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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109#!/bin/bash# perf diff tests# SPDX-License-Identifier: GPL-2.0
set -e
err=0perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX)perfdata2=$(mktemp /tmp/__perf_test.perf.data.XXXXX)perfdata3=$(mktemp /tmp/__perf_test.perf.data.XXXXX)testprog="perf test -w thloop"
shelldir=$(dirname "$0")# shellcheck source=lib/perf_has_symbol.sh. "${shelldir}"/lib/perf_has_symbol.sh
testsym="test_loop"
skip_test_missing_symbol ${testsym}
cleanup() { rm -rf "${perfdata1}" rm -rf "${perfdata1}".old rm -rf "${perfdata2}" rm -rf "${perfdata2}".old rm -rf "${perfdata3}" rm -rf "${perfdata3}".old
trap - EXIT TERM INT}
trap_cleanup() { cleanup exit 1}trap trap_cleanup EXIT TERM INT
make_data() { file="$1" if ! perf record -o "${file}" ${testprog} 2> /dev/null then echo "Workload record [Failed record]" >&2 echo 1 return fi if ! perf report -i "${file}" -q | grep -q "${testsym}" then echo "Workload record [Failed missing output]" >&2 echo 1 return fi echo 0}
test_two_files() { echo "Basic two file diff test" err=$(make_data "${perfdata1}") if [ "$err" != 0 ] then return fi err=$(make_data "${perfdata2}") if [ "$err" != 0 ] then return fi
if ! perf diff "${perfdata1}" "${perfdata2}" | grep -q "${testsym}" then echo "Basic two file diff test [Failed diff]" err=1 return fi echo "Basic two file diff test [Success]"}
test_three_files() { echo "Basic three file diff test" err=$(make_data "${perfdata1}") if [ "$err" != 0 ] then return fi err=$(make_data "${perfdata2}") if [ "$err" != 0 ] then return fi err=$(make_data "${perfdata3}") if [ $err != 0 ] then return fi
if ! perf diff "${perfdata1}" "${perfdata2}" "${perfdata3}" | grep -q "${testsym}" then echo "Basic three file diff test [Failed diff]" err=1 return fi echo "Basic three file diff test [Success]"}
test_two_filestest_three_files
cleanupexit $err