[knot-dns-users] Re: tcp ddos

Samples: 61K of event 'cpu-clock:pppH', 4000 Hz, Event count (approx.): 6714836502 lost: 0/0 drop: 0/0 Overhead Shared Object Symbol 10.50% [kernel] [k] __softirqentry_text_start 7.51% [kernel] [k] _raw_spin_unlock_irqrestore 4.72% [kernel] [k] iowrite16 3.95% [kernel] [k] finish_task_switch.isra.0 2.08% [kernel] [k] syscall_enter_from_user_mode 1.04% libc.so.6 [.] epoll_wait 0.96% [kernel] [k] copy_user_generic_string 0.96% libc.so.6 [.] __sendmmsg 0.91% libc.so.6 [.] recvmmsg 0.83% [kernel] [k] __fget_light 0.70% libknot.so.13.0.0 [.] knot_rrset_to_wire_extra 0.64% libgmp.so.10.4.1 [.] __gmpn_cnd_add_n 0.59% libgmp.so.10.4.1 [.] __gmpn_cnd_sub_n 0.56% libhogweed.so.6.6 [.] _nettle_sec_tabselect 0.54% libgmp.so.10.4.1 [.] __gmpn_sqr_basecase