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From: David Ahern <dsa@cumulusnetworks•com>
To: David Miller <davem@davemloft•net>
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH net-next] net: FIB tracepoints
Date: Thu, 27 Aug 2015 22:32:59 -0700	[thread overview]
Message-ID: <55DFF28B.4050302@cumulusnetworks.com> (raw)
In-Reply-To: <20150827.221753.1685094662698420131.davem@davemloft.net>

On 8/27/15 10:17 PM, David Miller wrote:
> From: David Ahern <dsa@cumulusnetworks•com>
> Date: Thu, 27 Aug 2015 22:12:01 -0700
>
>> perhaps an example helps:
>>
>> swapper 0 [000] 406.447548: fib:fib_table_lookup: table 255 oif 0 iif
>> 0 src 0.0.0.0 dst 2.1.1.2 tos 0 scope 0 flags 0
>>
>> If src and dst are u32's then they print as either 0x%x or %d which is
>> not intuitive. I added support to perf for the following printk
>> formats with 3d199b5be53:
>   ...
>
> The following had better work:
>
> 	__u32 addr;
> 	printk("%pI4\n", &addr);
>
> We do it everywhere in the networking code.
>
> I don't know why you think it is required to use an array.
>

TP_printk is not printk. See my other response.

  reply	other threads:[~2015-08-28  5:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-28  4:59 [PATCH net-next] net: FIB tracepoints David Ahern
2015-08-28  5:05 ` David Miller
2015-08-28  5:07   ` David Ahern
2015-08-28  5:12     ` David Ahern
2015-08-28  5:17       ` David Miller
2015-08-28  5:32         ` David Ahern [this message]
2015-08-28  5:48           ` David Miller
2015-08-28  5:16     ` David Miller
2015-08-28  5:27       ` David Ahern
2015-08-28  5:47         ` David Miller

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