diff options
Diffstat (limited to 'tools')
-rwxr-xr-x | tools/perf/tests/shell/lock_contention.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index f2cc187b6186..4a194420416e 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -233,6 +233,41 @@ test_aggr_task_stack_filter() fi } +test_csv_output() +{ + echo "Testing perf lock contention CSV output" + perf lock contention -i ${perfdata} -E 1 -x , --output ${result} + # count the number of commas in the header + # it should have 5: contended, total-wait, max-wait, avg-wait, type, caller + header=$(grep "# output:" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "5" ]; then + echo "[Fail] Recorded result does not have enough output columns: ${header} != 5" + err=1 + exit + fi + # count the number of commas in the output + output=$(grep -v "^#" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "${output}" ]; then + echo "[Fail] Recorded result does not match the number of commas: ${header} != ${output}" + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -E 1 -x , --output ${result} -- perf bench sched messaging > /dev/null 2>&1 + output=$(grep -v "^#" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "${output}" ]; then + echo "[Fail] BPF result does not match the number of commas: ${header} != ${output}" + err=1 + exit + fi +} + check test_record @@ -244,5 +279,6 @@ test_type_filter test_lock_filter test_stack_filter test_aggr_task_stack_filter +test_csv_output exit ${err} |