Hi, Can you try the following patch, which had been added after 18.11.0 I'll try to push it for 18.11.3.
http://git.dpdk.org/dpdk/commit/?id=ce9494d76c478345679abbda2a5606646de9886f Thanks, Yongseok > On Jul 28, 2019, at 2:12 AM, benli ye <[email protected]> wrote: > > Dear Mellanox experts, > > I am running DPDK 18.11.0 performance test with mlx5 PMD driver on device > ConnectX®-4 Lx EN. Our own DPDK app (a Load Balance app) is used and UDP 64 > bytes is generated by tester. > We found that when we generated about 2.6Mpps UDP traffic for 1 core and 2 > port setting testbed, our app starts to drops packets. However, the strange > issue is we cannot see any imissed or error statistics from DPDK layer. > I saw the Mellanox test performance result in > https://fast.dpdk.org/doc/perf/DPDK_18_11_Mellanox_NIC_performance_report.pdf > and how do you find packet lose? Is there a bug in statistic calculation in > DPDK or there is another way to trace packet drop? > Retrieve DPDK statistics is also used for Intel NIC and the behavior is > right. it should not be wrong for our usage in our own app. > > Any suggestions would be welcomed. Thanks very much! > > > Bests, > Daniel Benli Ye
