From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E3C95A04A8; Wed, 26 Jan 2022 10:22:05 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DA80642708; Wed, 26 Jan 2022 10:22:05 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id 45D2D4069D for ; Wed, 26 Jan 2022 10:22:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643188924; x=1674724924; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=luAgxa6gDRXl9q0mklTsgWek+djae1xel0dz0hZuSlU=; b=ZmGXC12ObUP0eQvLQQrDTzGNjlgEZKnZMeSRhhShb4sNGdgMaSseK2e2 mgX9nulu3PFUADN+j70RTUbKvuIK3TFDqobBUbJVmMdFOxkYcaNfEPo9s TMlu8VhulQhn3TVNY9HQ/Imvbbys7vmvQbN4en0UKLATqWDtTZ8BdEePn 9+KKEUv4stHs07dpySyLMhPOAsAwF6MJgQw2h7Tl3JOss/yWXuLD+X1y6 pjtBj7M5prSRkfWuZw2hlAmSraZL67LVLaPFzViYfkNfq3zRef3mdRH/f oHUL7+ytX3OiekscS3JaTCC3WVsZMgPuQvSASPp9BZmDat1g4i/MK6AFQ A==; X-IronPort-AV: E=McAfee;i="6200,9189,10238"; a="307228210" X-IronPort-AV: E=Sophos;i="5.88,317,1635231600"; d="scan'208";a="307228210" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 01:22:03 -0800 X-IronPort-AV: E=Sophos;i="5.88,317,1635231600"; d="scan'208";a="674305713" Received: from unknown (HELO localhost.localdomain) ([10.239.251.222]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 01:21:57 -0800 From: Wei Ling To: dts@dpdk.org Cc: Wei Ling Subject: [dts][PATCH V4 3/3] tests/vhost_cbdma: modify test suite sync with test plan change Date: Wed, 26 Jan 2022 17:21:51 +0800 Message-Id: <20220126092151.916483-1-weix.ling@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org Modify test suite sync with test plan change. Add '--force-max-simd-bitwidth=512' param in case3. Add skip step when case running on 2M hugepage size testbed. Signed-off-by: Wei Ling --- v1:Modify test suite sync with test plan change. v2:Add '--force-max-simd-bitwidth=512' param in case3. v3:Add skip step when case running on 2M hugepage size testbed. tests/TestSuite_vhost_cbdma.py | 521 +++++++++++++++++---------------- 1 file changed, 275 insertions(+), 246 deletions(-) diff --git a/tests/TestSuite_vhost_cbdma.py b/tests/TestSuite_vhost_cbdma.py index 02d7e25e..8a1fd731 100644 --- a/tests/TestSuite_vhost_cbdma.py +++ b/tests/TestSuite_vhost_cbdma.py @@ -37,7 +37,7 @@ operations of queues: a queue. Here is an example: - $ ./testpmd -c f -n 4 \ + $ ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c f -n 4 \ --vdev 'net_vhost0,iface=/tmp/s0,queues=1,dmas=[txq0@80:04.0]' """ import json @@ -56,7 +56,6 @@ from framework.test_case import TestCase class TestVirTioVhostCbdma(TestCase): def set_up_all(self): - # Get and verify the ports self.dut_ports = self.dut.get_ports() self.number_of_ports = 1 self.vhost_user = self.dut.new_session(suite="vhost-user") @@ -64,8 +63,6 @@ class TestVirTioVhostCbdma(TestCase): self.virtio_user1 = self.dut.new_session(suite="virtio-user1") self.pmdout_vhost_user = PmdOutput(self.dut, self.vhost_user) self.pmdout_virtio_user = PmdOutput(self.dut, self.virtio_user) - self.pmdout_virtio_user1 = PmdOutput(self.dut, self.virtio_user1) - self.frame_sizes = [64, 1518] self.virtio_mac = "00:01:02:03:04:05" self.headers_size = HEADER_SIZE['eth'] + HEADER_SIZE['ip'] self.pci_info = self.dut.ports_info[0]['pci'] @@ -73,7 +70,6 @@ class TestVirTioVhostCbdma(TestCase): self.cores = self.dut.get_core_list("all", socket=self.socket) self.cbdma_dev_infos = [] self.ports_socket = self.dut.get_numa_id(self.dut_ports[0]) - # the path of pcap file 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: @@ -94,14 +90,9 @@ class TestVirTioVhostCbdma(TestCase): self.table_header.append("Mpps") self.table_header.append("% linerate") self.result_table_create(self.table_header) - # test parameters include: frames size, descriptor numbers self.test_parameters = self.get_suite_cfg()['test_parameters'] - # traffic duraion in second self.test_duration = self.get_suite_cfg()['test_duration'] - # initialize throughput attribution - # {'TestCase':{ 'Mode': {'$framesize':{"$nb_desc": 'throughput'}}} self.throughput = {} - # Accepted tolerance in Mpps self.gap = self.get_suite_cfg()['accepted_tolerance'] self.test_result = {} self.nb_desc = self.test_parameters.get(list(self.test_parameters.keys())[0])[0] @@ -120,8 +111,7 @@ class TestVirTioVhostCbdma(TestCase): pci_info = re.search('\s*(0000:\S*:\d*.