Hello! But how I can disable passing packets to system? I need this packets only at PF_RING level :)
On Fri, Dec 12, 2014 at 8:03 PM, Luca Deri <[email protected]> wrote: > Good to know ZC works as expected > > Luca > >> On 12 Dec 2014, at 17:33, Pavel Odintsov <[email protected]> wrote: >> >> Yep, I opened zc:ethX and everything works fine. But ksoftirqd still >> overload my system because packets flow into Linux Network Stack too >> :( >> >> On Fri, Dec 12, 2014 at 7:29 PM, Luca Deri <[email protected]> wrote: >>> ok but for using zc you need to open “zc:eth4” whereas “eth4” uses sthe >>> standard PF_RING >>> >>> Luca >>> >>> On 12 Dec 2014, at 17:23, Pavel Odintsov <[email protected]> wrote: >>> >>> Maybe it will be relevant and I have 2 NIC's with 2 ports each in this >>> server: >>> >>> 0a:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit >>> SFI/SFP+ Network Connection (rev 01) >>> 0a:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit >>> SFI/SFP+ Network Connection (rev 01) >>> 0d:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit >>> SFI/SFP+ Network Connection (rev 01) >>> 0d:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit >>> SFI/SFP+ Network Connection (rev 01) >>> >>> >>> >>> On Fri, Dec 12, 2014 at 7:16 PM, Pavel Odintsov >>> <[email protected]> wrote: >>> >>> Oh, very strange! >>> >>> In transparent_mode=2 quick_mode=1 I still can see packets at >>> interface with standard pcap tcpdump: >>> tcpdump -i eth4 -c 10 >>> tcpdump: WARNING: eth4: no IPv4 address assigned >>> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode >>> listening on eth4, link-type EN10MB (Ethernet), capture size 65535 bytes >>> 19:15:19.916730 IP 10.10.10.100.49645 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916733 IP 10.10.10.100.41742 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916734 IP 10.10.10.100.30047 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916735 IP 10.10.10.100.41743 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916736 IP 10.10.10.100.38649 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916737 IP 10.10.10.100.30048 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916739 IP 10.10.10.100.49646 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916740 IP 10.10.10.100.52632 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916741 IP 10.10.10.100.41744 > 10.10.10.200.0: UDP, length 0 >>> 19:15:19.916742 IP 10.10.10.100.30049 > 10.10.10.200.0: UDP, length 0 >>> 10 packets captured >>> 2980 packets received by filter >>> 2839 packets dropped by kernel >>> >>> On Fri, Dec 12, 2014 at 7:11 PM, Pavel Odintsov >>> <[email protected]> wrote: >>> >>> Hello, Luca! >>> >>> I'm loading ixgbe patched ixgbe driver, loaded pf_ring, start hping >>> flood from another machine and got 90% of kernel load from ksoftirqd. >>> I did not started any toolkit yet :( >>> >>> But ZC looks like working because it work many times faster then >>> vanilla PF_RING and process 2 mpps of packets! And it complains about >>> license: >>> >>> # ERROR: You do not seem to have a valid PF_RING ZC license >>> 6.0.2.140923 for eth4 [Intel 10 Gbit ixgbe 82599-based] >>> # ERROR: Please get one at http://shop.ntop.org/. >>> >>> >>> On Fri, Dec 12, 2014 at 7:02 PM, Luca Deri <[email protected]> wrote: >>> >>> Pavel >>> if you have ksoftirq up, I believe you are not using ZC. Please explain what >>> you are doing? >>> >>> >>> Luca >>> >>> On 12 Dec 2014, at 16:24, Pavel Odintsov <[email protected]> wrote: >>> >>> Total number of generated packets per second flood was about 1million >>> packets per second, CPU E5-2407 0 @ 2.20GHz. >>> >>> On Fri, Dec 12, 2014 at 6:19 PM, Pavel Odintsov >>> <[email protected]> wrote: >>> >>> Hello! >>> >>> I'm using PF_RING 6.0.2 with Debian 7 Wheezy 3.2.0-4-amd64. I >>> installed ixgbe driver with ZC support and loaded it with >>> load_driver.sh. >>> >>> I don't need any processing and linux stack thus I set: transparent_mode=2. >>> >>> After this I run udp flood from 6 hping instances from another server: >>> hping3 -I eth1 --udp --flood 10.10.10.200 >>> >>> After this I run top and got this: >>> %Cpu(s): 0.0 us, 0.0 sy, 0.0 ni, 90.3 id, 0.0 wa, 0.0 hi, 9.7 si, 0.0 >>> st >>> 3 root 20 0 0 0 0 S 78.5 0.0 5:40.02 >>> ksoftirqd/0 >>> htop looks like this: >>> 1 [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||93.9%] >>> Tasks: 24, 3 thr, 49 kthr; 1 running >>> 2 [ >>> 0.0%] Load average: 0.05 0.20 0.22 >>> 3 [ >>> 0.0%] Uptime: 18 days, 22:04:44 >>> 4 [ 0.0%] >>> Mem[||||||||||||||| 2661/32207MB] >>> Swp[ 0/8190MB] >>> >>> >>> I even tried to enable quick_mode=1 but ksoftirqd consuming almost >>> whole CPU core. >>> >>> Thank you for your attention! >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> >>> >>> >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> _______________________________________________ >>> 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 >>> >>> >>> >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> >>> >>> >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> >>> >>> >>> >>> -- >>> Sincerely yours, Pavel Odintsov >>> _______________________________________________ >>> 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 >> >> >> >> -- >> Sincerely yours, Pavel Odintsov >> _______________________________________________ >> 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 -- Sincerely yours, Pavel Odintsov _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
