diff options
Diffstat (limited to 'samples/bpf/lwt_len_hist.sh')
| -rwxr-xr-x[-rw-r--r--] | samples/bpf/lwt_len_hist.sh | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/samples/bpf/lwt_len_hist.sh b/samples/bpf/lwt_len_hist.sh index 090b96eaf7f7..381b2c634784 100644..100755 --- a/samples/bpf/lwt_len_hist.sh +++ b/samples/bpf/lwt_len_hist.sh @@ -4,10 +4,12 @@ NS1=lwt_ns1 VETH0=tst_lwt1a VETH1=tst_lwt1b - -TRACE_ROOT=/sys/kernel/debug/tracing +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 @@ -28,7 +30,7 @@ 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 +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 |