From patchwork Thu May 19 06:46:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ling, WeiX" X-Patchwork-Id: 111360 Return-Path: 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]) by inbox.dpdk.org (Postfix) with ESMTP id CBFDDA0505; Thu, 19 May 2022 08:48:01 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B5AAE42684; Thu, 19 May 2022 08:48:01 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by mails.dpdk.org (Postfix) with ESMTP id 8174640156 for ; Thu, 19 May 2022 08:47:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652942879; x=1684478879; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=CPuCzfauomrXj4nK4P9xcoUtJb2sKRKBsH6vM9+VIdc=; b=h1IBck3izear/ND8jpLmwKHmcJP5iAcm9kDN3IgfTPM4VYY3S1nbeTvL eBJ7zcXowXZa2caqSE0i9D20w23ueEX8ZsaTcdy+SlmneJ/dEamM4Sdv2 9v7DiYa7fKKky2Y1+UYHYDAfUHivIR3gkphw7kmeg+LB2Ot8/xDwecoSX IXHG9LUjc1p5jp92M5KiX3uWtdCFDPe7kxOMLA2HJ0uWusxz1ukfH++0q K4rIEvlo3ABI2Gu+h1hx4JrpmuPlBp3chFv1mpO7+rKk8pxmihFGIoRIF YO8esxQ/7EuUKlL2X7X5CkhY06ezDqsQJd1T8XSY4DJwQh567XxYrDlAJ A==; X-IronPort-AV: E=McAfee;i="6400,9594,10351"; a="259624819" X-IronPort-AV: E=Sophos;i="5.91,236,1647327600"; d="scan'208";a="259624819" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2022 23:47:58 -0700 X-IronPort-AV: E=Sophos;i="5.91,236,1647327600"; d="scan'208";a="545927010" Received: from unknown (HELO localhost.localdomain) ([10.239.251.222]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2022 23:47:46 -0700 From: Wei Ling To: dts@dpdk.org Cc: Wei Ling Subject: [dts][PATCH V1 1/2] test_plans/vm2vm_virtio_pmd_test_plan: delete CBDMA related testcases Date: Thu, 19 May 2022 02:46:25 -0400 Message-Id: <20220519064625.2813620-1-weix.ling@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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 Delete CBDMA related testcases. Signed-off-by: Wei Ling --- test_plans/vm2vm_virtio_pmd_test_plan.rst | 228 ---------------------- 1 file changed, 228 deletions(-) diff --git a/test_plans/vm2vm_virtio_pmd_test_plan.rst b/test_plans/vm2vm_virtio_pmd_test_plan.rst index 6afb8d6f..b6b83ab9 100644 --- a/test_plans/vm2vm_virtio_pmd_test_plan.rst +++ b/test_plans/vm2vm_virtio_pmd_test_plan.rst @@ -542,231 +542,3 @@ Test Case 8: VM2VM vhost-user/virtio1.1-pmd with normal path Throughput (since last show) RX-pps: xxx TX-pps: xxx - -Test Case 9: VM2VM virtio-pmd split ring mergeable path 8 queues CBDMA enable with server mode stable test -========================================================================================================== - -1. Bind 16 cbdma channels to vfio-pci driver, then launch the testpmd with 2 vhost port and 8 queues by below commands:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.1;txq2@0000:00:04.2;txq3@0000:00:04.3;txq4@0000:00:04.4;txq5@0000:00:04.5;txq6@0000:00:04.6;txq7@0000:00:04.7]' \ - --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0@0000:80:04.0;txq1@0000:80:04.1;txq2@0000:80:04.2;txq3@0000:80:04.3;txq4@0000:80:04.4;txq5@0000:80:04.5;txq6@0000:80:04.6;txq7@0000:80:04.7]' -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 - testpmd>vhost enable tx all - testpmd>start - -2. Launch VM1 and VM2 using qemu5.2.0:: - - taskset -c 6-16 /home/qemu-install/qemu-5.2/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \ - -chardev socket,id=char0,path=./vhost-net0,server \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - - taskset -c 17-27 /home/qemu-install/qemu-5.2/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \ - -chardev socket,id=char0,path=./vhost-net1,server \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - -3. On VM1 and VM2, bind virtio device with vfio-pci driver:: - - modprobe vfio - modprobe vfio-pci - echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode - ./usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:00:05.0 - -4. Launch testpmd in VM1:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>start - -5. Launch testpmd in VM2, sent imix pkts from VM2:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>set txpkts 64,256,512,1024,2000,64,256,512,1024,2000 - testpmd>start tx_first 1 - -6. Check imix packets can looped between two VMs for 1 mins and 8 queues all have packets rx/tx:: - - testpmd>show port stats all - testpmd>stop - -7. Relaunch and start vhost side testpmd with below cmd:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.1;txq2@0000:00:04.2;txq3@0000:00:04.3;txq4@0000:00:04.4;txq5@0000:00:04.5;txq6@0000:00:04.6;txq7@0000:00:04.7]' \ - --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0@0000:80:04.0;txq1@0000:80:04.1;txq2@0000:80:04.2;txq3@0000:80:04.3;txq4@0000:80:04.4;txq5@0000:80:04.5;txq6@0000:80:04.6;txq7@0000:80:04.7]' -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 - testpmd>start - -8. Send pkts by testpmd in VM2, check imix packets can looped between two VMs for 1 mins and 8 queues all have packets rx/tx:: - - testpmd>stop - testpmd>start tx_first 1 - testpmd>show port stats all - testpmd>stop - -9. Rerun step 7-8 for 10 times. - -Test Case 10: VM2VM virtio-pmd split ring mergeable path dynamic queue size CBDMA enable with server mode test -============================================================================================================== - -1. Bind 16 cbdma channels to vfio-pci driver, then launch the testpmd with 2 vhost ports below commands:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.1;txq2@0000:00:04.2;txq3@0000:00:04.3;txq4@0000:00:04.4;txq5@0000:00:04.5;txq6@0000:00:04.6;txq7@0000:00:04.7]' \ - --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0@0000:80:04.0;txq1@0000:80:04.1;txq2@0000:80:04.2;txq3@0000:80:04.3;txq4@0000:80:04.4;txq5@0000:80:04.5;txq6@0000:80:04.6;txq7@0000:80:04.7]' -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=4 --txq=4 - testpmd>vhost enable tx all - testpmd>start - -2. Launch VM1 and VM2 using qemu5.2.0:: - - taskset -c 6-16 /home/qemu-install/qemu-5.2/bin/qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \ - -chardev socket,id=char0,path=./vhost-net0,server \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - - taskset -c 17-27 /home/qemu-install/qemu-5.2/bin/qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \ - -chardev socket,id=char0,path=./vhost-net1,server \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - -3. On VM1 and VM2, bind virtio device with vfio-pci driver:: - - modprobe vfio - modprobe vfio-pci - echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode - ./usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:00:05.0 - -4. Launch testpmd in VM1:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>start - -5. Launch testpmd in VM2 and send imix pkts, check imix packets can looped between two VMs for 1 mins and 4 queues (queue0 to queue3) have packets rx/tx:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>set txpkts 64,256,512,1024,2000,64,256,512,1024,2000 - testpmd>start tx_first 32 - testpmd>show port stats all - testpmd>stop - -6. Relaunch and start vhost side testpmd with eight queues:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,client=1,queues=8,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.1;txq2@0000:00:04.2;txq3@0000:00:04.3;txq4@0000:00:04.4;txq5@0000:00:04.5;txq6@0000:00:04.6;txq7@0000:00:04.7]' \ - --vdev 'net_vhost1,iface=vhost-net1,client=1,queues=8,dmas=[txq0@0000:80:04.0;txq1@0000:80:04.1;txq2@0000:80:04.2;txq3@0000:80:04.3;txq4@0000:80:04.4;txq5@0000:80:04.5;txq6@0000:80:04.6;txq7@0000:80:04.7]' -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 - testpmd>start - -7. Send pkts by testpmd in VM2, check imix packets can looped between two VMs for 1 mins and 8 queues all have packets rx/tx:: - - testpmd>stop - testpmd>start tx_first 32 - testpmd>show port stats all - testpmd>stop - -8. Rerun step 6-7 for 10 times. - -Test Case 11: VM2VM virtio-pmd packed ring mergeable path 8 queues CBDMA enable test -===================================================================================== - -1. Bind 16 cbdma channels to vfio-pci driver, then launch the testpmd with 2 vhost port and 8 queues by below commands:: - - rm -rf vhost-net* - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.1;txq2@0000:00:04.2;txq3@0000:00:04.3;txq4@0000:00:04.4;txq5@0000:00:04.5;txq6@0000:00:04.6;txq7@0000:00:04.7]' \ - --vdev 'net_vhost1,iface=vhost-net1,queues=8,dmas=[txq0@0000:80:04.0;txq1@0000:80:04.1;txq2@0000:80:04.2;txq3@0000:80:04.3;txq4@0000:80:04.4;txq5@0000:80:04.5;txq6@0000:80:04.6;txq7@0000:80:04.7]' -- -i --nb-cores=4 --txd=1024 --rxd=1024 --rxq=8 --txq=8 - testpmd>vhost enable tx all - testpmd>start - -2. Launch VM1 and VM2 with qemu 5.2.0:: - - taskset -c 6-16 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \ - -chardev socket,id=char0,path=./vhost-net0 \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - - taskset -c 17-27 qemu-system-x86_64 -name vm2 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04-2.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6003-:22 \ - -chardev socket,id=char0,path=./vhost-net1 \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - -3. On VM1 and VM2, bind virtio device with vfio-pci driver:: - - modprobe vfio - modprobe vfio-pci - echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode - ./usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:00:05.0 - -4. Launch testpmd in VM1:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>start - -5. Launch testpmd in VM2 and send imix pkts, check imix packets can looped between two VMs for 1 mins and 8 queues all have packets rx/tx:: - - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>set txpkts 64,256,512,1024,20000,64,256,512,1024,20000 - testpmd>start tx_first 32 - testpmd>show port stats all - testpmd>stop - -6. Quit VM2 and relaunch VM2 with split ring:: - - taskset -c 6-16 qemu-system-x86_64 -name vm1 -enable-kvm -cpu host -smp 9 -m 4096 \ - -object memory-backend-file,id=mem,size=4096M,mem-path=/mnt/huge,share=on \ - -numa node,memdev=mem -mem-prealloc -drive file=/home/osimg/ubuntu20-04.img \ - -chardev socket,path=/tmp/vm2_qga0.sock,server,nowait,id=vm2_qga0 -device virtio-serial \ - -device virtserialport,chardev=vm2_qga0,name=org.qemu.guest_agent.2 -daemonize \ - -monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \ - -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6002-:22 \ - -chardev socket,id=char0,path=./vhost-net0 \ - -netdev type=vhost-user,id=netdev0,chardev=char0,vhostforce,queues=8 \ - -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 - -7. Bind virtio device with vfio-pci driver, launch testpmd in VM2 and send imix pkts, check imix packets can looped between two VMs for 1 mins and 8 queues all have packets rx/tx:: - - modprobe vfio - modprobe vfio-pci - echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode - ./usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:00:05.0 - ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0x3 -n 4 -- -i --tx-offloads=0x00 --enable-hw-vlan-strip --txq=8 --rxq=8 --txd=1024 --rxd=1024 --max-pkt-len=9600 --rx-offloads=0x00002000 - testpmd>set mac fwd - testpmd>set txpkts 64,256,512,1024,20000,64,256,512,1024,20000 - testpmd>start tx_first 32 - testpmd>show port stats all - testpmd>stop