perf test: TSC test, 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 <[email protected]>
Tested-by: Sohaib Mohamed <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Daniel Latypov <[email protected]>
Cc: David Gow <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: John Garry <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Clarke <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: captain5050

tools/perf/tests/perf-time-to-tsc.c

@@ -23,6 +23,16 @@
 #include "pmu.h"
 #include "pmu-hybrid.h"
 
+/*
+ * Except x86_64/i386 and Arm64, other archs don't support TSC in perf.  Just
+ * enable the test for x86_64/i386 and Arm64 archs.
+ */
+#if defined(__x86_64__) || defined(__i386__) || defined(__aarch64__)
+#define TSC_IS_SUPPORTED 1
+#else
+#define TSC_IS_SUPPORTED 0
+#endif
+
 #define CHECK__(x) {				\
 	while ((x) < 0) {			\
 		pr_debug(#x " failed!\n");	\
@@ -69,6 +79,11 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
 	u64 test_time, comm1_time = 0, comm2_time = 0;
 	struct mmap *md;
 
+	if (!TSC_IS_SUPPORTED) {
+		pr_debug("Test not supported on this architecture");
+		return TEST_SKIP;
+	}
+
 	threads = thread_map__new(-1, getpid(), UINT_MAX);
 	CHECK_NOT_NULL__(threads);
 
@@ -185,26 +200,4 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
 	return err;
 }
 
-static bool test__tsc_is_supported(void)
-{
-	/*
-	 * Except x86_64/i386 and Arm64, other archs don't support TSC in perf.
-	 * Just enable the test for x86_64/i386 and Arm64 archs.
-	 */
-#if defined(__x86_64__) || defined(__i386__) || defined(__aarch64__)
-	return true;
-#else
-	return false;
-#endif
-}
-
-static struct test_case perf_time_to_tsc_tests[] = {
-	TEST_CASE("Convert perf time to TSC", perf_time_to_tsc),
-	{ .name = NULL, }
-};
-
-struct test_suite suite__perf_time_to_tsc = {
-	.desc = "Convert perf time to TSC",
-	.test_cases = perf_time_to_tsc_tests,
-	.is_supported = test__tsc_is_supported,
-};
+DEFINE_SUITE("Convert perf time to TSC", perf_time_to_tsc);