Messages in this thread Patch in this message | | | From | Leo Yan <> | Subject | [PATCH v5 2/2] perf tests tsc: Add checking helper is_supported() | Date | Thu, 24 Sep 2020 23:18:15 +0800 |
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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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