[PATCH v2 2/8] perf test: Use skip in vmlinux kallsyms

[Ian Rogers]

Currently failures in reading vmlinux or kallsyms result in a test
failure. However, the failure is typically permission related. Prefer to
flag these failures as skip.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/tests/vmlinux-kallsyms.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index 93dee542a177..4fd8d703ff19 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -114,7 +114,7 @@ static bool is_ignored_symbol(const char *name, char type)
 static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused,
 					int subtest __maybe_unused)
 {
-	int err = -1;
+	int err = TEST_FAIL;
 	struct rb_node *nd;
 	struct symbol *sym;
 	struct map *kallsyms_map, *vmlinux_map, *map;
@@ -142,7 +142,8 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused
 	 * and find the .ko files that match them in /lib/modules/`uname -r`/.
 	 */
 	if (machine__create_kernel_maps(&kallsyms) < 0) {
-		pr_debug("machine__create_kernel_maps ");
+		pr_debug("machine__create_kernel_maps failed");
+		err = TEST_SKIP;
 		goto out;
 	}
 
@@ -158,7 +159,8 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused
 	 * code and with the one got from /proc/modules from the "kallsyms" code.
 	 */
 	if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms") <= 0) {
-		pr_debug("dso__load_kallsyms ");
+		pr_debug("machine__load_kallsyms failed");
+		err = TEST_SKIP;
 		goto out;
 	}
 
@@ -178,7 +180,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused
 	 * Now repeat step 2, this time for the vmlinux file we'll auto-locate.
 	 */
 	if (machine__create_kernel_maps(&vmlinux) < 0) {
-		pr_debug("machine__create_kernel_maps ");
+		pr_info("machine__create_kernel_maps failed");
 		goto out;
 	}
 
@@ -196,7 +198,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused
 	 * to fixup the symbols.
 	 */
 	if (machine__load_vmlinux_path(&vmlinux) <= 0) {
-		pr_debug("Couldn't find a vmlinux that matches the kernel running on this machine, skipping test\n");
+		pr_info("Couldn't find a vmlinux that matches the kernel running on this machine, skipping test\n");
 		err = TEST_SKIP;
 		goto out;
 	}
-- 
2.36.0.550.gb090851708-goog