[dts] [PATCH v1] test_plans: add test plan for pvp virtio_user 4k pages test

[Yinan <yinan.wang@intel.com>]

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From: Wang Yinan <yinan.wang@intel.com>

Signed-off-by: Wang Yinan <yinan.wang@intel.com>
---
 .../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
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@@ -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:
+
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+     notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
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+     distribution.
+
+   - Neither the name of Intel Corporation nor the names of its
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+     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,
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+   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
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