Patch Detail

HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 115184,
    "url": "http://patchwork.dpdk.org/api/patches/115184/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dts/patch/20220817020039.4015966-1-weix.ling@intel.com/",
    "project": {
        "id": 3,
        "url": "http://patchwork.dpdk.org/api/projects/3/?format=api",
        "name": "DTS",
        "link_name": "dts",
        "list_id": "dts.dpdk.org",
        "list_email": "dts@dpdk.org",
        "web_url": "",
        "scm_url": "git://dpdk.org/tools/dts",
        "webscm_url": "http://git.dpdk.org/tools/dts/",
        "list_archive_url": "https://inbox.dpdk.org/dts",
        "list_archive_url_format": "https://inbox.dpdk.org/dts/{}",
        "commit_url_format": ""
    },
    "msgid": "<20220817020039.4015966-1-weix.ling@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dts/20220817020039.4015966-1-weix.ling@intel.com",
    "date": "2022-08-17T02:00:39",
    "name": "[V3,1/3] test_plans/basic_4k_pages_cbdma_test_plan: modify testplan to test virtio dequeue",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "52e12ec83a86554ba52049843e3ea296d417dedf",
    "submitter": {
        "id": 1828,
        "url": "http://patchwork.dpdk.org/api/people/1828/?format=api",
        "name": "Ling, WeiX",
        "email": "weix.ling@intel.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.dpdk.org/project/dts/patch/20220817020039.4015966-1-weix.ling@intel.com/mbox/",
    "series": [
        {
            "id": 24329,
            "url": "http://patchwork.dpdk.org/api/series/24329/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dts/list/?series=24329",
            "date": "2022-08-17T02:00:18",
            "name": "modify basic_4k_pages_cbdma to test virtio dequeue",
            "version": 3,
            "mbox": "http://patchwork.dpdk.org/series/24329/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/115184/comments/",
    "check": "pending",
    "checks": "http://patchwork.dpdk.org/api/patches/115184/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dts-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id EEA91A0032;\n\tWed, 17 Aug 2022 04:04:58 +0200 (CEST)",
            "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id DC9FC40691;\n\tWed, 17 Aug 2022 04:04:58 +0200 (CEST)",
            "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n by mails.dpdk.org (Postfix) with ESMTP id 97543400D6\n for <dts@dpdk.org>; Wed, 17 Aug 2022 04:04:56 +0200 (CEST)",
            "from orsmga006.jf.intel.com ([10.7.209.51])\n by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Aug 2022 19:04:55 -0700",
            "from unknown (HELO localhost.localdomain) ([10.239.252.222])\n by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Aug 2022 19:04:53 -0700"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1660701896; x=1692237896;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=4k9wW7AXwOuTOsgZJJPnrLQCpg+N0BXVIwfPlTiFEmM=;\n b=NIj+GHdHbt3qVPPB86LBoM3hdtzV1mkjCDqArNYiD5CAjgiCi4igWN55\n Chb2YXKpPOiZbFhUh6S1JQHqFTp++pHBasFey6EGWF6aOFGYo87MVRcx+\n 5F96oHNx6bB4iGzD00Va4autEULrkmPIh2x5C8ljB1s4tto51jf1NtZUa\n 3NRFKYvTySjvtxSEnwUmEmMxLvLP8MIqEbpUr2pz1TcBJY6C9jq7AqsJK\n MRr5jSUYZkKsdMgOBi1yEEde559Z2hhin/AWddyxjeihbYguwEV+4BJ21\n WirJUVMEVm23Kh7S5hTu81wanSdmoDs9OAYkgWaH7hVy3QAmFY8vU/lb8 Q==;",
        "X-IronPort-AV": [
            "E=McAfee;i=\"6400,9594,10441\"; a=\"272147111\"",
            "E=Sophos;i=\"5.93,242,1654585200\";\n d=\"scan'208,223\";a=\"272147111\"",
            "E=Sophos;i=\"5.93,242,1654585200\";\n d=\"scan'208,223\";a=\"583562980\""
        ],
        "From": "Wei Ling <weix.ling@intel.com>",
        "To": "dts@dpdk.org",
        "Cc": "Wei Ling <weix.ling@intel.com>",
        "Subject": "[dts][PATCH V3 1/3] test_plans/basic_4k_pages_cbdma_test_plan: modify\n testplan to test virtio dequeue",
        "Date": "Tue, 16 Aug 2022 22:00:39 -0400",
        "Message-Id": "<20220817020039.4015966-1-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 <dts.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dts>,\n <mailto:dts-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dts/>",
        "List-Post": "<mailto:dts@dpdk.org>",
        "List-Help": "<mailto:dts-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dts>,\n <mailto:dts-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dts-bounces@dpdk.org"
    },
    "content": "From DPDK-22.07, virtio support async dequeue for split and packed ring\npath, so modify basic_4k_pages_cbdma testplan to test the split\nand packed ring async dequeue feature.\n\nSigned-off-by: Wei Ling <weix.ling@intel.com>\n---\n test_plans/basic_4k_pages_cbdma_test_plan.rst | 624 ++++++++++++------\n 1 file changed, 426 insertions(+), 198 deletions(-)",
