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authorMichael S. Tsirkin <mst@redhat.com>2017-04-07 08:45:32 +0300
committerMichael S. Tsirkin <mst@redhat.com>2017-05-09 16:43:23 +0300
commit3008a206209fba670ab1da5590694a616b705efb (patch)
treecc3ad6507cb1de9428c570039f79bb5d14c31d92 /tools/virtio
parenta49795054a0b2034ac50a2a894864fdb353addb5 (diff)
downloadlinux-3008a206209fba670ab1da5590694a616b705efb.tar.gz
ptr_ring: support testing different batching sizes
Use the param flag for that.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tools/virtio')
-rw-r--r--tools/virtio/ringtest/ptr_ring.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c
index 635b07b4fdd3..7b22f1b20652 100644
--- 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 */