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=8124 (506 MB) txc=0 zc=n # rx=4063 (506 MB) # ipv4 tcp -z -t 1 # tx=4937 (308 MB) txc=4937 zc=n # rx=2463 (308 MB) # ok # ipv6 tcp -t 1 # tx=7590 (473 MB) txc=0 zc=n # rx=3792 (473 MB) # ipv6 tcp -z -t 1 # tx=4570 (285 MB) txc=4570 zc=n # rx=2284 (285 MB) # ok # ipv4 udp -t 1 # rx=15455 (964 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__->