make -C tools/testing/selftests TARGETS=net TEST_PROGS=msg_zerocopy.sh TESST_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=7793 (486 MB) txc=0 zc=n # rx=3892 (486 MB) # ipv4 tcp -z -t 1 # tx=4705 (293 MB) txc=4705 zc=n # rx=2353 (293 MB) # ok # ipv6 tcp -t 1 # tx=7612 (475 MB) txc=0 zc=n # rx=3802 (475 MB) # ipv6 tcp -z -t 1 # tx=4614 (287 MB) txc=4614 zc=n # rx=2308 (287 MB) # ok # ipv4 udp -t 1 # rx=15821 (987 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__->