[PATCH v2 1/3] perf test: Check test suite description properly

Namhyung Kim
2025-07-01T20:10:28Z

Currently perf test checks the given string with descriptions for both
test suites and cases (subtests). But sometimes it's confusing since
the subtests don't contain the important keyword.

I think it's better to check the suite level and run the whole suite
together if it matches description in the suite.

Before:
$ perf test hwmon
(no output)

After:
$ perf test hwmon
10: Hwmon PMU :
10.1: Basic parsing test : Ok
10.2: Parsing without PMU name : Ok
10.3: Parsing with PMU name : Ok

And keep the existing behavior when it only matches test description only.

$ perf test "Equal cpu map"
39.5: Equal cpu map : Ok

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/tests/builtin-test.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 80375ca39a37a256..846c9b3a732c9b3a 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -539,6 +539,7 @@ static int __cmd_test(struct test_suite **suites, int argc, const char *argv[],

for (struct test_suite **t = suites; *t; t++, curr_suite++) {
int curr_test_case;
+ bool suite_matched = false;

if (!perf_test__matches(test_description(*t, -1), curr_suite, argc, argv)) {
/*
@@ -556,6 +557,8 @@ static int __cmd_test(struct test_suite **suites, int argc, const char *argv[],
}
if (skip)
continue;
+ } else {
+ suite_matched = true;
}

if (intlist__find(skiplist, curr_suite + 1)) {
@@ -567,10 +570,10 @@ static int __cmd_test(struct test_suite **suites, int argc, const char *argv[],

for (unsigned int run = 0; run < runs_per_test; run++) {
test_suite__for_each_test_case(*t, curr_test_case) {
- if (!perf_test__matches(test_description(*t, curr_test_case),
+ if (!suite_matched &&
+ !perf_test__matches(test_description(*t, curr_test_case),
curr_suite, argc, argv))
continue;
-
err = start_test(*t, curr_suite, curr_test_case,
&child_tests[child_test_num++],
width, pass);
--
2.50.0.727.gbf7dc18ff4-goog