make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=sch_tbbf_prio.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-4/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# overriding timeout to 21600
# selftests: net/forwarding: sch_tbf_prio.sh
# 17.95 [+17.95] TEST: ping vlan 10                                                  [ OK ]
# 19.21 [+1.26] TEST: ping vlan 11                                                  [ OK ]
# 19.29 [+0.09] INFO: Testing root-prio-tbf
# 37.69 [+18.40] TEST: TC 0: TBF rate 400Mbit                                        [XFAIL]
# 37.69 [+0.00] Expected rate 381.4Mbps, got 356.3Mbps, which is -6% off. Required accuracy is +-5%.
# 55.39 [+17.70] TEST: TC 1: TBF rate 800Mbit                                        [XFAIL]
# 55.39 [+0.00] Expected rate 762.9Mbps, got 463.2Mbps, which is -39% off. Required accuracy is +-5%.
# 55.79 [+0.40] INFO: Testing root-tbf-prio
# 74.31 [+18.51] TEST: TC 0: TBF rate 400Mbit                                        [ OK ]
# 92.05 [+17.74] TEST: TC 1: TBF rate 400Mbit                                        [ OK ]
ok 1 selftests: net/forwarding: sch_tbf_prio.sh
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0x00042aa0 (size 64):
  comm "swapper/0", pid 0, jiffies 4294667296
  hex dump (first 32 bytes on cpu 3):
    00 00 00 00 00 00 00 00 00 00 06 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    pcpu_alloc_noprof+0x4ad/0xab0
    setup_zone_pageset+0x30/0x290
    setup_per_cpu_pageset+0x6a/0x1f0
    start_kernel+0x2a4/0x410
    x86_64_start_reservations+0x18/0x30
    x86_64_start_kernel+0xba/0x110
    common_startup_64+0x12c/0x138

DETECTED CRASH, lowering timeout
xx__->