perf test: Remove non test case style support.

Convert shell tests to also run using test case style.
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/20211104064208.3156807-19-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/builtin-test.c

@@ -157,9 +157,6 @@ static bool is_supported(const struct test_suite *t)
 
 static test_fnptr test_function(const struct test_suite *t, int subtest)
 {
-	if (t->func)
-		return t->func;
-
 	if (subtest <= 0)
 		return t->test_cases[0].run_case;
 
@@ -413,24 +410,34 @@ static int run_shell_tests(int argc, const char *argv[], int i, int width,
 	for_each_shell_test(entlist, n_dirs, st.dir, ent) {
 		int curr = i++;
 		char desc[256];
-		struct test_suite test = {
-			.desc = shell_test__description(desc, sizeof(desc), st.dir, ent->d_name),
-			.func = shell_test__run,
+		struct test_case test_cases[] = {
+			{
+				.desc = shell_test__description(desc,
+								sizeof(desc),
+								st.dir,
+								ent->d_name),
+				.run_case = shell_test__run,
+			},
+			{ .name = NULL, }
+		};
+		struct test_suite test_suite = {
+			.desc = test_cases[0].desc,
+			.test_cases = test_cases,
 			.priv = &st,
 		};
 
-		if (!perf_test__matches(test.desc, curr, argc, argv))
+		if (!perf_test__matches(test_suite.desc, curr, argc, argv))
 			continue;
 
 		st.file = ent->d_name;
-		pr_info("%2d: %-*s:", i, width, test.desc);
+		pr_info("%2d: %-*s:", i, width, test_suite.desc);
 
 		if (intlist__find(skiplist, i)) {
 			color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
 			continue;
 		}
 
-		test_and_print(&test, false, -1);
+		test_and_print(&test_suite, false, 0);
 	}
 
 	for (e = 0; e < n_dirs; e++)

tools/perf/tests/tests.h

@@ -40,7 +40,6 @@ struct test_case {
 
 struct test_suite {
 	const char *desc;
-	test_fnptr func;
 	struct {
 		bool skip_if_fail;
 	} subtest;