[dts] [PATCH v1] test_plans: add test plan for dpdk hugetlbfs mount size test
Tu, Lijuan
lijuan.tu at intel.com
Wed Jul 10 08:17:01 CEST 2019
Applied, thanks
> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Yinan
> Sent: Friday, June 28, 2019 3:50 AM
> To: dts at dpdk.org
> Cc: Wang, Yinan <yinan.wang at intel.com>
> Subject: [dts] [PATCH v1] test_plans: add test plan for dpdk hugetlbfs mount
> size test
>
> From: Wang Yinan <yinan.wang at intel.com>
>
> Signed-off-by: Wang Yinan <yinan.wang at intel.com>
> ---
> .../dpdk_hugetlbfs_mount_size_test_plan.rst | 129 ++++++++++++++++++
> 1 file changed, 129 insertions(+)
> create mode 100644 test_plans/dpdk_hugetlbfs_mount_size_test_plan.rst
>
> diff --git a/test_plans/dpdk_hugetlbfs_mount_size_test_plan.rst
> b/test_plans/dpdk_hugetlbfs_mount_size_test_plan.rst
> new file mode 100644
> index 0000000..6d0eb88
> --- /dev/null
> +++ b/test_plans/dpdk_hugetlbfs_mount_size_test_plan.rst
> @@ -0,0 +1,129 @@
> +.. Copyright (c) <2016>, 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.
> +
> +===========================================
> +DPDK Hugetlbfs Mount Size Feature Test Plan
> +===========================================
> +
> +This feature is to limit DPDK to use the exact size which is the mounted
> hugepage size.
> +
> +Prerequisites
> +=============
> +
> +To test this feature, following options need to pass the the kernel:
> +hugepagesz=1G hugepages=8 default_hugepagesz=1G
> +
> +Test Case 1: default hugepage size w/ and w/o numa
> +==================================================
> +
> +1. Create and mount hugepages::
> +
> + mount -t hugetlbfs hugetlbfs /mnt/huge
> +
> +2. Bind one nic port to igb_uio driver, launch testpmd::
> +
> + ./testpmd -c 0x3 -n 4 --huge-dir /mnt/huge --file-prefix=abc -- -i
> + testpmd>start
> +
> +3. Send packet with packet generator, check testpmd could forward packets
> correctly.
> +
> +4. Goto step 2 resart testpmd with numa support::
> +
> + ./testpmd -c 0x3 -n 4 --huge-dir /mnt/huge --file-prefix=abc -- -i --numa
> + testpmd>start
> +
> +5. Send packets with packet generator, make sure testpmd could receive
> and fwd packets correctly.
> +
> +Test Case 2: mount size exactly match total hugepage size with two
> +mount points
> +===============================================================
> ========
> +========
> +
> +1. Create and mount hugepages::
> +
> + mount -t hugetlbfs -o size=4G hugetlbfs /mnt/huge1
> + mount -t hugetlbfs -o size=4G hugetlbfs /mnt/huge2
> +
> +2. Bind two nic ports to igb_uio driver, launch testpmd with numactl::
> +
> + numactl --membind=1 ./testpmd -l 31-32 -n 4 --legacy-mem --socket-mem
> 0,2048 --huge-dir /mnt/huge1 --file-prefix=abc -w 82:00.0 -- -i --socket-num=1
> --no-numa
> + testpmd>start
> +
> + numactl --membind=1 ./testpmd -l 33-34 -n 4 --legacy-mem --socket-mem
> 0,2048 --huge-dir /mnt/huge2 --file-prefix=bcd -w 82:00.1 -- -i --socket-
> num=1 --no-numa
> + testpmd>start
> +
> +3. Send packets with packet generator, make sure two testpmd could
> receive and fwd packets correctly.
> +
> +Test Case 3: mount size greater than total hugepage size with single
> +mount point
> +===============================================================
> ========
> +=========
> +
> +1. Create and mount hugepage::
> +
> + mount -t hugetlbfs -o size=9G hugetlbfs /mnt/huge
> +
> +2. Bind one nic port to igb_uio driver, launch testpmd::
> +
> + ./testpmd -c 0x3 -n 4 --legacy-mem --huge-dir /mnt/huge --file-prefix=abc
> -- -i
> + testpmd>start
> +
> +3. Send packets with packet generator, make sure testpmd could receive
> and fwd packets correctly.
> +
> +Test Case 4: mount size greater than total hugepage size with multiple
> +mount points
> +===============================================================
> ========
> +============
> +
> +1. Create and mount hugepage::
> +
> + mount -t hugetlbfs -o size=4G hugetlbfs /mnt/huge1
> + mount -t hugetlbfs -o size=4G hugetlbfs /mnt/huge2
> + mount -t hugetlbfs -o size=1G hugetlbfs /mnt/huge3
> +
> +2. Bind one nic port to igb_uio driver, launch testpmd::
> +
> + numactl --membind=0 ./testpmd -c 0x3 -n 4 --legacy-mem --socket-mem
> 2048,0 --huge-dir /mnt/huge1 --file-prefix=abc -- -i --socket-num=0 --no-numa
> + testpmd>start
> +
> + numactl --membind=0 ./testpmd -c 0xc -n 4 --legacy-mem --socket-mem
> 2048,0 --huge-dir /mnt/huge2 --file-prefix=bcd -- -i --socket-num=0 --no-numa
> + testpmd>start
> +
> + numactl --membind=0 ./testpmd -c 0x30 -n 4 --legacy-mem --socket-mem
> 1024,0 --huge-dir /mnt/huge3 --file-prefix=fgh -- -i --socket-num=0 --no-numa
> + testpmd>start
> +
> +3. Send packets with packet generator, check first and second testpmd will
> start correctly while third one will report error with not enough mem in
> socket 0.
> +
> +Test Case 5: run dpdk app in limited hugepages controlled by cgroup
> +===============================================================
> ====
> +
> +1. Bind one nic port to igb_uio driver, launch testpmd in limited hugepages::
> +
> + cgcreate -g hugetlb:/test-subgroup
> + cgset -r hugetlb.1GB.limit_in_bytes=2147483648 test-subgroup
> + cgexec -g hugetlb:test-subgroup numactl -m 1 ./testpmd -c 0x3000 -n
> + 4 -- -i --socket-num=1 --no-numa
> +
> +2. Start testpmd and send packets with packet generator, make sure
> testpmd could receive and fwd packets correctly.
> --
> 2.17.1
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