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
# ipv4 tcp -t 1
# tx=9168 (572 MB) txc=0 zc=n
# rx=4579 (572 MB)
# ipv4 tcp -z -t 1
# tx=5845 (364 MB) txc=5845 zc=n
# rx=2921 (364 MB)
# ok
# ipv6 tcp -t 1
# tx=9020 (562 MB) txc=0 zc=n
# rx=4508 (562 MB)
# ipv6 tcp -z -t 1
# tx=5708 (356 MB) txc=5708 zc=n
# rx=2854 (356 MB)
# ok
# ipv4 udp -t 1
# tx=17642 (1100 MB) txc=0 zc=n
# rx=16885 (1053 MB)
# ipv4 udp -z -t 1
# rx=6991 (436 MB)
# ./msg_zerocopy: send: Connection refused
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__->