perf test: Remove now unused subtest helpers

Replaced by null terminated test case array.
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/20211104064208.3156807-16-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/builtin-test.c

@@ -119,9 +119,6 @@ static int num_subtests(const struct test_suite *t)
 {
 	int num;
 
-	if (t->subtest.get_nr)
-		return t->subtest.get_nr();
-
 	if (!t->test_cases)
 		return 0;
 
@@ -134,14 +131,11 @@ static int num_subtests(const struct test_suite *t)
 
 static bool has_subtests(const struct test_suite *t)
 {
-	return t->subtest.get_nr || num_subtests(t) > 1;
+	return num_subtests(t) > 1;
 }
 
 static const char *skip_reason(const struct test_suite *t, int subtest)
 {
-	if (t->subtest.skip_reason)
-		return t->subtest.skip_reason(subtest);
-
 	if (t->test_cases && subtest >= 0)
 		return t->test_cases[subtest].skip_reason;
 
@@ -153,9 +147,6 @@ static const char *test_description(const struct test_suite *t, int subtest)
 	if (t->test_cases && subtest >= 0)
 		return t->test_cases[subtest].desc;
 
-	if (t->subtest.get_desc && subtest >= 0)
-		return t->subtest.get_desc(subtest);
-
 	return t->desc;
 }
 

tools/perf/tests/tests.h

@@ -43,9 +43,6 @@ struct test_suite {
 	test_fnptr func;
 	struct {
 		bool skip_if_fail;
-		int (*get_nr)(void);
-		const char *(*get_desc)(int subtest);
-		const char *(*skip_reason)(int subtest);
 	} subtest;
 	struct test_case *test_cases;
 	bool (*is_supported)(void);