RE: [dts][PATCH V2 1/3]test_plans: add i40e_multi_driver_perf test plan

["Tu, Lijuan" <lijuan.tu@intel.com>]

> -----Original Message-----
> From: Yingya Han <yingyax.han@intel.com>
> Sent: Tuesday, April 4, 2023 11:15 AM
> To: dts@dpdk.org
> Cc: Han, YingyaX <yingyax.han@intel.com>
> Subject: [dts][PATCH V2 1/3]test_plans: add i40e_multi_driver_perf test plan
> 
> Signed-off-by: Yingya Han <yingyax.han@intel.com>
> ---
>  .../i40e_multi_driver_perf_test_plan.rst      | 114 ++++++++++++++++++
>  test_plans/index.rst                          |   1 +
>  2 files changed, 115 insertions(+)
>  create mode 100644 test_plans/i40e_multi_driver_perf_test_plan.rst
> 
> diff --git a/test_plans/i40e_multi_driver_perf_test_plan.rst
> b/test_plans/i40e_multi_driver_perf_test_plan.rst
> new file mode 100644
> index 00000000..f6cdc560
> --- /dev/null
> +++ b/test_plans/i40e_multi_driver_perf_test_plan.rst
> @@ -0,0 +1,114 @@
> +.. SPDX-License-Identifier: BSD-3-Clause
> +   Copyright(c) 2023 Intel Corporation
> +
> +================================================================
> +Benchmark the performance of pf multi driver forwarding with FVL
> +================================================================

FVL is not qualified to use, please use 710 series instead.
> +
> +Description
> +===========
> +
> +The feature reduce the ITR interval of multi-driver mode in driver i40e.
> +Set the multi-driver mode in driver i40e, the perf will no drop compare
> +with no multi-driver mode.
> +
> +Prerequisites
> +=============
> +
> +1. Hardware:
> +
> +   I40e: XXV710-DA2

Not only XXV710-DA2, also other 710 series 


> +
> +2. Software::
> +
> +    dpdk: git clone http://dpdk.org/git/dpdk
> +    trex: git clone http://trex-tgn.cisco.com/trex/release/v2.93.tar.gz
> +
> +
> +Test Case
> +=========
> +The test case check the throughput result with ipv4, in the case, we
> +will send the bi-direction flows with line rate, then we can check the
> +passthrough rate.
> +
> +Common Steps
> +------------
> +
> +1. Bind tested ports to vfio-pci::
> +
> +    <dpdk_dir>#./usertools/dpdk-devbind.py -s
> +    0000:b1:00.0 'Ethernet Controller XXV710 for 25GbE SFP28 158b' if=ens21f0
> drv=i40e unused=vfio-pci
> +    0000:ca:00.0 'Ethernet Controller XXV710 for 25GbE SFP28 158b' if=ens25f0
> drv=i40e unused=vfio-pci
> +    <dpdk_dir>#./usertools/dpdk-devbind.py -b vfio-pci <pci device id>
> +    <dpdk_dir>#./usertools/dpdk-devbind.py -b vfio-pci 0000:b1:00.0
> +    <dpdk_dir>#./usertools/dpdk-devbind.py -b vfio-pci 0000:ca:00.0
> +
> +2. Configure traffic generator to send traffic
> +
> +    Test flow MAC table.
> +
> +    +------+---------+------------+----------------+
> +    | Flow | Traffic | MAC        | MAC            |
> +    |      | Gen.    | Src.       | Dst.           |
> +    |      | Port    | Address    | Address        |
> +    +======+=========+============+================+
> +    |   1  |   TG0   | Random MAC | 11:22:33:44:55 |
> +    +------+---------+------------+----------------+
> +    |   2  |   TG1   | Random Mac | 11:22:33:44:55 |
> +    +------+---------+------------+----------------+
> +    |   3  |   TG2   | Random Mac | 11:22:33:44:55 |
> +    +------+---------+------------+----------------+
> +    |   4  |   TG3   | Random Mac | 11:22:33:44:55 |
> +    +------+---------+------------+----------------+

2 dut ports, but 4 TG ? I am confused.

> +
> +    The Flow IP table.
> +
> +    +------+---------+------------+---------+
> +    | Flow | Traffic | IPV4       | IPV4    |
> +    |      | Gen.    | Src.       | Dest.   |
> +    |      | Port    | Address    | Address |
> +    +======+=========+============+=========+
> +    |   1  |   TG0   | Any IP     | 2.1.1.1 |
> +    +------+---------+------------+---------+
> +    |   2  |   TG1   | Any IP     | 1.1.1.1 |
> +    +------+---------+------------+---------+
> +    |   3  |   TG2   | Any IP     | 4.1.1.1 |
> +    +------+---------+------------+---------+
> +    |   4  |   TG3   | Any IP     | 3.1.1.1 |
> +    +------+---------+------------+---------+
> +
> +    Set the packet length : 64 bytes-1518 bytes
> +    The IPV4 Dest Address increase with the num 1024.
> +
> +3. Test results table.
> +
> +    +-----------+------------+-------------+---------+
> +    |  Fwd_core | Frame Size |  Throughput |   Rate  |
> +    +===========+============+=============+=========+
> +    |  1C/1T    |    64      |  xxxxx Mpps |   xxx % |
> +    +-----------+------------+-------------+---------+
> +    |  1C/1T    |   ...      |  xxxxx Mpps |   xxx % |
> +    +-----------+------------+-------------+---------+
> +
> +Test Case 1: test_perf_enable_multi_driver
> +------------------------------------------
> +test steps
> +~~~~~~~~~~
> +1. Bind PF ports to dpdk driver as common step 1::
> +
> +    ./usertools/dpdk-devbind.py -b vfio-pci b1:00.0 ca:00.0
> +
> +2. Start dpdk-testpmd with multi driver::
> +
> +     <build_dir>/app/dpdk-testpmd -l 5,6 -n 8 --force-max-simd-bitwidth=512 \
> +     -a 0000:b1:00.0,support-multi-driver=1 -a 0000:ca:00.0,support-multi-
> driver=1 \
> +     -- -i --portmask=0x3 --rxq=1 --txq=1 --txd=1024 --rxd=1024 --forward=io \
> +     --nb-cores=1
> +
> +    Note:
> +      -force-max-simd-bitwidth: set 512.
> +      support-multi-driver: enable multi driver
> +
> +3. Configure traffic generator to send traffic as common step 2.
> +
> +4. Record Test results as common step 3.
> diff --git a/test_plans/index.rst b/test_plans/index.rst index d65bf0e5..5ac86fb7
> 100644
> --- a/test_plans/index.rst
> +++ b/test_plans/index.rst
> @@ -75,6 +75,7 @@ The following are the test plans for the DPDK DTS
> automated test system.
>      firmware_version_test_plan
>      floating_veb_test_plan
>      i40e_rss_input_test_plan
> +    i40e_multi_driver_perf_test_plan
>      generic_flow_api_test_plan
>      hotplug_mp_test_plan
>      hotplug_test_plan
> --
> 2.34.1