Bug 1297954
Summary: | Throughput rate of pktgen 64 bytes tests between two VHU's dropped to below 0.6 Mpps from 5+ Mpps when two way traffic reduced to one way | ||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | Jean-Tsung Hsiao <jhsiao> |
Component: | openvswitch-dpdk | Assignee: | Kevin Traynor <ktraynor> |
Status: | CLOSED CURRENTRELEASE | QA Contact: | Jean-Tsung Hsiao <jhsiao> |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | 7.2 | CC: | aloughla, atragler, fbaudin, fleitner, jhladky, jhsiao, kzhang, mleitner, osabart, rcain, rkhan, yrachman |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2016-10-05 14:36:19 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
Jean-Tsung Hsiao
2016-01-12 20:35:54 UTC
Hi Jean, Could you check if this still happens with 2.5? A lot has changed regarding to DPDK and this problem might be fixed already. Thanks, fbl (In reply to Flavio Leitner from comment #2) > Hi Jean, > > Could you check if this still happens with 2.5? A lot has changed regarding > to DPDK and this problem might be fixed already. > > Thanks, > fbl Just installed Panu's pktgen and dpdk: dpdk-16.04-1.el7.centos.x86_64 pktgen-dpdk-2.9.16-1.el7.centos.x86_64 But, my pktgen script failed: Copyright (c) <2010-2016>, Intel Corporation. All rights reserved. Powered by IntelĀ® DPDK EAL: Detected lcore 0 as core 0 on socket 0 EAL: Detected lcore 1 as core 0 on socket 0 EAL: Detected lcore 2 as core 0 on socket 0 EAL: Detected lcore 3 as core 0 on socket 0 EAL: Support maximum 128 logical core(s) by configuration. EAL: Detected 4 lcore(s) EAL: Probing VFIO support... EAL: IOMMU type 1 (Type 1) is not supported EAL: IOMMU type 8 (No-IOMMU) is not supported EAL: no supported IOMMU extensions found! EAL: VFIO support could not be initialized EAL: Setting up physically contiguous memory... EAL: Ask a virtual area of 0x1000000 bytes EAL: Virtual area found at 0x7f98f4e00000 (size = 0x1000000) EAL: Ask a virtual area of 0x48800000 bytes EAL: Virtual area found at 0x7f98ac400000 (size = 0x48800000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f98ac000000 (size = 0x200000) EAL: Ask a virtual area of 0x36000000 bytes EAL: Virtual area found at 0x7f9875e00000 (size = 0x36000000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f9875a00000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f9875600000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f9875200000 (size = 0x200000) EAL: Requesting 512 pages of size 2MB from socket 0 EAL: TSC frequency is ~3399997 KHz EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable clock cycles ! EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_ixgbe.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_e1000.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_null.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_fm10k.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_vhost.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_enic.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_pcap.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_i40e.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_cxgbe.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_vmxnet3_uio.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_af_packet.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_ring.so.2 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_bond.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_virtio.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_ena.so.1 EAL: open shared lib /usr/lib64/dpdk-pmds/librte_pmd_bnx2x.so.1 EAL: Master lcore 0 is ready (tid=fc9f88c0;cpuset=[0]) EAL: lcore 2 is ready (tid=f3dfd700;cpuset=[2]) EAL: lcore 1 is ready (tid=f45fe700;cpuset=[1]) EAL: lcore 3 is ready (tid=f35fc700;cpuset=[3]) EAL: PCI device 0000:00:03.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: Not managed by a supported kernel driver, skipped EAL: Error - exiting with code: 1 Please advise! Thanks! Jean Hi It is reproducible with DPDK 2.2 with OVS+DPDK 2.4 also You could check NFV-QE perf machines. Eyal After chatting with Jean, he is now able to run pktgen-dpdk. Please verify. (In reply to Flavio Leitner from comment #5) > After chatting with Jean, he is now able to run pktgen-dpdk. > Please verify. Yes. Jean, Since you can run pktgen-dpdk now, could you check 2.5? See comment#2. Thanks, fbl Hi Flavio, With 2.5 the issue is gone. Using port 0 from each side got a 3.4 Mpps steady state rate for each direction. Stopped one side traffic, got 3.7 Mpps steady state rate for single direction. I would suggest closing this issue. Thanks! Jean Thanks Jean! Appreciated it. I am closing this based on comment#8. (In reply to Flavio Leitner from comment #9) > Thanks Jean! Appreciated it. > I am closing this based on comment#8. NOTE: The 3.4 Mpps rate is a 26% drop from 4.6 Mpps as reported mentioned in the description. So, we have a significant degradation here. |