    "diff": "diff --git a/test_plans/basic_4k_pages_cbdma_test_plan.rst b/test_plans/basic_4k_pages_cbdma_test_plan.rst\nindex 5bbd19b4..e5763998 100644\n--- a/test_plans/basic_4k_pages_cbdma_test_plan.rst\n+++ b/test_plans/basic_4k_pages_cbdma_test_plan.rst\n@@ -5,27 +5,26 @@\n Basic test with CBDMA in 4K-pages test plan\n ===========================================\n \n-DPDK 19.02 add support for using virtio-user without hugepages. The --no-huge mode was augmented to use memfd-backed memory \n+DPDK 19.02 add support for using virtio-user without hugepages. The --no-huge mode was augmented to use memfd-backed memory\n (on systems that support memfd), to allow using virtio-user-based NICs without hugepages.\n \n Vhost asynchronous data path leverages DMA devices to offload memory copies from the CPU and it is implemented in an asynchronous way.\n-In addition, vhost supports M:N mapping between vrings and DMA virtual channels. Specifically, one vring can use multiple different DMA \n-channels and one DMA channel can be shared by multiple vrings at the same time. Vhost enqueue operation with CBDMA channels is supported\n-in both split and packed ring.\n+In addition, vhost supports M:N mapping between vrings and DMA virtual channels. Specifically, one vring can use multiple different DMA\n+channels and one DMA channel can be shared by multiple vrings at the same time. From DPDK22.07, Vhost enqueue and dequeue operation with\n+CBDMA channels is supported in both split and packed ring.\n \n This document provides the test plan for testing some basic functions with CBDMA device in 4K-pages memory environment.\n 1. Test split and packed ring virtio path in the PVP topology environmet.\n 2. Check Vhost tx offload function by verifing the TSO/cksum in the TCP/IP stack with vm2vm split ring and packed ring\n vhost-user/virtio-net mergeable path.\n-3.Check the payload of large packet (larger than 1MB) is valid after forwarding packets with vm2vm split ring and packed ring \n+3.Check the payload of large packet (larger than 1MB) is valid after forwarding packets with vm2vm split ring and packed ring\n vhost-user/virtio-net mergeable path.\n-4. Vhost-user using 1G hugepges and virtio-user using 4k-pages.\n \n-.. note:\n+Note:\n \n-   1. When CBDMA channels are bound to vfio driver, VA mode is the default and recommended.\n-   For PA mode, page by page mapping may exceed IOMMU's max capability, better to use 1G guest hugepage.\n-   2. DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd. And case 4-5 have not yet been automated.\n+1. When CBDMA channels are bound to vfio driver, VA mode is the default and recommended.\n+For PA mode, page by page mapping may exceed IOMMU's max capability, better to use 1G guest hugepage.\n+2. DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd. And case 4-5 have not yet been automated.\n \n For more about dpdk-testpmd sample, please refer to the DPDK docments:\n https://doc.dpdk.org/guides/testpmd_app_ug/run_app.html\n@@ -45,10 +44,10 @@ General set up\n    \n 2. Compile DPDK::\n \n-\t# CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=<dpdk build dir>\n+\t# CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static <dpdk build dir>\n \t# ninja -C <dpdk build dir> -j 110\n     For example:\n-    CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=x86_64-native-linuxapp-gcc\n+    CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static x86_64-native-linuxapp-gcc\n     ninja -C x86_64-native-linuxapp-gcc -j 110\n \n 3. Get the PCI device ID and DMA device ID of DUT, for example, 0000:18:00.0 is PCI device ID, 0000:00:04.0, 0000:00:04.1 is DMA device ID::\n@@ -84,213 +83,284 @@ Common steps\n \tFor example, bind 1 NIC port and 1 CBDMA channels:\n \t<dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci 0000:af:00.0,0000:80:04.0\n \n-Test Case 1: Basic test vhost/virtio-user split ring with 4K-pages and cbdma enable\n------------------------------------------------------------------------------------\n-This case uses testpmd Traffic Generator(For example, Trex) to test split ring when vhost uses the asynchronous enqueue operations with CBDMA channels\n-in 4k-pages environment. And the mapping between vrings and dsa virtual channels is 1:1.\n+Test Case 1: Basic test vhost-user/virtio-user split ring vhost async operation using 4K-pages and cbdma enable\n+---------------------------------------------------------------------------------------------------------------\n+This case tests basic functions of split ring virtio path when uses the asynchronous operations with CBDMA channels in 4K-pages memory environment and PVP vhost-user/virtio-user topology.\n \n-1. Bind 1 NIC port and 1 CBDMA channel to vfio-pci, as common steps 1.