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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test latency spikes caused by FIN/ACK handling race.
set +x
set -e
tmpfile=$(mktemp /tmp/fin_ack_latency.XXXX.log)
cleanup() {
kill $(pidof fin_ack_lat)
rm -f $tmpfile
}
trap cleanup EXIT
do_test() {
RUNTIME=$1
./fin_ack_lat | tee $tmpfile &
PID=$!
sleep $RUNTIME
NR_SPIKES=$(wc -l $tmpfile | awk '{print $1}')
if [ $NR_SPIKES -gt 0 ]
then
echo "FAIL: $NR_SPIKES spikes detected"
return 1
fi
return 0
}
do_test "30"
echo "test done"