[PATCH 4/7] perf test: Basic mmap use skip

[Ian Rogers]

If opening the first event fails for basic mmap it is more likely
permission related that a true error. Mark the test as skip in this
case and add a skip reason.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/tests/mmap-basic.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index c3c17600f29c..32f0a63fa157 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -31,7 +31,7 @@
  */
 static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
 {
-	int err = -1;
+	int err = TEST_FAIL;
 	union perf_event *event;
 	struct perf_thread_map *threads;
 	struct perf_cpu_map *cpus;
@@ -83,6 +83,14 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest
 		evsels[i] = evsel__newtp("syscalls", name);
 		if (IS_ERR(evsels[i])) {
 			pr_debug("evsel__new(%s)\n", name);
+			if (i == 0) {
+				/*
+				 * Failure to open first event is more likely
+				 * related to permissions so flag the failure as
+				 * a skip.
+				 */
+				err = TEST_SKIP;
+			}
 			goto out_delete_evlist;
 		}
 
@@ -166,4 +174,14 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest
 	return err;
 }
 
-DEFINE_SUITE("Read samples using the mmap interface", basic_mmap);
+static struct test_case tests__basic_mmap[] = {
+	TEST_CASE_REASON("Read samples using the mmap interface",
+			 basic_mmap,
+			 "permissions"),
+	{	.name = NULL, }
+};
+
+struct test_suite suite__basic_mmap = {
+	.desc = "Read samples using the mmap interface",
+	.test_cases = tests__basic_mmap,
+};
-- 
2.36.0.550.gb090851708-goog