#!/bin/sh # 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) prog="perf test -w noploop" task="perf" if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep ${task}; then echo "cannot find the test file in the perf report" exit 1 fi if ! perf record -e task-clock:u -o - ${prog} | perf inject -b | perf report -i - | grep ${sym}; then echo "cannot find noploop function in pipe #1" exit 1 fi perf record -e task-clock:u -o - ${prog} | perf inject -b -o ${data} if ! perf report -i ${data} | grep ${sym}; then echo "cannot find noploop function in pipe #2" exit 1 fi perf record -e task-clock:u -o ${data} ${prog} if ! perf inject -b -i ${data} | perf report -i - | grep ${sym}; then echo "cannot find noploop function in pipe #3" exit 1 fi rm -f ${data} ${data}.old exit 0