perf test: Remove is_supported function

All tests now return TEST_SKIP if not supported. Removing this function
brings perf's test_suite struct more inline with kunit.
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/20211104064208.3156807-22-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/builtin-test.c

@@ -150,11 +150,6 @@ static const char *test_description(const struct test_suite *t, int subtest)
 	return t->desc;
 }
 
-static bool is_supported(const struct test_suite *t)
-{
-	return !t->is_supported || t->is_supported();
-}
-
 static test_fnptr test_function(const struct test_suite *t, int subtest)
 {
 	if (subtest <= 0)
@@ -480,12 +475,6 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
 				continue;
 		}
 
-		if (!is_supported(t)) {
-			pr_debug("%2d: %-*s: Disabled\n", i, width,
-				 test_description(t, -1));
-			continue;
-		}
-
 		pr_info("%2d: %-*s:", i, width, test_description(t, -1));
 
 		if (intlist__find(skiplist, i)) {
@@ -583,8 +572,7 @@ static int perf_test__list(int argc, const char **argv)
 	for_each_test(j, k, t) {
 		int curr = i++;
 
-		if (!perf_test__matches(test_description(t, -1), curr, argc, argv) ||
-		    !is_supported(t))
+		if (!perf_test__matches(test_description(t, -1), curr, argc, argv))
 			continue;
 
 		pr_info("%2d: %s\n", i, test_description(t, -1));

tools/perf/tests/tests.h

@@ -44,7 +44,6 @@ struct test_suite {
 		bool skip_if_fail;
 	} subtest;
 	struct test_case *test_cases;
-	bool (*is_supported)(void);
 	void *priv;
 };