[Oisf-devel] suricata & two-way traffic

vpiserchia at gmail.com vpiserchia at gmail.com
Tue Jul 15 10:39:45 UTC 2014


Hello Mahnaz,

have you tried changing the cluster_type to cluster_flow ?
I'm not sure this can help but maybe it worth to check

best regards
vito

On 07/15/2014 12:04 PM, Mahnaz Talebi wrote:
> Is there anyone who can help me to solve this problem?
> 
> 
> On Tue, Jul 8, 2014 at 5:17 PM, Mahnaz Talebi <mhnz.talebi at gmail.com <mailto:mhnz.talebi at gmail.com>> wrote:
> 
>     Hi all,
> 
> 
>     I am trying to evalute suricata's behavior, when sending traffic for two interface that peer together in af-packet mode. I use tcpreplay for sending traffic to these interfaces with rate 950Mbps.
>     I use RSS & smp_affinity for distribute flows between cpus and use workers runmode and cluster-cpu as cluster-type in af-packet mode.
>     when I send traffic for one of peered interfaces(p115p3), drop rate is 0%, and top -H report is :
> 
>     Cpu0  :  0.0%us, 20.1%sy, 12.2%ni, 54.6%id,  0.0%wa,  1.3%hi, 11.8%si,  0.0%st
>     Cpu1  : 11.9%us, 18.0%sy,  0.0%ni, 52.2%id,  0.0%wa,  2.9%hi, 15.1%si,  0.0%st
>     Cpu2  :  6.2%us, 16.7%sy,  0.0%ni, 20.7%id,  0.0%wa,  3.3%hi, 53.3%si,  0.0%st
>     Cpu3  : 12.7%us, 18.0%sy,  0.0%ni, 57.6%id,  0.0%wa,  2.5%hi,  9.2%si,  0.0%st
>     Cpu4  : 13.0%us, 20.6%sy,  0.0%ni, 51.3%id,  0.0%wa,  3.2%hi, 11.9%si,  0.0%st
>     Cpu5  : 11.8%us, 19.3%sy,  0.0%ni, 51.4%id,  0.0%wa,  2.5%hi, 15.0%si,  0.0%st
>     Cpu6  : 10.0%us, 15.3%sy,  0.0%ni, 57.7%id,  0.0%wa,  2.1%hi, 14.9%si,  0.0%st
>     Cpu7  : 15.3%us, 27.8%sy,  0.0%ni, 40.9%id,  0.0%wa,  2.5%hi, 13.5%si,  0.0%st
>     Mem:  20775960k total,  1003940k used, 19772020k free,    97688k buffers
>     Swap:  5177340k total,        0k used,  5177340k free,   540524k cached
> 
>       PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>      6783 root      18  -2  337m  61m 3376 R 43.2  0.3   0:09.74 AFPacketp115p38
>      6780 root      18  -2  337m  61m 3376 R 35.6  0.3   0:07.61 AFPacketp115p35
>      6779 root      18  -2  337m  61m 3376 R 32.2  0.3   0:06.96 AFPacketp115p34
>      6781 root      18  -2  337m  61m 3376 R 32.2  0.3   0:06.95 AFPacketp115p36
>      6777 root      20   0  337m  61m 3376 R 31.3  0.3   0:06.72 AFPacketp115p32
>      6776 root      22   2  337m  61m 3376 R 29.9  0.3   0:08.12 AFPacketp115p31
>      6782 root      18  -2  337m  61m 3376 R 26.6  0.3   0:05.67 AFPacketp115p37
>      6778 root      20   0  337m  61m 3376 R 24.3  0.3   0:05.21 AFPacketp115p33
>      6767 root      20   0  337m  61m 3376 S  0.7  0.3   0:00.07 Suricata-Main
>      6784 root      22   2  337m  61m 3376 S  0.7  0.3   0:00.12 FlowManagerThre
> 
>     but, when I send traffic to both interfaces, drop rate for each interface is almost 55% ! each interface has 8 threads.
>     and top -H report is:
> 
>     Cpu0  :  1.0%us, 24.7%sy, 49.8%ni,  6.7%id,  0.0%wa,  2.0%hi, 15.7%si,  0.0%st
>     Cpu1  : 50.7%us, 24.2%sy,  0.3%ni,  7.4%id,  0.0%wa,  2.0%hi, 15.4%si,  0.0%st
>     Cpu2  : 43.0%us, 19.5%sy,  0.0%ni,  1.0%id,  0.0%wa,  1.7%hi, 34.9%si,  0.0%st
>     Cpu3  : 59.4%us, 21.8%sy,  0.0%ni,  8.1%id,  0.0%wa,  1.7%hi,  9.1%si,  0.0%st
>     Cpu4  : 56.3%us, 23.0%sy,  0.0%ni,  7.7%id,  0.0%wa,  1.7%hi, 11.3%si,  0.0%st
>     Cpu5  : 53.7%us, 23.8%sy,  0.0%ni,  6.4%id,  0.0%wa,  1.7%hi, 14.4%si,  0.0%st
>     Cpu6  : 52.3%us, 23.2%sy,  0.0%ni,  8.1%id,  0.0%wa,  2.0%hi, 14.4%si,  0.0%st
>     Cpu7  : 54.5%us, 23.6%sy,  0.0%ni,  7.1%id,  0.0%wa,  2.0%hi, 12.8%si,  0.0%st
>     Mem:  20775960k total,  1014884k used, 19761076k free,    97844k buffers
>     Swap:  5177340k total,        0k used,  5177340k free,   541212k cached
> 
>       PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>      6780 root      18  -2  337m  70m 3376 R 39.5  0.3   1:47.93 AFPacketp115p35
>      6771 root      18  -2  337m  70m 3376 R 39.2  0.3   0:09.97 AFPacketp115p44
>      6772 root      18  -2  337m  70m 3376 R 38.9  0.3   0:10.02 AFPacketp115p45
>      6783 root      18  -2  337m  70m 3376 R 38.9  0.3   2:11.36 AFPacketp115p38
>      6779 root      18  -2  337m  70m 3376 R 38.6  0.3   1:40.22 AFPacketp115p34
>      6773 root      18  -2  337m  70m 3376 R 38.2  0.3   0:09.65 AFPacketp115p46
>      6775 root      18  -2  337m  70m 3376 R 38.2  0.3   0:10.48 AFPacketp115p48
>      6781 root      18  -2  337m  70m 3376 R 38.2  0.3   1:39.22 AFPacketp115p36
>      6774 root      18  -2  337m  70m 3376 R 37.6  0.3   0:09.20 AFPacketp115p47
>      6782 root      18  -2  337m  70m 3376 R 37.2  0.3   1:22.00 AFPacketp115p37
>      6768 root      22   2  337m  70m 3376 R 36.2  0.3   0:09.99 AFPacketp115p41
>      6776 root      22   2  337m  70m 3376 R 36.2  0.3   1:33.93 AFPacketp115p31
>      6769 root      20   0  337m  70m 3376 R 35.9  0.3   0:09.28 AFPacketp115p42
>      6777 root      20   0  337m  70m 3376 R 35.9  0.3   1:36.01 AFPacketp115p32
>      6770 root      20   0  337m  70m 3376 R 30.9  0.3   0:07.85 AFPacketp115p43
>      6778 root      20   0  337m  70m 3376 R 30.6  0.3   1:17.34 AFPacketp115p33
> 
>     what is problem?!
> 
> 
> 
> 
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