\d*)', device) if pci_info is not None: dev_info = pci_info.group(1) - # the numa id of ioat dev, only add the device which - # on same socket with nic dev + # the numa id of ioat dev, only add the device which on same socket with nic dev bus = int(dev_info[5:7], base=16) if bus >= 128: cur_socket = 1 @@ -167,326 +157,379 @@ class TestVirTioVhostCbdma(TestCase): self.verify(int(self.result_first[0]) > 1 and int(self.result_secondary[0]) > 1, "forward packets no correctly") @property - def check_2m_env(self): + def check_2M_env(self): out = self.dut.send_expect("cat /proc/meminfo |grep Hugepagesize|awk '{print($2)}'", "# ") return True if out == '2048' else False - def launch_testpmd_as_vhost_user(self, command, cores="Default", dev="", ports = ""): - self.pmdout_vhost_user.start_testpmd(cores=cores, param=command, vdevs=[dev], ports=ports, prefix="vhost") - self.vhost_user.send_expect('set fwd mac', 'testpmd> ', 120) - self.vhost_user.send_expect('start', 'testpmd> ', 120) - - def launch_testpmd_as_virtio_user1(self, command, cores="Default", dev=""): - eal_params = "" - if self.check_2m_env: - eal_params += " --single-file-segments" - self.pmdout_virtio_user1.start_testpmd(cores, command, vdevs=[dev], no_pci=True, prefix="virtio1", eal_param=eal_params) - self.virtio_user1.send_expect('set fwd mac', 'testpmd> ', 30) - self.virtio_user1.send_expect('start', 'testpmd> ', 30) - self.virtio_user1.send_expect('show port info all', 'testpmd> ', 30) - - def launch_testpmd_as_virtio_user(self, command, cores="Default", dev=""): - eal_params = "" - if self.check_2m_env: - eal_params += " --single-file-segments" - self.pmdout_virtio_user.start_testpmd(cores, command, vdevs=[dev],no_pci=True, prefix="virtio", eal_param=eal_params) - self.virtio_user.send_expect('set fwd mac', 'testpmd> ', 120) - self.virtio_user.send_expect('start', 'testpmd> ', 120) - self.virtio_user.send_expect('show port info all', 'testpmd> ', 30) - - def diff_param_launch_send_and_verify(self, mode, params, dev, cores, is_quit=True, launch_virtio=True): + def launch_testpmd_as_vhost_user(self, command, cores="Default", dev="", ports = "", iova_mode='pa', set_pmd_param=True): + if iova_mode: + iova_parm = "--iova=" + iova_mode + else: + iova_parm = "" + self.pmdout_vhost_user.start_testpmd(cores=cores, param=command, vdevs=[dev], ports=ports, prefix="vhost", eal_param=iova_parm) + if set_pmd_param: + self.vhost_user.send_expect('set fwd mac', 'testpmd> ', 30) + self.vhost_user.send_expect('start', 'testpmd> ', 30) + + def launch_testpmd_as_virtio_user(self, command, cores="Default", dev="", set_pmd_param=True, eal_param=""): + if self.check_2M_env: + eal_param += " --single-file-segments" + self.pmdout_virtio_user.start_testpmd(cores, command, vdevs=[dev], no_pci=True, prefix="virtio", eal_param=eal_param) + if set_pmd_param: + self.virtio_user.send_expect('set fwd mac', 'testpmd> ', 30) + self.virtio_user.send_expect('start', 'testpmd> ', 30) + self.virtio_user.send_expect('show port info all', 'testpmd> ', 30) + + def diff_param_launch_send_and_verify(self, mode, params, dev, cores, eal_param="", is_quit=True, launch_virtio=True): if launch_virtio: - self.launch_testpmd_as_virtio_user(params, cores, dev=dev) + self.launch_testpmd_as_virtio_user(params, cores, dev=dev, eal_param=eal_param) self.send_and_verify(mode) if is_quit: self.virtio_user.send_expect("quit", "# ") time.sleep(3) - def test_perf_pvp_spilt_all_path_with_cbdma_vhost_enqueue_operations(self): + def test_perf_pvp_spilt_ring_all_path_vhost_enqueue_operations_with_cbdma(self): """ - Test Case 1: PVP Split all path with DMA-accelerated vhost enqueue + Test Case 1: PVP split ring all path vhost enqueue operations with cbdma """ self.test_target = self.running_case self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target] txd_rxd = 1024 - eal_tx_rxd = ' --nb-cores=%d --txd=%d --rxd=%d' - queue = 1 - used_cbdma_num = 1 - self.get_cbdma_ports_info_and_bind_to_dpdk(used_cbdma_num) + vhost_param = ' --nb-cores=%d --txd=%d --rxd=%d' + nb_cores = 1 + queues = 1 + self.get_cbdma_ports_info_and_bind_to_dpdk(1) vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=%d,dmas=[txq0@{self.device_str}]'" - dev_path_mode_mapper = { + virtio_path_dict = { "inorder_mergeable_path": 'mrg_rxbuf=1,in_order=1', "mergeable_path": 'mrg_rxbuf=1,in_order=0', "inorder_non_mergeable_path": 'mrg_rxbuf=0,in_order=1', "non_mergeable_path": 'mrg_rxbuf=0,in_order=0', - "vector_rx_path": 'mrg_rxbuf=0,in_order=0', + "vector_rx_path": 'mrg_rxbuf=0,in_order=0,vectorized=1', } - pvp_split_all_path_virtio_params = "--tx-offloads=0x0 --enable-hw-vlan-strip --nb-cores=%d --txd=%d --rxd=%d" % (queue, txd_rxd, txd_rxd) allow_pci = [self.dut.ports_info[0]['pci']] - for