HEX
Server: nginx/1.24.0
System: Linux webserver 6.8.0-85-generic #85-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 18 15:26:59 UTC 2025 x86_64
User: wpuser (1002)
PHP: 8.3.6
Disabled: NONE
Upload Files
File: //usr/src/linux-headers-6.8.0-85/tools/perf/tests/shell/pipe_test.sh
#!/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