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Re: [PATCH] net: Print the packet size in the debug output
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH] net: Print the packet size in the debug output |
Date: |
Fri, 26 Feb 2021 11:20:35 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 |
On 2/26/21 10:46 AM, Bin Meng wrote:
> From: Bin Meng <bin.meng@windriver.com>
>
> Printing out the packet size is helpful during debug.
>
> Signed-off-by: Bin Meng <bin.meng@windriver.com>
> ---
>
> net/net.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/net.c b/net/net.c
> index 32d71c1..b038370 100644
> --- a/net/net.c
> +++ b/net/net.c
> @@ -641,7 +641,7 @@ static ssize_t
> qemu_send_packet_async_with_flags(NetClientState *sender,
> int ret;
>
> #ifdef DEBUG_NET
> - printf("qemu_send_packet_async:\n");
> + printf("qemu_send_packet_async: packet size (%d)\n", size);
> qemu_hexdump(stdout, "net", buf, size);
At this point better to convert to trace events (see commit
db1e7afa371):
if (trace_event_get_state_backends(TRACE_NET_SEND_PACKET)) {
net_pkt_hexdump(buf, size);
}