index in range(used_cbdma_num): + for index in range(1): allow_pci.append(self.cbdma_dev_infos[index]) - self.launch_testpmd_as_vhost_user(eal_tx_rxd % (queue, txd_rxd, txd_rxd), self.cores[0:2], dev=vhost_vdevs % (queue), ports=allow_pci) - for key, path_mode in dev_path_mode_mapper.items(): - if key == "vector_rx_path": - pvp_split_all_path_virtio_params = eal_tx_rxd % (queue, txd_rxd, txd_rxd) - vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queue - self.diff_param_launch_send_and_verify(key, pvp_split_all_path_virtio_params, vdevs, self.cores[2:4], is_quit=False) - self.mode_list.append(key) - # step3 restart vhost port, then check throughput again - key += "_RestartVhost" + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd), self.cores[0:2], + dev=vhost_vdevs % (nb_cores), ports=allow_pci, iova_mode='va') + for key, path_mode in virtio_path_dict.items(): + if key == "non_mergeable_path": + virtio_param = " --enable-hw-vlan-strip --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + else: + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % nb_cores + mode = key + "_VA" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=False, launch_virtio=True) self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) self.vhost_user.send_expect('stop', 'testpmd> ', 10) self.vhost_user.send_expect('start', 'testpmd> ', 10) self.vhost_user.send_expect('show port info all', 'testpmd> ', 30) self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) - self.diff_param_launch_send_and_verify(key, pvp_split_all_path_virtio_params, vdevs, - self.cores[2:4], launch_virtio=False) - self.mode_list.append(key) - self.vhost_user.send_expect("quit", "# ") + mode += "_RestartVhost" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=True, launch_virtio=False) + + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.vhost_user.send_expect("quit", "# ") + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd), self.cores[0:2], + dev=vhost_vdevs % (nb_cores), ports=allow_pci, iova_mode='pa') + for key, path_mode in virtio_path_dict.items(): + if key == "non_mergeable_path": + virtio_param = " --enable-hw-vlan-strip --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + else: + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queues + mode = key + "_PA" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=False, + launch_virtio=True) + self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) + self.vhost_user.send_expect('stop', 'testpmd> ', 10) + self.vhost_user.send_expect('start', 'testpmd> ', 10) + self.vhost_user.send_expect('show port info all', 'testpmd> ', 30) + self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) + mode += "_RestartVhost" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=True, + launch_virtio=False) self.result_table_print() self.handle_expected(mode_list=self.mode_list) self.handle_results(mode_list=self.mode_list) - def test_perf_dynamic_queue_number_cbdma_vhost_enqueue_operations(self): + def test_perf_pvp_spilt_ring_all_dynamic_queue_number_vhost_enqueue_operations_with_cbdma(self): """ - Test Case2: Split ring dynamic queue number test for DMA-accelerated vhost Tx operations + Test Case2: PVP split ring dynamic queue number vhost enqueue operations with cbdma """ self.test_target = self.running_case self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target] - used_cbdma_num = 8 - queue = 8 - txd_rxd = 1024 nb_cores = 1 + txd_rxd = 1024 + queues = 8 virtio_path = "/tmp/s0" path_mode = 'mrg_rxbuf=1,in_order=1' - self.get_cbdma_ports_info_and_bind_to_dpdk(used_cbdma_num) - eal_params = " --nb-cores=1 --txd=1024 --rxd=1024 --txq=%d --rxq=%d " - dynamic_queue_number_cbdma_virtio_params = f" --tx-offloads=0x0 --enable-hw-vlan-strip {eal_params % (queue,queue)}" - virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues={queue},server=1" + self.get_cbdma_ports_info_and_bind_to_dpdk(8) + vhost_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " vhost_dev = f"'net_vhost0,iface={virtio_path},queues=%d,client=1,%s'" - # launch vhost testpmd + virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues={queues},server=1" allow_pci = [self.dut.ports_info[0]['pci']] - for index in range(used_cbdma_num): + for index in range(8): allow_pci.append(self.cbdma_dev_infos[index]) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues,''), ports=[allow_pci[0]], iova_mode='va') + self.mode_list.append("with_0_cbdma") + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[2:4], + dev=virtio_dev) + self.send_and_verify("with_0_cbdma", queue_list=range(queues)) - # no