7 TRACE_ROOT=/sys/kernel/debug/tracing
10 ip route del 192.168.253.2/32 dev $VETH0 2> /dev/null
11 ip link del $VETH0 2> /dev/null
12 ip link del $VETH1 2> /dev/null
13 ip netns exec $NS1 killall netserver
14 ip netns delete $NS1 2> /dev/null
20 ip link add $VETH0 type veth peer name $VETH1
21 ip link set dev $VETH0 up
22 ip addr add 192.168.253.1/24 dev $VETH0
23 ip link set $VETH1 netns $NS1
24 ip netns exec $NS1 ip link set dev $VETH1 up
25 ip netns exec $NS1 ip addr add 192.168.253.2/24 dev $VETH1
26 ip netns exec $NS1 netserver
28 echo 1 > ${TRACE_ROOT}/tracing_on
29 cp /dev/null ${TRACE_ROOT}/trace
30 ip route add 192.168.253.2/32 encap bpf out obj lwt_len_hist_kern.o section len_hist dev $VETH0
31 netperf -H 192.168.253.2 -t TCP_STREAM
32 cat ${TRACE_ROOT}/trace | grep -v '^#'
35 echo 0 > ${TRACE_ROOT}/tracing_on