Send only plain text to the list please. > On Jul 21, 2017, at 8:49 PM, Paul Tsvika <[email protected]> wrote: > > Thanks Keith. > > Let me post my questions again and inline the text. > > --------------------------------------------------------------------------------------------------------------- > > Hi developers, > > Below is my hardware configuration: > > Memory: 32G ( 16 G on two channels ) > CPU: Xeon-D 1557 > NIC: Intel X552/X557 10GBASE-T > > CPU layout: ( Graph generated from cpu_layout.py ) > > Core and Socket Information (as reported by '/proc/cpuinfo') > ============================================================ > > cores = [0, 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13] > sockets = [0] > > Socket 0 > -------- > Core 0 [0, 12] > Core 1 [1, 13] > Core 2 [2, 14] > Core 3 [3, 15] > Core 4 [4, 16] > Core 5 [5, 17] > Core 8 [6, 18] > Core 9 [7, 19] > Core 10 [8, 20] > Core 11 [9, 21] > Core 12 [10, 22] > Core 13 [11, 23] > ============================================================= > > My motherboard has 2 10G ports so that I set up the testing experiment in > loopback. > > I have compiled DPDK successfully and below is the steps how I configured > pktgen > > $ sudo modprobe uio > $ sudo insmod ./build/kmod/igb_uio.ko > $ sudo ./usertools/dpdkdevbind.py -b igb_uio xxx:xx.0 xxx:xx.1 > $ sudo ./app/pktgen -c 0x1f -n 2 -- -P -m "[1:3].0, [2:4].1" > <pktgen> start 0 > > I use core 1 and core 3 work for port 0 tx/rx respectively. Core 2 and core 4 > work for port 1 tx/rx respectively. > > I have some questions listed below: > > 1. > > I checked other developers who run pktgen successfully should get the TX/RX > rate almost the same and the value should hit 10000 or 99xx. > I have not figured out yet why the rate went down when I run pktgen. > > Flags:Port : P--------------:0 P--------------:1 > 10318718/0 > Link State : <UP-10000-FD> <UP-10000-FD> > ----TotalRate---- > Pkts/s Max/Rx : 0/0 10318848/8096382 > 10318848/8096382 > Max/Tx : 14880683/11528400 0/0 > 14880683/11528400 > MBits/s Rx/Tx : 0/7747 5440/0 > 5440/7747 > Broadcast : 0 0 > Multicast : 0 0 > 64 Bytes : 0 4603033247 > 65-127 : 0 0 > 128-255 : 0 0 > 256-511 : 0 0 > 512-1023 : 0 0 > 1024-1518 : 0 0 > Runts/Jumbos : 0/0 0/0 > Errors Rx/Tx : 0/0 0/0 > Total Rx Pkts : 0 4596736394 > Tx Pkts : 6588970508 0 > Rx MBs : 0 3089006 > Tx MBs : 4427788 0 > ARP/ICMP Pkts : 0/0 0/0 > Tx Count/% Rate : Forever /100% Forever /100% > Pattern Type : abcd... abcd... > Tx Count/% Rate : Forever /100% Forever /100% > PktSize/Tx Burst : 64 / 32 64 / 32 > ------------------- > Src/Dest Port : 1234 / 5678 1234 / 5678s > Pkt Type:VLAN ID : IPv4 / TCP:0001 IPv4 / TCP:0001 > Dst IP Address : 192.168.1.1 192.168.0.1 > Src IP Address : 192.168.0.1/24 192.168.1.1/24 > ------------------- > Dst MAC Address : 0c:c4:7a:c5:43:7b 0c:c4:7a:c5:43:7a > -- Pktgen Ver: 3.3: 8086:15ad/03:00.0 8086:15ad/03:00.1 > ------------------- > > > 2.1 > > My start_log below: > > Copyright (c) <2010-2017>, Intel Corporation. All rights reserved. > Pktgen created by: Keith Wiles -- >>> Powered by Intel® DPDK <<< > > >>> Packet Burst 32, RX Desc 512, TX Desc 1024, mbufs/port 8192, mbuf cache > >>> 1024 > [PT]: looks like packet size is 32, should it suppose to be 64? Can I > configure it?
