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=8904 (555 MB) txc=0 zc=n
# rx=4448 (555 MB)
# ipv4 tcp -z -t 1
# tx=5647 (352 MB) txc=5647 zc=n
# rx=2824 (352 MB)
# ok
# ipv6 tcp -t 1
# tx=8691 (542 MB) txc=0 zc=n
# rx=4343 (542 MB)
# ipv6 tcp -z -t 1
# tx=5494 (342 MB) txc=5494 zc=n
# rx=2745 (342 MB)
# ok
# ipv4 udp -t 1
# tx=17473 (1090 MB) txc=0 zc=n
# rx=16713 (1042 MB)
# ipv4 udp -z -t 1
# rx=6899 (430 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__->