Commit 248dd9b5 authored by Leo Yan's avatar Leo Yan Committed by Arnaldo Carvalho de Melo
Browse files

perf tests tsc: Add checking helper is_supported() 



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: default avatarLeo Yan <leo.yan@linaro.org>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20201019100236.23675-3-leo.yan@linaro.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3989bbf9

tools/perf/tests/builtin-test.c

+1 −0
Original line number Diff line number Diff line
@@ -352,6 +352,7 @@ 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,

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

+13 −0
Original line number Diff line number Diff line
@@ -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

}

tools/perf/tests/tests.h

+1 −0
Original line number Diff line number Diff line
@@ -129,6 +129,7 @@ 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