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=7750 (483 MB) txc=0 zc=n # rx=3873 (483 MB) # ipv4 tcp -z -t 1 # tx=4442 (277 MB) txc=4442 zc=n # rx=2221 (277 MB) # ok # ipv6 tcp -t 1 # tx=6960 (434 MB) txc=0 zc=n # rx=3458 (434 MB) # ipv6 tcp -z -t 1 # tx=4357 (271 MB) txc=4357 zc=n # rx=2179 (271 MB) # ok # ipv4 udp -t 1 # rx=13402 (836 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__->