From: Petar Gligoric Date: Tue, 6 Dec 2022 15:44:06 +0000 (-0500) Subject: perf test: add new task-analyzer tests X-Git-Tag: v6.2-rc1~64^2~10 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e8478b84d6ba9ccfac15dfce103062c4fa7ded2f;p=linux-block.git perf test: add new task-analyzer tests Provide task-analyzer test cases for all possible arguments and a subset of possible combinations. 12 Tests in total. test_basic: - cmd:"perf script report task-analyzer" - Fundamental test of script without arguments. - Check for standard output. test_ns_rename: - cmd:"perf script report task-analyzer --ns --rename-comms-by-tids 0:random" - Standard task with timestamps in nanoseconds and comm renamed. - Check for standard output. test_ms_filtertasks_highlight: - cmd:"perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf" - Standard task with timestamps in milliseconds, task filtered out and highlighted. - Check for standard output. test_extended_times_timelimit_limittasks: - cmd "perf script report task-analyzer --extended-times --time-limit :99999" - Standard task with additional schedule out/in info and timlimit active at 99999. - Check for extended table output. test_summary: - cmd:"perf script report task-analyzer --summary" - Standard task with additional summary output. - Check for summary print. test_summary_extended: - cmd:"perf script report task-analyzer --summary-extended" - Standard task with summary and additional schedule in/out info. - Chceck for extended table print. test_summaryonly: - cmd:"perf script report task-analyzer --summary-only" - Only summary should be printed. - Check for summary print. test_extended_times_summary_ns: - cmd:"perf script report task-analyzer --extended-times --summary --ns" - Standard task with extended schedule in/out information and summary in ns. - Check for extended table and summary. test_csv: - cmd:"perf script report task-analyzer --csv csv" - Print standard task to csv file in csv format. - Check for csv format. test_csv_extended_times: - cmd:"perf script report task-analyzer --csv csv --extended-times" - Print standard task to csv file in csv format with additional schedule in/out information. - Check for additional information and csv format. test_csvsummary: - cmd:"perf script report task-analyzer --csv-summary csvsummary" - Print summary to csvsummary file in csv format. - Check for csv format. test_csvsummary_extended: - cmd:"perf script report task-analyzer --csv-summary csvsummary --summary-extended" - Print summary to csvsummary file in csv format with additional schedule in/out information. - Check for additional information and csv format. Suggested-by: Ian Rogers Signed-off-by: Petar Gligoric Cc: Andi Kleen Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lore.kernel.org/r/20221206154406.41941-4-petar.gligor@gmail.com Signed-off-by: Hagen Paul Pfeifer Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/tests/shell/test_task_analyzer.sh b/tools/perf/tests/shell/test_task_analyzer.sh new file mode 100755 index 000000000000..a98e4ab66040 --- /dev/null +++ b/tools/perf/tests/shell/test_task_analyzer.sh @@ -0,0 +1,151 @@ +#!/bin/bash +# perf script task-analyzer tests +# SPDX-License-Identifier: GPL-2.0 + +tmpdir=$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX) +err=0 + +cleanup() { + rm -f perf.data + rm -f perf.data.old + rm -f csv + rm -f csvsummary + rm -rf $tmpdir + trap - exit term int +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup exit term int + +report() { + if [ $1 = 0 ]; then + echo "PASS: \"$2\"" + else + echo "FAIL: \"$2\" Error message: \"$3\"" + err=1 + fi +} + +check_exec_0() { + if [ $? != 0 ]; then + report 1 "invokation of ${$1} command failed" + fi +} + +find_str_or_fail() { + grep -q "$1" $2 + if [ $? != 0 ]; then + report 1 $3 "Failed to find required string:'${1}'." + else + report 0 $3 + fi +} + +prepare_perf_data() { + # 1s should be sufficient to catch at least some switches + perf record -e sched:sched_switch -a -- sleep 1 > /dev/null 2>&1 +} + +# check standard inkvokation with no arguments +test_basic() { + out="$tmpdir/perf.out" + perf script report task-analyzer > $out + check_exec_0 "perf" + find_str_or_fail "Comm" $out ${FUNCNAME[0]} +} + +test_ns_rename(){ + out="$tmpdir/perf.out" + perf script report task-analyzer --ns --rename-comms-by-tids 0:random > $out + check_exec_0 "perf" + find_str_or_fail "Comm" $out ${FUNCNAME[0]} +} + +test_ms_filtertasks_highlight(){ + out="$tmpdir/perf.out" + perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf \ + > $out + check_exec_0 "perf" + find_str_or_fail "Comm" $out ${FUNCNAME[0]} +} + +test_extended_times_timelimit_limittasks() { + out="$tmpdir/perf.out" + perf script report task-analyzer --extended-times --time-limit :99999 \ + --limit-to-tasks perf > $out + check_exec_0 "perf" + find_str_or_fail "Out-Out" $out ${FUNCNAME[0]} +} + +test_summary() { + out="$tmpdir/perf.out" + perf script report task-analyzer --summary > $out + check_exec_0 "perf" + find_str_or_fail "Summary" $out ${FUNCNAME[0]} +} + +test_summaryextended() { + out="$tmpdir/perf.out" + perf script report task-analyzer --summary-extended > $out + check_exec_0 "perf" + find_str_or_fail "Inter Task Times" $out ${FUNCNAME[0]} +} + +test_summaryonly() { + out="$tmpdir/perf.out" + perf script report task-analyzer --summary-only > $out + check_exec_0 "perf" + find_str_or_fail "Summary" $out ${FUNCNAME[0]} +} + +test_extended_times_summary_ns() { + out="$tmpdir/perf.out" + perf script report task-analyzer --extended-times --summary --ns > $out + check_exec_0 "perf" + find_str_or_fail "Out-Out" $out ${FUNCNAME[0]} + find_str_or_fail "Summary" $out ${FUNCNAME[0]} +} + +test_csv() { + perf script report task-analyzer --csv csv > /dev/null + check_exec_0 "perf" + find_str_or_fail "Comm;" csv ${FUNCNAME[0]} +} + +test_csv_extended_times() { + perf script report task-analyzer --csv csv --extended-times > /dev/null + check_exec_0 "perf" + find_str_or_fail "Out-Out;" csv ${FUNCNAME[0]} +} + +test_csvsummary() { + perf script report task-analyzer --csv-summary csvsummary > /dev/null + check_exec_0 "perf" + find_str_or_fail "Comm;" csvsummary ${FUNCNAME[0]} +} + +test_csvsummary_extended() { + perf script report task-analyzer --csv-summary csvsummary --summary-extended \ + >/dev/null + check_exec_0 "perf" + find_str_or_fail "Out-Out;" csvsummary ${FUNCNAME[0]} +} + +prepare_perf_data +test_basic +test_ns_rename +test_ms_filtertasks_highlight +test_extended_times_timelimit_limittasks +test_summary +test_summaryextended +test_summaryonly +test_extended_times_summary_ns +test_csv +test_csvsummary +test_csv_extended_times +test_csvsummary_extended +cleanup +exit $err