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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /samples/bpf/lwt_len_hist.sh | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'samples/bpf/lwt_len_hist.sh')
-rwxr-xr-x | samples/bpf/lwt_len_hist.sh | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/samples/bpf/lwt_len_hist.sh b/samples/bpf/lwt_len_hist.sh new file mode 100755 index 000000000..0eda9754f --- /dev/null +++ b/samples/bpf/lwt_len_hist.sh @@ -0,0 +1,40 @@ +#!/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 |