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>

1 files changed, 6 insertions, 37 deletions

diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c
index 1676e3a11906..1f2908f02389 100644
--- a/tools/perf/tests/bp_signal.c
+++ b/tools/perf/tests/bp_signal.c
@@ -166,6 +166,11 @@ static int test__bp_signal(struct test_suite *test __maybe_unused, int subtest _
 	struct sigaction sa;
 	long long count1, count2, count3;
 
+	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;
@@ -285,40 +290,4 @@ static int test__bp_signal(struct test_suite *test __maybe_unused, int subtest _
 		TEST_OK : TEST_FAIL;
 }
 
-bool test__bp_signal_is_supported(void)
-{
-	/*
-	 * PowerPC and S390 do not support creation of instruction
-	 * breakpoints using the perf_event interface.
-	 *
-	 * ARM requires explicit rounding down of the instruction
-	 * pointer in Thumb mode, and then requires the single-step
-	 * to be handled explicitly in the overflow handler to avoid
-	 * stepping into the SIGIO handler and getting stuck on the
-	 * breakpointed instruction.
-	 *
-	 * Since arm64 has the same issue with arm for the single-step
-	 * handling, this case also gets stuck on the breakpointed
-	 * instruction.
-	 *
-	 * Just disable the test for these architectures until these
-	 * issues are resolved.
-	 */
-#if defined(__powerpc__) || defined(__s390x__) || defined(__arm__) || \
-    defined(__aarch64__)
-	return false;
-#else
-	return true;
-#endif
-}
-
-static struct test_case bp_signal_tests[] = {
-	TEST_CASE("Breakpoint overflow signal handler", bp_signal),
-	{ .name = NULL, }
-};
-
-struct test_suite suite__bp_signal = {
-	.desc = "Breakpoint overflow signal handler",
-	.test_cases = bp_signal_tests,
-	.is_supported = test__bp_signal_is_supported,
-};
+DEFINE_SUITE("Breakpoint overflow signal handler", bp_signal);