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authorLeo Yan <leo.yan@linaro.org>2020-10-19 18:02:36 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-11-04 09:42:40 -0300
commit248dd9b591db5bc5fb46a0e015753cfcfe60a345 (patch)
tree30b8b92b1f7a98d74bf27df5ce3989e0eb6dab4f /tools/perf/tests/perf-time-to-tsc.c
parent3989bbf9607d6716900d9df91c46a2ce8a504b93 (diff)
downloadlwn-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.c13
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
+}