make -C tools/testing/selftests TARGETS="drivers/net" TEST_PROGS=stats.py  TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-18/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-18/tools/testing/selftests/drivers/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-18/tools/testing/selftests/drivers/net'
make[1]: Entering directory '/home/virtme/testing-18/tools/testing/selftests/drivers/net'
TAP version 13
1..1
# overriding timeout to 90
# selftests: drivers/net: stats.py
# KTAP version 1
# 1..7
# ok 1 stats.check_pause
# ok 2 stats.check_fec
# ok 3 stats.pkt_byte_sum
# ok 4 stats.qstat_by_ifindex
# ok 5 stats.check_down
# ok 6 stats.procfs_hammer
# # completed up/down cycles: 9
# ok 7 stats.procfs_downup_hammer
# # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: drivers/net: stats.py
make[1]: Leaving directory '/home/virtme/testing-18/tools/testing/selftests/drivers/net'
make: Leaving directory '/home/virtme/testing-18/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0x00042a60 (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
xx__->