\n+1. Bind one port to vfio-pci, launch vhost::\n \n-2. Launch vhost by below command::\n+    ./usertools/dpdk-devbind.py --bind=vfio-pci xx:xx.x\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 3-4 -n 4 -m 1024 --no-huge --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \\\n+    --vdev 'net_vhost0,iface=/tmp/vhost-net,queues=1,dmas=[txq0;rxq0]' -- -i --no-numa --socket-num=0 --lcore-dma=[lcore4@0000:00:04.0]\n+    testpmd>start\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 31-32 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:af:00.0 -a 0000:80:04.0 \\\n-\t--vdev 'net_vhost0,iface=/tmp/vhost-net,queues=1,dmas=[txq0]' -- -i --no-numa --socket-num=1 --lcore-dma=[lcore32@0000:80:04.0]\n-\ttestpmd> start\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan\n+    mount tmpfs /mnt/tmpfs_yinan -t tmpfs -o size=4G\n \n 3. Launch virtio-user with 4K-pages::\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 33-34 -n 4 --no-huge -m 1024 --file-prefix=virtio-user --no-pci \\\n-\t--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost-net,queues=1 -- -i\n-\ttestpmd> set fwd mac\n-\ttestpmd> start\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 5-6 -n 4 --no-huge -m 1024 --file-prefix=virtio-user \\\n+    --vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=/tmp/vhost-net,queues=1 -- -i\n+    testpmd>start\n \n 4. Send packet with packet generator with different packet size,includes [64, 128, 256, 512, 1024, 1518], check the throughput with below command::\n \n-\ttestpmd> show port stats all\n+    testpmd>show port stats all\n+\n+Test Case 2: Basic test vhost-user/virtio-user packed ring vhost async operation using 4K-pages and cbdma enable\n+----------------------------------------------------------------------------------------------------------------\n+This case tests basic functions of packed ring virtio path when uses the asynchronous operations with CBDMA channels in 4K-pages memory environment and PVP vhost-user/virtio-user topology.\n \n-Test Case 2: Basic test vhost/virtio-user packed ring with 4K-pages and cbdma enable\n-------------------------------------------------------------------------------------\n-This case uses testpmd Traffic Generator(For example, Trex) to test packed ring when vhost uses the asynchronous enqueue operations with CBDMA channels\n-in 4k-pages environment. And the mapping between vrings and dsa virtual channels is 1:1.\n+1. Bind one port to vfio-pci, launch vhost::\n \n-1. Bind 1 NIC port and 1 CBDMA channel to vfio-pci, as common steps 1.\n+    modprobe vfio-pci\n+    ./usertools/dpdk-devbind.py --bind=vfio-pci xx:xx.x\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 3-4 -n 4 -m 1024 --no-huge --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \\\n+    --vdev 'net_vhost0,iface=/tmp/vhost-net,queues=1,dmas=[txq0;rxq0]' -- -i --no-numa --socket-num=0 --lcore-dma=[lcore4@0000:00:04.0]\n+    testpmd>start\n \n-2. Launch vhost by below command::\n+2. Prepare tmpfs with 4K-pages::\n \n-\t./usertools/dpdk-devbind.py --bind=vfio-pci 0000:af:00.0 0000:80:04.0\n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 31-32 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:af:00.0 -a 0000:80:04.0 \\\n-\t--vdev 'net_vhost0,iface=/tmp/vhost-net,queues=1,dmas=[txq0]' -- -i --no-numa --socket-num=1 --lcore-dma=[lcore32@0000:80:04.0]\n-\ttestpmd> start\n+    mkdir /mnt/tmpfs_yinan\n+    mount tmpfs /mnt/tmpfs_yinan -t tmpfs -o size=4G\n \n 3. Launch virtio-user with 4K-pages::\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 33-34 -n 4 --no-huge -m 1024 --file-prefix=virtio-user --no-pci \\\n-\t--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost-net,packed_vq=1,queues=1 -- -i\n-\ttestpmd> set fwd mac\n-\ttestpmd> start\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 5-6 -n 4 --no-huge -m 1024 --file-prefix=virtio-user \\\n+    --vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=/tmp/vhost-net,packed_vq=1,queues=1 -- -i\n+    testpmd>start\n \n 4. Send packet with packet generator with different packet size,includes [64, 128, 256, 512, 1024, 1518], check the throughput with below command::\n \n-\ttestpmd> show port stats all\n+    testpmd>show port stats all\n+\n+Test Case 3: VM2VM vhost-user/virtio-net split ring vhost async operation test with tcp traffic using 4K-pages and cbdma enable\n+-------------------------------------------------------------------------------------------------------------------------------\n+This case test the function of Vhost TSO in the topology of vhost-user/virtio-net split ring mergeable path by verifing the TSO/cksum in the TCP/IP stack\n+when vhost uses the asynchronous operations with CBDMA channels in 4K-pages memory environment.\n \n-Test Case 3: VM2VM split ring vhost-user/virtio-net 4K-pages and CBDMA enable test with tcp traffic\n----------------------------------------------------------------------------------------------------\n-This case test the function of Vhost tx offload in the topology of vhost-user/virtio-net split ring mergeable path\n-by verifing the TSO/cksum in the TCP/IP stack when vhost uses the asynchronous enqueue operations with CBDMA channels\n-in 4k-pages environment.\n+1. Bind 2 CBDMA channels to vfio-pci, then launch vhost by below command::\n \n-1. Bind 2 CBDMA channels to vfio-pci, as common steps 1.