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
# 2.99 [+2.99] ipv4 tcp -t 1
# 4.77 [+1.78] tx=9287 (579 MB) txc=0 zc=n
# 5.17 [+0.40] rx=4641 (579 MB)
# 5.19 [+0.01] ipv4 tcp -z -t 1
# 7.00 [+1.81] tx=5675 (354 MB) txc=5675 zc=n
# 7.36 [+0.36] rx=2835 (354 MB)
# 7.37 [+0.00] ok
# 10.57 [+3.21] ipv6 tcp -t 1
# 12.32 [+1.74] tx=8644 (539 MB) txc=0 zc=n
# 12.71 [+0.39] rx=4317 (539 MB)
# 12.72 [+0.01] ipv6 tcp -z -t 1
# 14.52 [+1.80] tx=5591 (348 MB) txc=5591 zc=n
# 14.88 [+0.36] rx=2795 (348 MB)
# 14.89 [+0.01] ok
# 18.27 [+3.38] ipv4 udp -t 1
# 20.10 [+1.83] rx=13165 (821 MB)
# 20.10 [+0.00] ./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__->