[igt-dev] [PATCH i-g-t] sw_sync: Use fixed runtime for sync_expired_merge
Chris Wilson
chris at chris-wilson.co.uk
Thu Feb 20 16:57:21 UTC 2020
Convert from using a fixed number of iterations (1 million), to using a
fixed runtime so that we have predictable (and shorter!) run times across
a wide variety of machines.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Martin Peres <martin.peres at linux.intel.com>
---
tests/sw_sync.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index 626b6d39f..6e439496d 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -747,30 +747,27 @@ static void test_sync_multi_producer_single_consumer(void)
static void test_sync_expired_merge(void)
{
- int iterations = 1 << 20;
int timeline;
- int i;
- int fence_expired, fence_merged;
+ int expired;
timeline = sw_sync_timeline_create();
sw_sync_timeline_inc(timeline, 100);
- fence_expired = sw_sync_timeline_create_fence(timeline, 1);
- igt_assert_f(sync_fence_wait(fence_expired, 0) == 0,
+ expired = sw_sync_timeline_create_fence(timeline, 1);
+ igt_assert_f(sync_fence_wait(expired, 0) == 0,
"Failure waiting for expired fence\n");
- fence_merged = sync_fence_merge(fence_expired, fence_expired);
- close(fence_merged);
+ close(sync_fence_merge(expired, expired));
- for (i = 0; i < iterations; i++) {
- int fence = sync_fence_merge(fence_expired, fence_expired);
+ igt_until_timeout(2) {
+ int fence = sync_fence_merge(expired, expired);
igt_assert_f(sync_fence_wait(fence, -1) == 0,
"Failure waiting on fence\n");
close(fence);
}
- close(fence_expired);
+ close(expired);
}
static void test_sync_random_merge(void)
--
2.25.1
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