perf test: Test perf lock contention CSV output

[platform/kernel/linux-starfive.git] / tools / perf / tests / shell / lock_contention.sh

diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh
index f2cc187..4a19442 100755 (executable)
--- 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}