Thank you, it worked and now there’s no drop any more. As to the output of my lstopo, p1p1 is connected to a PCIBridge, so which numa node should I bind zc driver and my app to.
Many thanks, Wang Sent from my iPhone > On Dec 27, 2019, at 5:29 PM, Alfredo Cardigliano <[email protected]> wrote: > > Hi > it seems you are not actually enabling ZC capture, please add the zc: prefix > to the interface name (e.g. -i zc:p1p1) > > Regards > Alfredo > >> On 25 Dec 2019, at 06:46, Wang <[email protected]> wrote: >> >> Hi Alfredo, sorry for the late reply. I have being try to solve it but >> unfortunately it doesn't work so far. So, here is some updated info for you: >> >> what happened: >> about 2Gbps captured by a 10Gb port, zcount reported no drops, ethtool -S >> reported no rs_dropped, but ip -s link report more than 300K packets dropped. >> >> -OS: >> centos 7, kernel 3.10 >> >> -capture port: >> 82599EB based dual-port card >> >> -command line: >> zcount -i p1p1 >> >> - cat /proc/net/pf_ring/dev/<interface>/info >> [root@r510 p1p1]# cat info >> Name: p1p1 >> Index: 10 >> Address: 48:F8:DB:7E:DA:5C >> Polling Mode: NAPI/ZC >> Type: Ethernet >> Family: Intel ixgbe 82599 >> TX Queues: 1 >> RX Queues: 1 >> Num RX Slots: 32768 >> Num TX Slots: 32768 >> >> >> [root@r510 pf_ring]# cat 31372-p1p1.120 >> Bound Device(s) : p1p1 >> Active : 1 >> Breed : Standard >> Appl. Name : pfring-zc-99-p1p1 >> Socket Mode : RX only >> Capture Direction : RX only >> Sampling Rate : 1 >> Filtering Sampling Rate: 0 >> IP Defragment : No >> BPF Filtering : Disabled >> Sw Filt Hash Rules : 0 >> Sw Filt WC Rules : 0 >> Sw Filt Hash Match : 0 >> Sw Filt Hash Miss : 0 >> Sw Filt Hash Filtered : 0 >> Hw Filt Rules : 0 >> Poll Pkt Watermark : 128 >> Num Poll Calls : 0 >> Poll Watermark Timeout : 0 >> Channel Id Mask : 0xFFFFFFFFFFFFFFFF >> VLAN Id : 65535 >> Slot Version : 17 [7.5.0] >> Min Num Slots : 65538 >> Bucket Len : 1518 >> Slot Len : 1568 [bucket+header] >> Tot Memory : 102772736 >> Tot Packets : 20306173 >> Tot Pkt Lost : 0 >> Tot Insert : 20306173 >> Tot Read : 20306172 >> Insert Offset : 37222704 >> Remove Offset : 37220768 >> Num Free Slots : 65536 >> Reflect: Fwd Ok : 0 >> Reflect: Fwd Errors : 0 >> >> >> >> - cat /proc/cpuinfo >> 24core cpu, this is the last one, all others looks like this: >> >> processor : 23 >> vendor_id : GenuineIntel >> cpu family : 6 >> model : 44 >> model name : Intel(R) Xeon(R) CPU X5675 @ 3.07GHz >> stepping : 2 >> microcode : 0x1f >> cpu MHz : 3066.920 >> cache size : 12288 KB >> physical id : 0 >> siblings : 12 >> core id : 10 >> cpu cores : 6 >> apicid : 21 >> initial apicid : 21 >> fpu : yes >> fpu_exception : yes >> cpuid level : 11 >> wp : yes >> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca >> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht >> tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc >> arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf >> eagerfpu pn i pclmulqdq dtes64 monitor >> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt >> aes lahf_lm ssbd ibrs ibpb st ibp >> tpr_shadow vnmi flexpriority ept vpid dtherm