\n+    rm -rf vhost-net*\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-4 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,queues=1,tso=1,dmas=[txq0;rxq0],dma_ring_size=2048' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,queues=1,tso=1,dmas=[txq0;rxq0],dma_ring_size=2048' \\\n+    --iova=va -- -i --nb-cores=2 --txd=1024 --rxd=1024 --lcore-dma=[lcore3@0000:00:04.0,lcore4@0000:00:04.1]\n+    testpmd>start\n \n-2. Launch vhost by below command::\n+2. Prepare tmpfs with 4K-pages::\n \n-\t./usertools/dpdk-devbind.py --bind=vfio-pci 0000:80:04.0 0000:80:04.1\n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30-32 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:80:04.0 -a 0000:80:04.1 \\\n-\t--vdev 'net_vhost0,iface=vhost-net0,queues=1,dmas=[txq0],dma_ring_size=2048' \\\n-\t--vdev 'net_vhost1,iface=vhost-net1,queues=1,dmas=[txq0],dma_ring_size=2048' \\\n-\t--iova=va -- -i --nb-cores=2 --txd=1024 --rxd=1024 --lcore-dma=[lcore31@0000:80:04.0,lcore32@0000:80:04.1]\n-\ttestpmd> start\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n \n 3. Launch VM1 and VM2::\n \n-\ttaskset -c 20,21,22,23,24,25,26,27 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 1 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_nohuge0,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004.img  \\\n-\t-chardev socket,path=/tmp/vm1_qga0.sock,server,nowait,id=vm1_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm1_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm1_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6000-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net0 \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on -vnc :10\n-\n-\ttaskset -c 48,49,50,51,52,53,54,55 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 1 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_nohuge1,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004_2.img  \\\n-\t-chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6001-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net1 \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on -vnc :12\n+    taskset -c 32 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 1 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img  \\\n+    -chardev socket,path=/tmp/vm1_qga0.sock,server,nowait,id=vm1_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm1_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm1_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0 \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on -vnc :10\n+\n+    taskset -c 33 qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 1 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1 \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on -vnc :12\n \n 4. On VM1, set virtio device IP and run arp protocal::\n \n-\tifconfig ens5 1.1.1.2\n-\tarp -s 1.1.1.8 52:54:00:00:00:02\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n \n 5. On VM2, set virtio device IP and run arp protocal::\n \n-\tifconfig ens5 1.1.1.8\n-\tarp -s 1.1.1.2 52:54:00:00:00:01\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n \n 6. Check the iperf performance between two VMs by below commands::\n \n-\tUnder VM1, run: `iperf -s -i 1`\n-\tUnder VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n \n 7. Check 2VMs can receive and send big packets to each other::\n \n-\ttestpmd>  show port xstats all\n-\tPort 0 should have tx packets above 1522\n-\tPort 1 should have rx packets above 1522\n+    testpmd>show port xstats all\n+    Port 0 should have tx packets above 1522\n+    Port 1 should have rx packets above 1522\n \n-Test Case 4: vm2vm vhost/virtio-net split ring multi queues with 4K-pages and cbdma enable\n--------------------------------------------------------------------------------------------\n-This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in\n-vm2vm vhost-user/virtio-net split ring mergeable path when vhost uses the asynchronous enqueue operations with CBDMA channel.\n-The dynamic change of multi-queues number also test.\n+Test Case 4: VM2VM vhost-user/virtio-net packed ring vhost async operation test with tcp traffic using 4K-pages and cbdma enable\n+--------------------------------------------------------------------------------------------------------------------------------\n+This case test the function of Vhost TSO in the topology of vhost-user/virtio-net packed ring mergeable path by verifing the TSO/cksum in the TCP/IP stack\n+when vhost uses the asynchronous operations with CBDMA channels in 4K-pages memory environment.