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#!/bin/sh
# perf diff tests
# SPDX-License-Identifier: GPL-2.0
set -e
err=0
perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
perfdata2=$(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}" ${testprog} 2> /dev/null
then
echo "Workload record [Failed record]"
echo 1
return
fi
if ! perf report -i "${file}" -q | grep -q "${testsym}"
then
echo "Workload record [Failed missing output]"
echo 1
return
fi
echo 0
}
test_two_files() {
echo "Basic two file diff test"
err=$(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_files
test_three_files
cleanup
exit $err
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