cbdma to launch vhost - self.launch_testpmd_as_vhost_user(eal_params % (queue,queue), self.cores[0:2], dev=vhost_dev % (queue,''), ports=[allow_pci[0]]) - mode = "no_cbdma" - self.mode_list.append(mode) - self.launch_testpmd_as_virtio_user(dynamic_queue_number_cbdma_virtio_params, self.cores[2:4], dev=virtio_dev) - self.send_and_verify(mode, queue_list=range(queue)) self.vhost_user.send_expect("quit", "#") - - # used 4 cbdma_num and 4 queue to launch vhost - vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]}]" - self.launch_testpmd_as_vhost_user(eal_params % (queue/2,queue/2), self.cores[0:2], dev=vhost_dev % (int(queue/2),vhost_dmas), ports=allow_pci[:5]) - self.send_and_verify("used_4_cbdma_num", queue_list=range(int(queue/2))) - self.mode_list.append("used_4_cbdma_num") - self.vhost_user.send_expect("quit", "#") + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci[:5], iova_mode='va') + self.mode_list.append("with_4_cbdma") + self.send_and_verify("with_4_cbdma", queue_list=range(int(queues/2))) - #used 8 cbdma_num to launch vhost + self.vhost_user.send_expect("quit", "#") vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]};txq4@{self.used_cbdma[4]};txq5@{self.used_cbdma[5]};txq6@{self.used_cbdma[6]};txq7@{self.used_cbdma[7]}]" - self.launch_testpmd_as_vhost_user(eal_params % (queue, queue), self.cores[0:2], - dev=vhost_dev % (queue,vhost_dmas), ports=allow_pci) - self.send_and_verify("used_8_cbdma_num", queue_list=range(queue)) - self.mode_list.append("used_8_cbdma_num") - self.send_and_verify("used_8_cbdma_num_1", queue_list=range(queue)) - self.mode_list.append("used_8_cbdma_num_1") - self.virtio_user.send_expect("stop", "testpmd> ", 60) - time.sleep(5) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci, iova_mode='va') + self.mode_list.append("with_8_cbdma") + self.send_and_verify("with_8_cbdma", queue_list=range(queues)) + + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.vhost_user.send_expect("quit", "#") + vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]};txq4@{self.used_cbdma[4]};txq5@{self.used_cbdma[5]}]" + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci, iova_mode='pa') + self.mode_list.append("with_6_cbdma") + self.send_and_verify("with_6_cbdma", queue_list=range(queues)) + self.virtio_user.send_expect("quit", "# ") self.vhost_user.send_expect("quit", "# ") self.result_table_print() - # result_rows = [[], [64, 'dynamic_queue2', 7.4959375, 12.593175], [1518, 'dynamic_queue2', 1.91900225, 59.028509209999996]] - result_rows = self.result_table_getrows() # self.handle_expected(mode_list=self.mode_list) self.handle_results(mode_list=self.mode_list) - def test_perf_pvp_packed_all_path_with_cbdma_vhost_enqueue_operations(self): + def test_perf_pvp_packed_ring_all_path_vhost_enqueue_operations_with_cbdma(self): """ - Test Case 3: PVP packed ring all path with DMA-accelerated vhost enqueue + Test Case 3: PVP packed ring all path vhost enqueue operations with cbdma """ self.test_target = self.running_case self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target] txd_rxd = 1024 - eal_tx_rxd = ' --nb-cores=%d --txd=%d --rxd=%d' - queue = 1 - used_cbdma_num = 1 - self.get_cbdma_ports_info_and_bind_to_dpdk(used_cbdma_num) + vhost_param = ' --nb-cores=%d --txd=%d --rxd=%d' + nb_cores = 1 + queues = 1 + self.get_cbdma_ports_info_and_bind_to_dpdk(1) vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=%d,dmas=[txq0@{self.device_str}]'" - dev_path_mode_mapper = { + virtio_path_dict = { "inorder_mergeable_path": 'mrg_rxbuf=1,in_order=1,packed_vq=1', "mergeable_path": 'mrg_rxbuf=1,in_order=0,packed_vq=1', "inorder_non_mergeable_path": 'mrg_rxbuf=0,in_order=1,packed_vq=1', "non_mergeable_path": 'mrg_rxbuf=0,in_order=0,packed_vq=1', - "vector_rx_path": 'mrg_rxbuf=0,in_order=0,packed_vq=1', + "vector_rx_path": 'mrg_rxbuf=0,in_order=1,vectorized=1,packed_vq=1', + "vector_rx_path_not_power_of_2": 'mrg_rxbuf=0,in_order=1,vectorized=1,packed_vq=1,queue_size=1025' } - pvp_split_all_path_virtio_params = "--tx-offloads=0x0 --enable-hw-vlan-strip --nb-cores=%d --txd=%d --rxd=%d" % (queue, txd_rxd, txd_rxd) allow_pci = [self.dut.ports_info[0]['pci']] - for index in range(used_cbdma_num): + for index in range(1): allow_pci.append(self.cbdma_dev_infos[index]) - self.launch_testpmd_as_vhost_user(eal_tx_rxd % (queue, txd_rxd, txd_rxd), self.cores[0:2], dev=vhost_vdevs % (queue), ports=allow_pci) - for key, path_mode in