lib: Print subtest starting line to stderr too

... when instructed via the environment. This is needed for the new
test runner.

Signed-off-by: Petri Latvala <petri.latvala@intel.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/igt_core.c b/lib/igt_core.c
index 5092a3f0..9e953492 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -305,6 +305,8 @@ GKeyFile *igt_key_file;
 
 char *igt_frame_dump_path;
 
+static bool stderr_needs_sentinel = false;
+
 const char *igt_test_name(void)
 {
 	return command_str;
@@ -649,6 +651,8 @@ static void common_init_env(void)
 	}
 
 	igt_frame_dump_path = getenv("IGT_FRAME_DUMP_PATH");
+
+	stderr_needs_sentinel = getenv("IGT_SENTINEL_ON_STDERR") != NULL;
 }
 
 static int common_init(int *argc, char **argv,
@@ -932,7 +936,9 @@ bool __igt_run_subtest(const char *subtest_name)
 
 	igt_kmsg(KMSG_INFO "%s: starting subtest %s\n",
 		 command_str, subtest_name);
-	igt_debug("Starting subtest: %s\n", subtest_name);
+	igt_info("Starting subtest: %s\n", subtest_name);
+	if (stderr_needs_sentinel)
+		fprintf(stderr, "Starting subtest: %s\n", subtest_name);
 
 	_igt_log_buffer_reset();