ida arat spec_ctrl intel_stibp >> flush_l1d >> bogomips : 6133.23 >> clflush size : 64 >> cache_alignment : 64 >> address sizes : 40 bits physical, 48 bits virtual >> power management: >> >> >> - lstopo >> [root@r510 tmp]# lstopo-no-graphics >> Machine (64GB total) >> NUMANode L#0 (P#0 32GB) + Package L#0 + L3 L#0 (12MB) >> L2 L#0 (256KB) + L1d L#0 (32KB) + L1i L#0 (32KB) + Core L#0 >> PU L#0 (P#0) >> PU L#1 (P#12) >> L2 L#1 (256KB) + L1d L#1 (32KB) + L1i L#1 (32KB) + Core L#1 >> PU L#2 (P#2) >> PU L#3 (P#14) >> L2 L#2 (256KB) + L1d L#2 (32KB) + L1i L#2 (32KB) + Core L#2 >> PU L#4 (P#4) >> PU L#5 (P#16) >> L2 L#3 (256KB) + L1d L#3 (32KB) + L1i L#3 (32KB) + Core L#3 >> PU L#6 (P#6) >> PU L#7 (P#18) >> L2 L#4 (256KB) + L1d L#4 (32KB) + L1i L#4 (32KB) + Core L#4 >> PU L#8 (P#8) >> PU L#9 (P#20) >> L2 L#5 (256KB) + L1d L#5 (32KB) + L1i L#5 (32KB) + Core L#5 >> PU L#10 (P#10) >> PU L#11 (P#22) >> NUMANode L#1 (P#1 32GB) + Package L#1 + L3 L#1 (12MB) >> L2 L#6 (256KB) + L1d L#6 (32KB) + L1i L#6 (32KB) + Core L#6 >> PU L#12 (P#1) >> PU L#13 (P#13) >> L2 L#7 (256KB) + L1d L#7 (32KB) + L1i L#7 (32KB) + Core L#7 >> PU L#14 (P#3) >> PU L#15 (P#15) >> L2 L#8 (256KB) + L1d L#8 (32KB) + L1i L#8 (32KB) + Core L#8 >> PU L#16 (P#5) >> PU L#17 (P#17) >> L2 L#9 (256KB) + L1d L#9 (32KB) + L1i L#9 (32KB) + Core L#9 >> PU L#18 (P#7) >> PU L#19 (P#19) >> L2 L#10 (256KB) + L1d L#10 (32KB) + L1i L#10 (32KB) + Core L#10 >> PU L#20 (P#9) >> PU L#21 (P#21) >> L2 L#11 (256KB) + L1d L#11 (32KB) + L1i L#11 (32KB) + Core L#11 >> PU L#22 (P#11) >> PU L#23 (P#23) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> Misc(MemoryModule) >> HostBridge L#0 >> PCIBridge >> PCI 14e4:163b >> Net L#0 "em1" >> PCI 14e4:163b >> Net L#1 "em2" >> PCIBridge >> PCI 1000:0079 >> Block(Disk) L#2 "sda" >> PCIBridge >> PCIBridge >> PCIBridge >> PCI 8086:10e8 >> Net L#3 "p2p1" >> PCI 8086:10e8 >> Net L#4 "p2p2" >> PCIBridge >> PCI 8086:10e8 >> Net L#5 "p2p3" >> PCI 8086:10e8 >> Net L#6 "p2p4" >> PCIBridge >> PCI 8086:10fb >> Net L#7 "p1p1" >> PCI 8086:10fb >> Net L#8 "p1p2" >> PCIBridge >> PCI 102b:0532 >> GPU L#9 "card0" >> GPU L#10 "controlD64" >> >> >> >> >> >> >> >> On Mon, Nov 25, 2019 at 4:11 PM Alfredo Cardigliano <[email protected]> >> wrote: >>> Hi >>> please provide: >>> - the pfcount command you are using >>> - cat /proc/net/pf_ring/dev/<interface>/info >>> - cat /proc/cpuinfo >>> - lstopo >>> >>> Thank you >>> Alfredo >>> >>>> On 24 Nov 2019, at 07:38, Yong Wang <[email protected]> wrote: >>>> >>>> >>>> Hi there, I am struggling with a weird packet dropping. My environment is >>>> pfring zc with intel x520 nic. I started a pfcount to listen to one of >>>> 10Gb port of this card. When a burst traffic up to 2Gb came in, ifconfig >>>> showed thousands packets were dropped. The reason I called it weird is >>>> when the traffic remained in 2Gb, no packet dropped any more. >>>> >>>> Any comment? >>>> _______________________________________________ >>>> Ntop-misc mailing list >>>> [email protected] >>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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