[igt-dev] [PATCH i-g-t 1/3] lib: Assert that we do manage to submit at least one batch when measuring

[Chris Wilson]

As we measure the ring size, we never expect to find we can not submit
no batches at all. Assert against the unexpected.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Antonio Argenziano <antonio.argenziano at intel.com>
---
 lib/i915/gem_ring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/i915/gem_ring.c b/lib/i915/gem_ring.c
index 10d2f2cd4..7d64165eb 100644
--- a/lib/i915/gem_ring.c
+++ b/lib/i915/gem_ring.c
@@ -100,6 +100,7 @@ __gem_measure_ring_inflight(int fd, unsigned int engine, enum measure_ring_flags
 	} while (1);
 
 	igt_assert_eq(__execbuf(fd, &execbuf), -EINTR);
+	igt_assert(count);
 
 	memset(&itv, 0, sizeof(itv));
 	setitimer(ITIMER_REAL, &itv, NULL);
-- 
2.17.0