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print additional debugging info in virtqueue_dump()

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(not fundamental, but useful to debug performance issues on vtnet)

MFC after:	3 days
This commit is contained in:
luigi 2014-08-16 13:13:17 +00:00
parent 6a2fcceb9c
commit bfa4a863c6
1 changed files with 4 additions and 2 deletions
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6
sys/dev/virtio/virtqueue.c
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@ -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);
}