergeable and non-mergeable dequeue zero copy.
+please use qemu version greater 4.1.94 which support packed feathur to test this suite.
+"""
+import re
+import os
+import rst
+import json
+import time
+import string
+import random
+from virt_common import VM
+from test_case import TestCase
+from pmd_output import PmdOutput
+from settings import UPDATE_EXPECTED, load_global_setting
+from copy import deepcopy
+
+
+class TestPerfVM2VMVirtioNetPerf(TestCase):
+    def set_up_all(self):
+        core_config = "1S/4C/1T"
+        self.cores_list = self.dut.get_core_list(core_config)
+        self.verify(len(self.cores_list) >= 4,
+                    "There has not enough cores to test this suite %s" %
+                    self.suite_name)
+        self.vm_num = 2
+        self.virtio_ip1 = "1.1.1.2"
+        self.virtio_ip2 = "1.1.1.3"
+        self.vritio_mac1 = "52:54:00:00:00:01"
+        self.vritio_mac2 = "52:54:00:00:00:02"
+        self.base_dir = self.dut.base_dir.replace('~', '/root')
+        self.random_string = string.ascii_letters + string.digits
+        socket_num = len(set([int(core['socket']) for core in self.dut.cores]))
+        self.socket_mem = ','.join(['2048']*socket_num)
+        self.vhost = self.dut.new_session(suite="vhost")
+        self.pmd_vhost = PmdOutput(self.dut, self.vhost)
+        self.json_obj = dict()
+        self.save_result_flag = True
+
+    def set_up(self):
+        """
+        run before each test case.
+        """
+        self.dut.send_expect("rm -rf %s/vhost-net*" % self.base_dir, "#")
+        self.vm_dut = []
+        self.vm = []
+        self.gap = self.get_suite_cfg()['accepted_tolerance']
+        self.test_duration = self.get_suite_cfg()['test_duration']
+        self.test_parameter = self.get_suite_cfg()['test_parameters']
+        self.test_result = {}
+        self.table_header = ['Mode', 'Type', 'TXD/RXD', 'Throughput', 'Expected Throughput',
+                             'Throughput Difference']
+
+    def handle_expected(self):
+        """
+        Update expected numbers to configurate file: conf/$suite_name.cfg
+        """
+        if load_global_setting(UPDATE_EXPECTED) == "yes":
+            self.expected_throughput[self.test_parameter] = self.throughput
+
+    def handle_results(self):
+        header = self.table_header
+        ret_data = {}
+        ret_data[header[0]] = 'vm2vm'
+        ret_data[header[1]] = 'iperf'
+        ret_data[header[2]] = self.test_parameter
+        ret_data[header[3]] = self.throughput
+        ret_data[header[4]] = self.expected_throughput[self.test_parameter]
+        expected = re.search('(.*\d)(\s?.+)', self.expected_throughput[self.test_parameter])
+        self.expected_data = float(expected.group(1))
+        self.expect_unit = expected.group(2).strip()
+        self.verify(self.throughput_unit == self.expect_unit, "data unit not correct, expect: %s, result: %s" % (self.expect_unit, self.throughput_unit))
+        self.gap_data = round((self.throughput_data - self.expected_data), 3)
+        ret_data[header[5]] = str(self.gap_data) + ' ' + self.expect_unit
+        self.test_result = deepcopy(ret_data)
+        self.result_table_create(header)
+        self.result_table_add(list(self.test_result.values()))
+        # present test results to screen
+        self.result_table_print()
+        # save test results as a file
+        if self.save_result_flag:
+            self.save_result(self.test_result)
+
+    def save_result(self, data):
+        '''
+        Saves the test results as a separated file named with
+        self.nic+_perf_virtio_user_pvp.json in output folder
+        if self.save_result_flag is True
+        '''
+        case_name = self.running_case
+        self.json_obj[case_name] = list()
+        status_result = []
+        row_in = data
+        row_dict0 = dict()
+        row_dict0['performance'] = list()
+        row_dict0['parameters'] = list()
+        gap = self.expected_data * -float(self.gap) * 0.01
+
+        self.logger.info("Accept tolerance are %0.3f %s" % (gap, self.expect_unit))
+        self.logger.info("Throughput Difference are %0.3f %s" % (self.gap_data, self.expect_unit))
+        if self.throughput_data > self.expected_data + gap:
+            row_dict0['status'] = 'PASS'
+        else:
+            row_dict0['status'] = 'FAIL'
+        row_dict1 = dict(name="Throughput", value=self.throughput_data, unit=self.throughput_unit, delta=self.gap_data)
+        row_dict2 = dict(name="Txd/Rxd", value=row_in["TXD/RXD"], unit="descriptor")
+        row_dict0['performance'].append(row_dict1)
