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diff.sh
#!/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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