[PATCH i-g-t v11 12/21] tests/sw_sync: Add subtest test_sync_multi_timeline_wait

Robert Foss
2016-12-07T20:08:27Z

This subtest verifies that waiting, timing out on a wait and that counting
fences in various states works.

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---
tests/sw_sync.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)

diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index cad2ee3b..d3ae4b5c 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -231,6 +231,69 @@ static void test_sync_merge_same(void)
close(timeline);
}

+static void test_sync_multi_timeline_wait(void)
+{
+ int timeline[3];
+ int in_fence[3];
+ int fence_merge;
+ int active, signaled, ret;
+
+ timeline[0] = sw_sync_timeline_create();
+ timeline[1] = sw_sync_timeline_create();
+ timeline[2] = sw_sync_timeline_create();
+
+ in_fence[0] = sw_sync_fence_create(timeline[0], 5);
+ in_fence[1] = sw_sync_fence_create(timeline[1], 5);
+ in_fence[2] = sw_sync_fence_create(timeline[2], 5);
+
+ fence_merge = sync_merge(in_fence[0], in_fence[1]);
+ fence_merge = sync_merge(in_fence[2], fence_merge);
+
+ /* Confirm fence isn't signaled */
+ active = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 3, "Fence signaled too early\n");
+
+ ret = sync_wait(fence_merge, 0);
+ igt_assert_f(ret == -1 && errno == ETIME, "Failure waiting on fence until timeout\n");
+
+ sw_sync_timeline_inc(timeline[0], 5);
+ active = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(active == 2 && signaled == 1,
+ "Fence did not signal properly\n");
+
+ sw_sync_timeline_inc(timeline[1], 5);
+ active = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(active == 1 && signaled == 2,
+ "Fence did not signal properly\n");
+
+ sw_sync_timeline_inc(timeline[2], 5);
+ active = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(active == 0 && signaled == 3,
+ "Fence did not signal properly\n");
+
+ /* confirm you can successfully wait */
+ ret = sync_wait(fence_merge, 100);
+ igt_assert_f(ret == 0, "Failure waiting on signaled fence\n");
+
+ close(in_fence[0]);
+ close(in_fence[1]);
+ close(in_fence[2]);
+ close(fence_merge);
+ close(timeline[0]);
+ close(timeline[1]);
+ close(timeline[2]);
+}
+
#define MULTI_CONSUMER_THREADS 8
#define MULTI_CONSUMER_ITERATIONS (1 << 14)
static void * test_sync_multi_consumer_thread(void *arg)
@@ -487,6 +550,9 @@ igt_main
igt_subtest("sync_merge_same")
test_sync_merge_same();

+ igt_subtest("sync_multi_timeline_wait")
+ test_sync_multi_timeline_wait();
+
igt_subtest("sync_multi_consumer")
test_sync_multi_consumer();