Wolfgang Walter <li...@stwm.de> wrote: > thanks to the fix from Steffen Klassert I could now run 4.14.69 + his patch > and 4.18.7 + his patch without oopsing immediately. > > But I found that those kernels perform very bad. They perform so bad that > they > are unusable for our router with about 3000 ipsec tunnels (tunnel mode > network > <-> network).
Can you do a 'perf record -a -g sleep 5' with 4.18 and provide 'perf report' result? It would be good to see where those cycles are spent.