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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: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20201019100236.23675-3-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2020-10-19 18:02:36 +08:00 committed by Arnaldo Carvalho de Melo
parent 3989bbf960
commit 248dd9b591
3 changed files with 15 additions and 0 deletions
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1
tools/perf/tests/builtin-test.c
View File

@ -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,

13
tools/perf/tests/perf-time-to-tsc.c
View File

@ -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
}

1
tools/perf/tests/tests.h
View File

@ -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