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] > <mailto:[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] >> <mailto:[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] <mailto:[email protected]> >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> <http://listgateway.unipi.it/mailman/listinfo/ntop-misc> > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <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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