logs/traces

[vm finance]

Hi Kevin,

I am looking to enable traces/log messages (like syslog or
/var/log/messages) inside the codebase... any pointers for tcp/ip.
tcpdump shows what is going on wire - but I would like to trace code
internals...printk..

Thanks a lot!

On Tue, Oct 15, 2019 at 6:11 PM Kevin Oberman <rkoberman at gmail.com> wrote:

> Use tcpdump(1) and/or net/wireshark(5). See man tcpdump and pcap-filter
> for usage details. wireshark can analyze files collected by tcpdump and
> dissect the packets. It can also do packet capture, itself.
> --
> Kevin Oberman, Part time kid herder and retired Network Engineer
> E-mail: rkoberman at gmail.com
> PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
>
>
> On Tue, Oct 15, 2019 at 3:17 AM vm finance <vm.finance2 at gmail.com> wrote:
>
>> Hi,
>>
>> Could someone please guide me on how to turn on tracing/log?
>>
>> I would like to follow/track how packets go in/out of TCP code block...
>> Please let me know what knobs are available to achieve this.
>>
>> Thanks for any pointers.
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>