dev_path_mode_mapper.items(): - if key == "vector_rx_path": - pvp_split_all_path_virtio_params = eal_tx_rxd % (queue, txd_rxd, txd_rxd) - vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queue - self.diff_param_launch_send_and_verify(key, pvp_split_all_path_virtio_params, vdevs, self.cores[2:4], is_quit=False) - self.mode_list.append(key) - # step3 restart vhost port, then check throughput again - key += "_RestartVhost" + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd), self.cores[0:2], + dev=vhost_vdevs % (nb_cores), ports=allow_pci, iova_mode='va') + for key, path_mode in virtio_path_dict.items(): + if key == "vector_rx_path_not_power_of_2": + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, (txd_rxd + 1), (txd_rxd + 1)) + else: + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + if "vector_rx_path" in key: + eal_param = "--force-max-simd-bitwidth=512" + else: + eal_param = "" + vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queues + mode = key + "_VA" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], eal_param=eal_param, + is_quit=False, launch_virtio=True) self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) self.vhost_user.send_expect('stop', 'testpmd> ', 10) self.vhost_user.send_expect('start', 'testpmd> ', 10) self.vhost_user.send_expect('show port info all', 'testpmd> ', 30) self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) - self.diff_param_launch_send_and_verify(key, pvp_split_all_path_virtio_params, vdevs, - self.cores[2:4], launch_virtio=False) - self.mode_list.append(key) - self.vhost_user.send_expect("quit", "# ") + mode += "_RestartVhost" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=True, + launch_virtio=False) + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.vhost_user.send_expect("quit", "# ") + self.launch_testpmd_as_vhost_user(vhost_param % (queues, txd_rxd, txd_rxd), self.cores[0:2], + dev=vhost_vdevs % (queues), ports=allow_pci, iova_mode='pa') + for key, path_mode in virtio_path_dict.items(): + if key == "vector_rx_path_not_power_of_2": + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, (txd_rxd + 1), (txd_rxd + 1)) + else: + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d" % (nb_cores, txd_rxd, txd_rxd) + if "vector_rx_path" in key: + eal_param = "--force-max-simd-bitwidth=512" + else: + eal_param = "" + vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queues + mode = key + "_PA" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], eal_param=eal_param, + is_quit=False, launch_virtio=True) + + self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) + self.vhost_user.send_expect('stop', 'testpmd> ', 10) + self.vhost_user.send_expect('start', 'testpmd> ', 10) + self.vhost_user.send_expect('show port info all', 'testpmd> ', 30) + self.vhost_user.send_expect('show port stats all', 'testpmd> ', 10) + mode += "_RestartVhost" + self.mode_list.append(mode) + self.diff_param_launch_send_and_verify(mode, virtio_param, vdevs, self.cores[2:4], is_quit=True, + launch_virtio=False) + self.result_table_print() self.handle_expected(mode_list=self.mode_list) self.handle_results(mode_list=self.mode_list) - def test_perf_packed_dynamic_queue_number_cbdma_vhost_enqueue_operations(self): + def test_perf_pvp_packed_ring_all_dynamic_queue_number_vhost_enqueue_operations_with_cbdma(self): """ - Test Case4: Packed ring dynamic queue number test for DMA-accelerated vhost Tx operations + Test Case 4: PVP packed ring dynamic queue number vhost enqueue operations with cbdma """ self.test_target = self.running_case self.expected_throughput = self.get_suite_cfg()['expected_throughput'][self.test_target] - used_cbdma_num = 8 - queue = 8 - txd_rxd = 1024 nb_cores = 1 + txd_rxd = 1024 + queues = 8 virtio_path = "/tmp/s0" path_mode = 'mrg_rxbuf=1,in_order=1,packed_vq=1' - self.get_cbdma_ports_info_and_bind_to_dpdk(used_cbdma_num) - vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]}]" - eal_params = " --nb-cores=1 --txd=1024 --rxd=1024 --txq=%d --rxq=%d " - dynamic_queue_number_cbdma_virtio_params = f" --tx-offloads=0x0 --enable-hw-vlan-strip {eal_params % (queue, queue)}" - virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues={queue},server=1" - vhost_dev = f"'net_vhost0,iface={virtio_path},queues=%s,client=1,%s'" - # launch vhost testpmd + self.get_cbdma_ports_info_and_bind_to_dpdk(8) + vhost_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " + vhost_dev = f"'net_vhost0,iface={virtio_path},queues=%d,client=1,%s'" + virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues={queues},server=1" allow_pci = [self.dut.ports_info[0]['pci']] - for index in range(used_cbdma_num): + for index in range(8): allow_pci.append(self.cbdma_dev_infos[index]) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, ''), ports=[allow_pci[0]], iova_mode='va') + self.mode_list.append("with_0_cbdma") + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[2:4], + dev=virtio_dev) + self.send_and_verify("with_0_cbdma", queue_list=range(queues)) - # no cbdma to launch vhost - self.launch_testpmd_as_vhost_user(eal_params % (queue,queue), self.cores[0:2], dev=vhost_dev % (queue,''), ports= [allow_pci[0]]) - mode = "no_cbdma" - self.mode_list.append(mode) - self.launch_testpmd_as_virtio_user(dynamic_queue_number_cbdma_virtio_params, self.cores[2:4], dev=virtio_dev) - self.send_and_verify(mode, queue_list=range(queue)) self.vhost_user.send_expect("quit", "#") - - # used 4 cbdma_num and 4 queue to launch vhost vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]}]" - self.launch_testpmd_as_vhost_user(eal_params % (queue/2,queue/2), self.cores[0:2], - dev=vhost_dev % (int(queue/2),vhost_dmas), ports=allow_pci[:5]) - self.send_and_verify("used_4_cbdma_num", queue_list=range(int(queue/2))) - self.mode_list.append("used_4_cbdma_num") - self.vhost_user.send_expect("quit", "#") + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci[:5], iova_mode='va') + self.mode_list.append("with_4_cbdma") + self.send_and_verify("with_4_cbdma", queue_list=range(int(queues / 2))) - #used 8 cbdma_num to launch vhost + self.vhost_user.send_expect("quit", "#") vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]};txq4@{self.used_cbdma[4]};txq5@{self.used_cbdma[5]};txq6@{self.used_cbdma[6]};txq7@{self.used_cbdma[7]}]" - self.launch_testpmd_as_vhost_user(eal_params % (queue, queue), self.cores[0:2], - dev=vhost_dev % (queue,vhost_dmas), ports=allow_pci) - self.send_and_verify("used_8_cbdma_num", queue_list=range(queue)) - self.mode_list.append("used_8_cbdma_num") - self.send_and_verify("used_8_cbdma_num_1", queue_list=range(queue)) - self.mode_list.append("used_8_cbdma_num_1") - self.virtio_user.send_expect("stop", "testpmd> ", 60) - time.sleep(5) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci, iova_mode='va') + self.mode_list.append("with_8_cbdma") + self.send_and_verify("with_8_cbdma", queue_list=range(queues)) + + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.vhost_user.send_expect("quit", "#") + vhost_dmas = f"dmas=[txq0@{self.used_cbdma[0]};txq1@{self.used_cbdma[1]};txq2@{self.used_cbdma[2]};txq3@{self.used_cbdma[3]};txq4@{self.used_cbdma[4]};txq5@{self.used_cbdma[5]}]" + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores, txd_rxd, txd_rxd, queues, queues), self.cores[0:2], + dev=vhost_dev % (queues, vhost_dmas), ports=allow_pci, iova_mode='pa') + self.mode_list.append("with_6_cbdma") + self.send_and_verify("with_6_cbdma", queue_list=range(queues)) + self.virtio_user.send_expect("quit", "# ") self.vhost_user.send_expect("quit", "# ") self.result_table_print() - # result_rows = [[], [64, 'dynamic_queue2', 7.4959375, 12.593175], [1518, 'dynamic_queue2', 1.91900225, 59.028509209999996]] - result_rows = self.result_table_getrows() # self.handle_expected(mode_list=self.mode_list) self.handle_results(mode_list=self.mode_list) + def send_chain_packets_and_verify(self): + self.pmdout_virtio_user.execute_cmd("clear port stats all") + self.pmdout_virtio_user.execute_cmd("start") + self.pmdout_vhost_user.execute_cmd("vhost enable tx all") + self.pmdout_vhost_user.execute_cmd("set txpkts 65535,65535,65535,65535,65535") + self.pmdout_vhost_user.execute_cmd("start tx_first 32") + self.pmdout_vhost_user.execute_cmd("show port stats all") + out = self.pmdout_virtio_user.execute_cmd("show port stats all") + rx_pkts = int(re.search("RX-packets: (\d+)", out).group(1)) + self.verify(rx_pkts > 0, "virtio-user can not received packets") - def test_perf_compare_pvp_split_ring_performance(self): + def test_loopback_split_ring_large_chain_packets_stress_test_with_cbdma_enqueue(self): """ - Test Case5: Compare PVP split ring performance between CPU copy, CBDMA copy and Sync copy + Test Case5: loopback split ring large chain packets stress test with cbdma enqueue """ - used_cbdma_num = 1 - queue = 1 - txd_rxd = 1024 - eal_tx_rxd = ' --nb-cores=%d --txd=%d --rxd=%d' - path_mode = 'mrg_rxbuf=1,in_order=1,server=1' - allow_pci = [self.dut.ports_info[0]['pci']] - self.get_cbdma_ports_info_and_bind_to_dpdk(used_cbdma_num) - for