Hi Yifan, Try information from this thread.
Thanks, Daniel Benli Ye > Begin forwarded message: > > From: benli ye <[email protected]> > Subject: Re: net/mlx5 statistics related > Date: August 5, 2019 at 10:30:41 AM GMT+8 > To: Yongseok Koh <[email protected]> > Cc: "[email protected]" <[email protected]>, Ori Kam <[email protected]>, Dekel > Peled <[email protected]>, Slava Ovsiienko <[email protected]>, > Shahaf Shuler <[email protected]> > > Hi Yongseok, > > Thanks for replying. I will have a try. > > Thanks, > Daniel Benli Ye > > >> On Aug 3, 2019, at 5:53 AM, Yongseok Koh <[email protected]> wrote: >> >> 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 >> >
