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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"
|
|