32 is the number of packets in a burst > Also, why RX Desc and TX Desc is not the same ? > > === port to lcore mapping table (# lcores 5) === > lcore: 0 1 2 3 4 Total > port 0: ( D: T) ( 1: 0) ( 0: 0) ( 0: 1) ( 0: 0) = ( 1: 1) > port 1: ( D: T) ( 0: 0) ( 1: 0) ( 0: 0) ( 0: 1) = ( 1: 1) > Total : ( 0: 0) ( 1: 0) ( 1: 0) ( 0: 1) ( 0: 1) > Display and Timer on lcore 0, rx:tx counts per port/lcore > > Configuring 2 ports, MBUF Size 2176, MBUF Cache Size 1024 > Lcore: > 1, RX-Only > RX_cnt( 1): (pid= 0:qid= 0) > 2, RX-Only > RX_cnt( 1): (pid= 1:qid= 0) > 3, TX-Only > TX_cnt( 1): (pid= 0:qid= 0) > 4, TX-Only > TX_cnt( 1): (pid= 1:qid= 0) > > Port : > 0, nb_lcores 2, private 0x986ec0, lcores: 1 3 > 1, nb_lcores 2, private 0x989220, lcores: 2 4 > > > > ** Default Info (0000:03:00.0, if_index:0) ** > max_vfs : 0, min_rx_bufsize :1024, max_rx_pktlen : 15872 > max_rx_queues : 128, max_tx_queues : 64 > max_mac_addrs : 128, max_hash_mac_addrs:4096, max_vmdq_pools: 64 > rx_offload_capa: 79, tx_offload_capa : 191, reta_size : 512, > flow_type_rss_offloads:0000000000038d34 > vmdq_queue_base: 0, vmdq_queue_num : 128, vmdq_pool_base: 0 > ** RX Conf ** > pthresh : 8, hthresh : 8, wthresh : 0 > Free Thresh : 32, Drop Enable : 0, Deferred Start : 0 > ** TX Conf ** > pthresh : 32, hthresh : 0, wthresh : 0 > Free Thresh : 32, RS Thresh : 32, Deferred Start : 0, TXQ > Flags:00000f01 > > Create: Default RX 0:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Set RX queue stats mapping pid 0, q 0, lcore 1 > > > Create: Default TX 0:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Range TX 0:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Sequence TX 0:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Special TX 0:0 - Memory used (MBUFs 64 x (size 2176 + Hdr > 128)) + 192 = 145 KB headroom 128 2176 > > Port > memory used = 73873 KB > Initialize Port 0 -- TxQ 1, RxQ 1, Src MAC 0c:c4:7a:c5:43:7a > > ** Default Info (0000:03:00.1, if_index:0) ** > max_vfs : 0, min_rx_bufsize :1024, max_rx_pktlen : 15872 > max_rx_queues : 128, max_tx_queues : 64 > max_mac_addrs : 128, max_hash_mac_addrs:4096, max_vmdq_pools: 64 > rx_offload_capa: 79, tx_offload_capa : 191, reta_size : 512, > flow_type_rss_offloads:0000000000038d34 > vmdq_queue_base: 0, vmdq_queue_num : 128, vmdq_pool_base: 0 > ** RX Conf ** > pthresh : 8, hthresh : 8, wthresh : 0 > Free Thresh : 32, Drop Enable : 0, Deferred Start : 0 > ** TX Conf ** > pthresh : 32, hthresh : 0, wthresh : 0 > Free Thresh : 32, RS Thresh : 32, Deferred Start : 0, TXQ > Flags:00000f01 > > Create: Default RX 1:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Set RX queue stats mapping pid 1, q 0, lcore 2 > > > Create: Default TX 1:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Range TX 1:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Sequence TX 1:0 - Memory used (MBUFs 8192 x (size 2176 + Hdr > 128)) + 192 = 18433 KB headroom 128 2176 > Create: Special TX 1:0 - Memory used (MBUFs 64 x (size 2176 + Hdr > 128)) + 192 = 145 KB headroom 128 2176 > > Port > memory used = 73873 KB > Initialize Port 1 -- TxQ 1, RxQ 1, Src MAC 0c:c4:7a:c5:43:7b > Total > memory used = 147746 KB > Port 0: Link Down <Enable promiscuous mode> > [PT]: I don't know why the Port ) went down at this point. Is there any other > thing I should check ? > > Port 1: Link Up - speed 10000 Mbps - full-duplex <Enable promiscuous mode> > > pktgen_packet_capture_init: mz->len 4194304 > > === Display processing on lcore 0 > RX processing lcore: 1 rx: 1 tx: 0 > For RX found 1 port(s) for lcore 1 > RX processing lcore: 2 rx: 1 tx: 0 > For RX found 1 port(s) for lcore 2 > TX processing lcore: 3 rx: 0 tx: 1 > For TX found 1 port(s) for lcore 3 > TX processing lcore: 4 rx: 0 tx: 1 > For TX found 1 port(s) for lcore 4 > > > > > > Thanks for any feedback. > > > -- > P.T Regards, Keith
