ptr_ring: support testing different batching sizes

Use the param flag for that. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
mariux64 · May 9, 2017 · 3008a20 · 3008a20
1 parent a497950
commit 3008a20
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c
@@ -97,6 +97,9 @@ void alloc_ring(void)
 {
 	int ret = ptr_ring_init(&array, ring_size, 0);
 	assert(!ret);
+	/* Hacky way to poke at ring internals. Useful for testing though. */
+	if (param)
+		array.batch = param;
 }
 
 /* guest side */