<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> <div dir="auto">You mention flow2 is with the errors, but also show the performance is good. is this correct?</div> <div dir="auto">Do you mean when you have errors you get perf drop?</div> <div> </div> <div id="ms-outlook-mobile-signature" dir="auto"> <div>Regards,</div> <div dir="auto">Asaf Penso</div> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: bugzilla@dpdk.org <bugzilla@dpdk.org> Sent: Thursday, January 20, 2022 11:01:43 AM To: dev@dpdk.org <dev@dpdk.org> Subject: [Bug 924] Mellanox ConnectX6 DPDK dpdk-testpmd Receive error len error checksum UDP packet performance is very low! <div> </div> </div> <div class="BodyFragment"> <div class="PlainText"><a href="https://bugs.dpdk.org/show_bug.cgi?id=924">https://bugs.dpdk.org/show_bug.cgi?id=924</a> Bug ID: 924 Summary: Mellanox ConnectX6 DPDK dpdk-testpmd Receive error len error checksum UDP packet performance is very low! Product: DPDK Version: 21.11 Hardware: x86 OS: Linux Status: UNCONFIRMED Severity: normal Priority: Normal Component: ethdev Assignee: dev@dpdk.org Reporter: 188989801@qq.com Target Milestone: --- I use Ixia to construct two streams flow1 udp 64size small packet flow2 udp 64size small packet error len error checksum Send per second 30G bps 57 million pps ./dpdk-testpmd -l 4-22 -n 8 -- -i --rxq 19 --txq 19 --nb-cores 18 --rxd 2048 --txd 2048 --portmask 0xff set fwd rxonly start ######################## NIC statistics for port 6 ######################## RX-packets: 178423861761 RX-missed: 646877 RX-bytes: 11419127182586 RX-errors: 0 RX-nombuf: 0 TX-packets: 0 TX-errors: 0 TX-bytes: 0 Throughput (since last show) Rx-pps: 5904277 Rx-bps: 3022990248 Tx-pps: 0 Tx-bps: 0 ############################################################################ Recive per second 3G bps 5 million pps ,Only about one tenth was received rx_discards_phy drop [root@localhost ~]# ethtool -S enp202s0f0 |grep dis rx_discards_phy: 48832790759 tx_discards_phy: 0 rx_prio0_discards: 48832470594 rx_prio1_discards: 0 rx_prio2_discards: 0 rx_prio3_discards: 0 rx_prio4_discards: 0 rx_prio5_discards: 0 rx_prio6_discards: 0 rx_prio7_discards: 0 When I change the flow2 to no problem udp, It's all normal. ######################## NIC statistics for port 6 ######################## RX-packets: 179251451823 RX-missed: 660384 RX-bytes: 11472092947106 RX-errors: 0 RX-nombuf: 0 TX-packets: 0 TX-errors: 0 TX-bytes: 0 Throughput (since last show) Rx-pps: 57553942 Rx-bps: 29467618576 Tx-pps: 0 Tx-bps: 0 ############################################################################ Recive per second 29.4G bps 57 million pps [root@localhost ~]# mlxfwmanager Querying Mellanox devices firmware ... Device #1: ---------- Device Type: ConnectX6 Part Number: MCX653106A-ECA_Ax Description: ConnectX-6 VPI adapter card; H100Gb/s (HDR100; EDR IB and 100GbE); dual-port QSFP56; PCIe3.0 x16; tall bracket; ROHS R6 PSID: MT_0000000224 PCI Device Name: 0000:ca:00.0 Base MAC: 08c0eb204e5a Versions: Current Available FW 20.30.1004 20.32.1010 PXE 3.6.0301 3.6.0502 UEFI 14.23.0017 14.25.0017 Status: Update required -- You are receiving this mail because: You are the assignee for the bug.</div> </div> </body> </html>