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-rw-r--r--tools/perf/tests/perf-time-to-tsc.c40
1 files changed, 31 insertions, 9 deletions
diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c
index d12d0ad81801..4ad0dfbc8b21 100644
--- a/tools/perf/tests/perf-time-to-tsc.c
+++ b/tools/perf/tests/perf-time-to-tsc.c
@@ -47,6 +47,17 @@
} \
}
+static int test__tsc_is_supported(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ if (!TSC_IS_SUPPORTED) {
+ pr_debug("Test not supported on this architecture\n");
+ return TEST_SKIP;
+ }
+
+ return TEST_OK;
+}
+
/**
* test__perf_time_to_tsc - test converting perf time to TSC.
*
@@ -70,7 +81,7 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
struct perf_cpu_map *cpus = NULL;
struct evlist *evlist = NULL;
struct evsel *evsel = NULL;
- int err = -1, ret, i;
+ int err = TEST_FAIL, ret, i;
const char *comm1, *comm2;
struct perf_tsc_conversion tc;
struct perf_event_mmap_page *pc;
@@ -79,10 +90,6 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
u64 test_time, comm1_time = 0, comm2_time = 0;
struct mmap *md;
- if (!TSC_IS_SUPPORTED) {
- pr_debug("Test not supported on this architecture");
- return TEST_SKIP;
- }
threads = thread_map__new(-1, getpid(), UINT_MAX);
CHECK_NOT_NULL__(threads);
@@ -116,6 +123,10 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
evsel->core.attr.enable_on_exec = 0;
}
+ if (evlist__open(evlist) == -ENOENT) {
+ err = TEST_SKIP;
+ goto out_err;
+ }
CHECK__(evlist__open(evlist));
CHECK__(evlist__mmap(evlist, UINT_MAX));
@@ -124,8 +135,8 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su
ret = perf_read_tsc_conversion(pc, &tc);
if (ret) {
if (ret == -EOPNOTSUPP) {
- fprintf(stderr, " (not supported)");
- return 0;
+ pr_debug("perf_read_tsc_conversion is not supported in current kernel\n");
+ err = TEST_SKIP;
}
goto out_err;
}
@@ -191,7 +202,7 @@ next_event:
test_tsc >= comm2_tsc)
goto out_err;
- err = 0;
+ err = TEST_OK;
out_err:
evlist__delete(evlist);
@@ -200,4 +211,15 @@ out_err:
return err;
}
-DEFINE_SUITE("Convert perf time to TSC", perf_time_to_tsc);
+static struct test_case time_to_tsc_tests[] = {
+ TEST_CASE_REASON("TSC support", tsc_is_supported,
+ "This architecture does not support"),
+ TEST_CASE_REASON("Perf time to TSC", perf_time_to_tsc,
+ "perf_read_tsc_conversion is not supported"),
+ { .name = NULL, }
+};
+
+struct test_suite suite__perf_time_to_tsc = {
+ .desc = "Convert perf time to TSC",
+ .test_cases = time_to_tsc_tests,
+};