[PATCH v3 4/4] perf test: Update PE file test for other locations

[Namhyung Kim <namhyung@kernel.org>]

The test__pe_file_parsing() expects the test is in the tools/perf
directory, but it could be root or a separate build directory.  Let's
update the logic to try other paths like in the shell_tests__dir_fd().

Also add some debug messages to inform users why it's skipped.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/tests/pe-file-parsing.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/tools/perf/tests/pe-file-parsing.c b/tools/perf/tests/pe-file-parsing.c
index 3979f38bf127c218..190520ffc3ad6d0c 100644
--- a/tools/perf/tests/pe-file-parsing.c
+++ b/tools/perf/tests/pe-file-parsing.c
@@ -74,17 +74,20 @@ static int test__pe_file_parsing(struct test_suite *test __maybe_unused,
 {
 	struct stat st;
 	char path_dir[PATH_MAX];
-
-	/* First try development tree tests. */
-	if (!lstat("./tests", &st))
-		return run_dir("./tests");
-
-	/* Then installed path. */
+	const char * const tests_dirs[] = {
+		"./tools/perf/tests",
+		"./tests",
+		"./source/tests",
+		path_dir,
+	};
 	snprintf(path_dir, PATH_MAX, "%s/tests", get_argv_exec_path());
 
-	if (!lstat(path_dir, &st))
-		return run_dir(path_dir);
+	for (size_t i = 0; i < ARRAY_SIZE(tests_dirs); ++i) {
+		if (!lstat(tests_dirs[i], &st))
+			return run_dir(tests_dirs[i]);
+	}
 
+	pr_debug("cannot find the tests directory\n");
 	return TEST_SKIP;
 }
 
@@ -93,6 +96,7 @@ static int test__pe_file_parsing(struct test_suite *test __maybe_unused,
 static int test__pe_file_parsing(struct test_suite *test __maybe_unused,
 			  int subtest __maybe_unused)
 {
+	pr_debug("libbfd is not available\n");
 	return TEST_SKIP;
 }
 
-- 
2.56.0.385.gd3acb90ef8-goog