[thirdparty/linux.git] / samples / bpf / lwt_len_hist.sh

#!/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 {
	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
Commit	Line	Data
f74599f7	1	#!/bin/bash
b2441318	2	# SPDX-License-Identifier: GPL-2.0
f74599f7 TG	3
	4	NS1=lwt_ns1
	5	VETH0=tst_lwt1a
	6	VETH1=tst_lwt1b
	7
	8	TRACE_ROOT=/sys/kernel/debug/tracing
	9
	10	function cleanup {
	11	ip route del 192.168.253.2/32 dev $VETH0 2> /dev/null
	12	ip link del $VETH0 2> /dev/null
	13	ip link del $VETH1 2> /dev/null
	14	ip netns exec $NS1 killall netserver
	15	ip netns delete $NS1 2> /dev/null
	16	}
	17
	18	cleanup
	19
	20	ip netns add $NS1
	21	ip link add $VETH0 type veth peer name $VETH1
	22	ip link set dev $VETH0 up
	23	ip addr add 192.168.253.1/24 dev $VETH0
	24	ip link set $VETH1 netns $NS1
	25	ip netns exec $NS1 ip link set dev $VETH1 up
	26	ip netns exec $NS1 ip addr add 192.168.253.2/24 dev $VETH1
	27	ip netns exec $NS1 netserver
	28
	29	echo 1 > ${TRACE_ROOT}/tracing_on
	30	cp /dev/null ${TRACE_ROOT}/trace
	31	ip route add 192.168.253.2/32 encap bpf out obj lwt_len_hist_kern.o section len_hist dev $VETH0
	32	netperf -H 192.168.253.2 -t TCP_STREAM
	33	cat ${TRACE_ROOT}/trace \| grep -v '^#'
	34	./lwt_len_hist
	35	cleanup
	36	echo 0 > ${TRACE_ROOT}/tracing_on
	37
	38	exit 0