Eric Dumazet wrote:
quoted text
> # time iptables -nvL
> Chain INPUT (policy ACCEPT 416M packets, 64G bytes)
>  pkts bytes target     prot opt in     out     source               destination
> 
> Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
>  pkts bytes target     prot opt in     out     source               destination
> 
> Chain OUTPUT (policy ACCEPT 401M packets, 62G bytes)
>  pkts bytes target     prot opt in     out     source               destination
> 
> real    0m1.810s
> user    0m0.000s
> sys     0m0.001s

Thats really slow ...

quoted text
> CONFIG_NO_HZ=y
> CONFIG_HZ_1000=y
> CONFIG_HZ=1000
> 
> One cpu is 100% handling softirqs, could it be the problem ?

Is this fixed by your RCU quiescent state fix?
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