Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
507 B
Bash
Executable File
36 lines
507 B
Bash
Executable File
#!/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"
|