2 # SPDX-License-Identifier: GPL-2.0
4 # Test latency spikes caused by FIN/ACK handling race.
9 tmpfile=$(mktemp /tmp/fin_ack_latency.XXXX.log)
12 kill $(pidof fin_ack_lat)
21 ./fin_ack_lat | tee $tmpfile &
25 NR_SPIKES=$(wc -l $tmpfile | awk '{print $1}')
26 if [ $NR_SPIKES -gt 0 ]
28 echo "FAIL: $NR_SPIKES spikes detected"