Hello, Is PF_RING the culprit here ?? How to tweak this? Absolute stats showing around 2Gb/s and Actual stats near 1Gb/s...
=== [marco@nprobe ~]$ sudo pfcount -i ens2f0 Using PF_RING v.7.0.0 Capturing from ens2f0 [mac: D8:D3:85:A0:12:50][if_index: 5][speed: 10000Mb/s] # Device RX channels: 1 # Polling threads: 1 Dumping statistics on /proc/net/pf_ring/stats/2553-ens2f0.2 ========================= Absolute Stats: [136'889 pkts total][0 pkts dropped][0.0% dropped] [136'889 pkts rcvd][128'561'396 bytes rcvd] ========================= ========================= Absolute Stats: [274'090 pkts total][0 pkts dropped][0.0% dropped] [274'090 pkts rcvd][252'023'439 bytes rcvd][274'048.34 pkt/sec][2'015.88 Mbit/sec] ========================= Actual Stats: [137'201 pkts rcvd][1'000.15 ms][137'180.28 pps][0.99 Gbps] ========================= === Cumprimentos, *Marco Teixeira* ----------------------------------------------------------------------------------------------------------------------------------- Serviços de Comunicações da Universidade do Minho Campus de Azurém, 4800-058 Guimarães - Portugal Tel.: +351 253510141, Fax: +351 253604021 *[email protected] <[email protected]> *| *http://www.scom.uminho.pt <http://www.scom.uminho.pt/>* ----------------------------------------------------------------------------------------------------------------------------------- 2018-01-16 15:52 GMT+00:00 Marco Teixeira <[email protected]>: > Hi list, > > Do you know of any limitation (license wise) on the capture speed of > nProbe? > Can't seem to go above 1Gb/s, but machine still has plenty of CPU > available, and PCIe 10Gb/s NIC... > > === > Build OS: CentOS Linux release 7.4.1708 (Core) > GIT rev: 8.2-stable:fe33351b54075fa76a242548fb830e > 2bdf1d9224:20180112 > Edition: nProbe Pro > License Type: Permanent License > === > > === > [marco@nprobe ~]$ more /proc/net/pf_ring/stats/1361-ens2f0.1 > Duration: 0:00:33:05:185 > Bytes: 238825829235 > Packets: 272020616 > Dropped: 0 > > [marco@nprobe ~]$ more /proc/net/pf_ring/1361-ens2f0.1 > Bound Device(s) : ens2f0 > Active : 1 > Breed : Standard > Appl. Name : nProbe > Socket Mode : RX only > Capture Direction : RX+TX > Sampling Rate : 1 > 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 > Hw Filt Rules : 0 > Poll Pkt Watermark : 8 > Num Poll Calls : 0 > Channel Id Mask : 0xFFFFFFFFFFFFFFFF > VLAN Id : 65535 > Slot Version : 16 [7.0.0] > Min Num Slots : 4108 > Bucket Len : 128 > Slot Len : 336 [bucket+header] > Tot Memory : 1388544 > Tot Packets : 276360318 > Tot Pkt Lost : 0 > Tot Insert : 276360318 > Tot Read : 276360318 > Insert Offset : 711632 > Remove Offset : 711632 > Num Free Slots : 4108 > Reflect: Fwd Ok : 0 > Reflect: Fwd Errors: 0 > === > > Regards, > Marco >
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