index in range(used_cbdma_num): + nb_cores = 1 + queues = 1 + txd_rxd = 2048 + txq_rxq = 1 + virtio_path = "/tmp/s0" + path_mode = 'mrg_rxbuf=1,in_order=0,vectorized=1,queue_size=2048' + self.get_cbdma_ports_info_and_bind_to_dpdk(1) + vhost_param = " --nb-cores=%d --mbuf-size=65535" + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " + virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues=%d" + vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=%d,dmas=[txq0@{self.device_str}]'" + allow_pci = [] + for index in range(1): allow_pci.append(self.cbdma_dev_infos[index]) - path_mode = 'mrg_rxbuf=1,in_order=1' - vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=%d,client=1,dmas=[txq0@{self.device_str}]'" - compare_pvp_split_ring_performance = "--tx-offloads=0x0 --enable-hw-vlan-strip --nb-cores=%d --txd=%d --rxd=%d" % (queue, txd_rxd, txd_rxd) - dev_path_mode_mapper = { - "sync_cbdma": '', - "cpu": '', - } - for key in dev_path_mode_mapper.items(): - if key == "cpu": - vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=1'" - self.launch_testpmd_as_vhost_user(eal_tx_rxd % (queue, txd_rxd, txd_rxd), self.cores[0:2], dev=vhost_vdevs, ports=[allow_pci[0]]) - vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d'" % queue - self.launch_testpmd_as_virtio_user(compare_pvp_split_ring_performance, self.cores[2:4], dev=vdevs) - mode = "cpu_copy_64" - self.mode_list.append(mode) - self.send_and_verify(mode, frame_sizes=[64], pkt_length_mode='fixed') - perf_cpu_copy_64 = self.throughput[mode][64][self.nb_desc] - self.virtio_user.send_expect('show port stats all', 'testpmd> ', 10) - self.virtio_user.send_expect("quit", "# ") - self.vhost_user.send_expect("quit", "# ") - else: - self.launch_testpmd_as_vhost_user(eal_tx_rxd % (queue, txd_rxd, txd_rxd), self.cores[0:2],dev=vhost_vdevs % (queue), ports=allow_pci) - vdevs = f"'net_virtio_user0,mac={self.virtio_mac},path=/tmp/s0,{path_mode},queues=%d,server=1'" % queue - self.launch_testpmd_as_virtio_user(compare_pvp_split_ring_performance, self.cores[2:4],dev=vdevs) - mode = "sync_copy_64" - self.mode_list.append(mode) - self.send_and_verify(mode,frame_sizes=[64],pkt_length_mode='fixed') - perf_sync_copy_64 = self.throughput[mode][64][self.nb_desc] - mode = "cbdma_copy_1518" - self.mode_list.append(mode) - self.send_and_verify(mode,frame_sizes=[1518],pkt_length_mode='fixed') - perf_cbdma_copy_1518 = self.throughput[mode][1518][self.nb_desc] - self.virtio_user.send_expect('show port stats all', 'testpmd> ', 10) - self.vhost_user.send_expect("quit", "# ") - time.sleep(3) - self.launch_testpmd_as_vhost_user(eal_tx_rxd % (queue, txd_rxd, txd_rxd), self.cores[0:2],dev=vhost_vdevs % (queue), ports=allow_pci) - mode = "sync_copy_1518" - self.mode_list.append(mode) - self.send_and_verify(mode,frame_sizes=[1518],pkt_length_mode='fixed') - perf_sync_copy_1518 = self.throughput[mode][1518][self.nb_desc] - self.check_port_stats_result(self.virtio_user) - self.virtio_user.send_expect("quit", "# ") - self.vhost_user.send_expect("quit", "# ") - self.result_table_print() - self.verify(abs(perf_sync_copy_64 - perf_cpu_copy_64)/perf_sync_copy_64 < 0.1, "sync_copy_64 vs. cpu_copy_64 delta > 10%" ) - self.verify(abs(perf_cbdma_copy_1518 - perf_sync_copy_1518)/perf_sync_copy_1518 > 0.05,"cbdma_copy_1518 vs sync_copy_1518 delta < 5%") - - @staticmethod - def vhost_or_virtio_set_one_queue(session): - session.send_expect('stop', 'testpmd> ', 120) - session.send_expect('port stop all', 'testpmd> ', 120) - session.send_expect('port config all rxq 1', 'testpmd> ', 120) - session.send_expect('port config all txq 1', 'testpmd> ', 120) - session.send_expect('port start all', 'testpmd> ', 120) - session.send_expect('start', 'testpmd> ', 120) - session.send_expect('show port info all', 'testpmd> ', 30) - session.send_expect('show port stats all', 'testpmd> ', 120) - time.sleep(5) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores), self.cores[0:2], + dev=vhost_vdevs % (queues), ports=allow_pci, iova_mode='va', set_pmd_param=False) + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, txq_rxq, txq_rxq), self.cores[2:4], + dev=virtio_dev % (queues), set_pmd_param=False) + self.send_chain_packets_and_verify() + + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.pmdout_virtio_user.execute_cmd("quit", "#") + self.pmdout_vhost_user.execute_cmd("quit", "#") + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores), self.cores[0:2], + dev=vhost_vdevs % (queues), ports=allow_pci, iova_mode='pa', set_pmd_param=False) + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, txq_rxq, txq_rxq),self.cores[2:4], + dev=virtio_dev % (queues), set_pmd_param=False) + self.send_chain_packets_and_verify() + + def test_loopback_packed_ring_large_chain_packets_stress_test_with_cbdma_enqueue(self): + """ + Test Case6: loopback packed ring large chain packets stress test with cbdma enqueue + """ + nb_cores = 1 + queues = 1 + txd_rxd = 2048 + txq_rxq = 1 + virtio_path = "/tmp/s0" + path_mode = 'mrg_rxbuf=1,in_order=0,vectorized=1,packed_vq=1,queue_size=2048' + self.get_cbdma_ports_info_and_bind_to_dpdk(1) + vhost_param = " --nb-cores=%d --mbuf-size=65535" + virtio_param = " --nb-cores=%d --txd=%d --rxd=%d --txq=%d --rxq=%d " + virtio_dev = f"net_virtio_user0,mac={self.virtio_mac},path={virtio_path},{path_mode},queues=%d" + vhost_vdevs = f"'net_vhost0,iface=/tmp/s0,queues=%d,dmas=[txq0@{self.device_str}]'" + allow_pci = [] + for index in range(1): + allow_pci.append(self.cbdma_dev_infos[index]) + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores), self.cores[0:2], + dev=vhost_vdevs % (queues), ports=allow_pci, iova_mode='va', set_pmd_param=False) + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, txq_rxq, txq_rxq), self.cores[2:4], + dev=virtio_dev % (queues), set_pmd_param=False) + self.send_chain_packets_and_verify() + + if not self.check_2M_env: + self.logger.info("Quit and relaunch vhost testpmd with PA mode") + self.pmdout_virtio_user.execute_cmd("quit", "#") + self.pmdout_vhost_user.execute_cmd("quit", "#") + self.launch_testpmd_as_vhost_user(vhost_param % (nb_cores), self.cores[0:2], + dev=vhost_vdevs % (queues), ports=allow_pci, iova_mode='pa', set_pmd_param=False) + self.launch_testpmd_as_virtio_user(virtio_param % (nb_cores, txd_rxd, txd_rxd, txq_rxq, txq_rxq),self.cores[2:4], + dev=virtio_dev % (queues), set_pmd_param=False) + self.send_chain_packets_and_verify() - @property - def check_value(self): - check_dict = dict.fromkeys(self.frame_sizes) - linerate = {64: 0.085, 128: 0.12, 256: 0.20, 512: 0.35, 1024: 0.50, 1280: 0.55, 1518: 0.60} - for size in self.frame_sizes: - speed = self.wirespeed(self.nic, size, self.number_of_ports) - check_dict[size] = round(speed * linerate[size], 2) - return check_dict def send_imix_and_verify(self, mode, multiple_queue=True, queue_list=[]): """ @@ -529,7 +572,6 @@ class TestVirTioVhostCbdma(TestCase): results_row.append(throughput) self.result_table_add(results_row) if queue_list: - # check RX/TX can work normally in each queues self.check_packets_of_each_queue(queue_list=queue_list) def send_and_verify(self, mode, multiple_queue=True, queue_list=[], frame_sizes=None, pkt_length_mode='imix'): @@ -569,7 +611,6 @@ class TestVirTioVhostCbdma(TestCase): results_row.append(throughput) self.result_table_add(results_row) if queue_list: - # check RX/TX can work normally in each queues self.check_packets_of_each_queue(queue_list=queue_list) def handle_expected(self, mode_list): @@ -590,14 +631,6 @@ class TestVirTioVhostCbdma(TestCase): def handle_results(self, mode_list): """ results handled process: - 1, save to self.test_results - table_header = ['Frame', 'Mode/RXD-TXD', 'Mpps', '% linerate', 'nb_desc', 'Expected Throughput', 'Throughput Difference'] - ret_datas = {1024: {'Frame': 64, 'Mode/RXD-TXD': 'dynamic_queue2', 'Mpps': '7.537 Mpps', '% linerate': '12.662%', - 'nb_desc': 1024, 'Expected Throughput': '7.537 Mpps', 'Throughput Difference': '-0.000 Mpps'}} - self.test_result = {'dynamic_queue2': {64: {1024: {'Frame': 64, 'Mode/RXD-TXD': 'dynamic_queue2', 'Mpps': '7.537 Mpps', - '% linerate': '12.662%', 'nb_desc': 1024, 'Expected Throughput': '7.537 Mpps', 'Throughput Difference': '-0.000 Mpps'}}}} - 2, create test results table - 3, save to json file for Open Lab """ header = self.table_header header.append("nb_desc") @@ -704,12 +737,9 @@ class TestVirTioVhostCbdma(TestCase): def tear_down(self): """ Run after each test case. - Clear qemu and testpmd to avoid blocking the following TCs """ self.dut.send_expect("killall -I %s" % self.testpmd_name, '#', 20) self.bind_cbdma_device_to_kernel() - if self.running_case == 'test_check_threshold_value_with_cbdma': - self.bind_nic_driver(self.dut_ports, self.drivername) def tear_down_all(self): """ @@ -717,5 +747,4 @@ class TestVirTioVhostCbdma(TestCase): """ self.dut.close_session(self.vhost_user) self.dut.close_session(self.virtio_user) - self.dut.close_session(self.virtio_user1) self.dut.kill_all() -- 2.25.1