\n+\n+1. Bind 2 CBDMA channels to vfio-pci, then launch vhost by below command::\n+\n+    rm -rf vhost-net*\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-4 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,queues=1,tso=1,dmas=[txq0;rxq0],dma_ring_size=2048' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,queues=1,tso=1,dmas=[txq0;rxq0],dma_ring_size=2048' \\\n+    --iova=va -- -i --nb-cores=2 --txd=1024 --rxd=1024 --lcore-dma=[lcore3@0000:00:04.0,lcore4@0000:00:04.1]\n+    testpmd>start\n+\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n+\n+3. Launch VM1 and VM2::\n+\n+    taskset -c 32 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 1 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img  \\\n+    -chardev socket,path=/tmp/vm1_qga0.sock,server,nowait,id=vm1_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm1_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm1_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0 \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,packed=on -vnc :10\n+\n+    taskset -c 33 qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 1 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1 \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,packed=on -vnc :12\n+\n+4. On VM1, set virtio device IP and run arp protocal::\n \n-1. Bind 16 CBDMA channels to vfio-pci, as common steps 1.\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n \n-2. Launch vhost by below command::\n+5. On VM2, set virtio device IP and run arp protocal::\n \n-\t./usertools/dpdk-devbind.py --bind=vfio-pci 0000:80:04.0 0000:80:04.1 0000:80:04.2 0000:80:04.3 0000:80:04.4 0000:80:04.5 0000:80:04.6 0000:80:04.7 \\\n-\t0000:00:04.0 0000:00:04.1 0000:00:04.2 0000:00:04.3 0000:00:04.4 0000:00:04.5 0000:00:04.6 0000:00:04.7\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 --no-huge -m 1024 --file-prefix=vhost \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n-\t--vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n-\t--vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n-\t--iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n-\t--lcore-dma=[lcore30@0000:80:04.0,lcore30@0000:80:04.1,lcore30@0000:00:04.2,lcore30@0000:00:04.3,lcore30@0000:00:04.4,lcore30@0000:00:04.5,lcore31@0000:00:04.6,lcore31@0000:00:04.7,lcore32@0000:80:04.0,lcore32@0000:80:04.1,lcore32@0000:80:04.2,lcore32@0000:80:04.3,lcore32@0000:80:04.4,lcore32@0000:80:04.5,lcore32@0000:80:04.6,lcore33@0000:80:04.7]\n+6. Check the iperf performance between two VMs by below commands::\n \n-\ttestpmd> start\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+\n+7. Check 2VMs can receive and send big packets to each other::\n+\n+    testpmd>show port xstats all\n+    Port 0 should have tx packets above 1522\n+    Port 1 should have rx packets above 1522\n+\n+Test Case 5: vm2vm vhost/virtio-net split ring multi queues using 4K-pages and cbdma enable\n+-------------------------------------------------------------------------------------------\n+This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in vm2vm vhost-user/virtio-net\n+split ring mergeable path when vhost uses the asynchronous operations with CBDMA channels in 4K-pages memory environment. The dynamic change of multi-queues number is also tested.\n \n+1. Bind one port to vfio-pci, launch vhost::\n+\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore2@0000:00:04.0,lcore2@0000:00:04.1,lcore2@0000:00:04.2,lcore2@0000:00:04.3,lcore2@0000:00:04.4,lcore2@0000:00:04.5,lcore3@0000:00:04.6,lcore3@0000:00:04.7,lcore4@0000:80:04.0,lcore4@0000:80:04.1,lcore4@0000:80:04.2,lcore4@0000:80:04.3,lcore4@0000:80:04.4,lcore4@0000:80:04.5,lcore4@0000:80:04.6,lcore5@0000:80:04.7]\n+    testpmd>start\n+\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n \n 3. Launch VM qemu::\n \n-\ttaskset -c 20,21,22,23,24,25,26,27 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004.img  \\\n-\t-chardev socket,path=/tmp/vm1_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm1_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm1_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6000-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net0,server \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :10\n-\n-\ttaskset -c 48,49,50,51,52,53,54,55 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004_2.img  \\\n-\t-chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6001-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net1,server \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :12\n+    taskset -c 32 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :10\n+\n+    taskset -c 40 qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :12\n \n 4. On VM1, set virtio device IP and run arp protocal::\n \n-\tethtool -L ens5 combined 8\n-\tifconfig ens5 1.1.1.2\n-\tarp -s 1.1.1.8 52:54:00:00:00:02\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n \n 5. On VM2, set virtio device IP and run arp protocal::\n \n-\tethtool -L ens5 combined 8\n-\tifconfig ens5 1.1.1.8\n-\tarp -s 1.1.1.2 52:54:00:00:00:01\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n \n 6. Scp 1MB file form VM1 to VM2::\n \n-\tUnder VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n+    Under VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n \n 7. Check the iperf performance between two VMs by below commands::\n \n-\tUnder VM1, run: `iperf -s -i 1`\n-\tUnder VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n \n 8. Quit and relaunch vhost w/ diff CBDMA channels::\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 --no-huge -m 1024 --file-prefix=vhost \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n-\t--vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6]' \\\n-\t--vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n-\t--iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n-\t--lcore-dma=[lcore30@0000:80:04.0,lcore30@0000:80:04.1,lcore30@0000:00:04.2,lcore30@0000:00:04.3,lcore31@0000:80:04.0,lcore31@0000:00:04.2,lcore31@0000:00:04.4,lcore31@0000:00:04.5,lcore31@0000:00:04.6,lcore31@0000:00:04.7,lcore32@0000:80:04.1,lcore32@0000:00:04.3,lcore32@0000:80:04.0,lcore32@0000:80:04.1,lcore32@0000:80:04.2,lcore32@0000:80:04.3,lcore32@0000:80:04.4,lcore32@0000:80:04.5,lcore32@0000:80:04.6,lcore33@0000:80:04.7]\n-\ttestpmd> start\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore2@0000:00:04.0,lcore2@0000:00:04.1,lcore2@0000:00:04.2,lcore2@0000:00:04.3,lcore3@0000:00:04.0,lcore3@0000:00:04.2,lcore3@0000:00:04.4,lcore3@0000:00:04.5,lcore3@0000:00:04.6,lcore3@0000:00:04.7,lcore4@0000:00:04.1,lcore4@0000:00:04.3,lcore4@0000:80:04.0,lcore4@0000:80:04.1,lcore4@0000:80:04.2,lcore4@0000:80:04.3,lcore4@0000:80:04.4,lcore4@0000:80:04.5,lcore4@0000:80:04.6,lcore5@0000:80:04.7]\n+    testpmd>start\n \n 9. Rerun step 6-7.\n \n 10. Quit and relaunch vhost w/o CBDMA channels::\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 --no-huge -m 1024 --file-prefix=vhost \\\n+\t./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost \\\n \t--vdev 'net_vhost0,iface=vhost-net0,client=1,queues=4' --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=4' \\\n \t-- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=4 --txq=4\n-\ttestpmd> start\n+\ttestpmd>start\n \n 11. On VM1, set virtio device::\n \n-\tethtool -L ens5 combined 4\n+      ethtool -L ens5 combined 4\n \n 12. On VM2, set virtio device::\n \n-\tethtool -L ens5 combined 4\n+      ethtool -L ens5 combined 4\n \n 13. Scp 1MB file form VM1 to VM2::\n \n@@ -303,91 +373,249 @@ The dynamic change of multi-queues number also test.\n \n 15. Quit and relaunch vhost with 1 queues::\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 --no-huge -m 1024 --file-prefix=vhost \\\n-\t--vdev 'net_vhost0,iface=vhost-net0,client=1,queues=4' --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=4' \\\n-\t-- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=1 --txq=1\n-\ttestpmd> start\n+     ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-huge -m 1024 --file-prefix=vhost \\\n+     --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=4' --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=4' \\\n+     -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=1 --txq=1\n+     testpmd>start\n \n 16. On VM1, set virtio device::\n \n-\tethtool -L ens5 combined 1\n+      ethtool -L ens5 combined 1\n \n 17. On VM2, set virtio device::\n \n-\tethtool -L ens5 combined 1\n+      ethtool -L ens5 combined 1\n \n 18. Scp 1MB file form VM1 to VM2M, check packets can be forwarding success by scp::\n \n-\tUnder VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n+     Under VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n \n 19. Check the iperf performance, ensure queue0 can work from vhost side::\n \n-\tUnder VM1, run: `iperf -s -i 1`\n-\tUnder VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+     Under VM1, run: `iperf -s -i 1`\n+     Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+\n+Test Case 6: vm2vm vhost/virtio-net packed ring multi queues using 4K-pages and cbdma enable\n+--------------------------------------------------------------------------------------------\n+This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in vm2vm vhost-user/virtio-net \n+packed ring mergeable path when vhost uses the asynchronous operations with CBDMA channels in 4K-pages memory environment.\n+\n+1. Bind one port to vfio-pci, launch vhost::\n+\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore2@0000:00:04.0,lcore2@0000:00:04.1,lcore2@0000:00:04.2,lcore2@0000:00:04.3,lcore2@0000:00:04.4,lcore2@0000:00:04.5,lcore3@0000:00:04.6,lcore3@0000:00:04.7,lcore4@0000:80:04.0,lcore4@0000:80:04.1,lcore4@0000:80:04.2,lcore4@0000:80:04.3,lcore4@0000:80:04.4,lcore4@0000:80:04.5,lcore4@0000:80:04.6,lcore5@0000:80:04.7]\n+    testpmd>start\n+\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n+\n+3. Launch VM qemu::\n+\n+    taskset -c 32 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on,packed=on -vnc :10\n+\n+    taskset -c 40 qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img  \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on,packed=on -vnc :12\n+\n+4. On VM1, set virtio device IP and run arp protocal::\n+\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n \n-Test Case 5: vm2vm vhost/virtio-net split packed ring multi queues with 1G/4k-pages and cbdma enable\n+5. On VM2, set virtio device IP and run arp protocal::\n+\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n+\n+6. Scp 1MB file form VM1 to VM2::\n+\n+    Under VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n+\n+7. Check the iperf performance between two VMs by below commands::\n+\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+\n+Test Case 7: vm2vm vhost/virtio-net split ring multi queues using 1G/4k-pages and cbdma enable\n+----------------------------------------------------------------------------------------------\n+This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in vm2vm vhost-user/virtio-net\n+split ring mergeable path when vhost uses the asynchronous operations with CBDMA channels,the back-end is in 1G-pages memory environment and the front-end is in 4k-pages memory environment.