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Subject[PATCH v5 2/2] perf tests tsc: Add checking helper is_supported()
Date
So far tsc is enabled on x86_64, i386 and Arm64 architectures, add
checking helper to skip this testing for other architectures.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
tools/perf/tests/builtin-test.c | 1 +
tools/perf/tests/perf-time-to-tsc.c | 13 +++++++++++++
tools/perf/tests/tests.h | 1 +
3 files changed, 15 insertions(+)

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 0abb5ce88962..60682e945f9b 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -348,6 +348,7 @@ static struct test generic_tests[] = {
{
.desc = "Convert perf time to TSC",
.func = test__perf_time_to_tsc,
+ .is_supported = test__tsc_is_supported,
},
{
.func = NULL,
diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c
index aee97c16c0d9..a9560e0f6360 100644
--- a/tools/perf/tests/perf-time-to-tsc.c
+++ b/tools/perf/tests/perf-time-to-tsc.c
@@ -169,3 +169,16 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
evlist__delete(evlist);
return err;
}
+
+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
+}
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 60a1c317b8db..9f1eedb21eee 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -128,6 +128,7 @@ int test__perf_time_to_tsc(struct test *test, int subtest);
bool test__bp_signal_is_supported(void);
bool test__bp_account_is_supported(void);
bool test__wp_is_supported(void);
+bool test__tsc_is_supported(void);

#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
--
2.17.1
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