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3a86d63e6f
When make_data fails its error message needs to go to stderr rather than stdout and the stdout value is captured in a variable. Quote the $err value so that it is always a valid input for test. This error is commonly encountered if no sample data is gathered by the test. Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250312001841.1515779-1-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
109 lines
1.9 KiB
Bash
Executable File
109 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# perf diff tests
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# SPDX-License-Identifier: GPL-2.0
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set -e
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err=0
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perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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perfdata2=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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perfdata3=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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testprog="perf test -w thloop"
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shelldir=$(dirname "$0")
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# shellcheck source=lib/perf_has_symbol.sh
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. "${shelldir}"/lib/perf_has_symbol.sh
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testsym="test_loop"
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skip_test_missing_symbol ${testsym}
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cleanup() {
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rm -rf "${perfdata1}"
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rm -rf "${perfdata1}".old
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rm -rf "${perfdata2}"
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rm -rf "${perfdata2}".old
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rm -rf "${perfdata3}"
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rm -rf "${perfdata3}".old
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trap - EXIT TERM INT
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}
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trap_cleanup() {
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cleanup
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exit 1
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}
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trap trap_cleanup EXIT TERM INT
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make_data() {
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file="$1"
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if ! perf record -o "${file}" ${testprog} 2> /dev/null
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then
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echo "Workload record [Failed record]" >&2
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echo 1
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return
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fi
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if ! perf report -i "${file}" -q | grep -q "${testsym}"
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then
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echo "Workload record [Failed missing output]" >&2
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echo 1
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return
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fi
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echo 0
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}
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test_two_files() {
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echo "Basic two file diff test"
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err=$(make_data "${perfdata1}")
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if [ "$err" != 0 ]
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then
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return
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fi
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err=$(make_data "${perfdata2}")
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if [ "$err" != 0 ]
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then
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return
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fi
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if ! perf diff "${perfdata1}" "${perfdata2}" | grep -q "${testsym}"
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then
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echo "Basic two file diff test [Failed diff]"
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err=1
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return
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fi
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echo "Basic two file diff test [Success]"
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}
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test_three_files() {
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echo "Basic three file diff test"
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err=$(make_data "${perfdata1}")
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if [ "$err" != 0 ]
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then
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return
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fi
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err=$(make_data "${perfdata2}")
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if [ "$err" != 0 ]
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then
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return
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fi
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err=$(make_data "${perfdata3}")
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if [ $err != 0 ]
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then
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return
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fi
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if ! perf diff "${perfdata1}" "${perfdata2}" "${perfdata3}" | grep -q "${testsym}"
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then
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echo "Basic three file diff test [Failed diff]"
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err=1
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return
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fi
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echo "Basic three file diff test [Success]"
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}
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test_two_files
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test_three_files
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cleanup
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exit $err
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