Re: [PATCH v1 0/7] introduce virtnet_mon for monitor virtio_net

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Nov 27, 2025 at 11:24:00AM +0800, Longjun Tang wrote:
> From: Tang Longjun <tanglongjun@kylinos.cn>
> 
> hi,
> virtnet_mon is used to monitor the data packets of the virtio_net driver 
> and the related parameters of virtqueue, useful for tracking its status 
> and troubleshooting faults.
> 
> pls review. tks
> 
> Best regard.

what does this achieve that direct use of tracing would not?

> Tang Longjun (7):
>   tools/virtio/virtnet_mon: create misc driver for virtnet_mon
>   tools/virtio/virtnet_mon: add kfifo to virtnet_mon
>   tools/virtio/virtnet_mon: add kprobe start_xmit
>   tools/virtio/virtnet_mon: add kprobe gro_receive_skb
>   tools/virtio/virtnet_mon: add kprobe ip_local_deliver
>   tools/virtio/virtnet_mon: add kprobe skb_xmit_done and skb_recv_done
>   tools/virtio/virtnet_mon: add README file for virtnet_moin
> 
>  tools/virtio/virtnet_mon/Makefile      |   10 +
>  tools/virtio/virtnet_mon/README        |   35 +
>  tools/virtio/virtnet_mon/virtnet_mon.c | 1048 ++++++++++++++++++++++++
>  3 files changed, 1093 insertions(+)
>  create mode 100644 tools/virtio/virtnet_mon/Makefile
>  create mode 100644 tools/virtio/virtnet_mon/README
>  create mode 100644 tools/virtio/virtnet_mon/virtnet_mon.c
> 
> -- 
> 2.43.0