\n+\n+1. Bind 16 CBDMA channel to vfio-pci, launch vhost::\n+\n+    ./usertools/dpdk-devbind.py --bind=vfio-pci 0000:80:04.0 0000:80:04.1 0000:80:04.2 0000:80:04.3 0000:80:04.4 0000:80:04.5 0000:80:04.6 0000:80:04.7 \\\n+    0000:00:04.0 0000:00:04.1 0000:00:04.2 0000:00:04.3 0000:00:04.4 0000:00:04.5 0000:00:04.6 0000:00:04.7\n+\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 -m 1024 --file-prefix=vhost \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore30@0000:80:04.0,lcore30@0000:80:04.1,lcore30@0000:00:04.2,lcore30@0000:00:04.3,lcore31@0000:00:04.4,lcore31@0000:00:04.5,lcore31@0000:00:04.6,lcore31@0000:00:04.7,lcore32@0000:80:04.0,lcore32@0000:80:04.1,lcore32@0000:80:04.2,lcore32@0000:80:04.3,lcore33@0000:80:04.4,lcore33@0000:80:04.5,lcore33@0000:80:04.6,lcore33@0000:80:04.7]\n+    testpmd>start\n+\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n+\n+3. Launch VM qemu::\n+\n+    taskset -c 20,21,22,23,24,25,26,27 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004.img \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6000-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :10\n+\n+    taskset -c 48,49,50,51,52,53,54,55 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004_2.img \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6001-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :12\n+\n+4. On VM1, set virtio device IP and run arp protocal::\n+\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n+\n+5. On VM2, set virtio device IP and run arp protocal::\n+\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n+\n+6. Scp 1MB file form VM1 to VM2::\n+\n+    Under VM1, run: `scp [xxx] root@1.1.1.8:/` [xxx] is the file name\n+\n+7. Check the iperf performance between two VMs by below commands::\n+\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+\n+8. Quit and relaunch vhost w/ diff CBDMA channels::\n+\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-huge -m 1024 --file-prefix=vhost -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore2@0000:00:04.0,lcore2@0000:00:04.1,lcore2@0000:00:04.2,lcore2@0000:00:04.3,lcore3@0000:00:04.0,lcore3@0000:00:04.2,lcore3@0000:00:04.4,lcore3@0000:00:04.5,lcore3@0000:00:04.6,lcore3@0000:00:04.7,lcore4@0000:00:04.1,lcore4@0000:00:04.3,lcore4@0000:80:04.0,lcore4@0000:80:04.1,lcore4@0000:80:04.2,lcore4@0000:80:04.3,lcore4@0000:80:04.4,lcore4@0000:80:04.5,lcore4@0000:80:04.6,lcore5@0000:80:04.7]\n+    testpmd>start\n+\n+9. Rerun step 6-7.\n+\n+Test Case 8: vm2vm vhost/virtio-net split packed ring multi queues with 1G/4k-pages and cbdma enable\n ----------------------------------------------------------------------------------------------------\n-This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in \n-vm2vm vhost-user/virtio-net multi-queues mergeable path when vhost uses the asynchronous enqueue operations with CBDMA\n-channels. And one virtio-net is split ring, the other is packed ring. The vhost run in 1G hugepages and the virtio-user run in 4k-pages environment.\n+This case uses iperf and scp to test the payload of large packet (larger than 1MB) is valid after packets forwarding in vm2vm vhost-user/virtio-net\n+split and packed ring mergeable path when vhost uses the asynchronous operations with CBDMA channels,the back-end is in 1G-pages memory environment and the front-end is in 4k-pages memory environment.\n \n-1. Bind 16 CBDMA channel to vfio-pci, as common steps 1.\n+1. Bind 16 CBDMA channel to vfio-pci, launch vhost::\n \n-2. Launch vhost by below command::\n+    ./usertools/dpdk-devbind.py --bind=vfio-pci 0000:80:04.0 0000:80:04.1 0000:80:04.2 0000:80:04.3 0000:80:04.4 0000:80:04.5 0000:80:04.6 0000:80:04.7 \\\n+    0000:00:04.0 0000:00:04.1 0000:00:04.2 0000:00:04.3 0000:00:04.4 0000:00:04.5 0000:00:04.6 0000:00:04.7\n \n-\t./usertools/dpdk-devbind.py --bind=vfio-pci 0000:80:04.0 0000:80:04.1 0000:80:04.2 0000:80:04.3 0000:80:04.4 0000:80:04.5 0000:80:04.6 0000:80:04.7 \\\n-\t0000:00:04.0 0000:00:04.1 0000:00:04.2 0000:00:04.3 0000:00:04.4 0000:00:04.5 0000:00:04.6 0000:00:04.7\n+    ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 -m 1024 --file-prefix=vhost \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n+    -a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n+    --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \\\n+    --iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n+    --lcore-dma=[lcore30@0000:80:04.0,lcore30@0000:80:04.1,lcore30@0000:00:04.2,lcore30@0000:00:04.3,lcore31@0000:00:04.4,lcore31@0000:00:04.5,lcore31@0000:00:04.6,lcore31@0000:00:04.7,lcore32@0000:80:04.0,lcore32@0000:80:04.1,lcore32@0000:80:04.2,lcore32@0000:80:04.3,lcore33@0000:80:04.4,lcore33@0000:80:04.5,lcore33@0000:80:04.6,lcore33@0000:80:04.7]\n+    testpmd>start\n \n-\t<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 29-33 -n 4 -m 1024 --file-prefix=vhost \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \\\n-\t-a 0000:80:04.0 -a 0000:80:04.1 -a 0000:80:04.2 -a 0000:80:04.3 -a 0000:80:04.4 -a 0000:80:04.5 -a 0000:80:04.6 -a 0000:80:04.7 \\\n-\t--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;]' \\\n-\t--vdev 'net_vhost1,iface=vhost-net1,queues=8,dmas=[txq0;txq1;txq2;txq3;]' \\\n-\t--iova=va -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 \\\n-\t--lcore-dma=[lcore30@0000:80:04.0,lcore30@0000:80:04.1,lcore30@0000:00:04.2,lcore30@0000:00:04.3,lcore31@0000:00:04.4,lcore31@0000:00:04.5,lcore31@0000:00:04.6,lcore31@0000:00:04.7,lcore32@0000:80:04.0,lcore32@0000:80:04.1,lcore32@0000:80:04.2,lcore32@0000:80:04.3,lcore33@0000:80:04.4,lcore33@0000:80:04.5,lcore33@0000:80:04.6,lcore33@0000:80:04.7]\n-\ttestpmd> start\n+2. Prepare tmpfs with 4K-pages::\n+\n+    mkdir /mnt/tmpfs_yinan0\n+    mkdir /mnt/tmpfs_yinan1\n+    mount tmpfs /mnt/tmpfs_yinan0 -t tmpfs -o size=4G\n+    mount tmpfs /mnt/tmpfs_yinan1 -t tmpfs -o size=4G\n \n 3. Launch VM qemu::\n \n-\ttaskset -c 20,21,22,23,24,25,26,27 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_nohuge0,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004.img  \\\n-\t-chardev socket,path=/tmp/vm1_qga0.sock,server,nowait,id=vm1_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm1_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm1_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6000-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net0 \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :10\n-\n-\ttaskset -c 48,49,50,51,52,53,54,55 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n-\t-object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_nohuge1,share=on \\\n-\t-numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004_2.img  \\\n-\t-chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n-\t-device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n-\t-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n-\t-netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6001-:22 \\\n-\t-chardev socket,id=char0,path=./vhost-net1 \\\n-\t-netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n-\t-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,packed=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :12\n+    taskset -c 20,21,22,23,24,25,26,27 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan0,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004.img \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6000-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net0,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on -vnc :10\n+\n+    taskset -c 48,49,50,51,52,53,54,55 /home/QEMU/qemu-6.2.0/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 8 -m 4096 \\\n+    -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/tmpfs_yinan1,share=on \\\n+    -numa node,memdev=mem -mem-prealloc -drive file=/home/image/ubuntu2004_2.img \\\n+    -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \\\n+    -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \\\n+    -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \\\n+    -netdev user,id=nttsip1,hostfwd=tcp:10.239.251.220:6001-:22 \\\n+    -chardev socket,id=char0,path=./vhost-net1,server \\\n+    -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \\\n+    -device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:02,disable-modern=false,mrg_rxbuf=on,mq=on,vectors=40,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on,guest_ufo=on,host_ufo=on,packed=on -vnc :12\n \n 4. On VM1, set virtio device IP and run arp protocal::\n \n-\tethtool -L ens5 combined 8\n-\tifconfig ens5 1.1.1.2\n-\tarp -s 1.1.1.8 52:54:00:00:00:02\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.2\n+    arp -s 1.1.1.8 52:54:00:00:00:02\n \n 5. On VM2, set virtio device IP and run arp protocal::\n \n-\tethtool -L ens5 combined 8\n-\tifconfig ens5 1.1.1.8\n-\tarp -s 1.1.1.2 52:54:00:00:00:01\n+    ethtool -L ens5 combined 8\n+    ifconfig ens5 1.1.1.8\n+    arp -s 1.1.1.2 52:54:00:00:00:01\n \n 6. Scp 1MB file form VM1 to VM2::\n \n-\tUnder VM1, run: `scp [xxx] root@1.1.1.8:/`   [xxx] is the file name\n+    Under VM1, run: `scp [xxx] root@1.1.1.8:/` [xxx] is the file name\n \n 7. Check the iperf performance between two VMs by below commands::\n \n-\tUnder VM1, run: `iperf -s -i 1`\n-\tUnder VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+    Under VM1, run: `iperf -s -i 1`\n+    Under VM2, run: `iperf -c 1.1.1.2 -i 1 -t 60`\n+\n+8. Relaunch VM1, and rerun step 4.\n+\n+9. Rerun step 6-7.\n",
    "prefixes": [
        "V3",
        "1/3"
    ]
}