Author: luigi
Date: Sat Aug 16 13:13:17 2014
New Revision: 270046
URL: http://svnweb.freebsd.org/changeset/base/270046
Log:
print additional debugging info in virtqueue_dump()
(not fundamental, but useful to debug performance issues on vtnet)
MFC after: 3 days
Modified:
head/sys/dev/virtio/virtqueue.c
Modified: head/sys/dev/virtio/virtqueue.c
==============================================================================
--- head/sys/dev/virtio/virtqueue.c Sat Aug 16 13:11:59 2014
(r270045)
+++ head/sys/dev/virtio/virtqueue.c Sat Aug 16 13:13:17 2014
(r270046)
@@ -605,11 +605,13 @@ virtqueue_dump(struct virtqueue *vq)
printf("VQ: %s - size=%d; free=%d; used=%d; queued=%d; "
"desc_head_idx=%d; avail.idx=%d; used_cons_idx=%d; "
- "used.idx=%d; avail.flags=0x%x; used.flags=0x%x\n",
+ "used.idx=%d; used_event_idx=%d; avail.flags=0x%x;
used.flags=0x%x\n",
vq->vq_name, vq->vq_nentries, vq->vq_free_cnt,
virtqueue_nused(vq), vq->vq_queued_cnt, vq->vq_desc_head_idx,
vq->vq_ring.avail->idx, vq->vq_used_cons_idx,
- vq->vq_ring.used->idx, vq->vq_ring.avail->flags,
+ vq->vq_ring.used->idx,
+ vring_used_event(&vq->vq_ring),
+ vq->vq_ring.avail->flags,
vq->vq_ring.used->flags);
}
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