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#!/bin/bash
# perf trace record and replay
# SPDX-License-Identifier: GPL-2.0
# Check that perf trace works with record and replay
. "$(dirname $0)"/lib/probe.sh
. "$(dirname $0)"/lib/perf_record.sh
skip_if_no_perf_trace || exit 2
[ "$(id -u)" = 0 ] || exit 2
file=$(mktemp /tmp/temporary_file.XXXXX)
err=0
cleanup() {
rm -f ${file}
perf_record_cleanup
trap - EXIT INT TERM
}
trap_cleanup() {
echo "Unexpected signal in ${FUNCNAME[1]}"
cleanup
exit 1
}
trap trap_cleanup EXIT INT TERM
check_nanosleep() {
perf trace -i "${file}" 2>&1 | grep -q nanosleep
}
PERF_RECORD_CMD="perf trace record" perf_record_with_retry "${file}" "check_nanosleep" "sleep"
err=$?
if [ $err -ne 0 ]; then
if [ $err -eq 2 ]; then
logfile="${PERF_RECORD_LOGS[${#PERF_RECORD_LOGS[@]}-1]}"
echo "perf trace record failed. Log output:"
cat "$logfile"
else
echo "Failed: cannot find *nanosleep syscall"
fi
cleanup
exit 1
fi
cleanup
exit 0
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