Jakub Kicinski wrote: > Commit b9d5f5711dd8 ("selftests: net: increase the delay for relative > cmsg_time.sh test") widened the accepted value range 8x but we still > see flakes (at a rate of around 7%). > > Return XFAIL for the most timing sensitive test on slow machines. > > Before: > > # ./cmsg_time.sh > Case UDPv4 - TXTIME rel returned '8074us - 7397us < 4000', expected 'OK' > FAIL - 1/36 cases failed > > After: > > # ./cmsg_time.sh > Case UDPv4 - TXTIME rel returned '1123us - 941us < 500', expected 'OK' (XFAIL) > Case UDPv6 - TXTIME rel returned '1227us - 776us < 500', expected 'OK' (XFAIL) > OK > > Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>