#!/bin/sh# perf script tests# SPDX-License-Identifier: GPL-2.0 set -e temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX) perfdatafile="${temp_dir}/perf.data"db_test="${temp_dir}/db_test.py" err=0 cleanup(){	trap - EXIT TERM INT	sane=$(echo "${temp_dir}" | cut -b 1-21)	if [ "${sane}" = "/tmp/perf-test-script" ] ; then		echo "--- Cleaning up ---"		rm -rf "${temp_dir:?}/"*		rmdir "${temp_dir}"	fi} trap_cleanup(){	cleanup	exit 1} trap trap_cleanup EXIT TERM INT  test_db(){	echo "DB test" 	# Check if python script is supported        if perf version --build-options | grep python | grep -q OFF ; then		echo "SKIP: python scripting is not supported"		err=2		return	fi 	cat << "_end_of_file_" > "${db_test}"perf_db_export_mode = Trueperf_db_export_calls = Falseperf_db_export_callchains = True def sample_table(*args):    print(f'sample_table({args})') def call_path_table(*args):    print(f'call_path_table({args}')_end_of_file_	case $(uname -m)	in s390x)		cmd_flags="--call-graph dwarf -e cpu-clock";;	*)		cmd_flags="-g";;	esac 	perf record $cmd_flags -o "${perfdatafile}" true	perf script -i "${perfdatafile}" -s "${db_test}"	echo "DB test [Success]"} test_parallel_perf(){	echo "parallel-perf test"	if ! python3 --version >/dev/null 2>&1 ; then		echo "SKIP: no python3"		err=2		return	fi	pp=$(dirname "$0")/../../scripts/python/parallel-perf.py	if [ ! -f "${pp}" ] ; then		echo "SKIP: parallel-perf.py script not found "		err=2		return	fi	perf_data="${temp_dir}/pp-perf.data"	output1_dir="${temp_dir}/output1"	output2_dir="${temp_dir}/output2"	perf record -o "${perf_data}" --sample-cpu uname	python3 "${pp}" -o "${output1_dir}" --jobs 4 --verbose -- perf script -i "${perf_data}"	python3 "${pp}" -o "${output2_dir}" --jobs 4 --verbose --per-cpu -- perf script -i "${perf_data}"	echo "parallel-perf test [Success]"} test_dbtest_parallel_perf cleanup exit $err