1#!/bin/sh 2# perf pipe recording and injection test 3# SPDX-License-Identifier: GPL-2.0 4 5shelldir=$(dirname "$0") 6# shellcheck source=lib/perf_has_symbol.sh 7. "${shelldir}"/lib/perf_has_symbol.sh 8 9sym="noploop" 10 11skip_test_missing_symbol ${sym} 12 13data=$(mktemp /tmp/perf.data.XXXXXX) 14prog="perf test -w noploop" 15task="perf" 16 17if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep ${task}; then 18 echo "cannot find the test file in the perf report" 19 exit 1 20fi 21 22if ! perf record -e task-clock:u -o - ${prog} | perf inject -b | perf report -i - | grep ${sym}; then 23 echo "cannot find noploop function in pipe #1" 24 exit 1 25fi 26 27perf record -e task-clock:u -o - ${prog} | perf inject -b -o ${data} 28if ! perf report -i ${data} | grep ${sym}; then 29 echo "cannot find noploop function in pipe #2" 30 exit 1 31fi 32 33perf record -e task-clock:u -o ${data} ${prog} 34if ! perf inject -b -i ${data} | perf report -i - | grep ${sym}; then 35 echo "cannot find noploop function in pipe #3" 36 exit 1 37fi 38 39 40rm -f ${data} ${data}.old 41exit 0 42