[Intel-gfx] [PATCH i-g-t] drm/drm_import_export: Replace imprecise loop-bound with timeout
Chris Wilson
chris at chris-wilson.co.uk
Wed Jan 16 13:11:31 UTC 2019
Use a specific timeout to exercise the race conditions, rather than a
number of tries -- this prevents it burning up too many minutes under CI
for little gain, we can just run it again to improve race detection.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108667
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
tests/drm_import_export.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/tests/drm_import_export.c b/tests/drm_import_export.c
index e3ce2480c..4bc7b7d4b 100644
--- a/tests/drm_import_export.c
+++ b/tests/drm_import_export.c
@@ -129,8 +129,6 @@ static void * test_thread(void * par)
return NULL;
}
-#define IMPORT_RACE_LOOPS 100000
-
struct import_race_thread_data {
int prime_fd;
uint32_t flink_name;
@@ -189,7 +187,6 @@ static void *import_close_thread(void *data)
static void test_import_close_race(void)
{
pthread_t t;
- unsigned int loops = IMPORT_RACE_LOOPS;
drm_intel_bo *bo;
struct import_race_thread_data t_data;
@@ -199,7 +196,7 @@ static void test_import_close_race(void)
igt_assert_eq(pthread_create(&t, NULL, import_close_thread , &t_data), 0);
- while (loops--) {
+ igt_until_timeout(15) {
bo = drm_intel_bo_alloc(bufmgr, "buf-shared", 4096, 4096);
igt_assert(bo != NULL);
/*
--
2.20.1
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