perf test: Convert pmu event tests to test cases.

Use null terminated array of test cases rather than the previous sub
test functions.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Daniel Latypov <dlatypov@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20211104064208.3156807-11-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 954d705..df1c9a3 100644 (file)
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -418,7 +418,8 @@ static int compare_alias_to_test_event(struct perf_pmu_alias *alias,
 }
 
 /* Verify generated events from pmu-events.c are as expected */
-static int test_pmu_event_table(void)
+static int test__pmu_event_table(struct test_suite *test __maybe_unused,
+                                int subtest __maybe_unused)
 {
        const struct pmu_event *sys_event_tables = __test_pmu_get_sys_events_table();
        const struct pmu_events_map *map = __test_pmu_get_events_map();
@@ -705,7 +706,8 @@ static struct perf_pmu_test_pmu test_pmus[] = {
 };
 
 /* Test that aliases generated are as expected */
-static int test_aliases(void)
+static int test__aliases(struct test_suite *test __maybe_unused,
+                       int subtest __maybe_unused)
 {
        struct perf_pmu *pmu = NULL;
        unsigned long i;
@@ -892,7 +894,8 @@ out_err:
 
 }
 
-static int test_parsing(void)
+static int test__parsing(struct test_suite *test __maybe_unused,
+                        int subtest __maybe_unused)
 {
        const struct pmu_events_map *cpus_map = pmu_events_map__find();
        const struct pmu_events_map *map;
@@ -1034,7 +1037,8 @@ out:
  * or all defined cpus via the 'fake_pmu'
  * in parse_events.
  */
-static int test_parsing_fake(void)
+static int test__parsing_fake(struct test_suite *test __maybe_unused,
+                             int subtest __maybe_unused)
 {
        const struct pmu_events_map *map;
        const struct pmu_event *pe;
@@ -1068,66 +1072,16 @@ static int test_parsing_fake(void)
        return 0;
 }
 
-static const struct {
-       int (*func)(void);
-       const char *desc;
-} pmu_events_testcase_table[] = {
-       {
-               .func = test_pmu_event_table,
-               .desc = "PMU event table sanity",
-       },
-       {
-               .func = test_aliases,
-               .desc = "PMU event map aliases",
-       },
-       {
-               .func = test_parsing,
-               .desc = "Parsing of PMU event table metrics",
-       },
-       {
-               .func = test_parsing_fake,
-               .desc = "Parsing of PMU event table metrics with fake PMUs",
-       },
+static struct test_case pmu_events_tests[] = {
+       TEST_CASE("PMU event table sanity", pmu_event_table),
+       TEST_CASE("PMU event map aliases", aliases),
+       TEST_CASE_REASON("Parsing of PMU event table metrics", parsing,
+                        "some metrics failed"),
+       TEST_CASE("Parsing of PMU event table metrics with fake PMUs", parsing_fake),
+       { .name = NULL, }
 };
 
-static const char *test__pmu_events_subtest_get_desc(int subtest)
-{
-       if (subtest < 0 ||
-           subtest >= (int)ARRAY_SIZE(pmu_events_testcase_table))
-               return NULL;
-       return pmu_events_testcase_table[subtest].desc;
-}
-
-static const char *test__pmu_events_subtest_skip_reason(int subtest)
-{
-       if (subtest < 0 ||
-           subtest >= (int)ARRAY_SIZE(pmu_events_testcase_table))
-               return NULL;
-       if (pmu_events_testcase_table[subtest].func != test_parsing)
-               return NULL;
-       return "some metrics failed";
-}
-
-static int test__pmu_events_subtest_get_nr(void)
-{
-       return (int)ARRAY_SIZE(pmu_events_testcase_table);
-}
-
-static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest)
-{
-       if (subtest < 0 ||
-           subtest >= (int)ARRAY_SIZE(pmu_events_testcase_table))
-               return TEST_FAIL;
-       return pmu_events_testcase_table[subtest].func();
-}
-
 struct test_suite suite__pmu_events = {
        .desc = "PMU events",
-       .func = test__pmu_events,
-       .subtest = {
-               .skip_if_fail   = false,
-               .get_nr         = test__pmu_events_subtest_get_nr,
-               .get_desc       = test__pmu_events_subtest_get_desc,
-               .skip_reason    = test__pmu_events_subtest_skip_reason,
-       },
+       .test_cases = pmu_events_tests,
 };