#!/bin/bash# perf c2c tests# SPDX-License-Identifier: GPL-2.0 set -e err=0perfdata=$(mktemp /tmp/__perf_c2c_test.perf.data.XXXXX) cleanup() {	rm -f "${perfdata}"	rm -f "${perfdata}".old	trap - EXIT TERM INT} trap_cleanup() {	echo "Unexpected signal in ${FUNCNAME[1]}"	cleanup	exit 1}trap trap_cleanup EXIT TERM INT check_c2c_support() {	# Check if perf c2c record works.	if ! perf c2c record -o "${perfdata}" -- true > /dev/null 2>&1 ; then		return 1	fi	return 0} test_c2c_record_report() {	echo "c2c record and report test"	if ! check_c2c_support ; then		echo "c2c record and report test [Skipped: perf c2c record failed (possibly missing hardware support)]"		err=2		return	fi 	# Run a workload that does some memory operations.	if ! perf c2c record -o "${perfdata}" -- perf test -w datasym 1 > /dev/null 2>&1 ; then		echo "c2c record and report test [Skipped: perf c2c record failed during workload]"		return	fi 	if ! perf c2c report -i "${perfdata}" --stdio > /dev/null 2>&1 ; then		echo "c2c record and report test [Failed: report failed]"		err=1		return	fi 	if ! perf c2c report -i "${perfdata}" -N > /dev/null 2>&1 ; then		echo "c2c record and report test [Failed: report -N failed]"		err=1		return	fi 	echo "c2c record and report test [Success]"} test_c2c_record_reportcleanupexit $err