51 lines
1.0 KiB
Bash
51 lines
1.0 KiB
Bash
|
#!/bin/sh
|
||
|
|
# Check Arm SPE doesn't hang when there are forks
|
||
|
|
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
# German Gomez <german.gomez@arm.com>, 2022
|
||
|
|
|
||
|
|
skip_if_no_arm_spe_event() {
|
||
|
|
perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0
|
||
|
|
return 2
|
||
|
|
}
|
||
|
|
|
||
|
|
skip_if_no_arm_spe_event || exit 2
|
||
|
|
|
||
|
|
TEST_PROGRAM="perf test -w sqrtloop 10"
|
||
|
|
PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
|
||
|
|
PERF_RECORD_LOG=$(mktemp /tmp/__perf_test.log.XXXXX)
|
||
|
|
|
||
|
|
cleanup_files()
|
||
|
|
{
|
||
|
|
echo "Cleaning up files..."
|
||
|
|
rm -f ${PERF_RECORD_LOG}
|
||
|
|
rm -f ${PERF_DATA}
|
||
|
|
}
|
||
|
|
|
||
|
|
trap cleanup_files exit term int
|
||
|
|
|
||
|
|
echo "Recording workload..."
|
||
|
|
perf record -o ${PERF_DATA} -e arm_spe/period=65536/ -vvv -- $TEST_PROGRAM > ${PERF_RECORD_LOG} 2>&1 &
|
||
|
|
PERFPID=$!
|
||
|
|
|
||
|
|
# Check if perf hangs by checking the perf-record logs.
|
||
|
|
sleep 1
|
||
|
|
log0=$(wc -l $PERF_RECORD_LOG)
|
||
|
|
echo Log lines = $log0
|
||
|
|
sleep 1
|
||
|
|
log1=$(wc -l $PERF_RECORD_LOG)
|
||
|
|
echo Log lines after 1 second = $log1
|
||
|
|
|
||
|
|
kill $PERFPID
|
||
|
|
wait $PERFPID
|
||
|
|
|
||
|
|
if [ "$log0" = "$log1" ];
|
||
|
|
then
|
||
|
|
echo "SPE hang test: FAIL"
|
||
|
|
exit 1
|
||
|
|
else
|
||
|
|
echo "SPE hang test: PASS"
|
||
|
|
fi
|
||
|
|
|
||
|
|
exit 0
|