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 12000 # selftests: net: msg_zerocopy.sh # ipv4 tcp -t 1 # tx=3218 (200 MB) txc=0 zc=n # rx=3214 (200 MB) # ipv4 tcp -z -t 1 # tx=1871 (116 MB) txc=1871 zc=n # rx=1870 (116 MB) # ok # ipv6 tcp -t 1 # tx=3022 (188 MB) txc=0 zc=n # rx=3023 (188 MB) # ipv6 tcp -z -t 1 # tx=1816 (113 MB) txc=1816 zc=n # rx=1816 (113 MB) # ok # ipv4 udp -t 1 # tx=12457 (777 MB) txc=0 zc=n # rx=12082 (753 MB) # ipv4 udp -z -t 1 # rx=5363 (334 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__->