Messages in this thread |  | | Date | Thu, 13 Sep 2018 15:58:44 +0200 | From | Florian Westphal <> | Subject | Re: Regression: kernel 4.14 an later very slow with many ipsec tunnels |
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Wolfgang Walter <linux@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.
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