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author | Leo Yan <leo.yan@linaro.org> | 2020-10-19 18:02:36 +0800 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-04 09:42:40 -0300 |
commit | 248dd9b591db5bc5fb46a0e015753cfcfe60a345 (patch) | |
tree | 30b8b92b1f7a98d74bf27df5ce3989e0eb6dab4f /tools/perf/tests/perf-time-to-tsc.c | |
parent | 3989bbf9607d6716900d9df91c46a2ce8a504b93 (diff) | |
download | lwn-248dd9b591db5bc5fb46a0e015753cfcfe60a345.tar.gz lwn-248dd9b591db5bc5fb46a0e015753cfcfe60a345.zip |
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>
Diffstat (limited to 'tools/perf/tests/perf-time-to-tsc.c')
-rw-r--r-- | tools/perf/tests/perf-time-to-tsc.c | 13 |
1 files changed, 13 insertions, 0 deletions
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 @@ out_err: 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 +} |