Gecko [ www.jobworksschool.com ]

Linux jobworks 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 x86_64
Apache/2.4.58 (Ubuntu)
Server IP : 10.0.1.5 & Your IP : 216.73.217.52
Domains : Cant Read [ /etc/named.conf ]
User : www-data

Name	Size	Permission	Date
Makefile	14.39 KB	-rw-r--r--	2026-07-01 19:48
Makefile.target	2.52 KB	-rw-r--r--	2024-03-10 20:38
do_hbm_test.sh	12 KB	-rwxr-xr-x	2024-03-10 20:38
lwt_len_hist.sh	1.03 KB	-rwxr-xr-x	2024-03-10 20:38
run_cookie_uid_helper_example.sh	341 B	-rwxr-xr-x	2024-03-10 20:38
tc_l2_redirect.sh	5.07 KB	-rwxr-xr-x	2024-03-10 20:38
test_cgrp2_sock.sh	2.87 KB	-rwxr-xr-x	2024-03-10 20:38
test_cgrp2_sock2.sh	1.94 KB	-rwxr-xr-x	2024-03-10 20:38
test_cgrp2_tc.sh	4.28 KB	-rwxr-xr-x	2024-03-10 20:38
test_cls_bpf.sh	915 B	-rwxr-xr-x	2024-03-10 20:38
test_lwt_bpf.sh	9.15 KB	-rwxr-xr-x	2024-03-10 20:38
test_override_return.sh	276 B	-rwxr-xr-x	2024-03-10 20:38
xdp2skb_meta.sh	4.5 KB	-rwxr-xr-x	2024-03-10 20:38

Rename

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

NS1=lwt_ns1
VETH0=tst_lwt1a
VETH1=tst_lwt1b
BPF_PROG=lwt_len_hist.bpf.o
TRACE_ROOT=/sys/kernel/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 $BPF_PROG 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