perf test: BP tests, remove is_supported use

Migrate the is_supported functionality to returning TEST_SKIP.
Motivation is kunit has no is_supported function.

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/20211104064208.3156807-20-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/bp_signal_overflow.c b/tools/perf/tests/bp_signal_overflow.c
index bc1f138..4e897c2 100644
--- a/tools/perf/tests/bp_signal_overflow.c
+++ b/tools/perf/tests/bp_signal_overflow.c
@@ -66,6 +66,11 @@ static int test__bp_signal_overflow(struct test_suite *test __maybe_unused, int
 	long long count;
 	int fd, i, fails = 0;
 
+	if (!BP_SIGNAL_IS_SUPPORTED) {
+		pr_debug("Test not supported on this architecture");
+		return TEST_SKIP;
+	}
+
 	/* setup SIGIO signal handler */
 	memset(&sa, 0, sizeof(struct sigaction));
 	sa.sa_sigaction = (void *) sig_handler;
@@ -134,13 +139,4 @@ static int test__bp_signal_overflow(struct test_suite *test __maybe_unused, int
 	return fails ? TEST_FAIL : TEST_OK;
 }
 
-static struct test_case bp_signal_overflow_tests[] = {
-	TEST_CASE("Breakpoint overflow sampling", bp_signal_overflow),
-	{ .name = NULL, }
-};
-
-struct test_suite suite__bp_signal_overflow = {
-	.desc = "Breakpoint overflow sampling",
-	.test_cases = bp_signal_overflow_tests,
-	.is_supported = test__bp_signal_is_supported,
-};
+DEFINE_SUITE("Breakpoint overflow sampling", bp_signal_overflow);