lkml.org 
[lkml]   [2018]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Regression: kernel 4.14 an later very slow with many ipsec tunnels
    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.

    \
     
     \ /
      Last update: 2018-09-13 16:09    [W:6.377 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site