Re: [dts] [PATCH]test_plans: add new cases to af_xdp_test_plan

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

Applied, thanks

> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Peng Yuan
> Sent: Tuesday, July 23, 2019 1:52 PM
> To: dts@dpdk.org
> Cc: Peng, Yuan <yuan.peng@intel.com>
> Subject: [dts] [PATCH]test_plans: add new cases to af_xdp_test_plan
> 
> Add five cases to af_xdp_test_plan.rst covering zero copy, multiqueue and
> need_wakeup
> 
> Signed-off-by: Peng Yuan <yuan.peng@intel.com>
> 
> diff --git a/test_plans/af_xdp_test_plan.rst
> b/test_plans/af_xdp_test_plan.rst index 4576fef..d12ef0c 100644
> --- a/test_plans/af_xdp_test_plan.rst
> +++ b/test_plans/af_xdp_test_plan.rst
> @@ -51,7 +51,7 @@ Prerequisites
> 
>  2. The NIC is located on the socket 1, so we define the cores of socket 1.
> 
> -3. Take the kernel >= v5.1-rc1, build kernel and replace your host
> +3. Take the kernel >= v5.2-rc2, build kernel and replace your host
>     kernel with it.
>     Update compiler to the proper version.
>     Make sure you turn on XDP sockets when compiling::
> @@ -60,59 +60,239 @@ Prerequisites
>           Networking options -->
>                   [ * ] XDP sockets
> 
> +   Then compile the kernel::
> +
> +    make -j16
> +    make modules_install install
> +
>  4. Build libbpf in tools/lib/bpf::
> 
>      cd tools/lib/bpf
> -    make
> +    make install_lib prefix=/usr
> +    make install_headers prefix=/usr
> +
> +5. Explicitly enable AF_XDP pmd by adding below line to
> +   config/common_linux::
> +
> +    CONFIG_RTE_LIBRTE_PMD_AF_XDP=y
> 
> -   Then copy the libbpf.a and libbpf.so to /usr/lib64
> +   Then build DPDK.
> 
> -5. Set DUT port only has one queue::
> +6. Set DUT port only has one queue::
> 
>      ethtool -L enp216s0f0 combined 1
>      ethtool -L enp216s0f1 combined 1
> 
> -6. Explicitly enable AF_XDP pmd by adding below line to
> -   config/common_linux::
> +Test case 1: single port
> +========================
> 
> -    CONFIG_RTE_LIBRTE_PMD_AF_XDP=y
> +1. Start the testpmd::
> +
> +    ./testpmd -l 29,30 -n 6 --no-pci --vdev net_af_xdp0,iface=enp216s0f0 \
> +    -- -i --nb-cores=1 --rxq=1 --txq=1 --port-topology=loop
> +
> +2. Assign the kernel core::
> +
> +    ./set_irq_affinity 34 enp216s0f0
> +
> +3. Send packets by packet generator with different packet size,
> +   from 64 bytes to 1518 bytes, check the throughput.
> 
> -Test case 1: 1 port, 1 kernel core, 1 user core -
> ===============================================
> +Test case 2: two ports
> +======================
> 
>  1. Start the testpmd::
> 
> -    ./x86_64-native-linuxapp-gcc/app/testpmd -l 30,31 --no-pci -n 6 \
> -    --vdev net_af_xdp0,iface=enp216s0f0,queue=0 --file-prefix=port0 \
> -    --socket-mem 1024,1024 -- -a --nb-cores=1 -i --rxq=1 --txq=1 \
> -    --port-topology=loop
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 29,30-31 --no-pci -n 6 \
> +    --vdev net_af_xdp0,iface=enp216s0f0 --vdev
> net_af_xdp1,iface=enp216s0f1 \
> +    -- -i --nb-cores=2 --rxq=1 --txq=1
> 
>  2. Assign the kernel core::
> 
>      ./set_irq_affinity 33 enp216s0f0
> +    ./set_irq_affinity 34 enp216s0f1
> 
> -3. Send packet with packet generator with different packet size,
> -   from 64 bytes to 1518 bytes, check the throughput.
> +3. Send packets by packet generator port0 with different packet size,
> +   from 64 bytes to 1518 bytes, check the throughput at port1.
> 
> -Test case 2: 2 ports, 2 kernel cores, 2 user cores -
> ==================================================
> +4. Send packets by packet generator port0 and port1 with different packet
> size,
> +   from 64 bytes to 1518 bytes, check the throughput at port0 and port1.
> 
> -1. Start the testpmd::
> +Test case 3: zero copy
> +======================
> 
> -    ./x86_64-native-linuxapp-gcc/app/testpmd -l 30,32 --no-pci -n 6 \
> -    --vdev net_af_xdp0,iface=enp216s0f0,queue=0 --file-prefix=port0 \
> -    --socket-mem 1024,1024 -- -a  --nb-cores=1 -i --rxq=1 --txq=1 \
> -    --port-topology=loop
> +1. Start the testpmd::
> 
> -    ./x86_64-native-linuxapp-gcc/app/testpmd -l 31,33 --no-pci -n 6 \
> -    --vdev net_af_xdp1,iface=enp216s0f1,queue=0 --file-prefix=port1 \
> -    --socket-mem 1024,1024 -- -a --nb-cores=1 -i --rxq=1 --txq=1 \
> -    --port-topology=loop
> +    ./testpmd -l 29,30 -n 6 --no-pci \
> +    --vdev net_af_xdp0,iface=enp216s0f0,pmd_zero_copy=1 \
> +    -- -i --nb-cores=1 --rxq=1 --txq=1 --port-topology=loop
> 
>  2. Assign the kernel core::
> 
> -    ./set_irq_affinity 35 enp216s0f0
> -    ./set_irq_affinity 36 enp216s0f1
> +    ./set_irq_affinity 34 enp216s0f0
> 
> -3. Send packet with packet generator with different packet size,