+        row_dict0['parameters'].append(row_dict2)
+        self.json_obj[case_name].append(row_dict0)
+        status_result.append(row_dict0['status'])
+        with open(os.path.join(rst.path2Result,
+                               '{0:s}_{1}.json'.format(
+                                   self.nic, self.suite_name)), 'w') as fp:
+            json.dump(self.json_obj, fp)
+
+        self.verify("FAIL" not in status_result, "Exceeded Gap")
+
+    def start_vhost_testpmd(self, zerocopy=False):
+        """
+        launch the testpmd with different parameters
+        """
+        if zerocopy is True:
+            zerocopy_arg = ",dequeue-zero-copy=1"
+        else:
+            zerocopy_arg = ""
+        testcmd = self.dut.target + "/app/testpmd "
+        vdev1 = "--vdev 'net_vhost0,iface=%s/vhost-net0,queues=1%s' " % (self.base_dir, zerocopy_arg)
+        vdev2 = "--vdev 'net_vhost1,iface=%s/vhost-net1,queues=1%s' " % (self.base_dir, zerocopy_arg)
+        eal_params = self.dut.create_eal_parameters(cores=self.cores_list, prefix='vhost', no_pci=True)
+        para = " -- -i --nb-cores=2 --txd=1024 --rxd=1024"
+        self.command_line = testcmd + eal_params + vdev1 + vdev2 + para
+        self.pmd_vhost.execute_cmd(self.command_line, timeout=30)
+        self.pmd_vhost.execute_cmd('start', timeout=30)
+
+    def start_vms(self, mode="mergeable", packed=False):
+        """
+        start two VM, each VM has one virtio device
+        """
+        setting_args = "mrg_rxbuf=off,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on"
+        if mode == "ufo":
+            setting_args += ",guest_ufo=on,host_ufo=on"
+        elif mode == "mergeable":
+            setting_args = "mrg_rxbuf=on"
+        elif mode == "normal":
+            setting_args = "mrg_rxbuf=off"
+        if packed is True:
+            setting_args = "%s,packed=on" % setting_args
+
+        for i in range(self.vm_num):
+            vm_dut = None
+            vm_info = VM(self.dut, 'vm%d' % i, 'vhost_sample')
+            vm_params = {}
+            vm_params['driver'] = 'vhost-user'
+            vm_params['opt_path'] = self.base_dir + '/vhost-net%d' % i
+            vm_params['opt_mac'] = "52:54:00:00:00:0%d" % (i+1)
+            vm_params['opt_settings'] = setting_args
+            vm_info.set_vm_device(**vm_params)
+            time.sleep(3)
+            try:
+                vm_dut = vm_info.start(set_target=False)
+                if vm_dut is None:
+                    raise Exception("Set up VM ENV failed")
+            except Exception as e:
+                self.logger.error("Failure for %s" % str(e))
+                raise e
+            vm_dut.restore_interfaces()
+
+            self.vm_dut.append(vm_dut)
+            self.vm.append(vm_info)
+
+    def config_vm_env(self):
+        """
+        set virtio device IP and run arp protocal
+        """
+        vm1_intf = self.vm_dut[0].ports_info[0]['intf']
+        vm2_intf = self.vm_dut[1].ports_info[0]['intf']
+        self.vm_dut[0].send_expect("ifconfig %s %s" % (vm1_intf, self.virtio_ip1), "#", 10)
+        self.vm_dut[1].send_expect("ifconfig %s %s" % (vm2_intf, self.virtio_ip2), "#", 10)
+        self.vm_dut[0].send_expect("arp -s %s %s" % (self.virtio_ip2, self.vritio_mac2), "#", 10)
+        self.vm_dut[1].send_expect("arp -s %s %s" % (self.virtio_ip1, self.vritio_mac1), "#", 10)
+
+    def prepare_test_env(self, zerocopy, path_mode, packed_mode=False):
+        """
+        start vhost testpmd and qemu, and config the vm env
+        """
+        self.start_vhost_testpmd(zerocopy)
+        self.start_vms(mode=path_mode, packed=packed_mode)
+        self.config_vm_env()
+
+    def start_iperf(self, mode):
+        """
+        run perf command between to vms
+        """
+        # clear the port xstats before iperf
+        self.vhost.send_expect("clear port xstats all", "testpmd> ", 10)
+
+        if mode == "ufo":
+            iperf_server = "iperf -s -u -i 1"
+            iperf_client = "iperf -c 1.1.1.2 -i 1 -t %s -P 4 -u -b 1G -l 9000" % self.test_duration
+        else:
+            iperf_server = "iperf -s -i 1"
+            iperf_client = "iperf -c 1.1.1.2 -i 1 -t %s" % self.test_duration
+        self.vm_dut[0].send_expect("%s > iperf_server.log &" % iperf_server, "", 10)
+        self.vm_dut[1].send_expect("%s > iperf_client.log &" % iperf_client, "", 60)
+        time.sleep(int(self.test_duration)+3)
+
+    def get_perf_result(self):
+        """
+        get the iperf test result
+        """
+        self.vm_dut[0].send_expect('pkill iperf', '# ')
+        self.vm_dut[1].session.copy_file_from("%s/iperf_client.log" % self.dut.base_dir)
