From: Wang Yinan Signed-off-by: Wang Yinan --- .../pvp_virtio_user_4k_pages_test_plan.rst | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 test_plans/pvp_virtio_user_4k_pages_test_plan.rst diff --git a/test_plans/pvp_virtio_user_4k_pages_test_plan.rst b/test_plans/pvp_virtio_user_4k_pages_test_plan.rst new file mode 100644 index 0000000..a7ba2a0 --- /dev/null +++ b/test_plans/pvp_virtio_user_4k_pages_test_plan.rst @@ -0,0 +1,67 @@ +.. 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. + +============================================= +vhost/virtio-user pvp with 4K-pages test plan +============================================= + +Dpdk 19.02 add support for using virtio-user without hugepages. The --no-huge mode was augmented to use memfd-backed memory (on systems that support memfd), to allow using virtio-user-based NICs without hugepages. + +Prerequisites +------------- +Turn off transparent hugepage in grub by adding GRUB_CMDLINE_LINUX="transparent_hugepage=never" + +Test Case1: Basic test vhost/virtio-user with 4K-pages +====================================================== + +1. Bind one port to vfio-pci, launch vhost:: + + modprobe vfio-pci + ./usertools/dpdk-devbind.py --bind=vfio-pci xx:xx.x + ./testpmd -l 3-4 -n 4 -m 1024 --no-huge --file-prefix=vhost \ + --vdev 'net_vhost0,iface=/tmp/vhost-net,queues=1' -- -i --no-numa --socket-num=0 + testpmd>start + +2. Prepare tmpfs with 4K-pages:: + + mkdir /mnt/tmpfs_yinan + mount tmpfs /mnt/tmpfs_yinan -t tmpfs -o size=4G + +3. Launch virtio-user with 4K-pages:: + + ./testpmd -l 5-6 -n 4 --no-huge -m 1024 --file-prefix=virtio-user \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost-net,queues=1 -- -i + testpmd>start + +4. Send packet with packet generator with different packet size,includes [64, 128, 256, 512, 1024, 1518], check the throughput with below command:: + + testpmd>show port stats all \ No newline at end of file -- 2.17.1