> +3. Send packets by packet generator with different packet size,
>     from 64 bytes to 1518 bytes, check the throughput.
> +
> +Test case 4: multiqueue
> +=======================
> +
> +1. One queue.
> +
> +   1) Start the testpmd with one queue::
> +
> +    ./testpmd -l 29,30 -n 6 --no-pci \
> +    --vdev net_af_xdp0,iface=enp216s0f0,start_queue=0,queue_count=1 \
> +    -- -i --nb-cores=1 --rxq=1 --txq=1 --port-topology=loop
> +
> +   2) Assign the kernel core::
> +
> +    ./set_irq_affinity 34 enp216s0f0
> +
> +   3) Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +
> +2. Four queues.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 4
> +
> +   2）Start the testpmd with four queues::
> +
> +    ./testpmd -l 29,30-33 -n 6 --no-pci \
> +    --vdev net_af_xdp0,iface=enp216s0f0,start_queue=0,queue_count=4 \
> +    -- -i --nb-cores=4 --rxq=4 --txq=4 --port-topology=loop
> +
> +   3）Assign the kernel core::
> +
> +    ./set_irq_affinity 34-37 enp216s0f0
> +
> +   4）Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +      The packets were distributed to the four queues.
> +
> +Test case 5: multiqueue and zero copy
> +=====================================
> +
> +1. One queue and zero copy.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 1
> +
> +   2) Start the testpmd with one queue::
> +
> +    ./testpmd -l 29,30 -n 6 --no-pci \
> +    --vdev
> net_af_xdp0,iface=enp216s0f0,start_queue=0,queue_count=1,pmd_zero_co
> py=1 \
> +    -- -i --nb-cores=1 --rxq=1 --txq=1 --port-topology=loop
> +
> +   3) Assign the kernel core::
> +
> +    ./set_irq_affinity 34 enp216s0f0
> +
> +   4) Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +      Expect the performance is better than non-zero-copy.
> +
> +2. Four queues and zero copy.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 4
> +
> +   2) Start the testpmd with four queues::
> +
> +    ./testpmd -l 29,30-33 -n 6 --no-pci \
> +    --vdev
> net_af_xdp0,iface=enp216s0f0,start_queue=0,queue_count=4,pmd_zero_co
> py=1 \
> +    -- -i --nb-cores=4 --rxq=4 --txq=4 --port-topology=loop
> +
> +   3) Assign the kernel core::
> +
> +    ./set_irq_affinity 34-37 enp216s0f0
> +
> +   4) Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +      The packets were distributed to the four queues.
> +      Expect the performance of four queues is better than one queue.
> +      Expect the performance is better than non-zero-copy.
> +
> +Test case 6: need_wakeup
> +========================
> +
> +1. Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 1
> +
> +2. Start the testpmd with one queue::
> +
> +    ./testpmd -l 29,30 -n 6 --no-pci --vdev net_af_xdp0,iface=enp216s0f0 \
> +    -- -i --nb-cores=1 --rxq=1 --txq=1 --port-topology=loop
> +
> +3. Assign the same core::
> +
> +    ./set_irq_affinity 30 enp216s0f0
> +
> +4. Send packets by packet generator with different packet size from 64
> bytes
> +   to 1518 bytes, check the throughput.
> +   Expect the performance is better than no need_wakeup.
> +
> +Test case 7: xdpsock sample performance
> +=======================================
> +
> +1. One queue.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 1
> +
> +   2) Start the xdp socket with one queue::
> +
> +    #taskset -c 30 ./xdpsock -l -i enp216s0f0
> +
> +   3) Assign the kernel core::
> +
> +    ./set_irq_affinity 34 enp216s0f0
> +
> +   4) Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +
> +2. Four queues.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 4
> +
> +   2) Start the xdp socket with four queues::
> +
> +    #taskset -c 30 ./xdpsock -l -i enp216s0f0 -q 0
> +    #taskset -c 31 ./xdpsock -l -i enp216s0f0 -q 1
> +    #taskset -c 32 ./xdpsock -l -i enp216s0f0 -q 2
> +    #taskset -c 33 ./xdpsock -l -i enp216s0f0 -q 3
> +
> +   3）Assign the kernel core::
> +
> +    ./set_irq_affinity 34-37 enp216s0f0
> +
> +   4）Send packets with different dst IP address by packet generator
> +      with different packet size from 64 bytes to 1518 bytes, check the
> throughput.
> +      The packets were distributed to the four queues.
> +      Expect the performance of four queues is better than one queue.
> +
> +3. Need_wakeup.
> +
> +   1) Set hardware queue::
> +
> +    ethtool -L enp216s0f0 combined 1
> +
> +   2) Start the xdp socket with four queues::
> +
> +    #taskset -c 30 ./xdpsock -l -i enp216s0f0
> +
> +   3）Assign the kernel core::
> +
> +    ./set_irq_affinity 30 enp216s0f0
> +
> +   4) Send packets by packet generator with different packet size from 64
> bytes
> +      to 1518 bytes, check the throughput.
> +      Expect the performance is better than no need_wakeup.
> --
> 2.14.3