+        fp = open("./iperf_client.log")
+        fmsg = fp.read()
+        fp.close()
+        # remove the server report info from msg
+        index = fmsg.find("Server Report")
+        if index != -1:
+            fmsg = fmsg[:index]
+        iperfdata = re.compile('\s(\d+\.\d+)\s([MG]bits/sec)').findall(fmsg)
+        # the last data of iperf is the ave data from 0-30 sec
+        self.verify(len(iperfdata) != 0, "The iperf data between to vms is 0")
+        self.throughput_unit = iperfdata[-1][1]
+        self.throughput_data = round(float(iperfdata[-1][0]), 3)
+        self.throughput = str(self.throughput_data) + ' ' + self.throughput_unit
+        self.logger.info("The iperf data between vms is %s" % self.throughput)
+
+        # rm the iperf log file in vm
+        self.vm_dut[0].send_expect('rm iperf_server.log', '#', 10)
+        self.vm_dut[1].send_expect('rm iperf_client.log', '#', 10)
+
+    def verify_xstats_info_on_vhost(self):
+        """
+        check both 2VMs can receive and send big packets to each other
+        """
+        out_tx = self.vhost.send_expect("show port xstats 0", "testpmd> ", 20)
+        out_rx = self.vhost.send_expect("show port xstats 1", "testpmd> ", 20)
+
+        rx_info = re.search("rx_size_1523_to_max_packets:\s*(\d*)", out_rx)
+        tx_info = re.search("tx_size_1523_to_max_packets:\s*(\d*)", out_tx)
+
+        self.verify(int(rx_info.group(1)) > 0,
+                    "Port 1 not receive packet greater than 1522")
+        self.verify(int(tx_info.group(1)) > 0,
+                    "Port 0 not forward packet greater than 1522")
+
+    def start_iperf_and_verify_vhost_xstats_info(self, mode):
+        """
+        start to send packets and verify vm can received data of iperf
+        and verify the vhost can received big pkts in testpmd
+        """
+        self.start_iperf(mode)
+        self.get_perf_result()
+        self.verify_xstats_info_on_vhost()
+
+    def stop_all_apps(self):
+        for i in range(len(self.vm)):
+            self.vm[i].stop()
+        self.pmd_vhost.quit()
+
+    def test_vm2vm_split_ring_iperf_with_tso(self):
+        """
+        VM2VM split ring vhost-user/virtio-net test with tcp traffic
+        """
+        zerocopy = False
+        path_mode = "tso"
+        self.test_target = "split_tso"
+        self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target]
+        self.prepare_test_env(zerocopy, path_mode)
+        self.start_iperf_and_verify_vhost_xstats_info(mode="tso")
+        self.handle_expected()
+        self.handle_results()
+
+    def test_vm2vm_split_ring_dequeue_zero_copy_iperf_with_tso(self):
+        """
+        VM2VM split ring vhost-user/virtio-net zero copy test with tcp traffic
+        """
+        zerocopy = True
+        path_mode = "tso"
+        self.test_target = "split_zero_copy_tso"
+        self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target]
+        self.prepare_test_env(zerocopy, path_mode)
+        self.start_iperf_and_verify_vhost_xstats_info(mode="tso")
+        self.handle_expected()
+        self.handle_results()
+
+    def test_vm2vm_packed_ring_iperf_with_tso(self):
+        """
+        VM2VM packed ring vhost-user/virtio-net test with tcp traffic
+        """
+        zerocopy = False
+        path_mode = "tso"
+        self.test_target = "packed_tso"
+        self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target]
+        packed_mode = True
+        self.prepare_test_env(zerocopy, path_mode, packed_mode)
+        self.start_iperf_and_verify_vhost_xstats_info(mode="tso")
+        self.handle_expected()
+        self.handle_results()
+
+    def test_vm2vm_packed_ring_dequeue_zero_copy_iperf_with_tso(self):
+        """
+        VM2VM packed ring vhost-user/virtio-net zero copy test with tcp traffic
+        """
+        zerocopy = True
+        path_mode = "tso"
+        packed_mode = True
+        self.test_target = "packed_zero_copy_tso"
+        self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target]
+        self.prepare_test_env(zerocopy, path_mode, packed_mode)
+        self.start_iperf_and_verify_vhost_xstats_info(mode="tso")
+        self.handle_expected()
+        self.handle_results()
+
+    def tear_down(self):
+        """
+        run after each test case.
+        """
+        self.stop_all_apps()
+        self.dut.kill_all()
+        time.sleep(2)
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+
+        """
+        if getattr(self, 'vhost', None):
+            self.dut.close_session(self.vhost)
-- 
1.8.3.1