Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 4/4] perf test: Update perf lock contention test | Date | Fri, 9 Dec 2022 11:07:27 -0800 |
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Add test cases for the task and addr aggregation modes.
$ sudo ./perf test -v contention 86: kernel lock contention analysis test : --- start --- test child forked, pid 680006 Testing perf lock record and perf lock contention Testing perf lock contention --use-bpf Testing perf lock record and perf lock contention at the same time Testing perf lock contention --threads Testing perf lock contention --lock-addr test child finished with 0 ---- end ---- kernel lock contention analysis test: Ok
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/tests/shell/lock_contention.sh | 48 +++++++++++++++++++++++ 1 file changed, 48 insertions(+)
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index f7bd0d8eb5c3..cc9ceb9e19ca 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -77,10 +77,58 @@ test_record_concurrent() fi } +test_aggr_task() +{ + echo "Testing perf lock contention --threads" + perf lock contention -i ${perfdata} -t -E 1 -q 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -t -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi +} + +test_aggr_addr() +{ + echo "Testing perf lock contention --lock-addr" + perf lock contention -i ${perfdata} -l -E 1 -q 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -t -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi +} + check test_record test_bpf test_record_concurrent +test_aggr_task +test_aggr_addr exit ${err} -- 2.39.0.rc1.256.g54fd8350bd-goog
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