#!/bin/bash# perf pipe recording and injection test# SPDX-License-Identifier: GPL-2.0 shelldir=$(dirname "$0")# shellcheck source=lib/perf_has_symbol.sh. "${shelldir}"/lib/perf_has_symbol.sh sym="noploop" skip_test_missing_symbol ${sym} data=$(mktemp /tmp/perf.data.XXXXXX)data2=$(mktemp /tmp/perf.data2.XXXXXX)prog="perf test -w noploop 0.1"[ "$(uname -m)" = "s390x" ] && prog="perf test -w noploop 3"err=0 set -e cleanup() {  rm -rf "${data}"  rm -rf "${data}".old  rm -rf "${data2}"  rm -rf "${data2}".old   trap - EXIT TERM INT} trap_cleanup() {  echo "Unexpected signal in ${FUNCNAME[1]}"  cleanup  exit 1}trap trap_cleanup EXIT TERM INT test_record_report() {  echo  echo "Record+report pipe test"   task="perf"  if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task}  then    echo "Record+report pipe test [Failed - cannot find the test file in the perf report #1]"    err=1    return  fi   if ! perf record -g -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task}  then    echo "Record+report pipe test [Failed - cannot find the test file in the perf report #2]"    err=1    return  fi   perf record -g -e task-clock:u -o - ${prog} > ${data}  if ! perf report -i ${data} --task | grep -q ${task}  then    echo "Record+report pipe test [Failed - cannot find the test file in the perf report #3]"    err=1    return  fi   echo "Record+report pipe test [Success]"} test_inject_bids() {  inject_opt=$1   echo  echo "Inject ${inject_opt} build-ids test"   if ! perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt}| perf report -i - | grep -q ${sym}  then    echo "Inject build-ids test [Failed - cannot find noploop function in pipe #1]"    err=1    return  fi   if ! perf record -g -e task-clock:u -o - ${prog} | perf inject ${inject_opt} | perf report -i - | grep -q ${sym}  then    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #2]"    err=1    return  fi   perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt} -o ${data}  if ! perf report -i ${data} | grep -q ${sym}; then    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #3]"    err=1    return  fi   perf record -e task-clock:u -o ${data} ${prog}  if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #4]"    err=1    return  fi   perf record -e task-clock:u -o - ${prog} > ${data}  if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #5]"    err=1    return  fi   perf record -e task-clock:u -o - ${prog} > ${data}  perf inject ${inject_opt} -i ${data} -o ${data2}  if ! perf report -i ${data2} | grep -q ${sym}; then    echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #6]"    err=1    return  fi   echo "Inject ${inject_opt} build-ids test [Success]"} test_record_reporttest_inject_bids -Btest_inject_bids -btest_inject_bids --buildid-alltest_inject_bids --mmap2-buildid-all cleanupexit $err