Vakul Garg <vakul.g...@nxp.com> wrote: > > Do you use xfrm interfaces? > > I don't think so. I use setkey to create policies/SAs. > Can you please give me some hint about it?
Then you're not using ipsec interfaces. > > > Further, perf show that a lot of atomic primitives such as > > > __ll_sc___cmpxchg_case_mb_4(), > > > __ll_sc_atomic_sub_return() are being invoked. On 16 core system, they > > consume more than 30% of cpu. > > > > Thats not good, perhaps we should look at pcpu refcounts for the xfrm state > > structs. > > What else data can I collect? I have no further suggestions. I don't know yet when I will have time to look into refcnt optimizations. Idea would be to make them same as dev_hold/put.