From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 1A04EA05D3 for ; Tue, 23 Apr 2019 03:36:42 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D36761B497; Tue, 23 Apr 2019 03:36:41 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id D8B145B40 for ; Tue, 23 Apr 2019 03:36:39 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Apr 2019 18:36:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,384,1549958400"; d="scan'208";a="136497681" Received: from npg-dpdk-project-yinanwang-1.sh.intel.com ([10.67.110.176]) by orsmga008.jf.intel.com with ESMTP; 22 Apr 2019 18:36:37 -0700 From: Yinan To: dts@dpdk.org Cc: Wang Yinan Date: Mon, 22 Apr 2019 18:34:13 +0000 Message-Id: <20190422183413.32454-1-yinan.wang@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [dts] [PATCH v1] test_plans/virtio_event_idx_interrupt: add test plan for virtio event idx interrupt test X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 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 Sender: "dts" From: Wang Yinan Signed-off-by: Wang Yinan --- .../virtio_event_idx_interrupt_test_plan.rst | 152 ++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 test_plans/virtio_event_idx_interrupt_test_plan.rst diff --git a/test_plans/virtio_event_idx_interrupt_test_plan.rst b/test_plans/virtio_event_idx_interrupt_test_plan.rst new file mode 100644 index 0000000..e51d808 --- /dev/null +++ b/test_plans/virtio_event_idx_interrupt_test_plan.rst @@ -0,0 +1,152 @@ +.. Copyright (c) <2019>, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +========================================= +virtio event idx interrupt mode test plan +========================================= + +Description +=========== + +This feature is to suppress interrupts for performance improvement, need compare interrupt times with and without +virtio event idx enabled. Also need cover driver reload and live migration test. + +Test flow +========= + +TG --> NIC --> Vhost-user --> Virtio-net + +Test Case 1: compare interrupt times with and without virtio event idx enabled +============================================================================== + +1. Bind one nic port to igb_uio, then launch the vhost sample by below commands:: + + rm -rf vhost-net* + ./testpmd -c 0xF0000000 -n 4 --socket-mem 2048,2048 --legacy-mem --file-prefix=vhost --vdev 'net_vhost,iface=vhost-net,queues=1' -- -i + --nb-cores=1 --txd=1024 --rxd=1024 + testpmd>start + +2. Launch VM:: + + taskset -c 32-33 \ + qemu-system-x86_64 -name us-vhost-vm1 \ + -cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \ + -smp cores=2,sockets=1 -drive file=/home/osimg/ubuntu16.img \ + -monitor unix:/tmp/vm2_monitor.sock,server,nowait -net nic,vlan=2,macaddr=00:00:00:08:e8:aa,addr=1f -net user,vlan=2,hostfwd=tcp:127.0.0.1:6004-:22 \ + -chardev socket,id=char0,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \ + -device virtio-net-pci,mac=52:54:00:00:00:01,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \ + -vnc :12 -daemonize + +3. On VM1, set virtio device IP:: + + ifconfig [ens3] 1.1.1.2 # [ens3] is the name of virtio-net + +4. Send 10M packets from packet generator to nic, check virtio-net interrupt times by below cmd in VM:: + + cat /proc/interrupts + +5. Disable virtio event idx feature and rerun step1 ~ step4. + +6. Compare interrupt times between virtio event_idx enabled and virtio event_idx disabled. + +Test Case 2: virtio-pci driver reload test +========================================== + +1. Bind one nic port to igb_uio, then launch the vhost sample by below commands:: + + rm -rf vhost-net* + ./testpmd -c 0xF0000000 -n 4 --socket-mem 2048,2048 --legacy-mem --file-prefix=vhost --vdev 'net_vhost,iface=vhost-net,queues=1' -- -i --nb-cores=1 --txd=1024 --rxd=1024 + testpmd>start + +2. Launch VM:: + + taskset -c 32-33 \ + qemu-system-x86_64 -name us-vhost-vm1 \ + -cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \ + -smp cores=2,sockets=1 -drive file=/home/osimg/ubuntu16.img \ + -monitor unix:/tmp/vm2_monitor.sock,server,nowait -net nic,vlan=2,macaddr=00:00:00:08:e8:aa,addr=1f -net user,vlan=2,hostfwd=tcp:127.0.0.1:6004-:22 \ + -chardev socket,id=char0,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \ + -device virtio-net-pci,mac=52:54:00:00:00:01,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \ + -vnc :12 -daemonize + +3. On VM1, set virtio device IP, send 10M packets from packet generator to nic then check virtio device can receive packets:: + + ifconfig [ens3] 1.1.1.2 # [ens3] is the name of virtio-net + tcpdump -i [ens3] + +4. Reload virtio-net driver by below cmds:: + + ifconfig [ens3] down + ./dpdk-devbind.py -u [00:03.0] # [00:03.0] is the pci addr of virtio-net + ./dpdk-devbind.py -b virtio-pci [00:03.0] + +5. Check virtio device can receive packets again:: + + ifconfig [ens3] 1.1.1.2 + tcpdump -i [ens3] + +6. Rerun step4 and step5 100 times to check event idx workable after driver reload. + +Test Case 3: wake up virtio-net cores with event idx interrupt mode 16 queues test +================================================================================== + +1. Bind one nic port to igb_uio, then launch the vhost sample by below commands:: + + rm -rf vhost-net* + ./testpmd -l 1-17 -n 4 --socket-mem 2048,2048 --legacy-mem --file-prefix=vhost --vdev 'net_vhost,iface=vhost-net,queues=16' -- -i --nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16 + testpmd>start + +2. Launch VM:: + + taskset -c 32-33 \ + qemu-system-x86_64 -name us-vhost-vm1 \ + -cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \ + -smp cores=16,sockets=1 -drive file=/home/osimg/ubuntu16.img \ + -monitor unix:/tmp/vm2_monitor.sock,server,nowait -net nic,vlan=2,macaddr=00:00:00:08:e8:aa,addr=1f -net user,vlan=2,hostfwd=tcp:127.0.0.1:6004-:22 \ + -chardev socket,id=char0,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce,queues=16 \ + -device virtio-net-pci,mac=52:54:00:00:00:01,netdev=mynet1,mrg_rxbuf=on,mq=on,vectors=40,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \ + -vnc :12 -daemonize + +3. On VM1, give virtio device ip addr and enable vitio-net with 16 quques:: + + ifconfig [ens3] 1.1.1.2 # [ens3] is the name of virtio-net + ethtool -L [ens3] combined 16 + +4. Send 10M different ip addr packets from packet generator to nic, check virtio-net interrupt times by below cmd in VM:: + + cat /proc/interrupts + +5. After two hours stress test, stop and restart testpmd, check each queue has new packets coming:: + + testpmd>stop + testpmd>start + testpmd>stop -- 2.17.1