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