#!/bin/bash# perf header tests# SPDX-License-Identifier: GPL-2.0 set -e err=0perfdata=$(mktemp /tmp/__perf_test_header.perf.data.XXXXX)script_output=$(mktemp /tmp/__perf_test_header.perf.data.XXXXX.script) cleanup() {  rm -f "${perfdata}"  rm -f "${perfdata}".old  rm -f "${script_output}"   trap - EXIT TERM INT} trap_cleanup() {  echo "Unexpected signal in ${FUNCNAME[1]}"  cleanup  exit 1}trap trap_cleanup EXIT TERM INT check_header_output() {  declare -a fields=(    "captured"    "hostname"    "os release"    "arch"    "cpuid"    "nrcpus"    "event"    "cmdline"    "perf version"    "sibling (cores|dies|threads)"    "sibling threads"    "total memory"  )  for i in "${fields[@]}"  do    if ! grep -q -E "$i" "${script_output}"    then      echo "Failed to find expected $i in output"      err=1    fi  done} test_file() {  echo "Test perf header file"   perf record -o "${perfdata}" -- perf test -w noploop  perf report --header-only -I -i "${perfdata}" > "${script_output}"  check_header_output   echo "Test perf header file [Done]"} test_pipe() {  echo "Test perf header pipe"   perf record -o - -- perf test -w noploop | perf report --header-only -I -i - > "${script_output}"  check_header_output   echo "Test perf header pipe [Done]"} test_filetest_pipe cleanupexit $err