41 строка
1.0 KiB
Bash
Executable File
41 строка
1.0 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
NS1=lwt_ns1
|
|
VETH0=tst_lwt1a
|
|
VETH1=tst_lwt1b
|
|
|
|
TRACE_ROOT=/sys/kernel/debug/tracing
|
|
|
|
function cleanup {
|
|
# To reset saved histogram, remove pinned map
|
|
rm /sys/fs/bpf/tc/globals/lwt_len_hist_map
|
|
ip route del 192.168.253.2/32 dev $VETH0 2> /dev/null
|
|
ip link del $VETH0 2> /dev/null
|
|
ip link del $VETH1 2> /dev/null
|
|
ip netns exec $NS1 killall netserver
|
|
ip netns delete $NS1 2> /dev/null
|
|
}
|
|
|
|
cleanup
|
|
|
|
ip netns add $NS1
|
|
ip link add $VETH0 type veth peer name $VETH1
|
|
ip link set dev $VETH0 up
|
|
ip addr add 192.168.253.1/24 dev $VETH0
|
|
ip link set $VETH1 netns $NS1
|
|
ip netns exec $NS1 ip link set dev $VETH1 up
|
|
ip netns exec $NS1 ip addr add 192.168.253.2/24 dev $VETH1
|
|
ip netns exec $NS1 netserver
|
|
|
|
echo 1 > ${TRACE_ROOT}/tracing_on
|
|
cp /dev/null ${TRACE_ROOT}/trace
|
|
ip route add 192.168.253.2/32 encap bpf out obj lwt_len_hist_kern.o section len_hist dev $VETH0
|
|
netperf -H 192.168.253.2 -t TCP_STREAM
|
|
cat ${TRACE_ROOT}/trace | grep -v '^#'
|
|
./lwt_len_hist
|
|
cleanup
|
|
echo 0 > ${TRACE_ROOT}/tracing_on
|
|
|
|
exit 0
|