make -C tools/testing/selftests TARGETS="net" TEST_PROGS=msg_zerocopy.sh TTEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: msg_zerocopy.sh
# 1.14 [+1.14] ipv4 tcp -t 1
# 5.55 [+4.41] tx=5 (0 MB) txc=0 zc=n
# 5.55 [+0.00] rx=0 (0 MB)
# 5.55 [+0.00] ipv4 tcp -z -t 1
# 10.25 [+4.70] tx=35 (2 MB) txc=35 zc=n
# 10.71 [+0.46] rx=9 (2 MB)
# 10.71 [+0.00] ok
# 11.97 [+1.26] ipv6 tcp -t 1
# 25.22 [+13.25] tx=8 (0 MB) txc=0 zc=n
# 25.22 [+0.00] rx=1 (0 MB)
# 25.22 [+0.00] ipv6 tcp -z -t 1
# 62.91 [+37.69] tx=37 (2 MB) txc=37 zc=n
# 63.37 [+0.46] rx=11 (2 MB)
# 63.37 [+0.00] ok
# 64.64 [+1.27] ipv4 udp -t 1
# 66.17 [+1.53] tx=15963 (996 MB) txc=0 zc=n
# 66.73 [+0.56] rx=0 (0 MB)
# 66.73 [+0.00] ipv4 udp -z -t 1
# 68.78 [+2.04] missing notifications: 8917 < 8920
# 68.78 [+0.00] tx=8920 (556 MB) txc=8917 zc=y
# 68.84 [+0.07] rx=0 (0 MB)
# 68.85 [+0.00] ok
# 70.13 [+1.29] ipv6 udp -t 1
# 71.66 [+1.53] tx=15620 (974 MB) txc=0 zc=n
# 72.23 [+0.57] rx=0 (0 MB)
# 72.23 [+0.00] ipv6 udp -z -t 1
# 72.59 [+0.35] ./msg_zerocopy: send: Network is down
# 74.04 [+1.45] rx=3 (0 MB)
not ok 1 selftests: net: msg_zerocopy.sh # exit=1
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->