Re: Pcap debug at runtime

[Francois-Xavier Le Bail <devel.fx.lebail () orange fr>]

[Send, second try]

On 02/03/2023 09:22, Francois-Xavier Le Bail wrote:
> On 01/03/2023 20:28, Denis Ovsienko wrote:
> > On Tue, 28 Feb 2023 17:01:51 +0100
> > Francois-Xavier Le Bail <devel.fx.lebail () orange fr> wrote:
> >
> > > In addition to printf()/fprintf(), here is a brand new way to help
> > > debugging a program using libpcap, currently only tested on Debian
> > > Linux (stable).
> > >
> > > (Similar method to the one available with tcpdump and tcpslice.)
> > >
> > > The goal is to generate instrumentation calls for entry and exit to
> > > functions. Just after function entry and just before function exit,
> > > the profiling functions are called and print the function names with
> > > indentation and call level. If entering in a function, print also the
> > > calling function name with file name and line number. There may be a
> > > small shift in the line number.
> > >
> > > To use it:
> > > (There will be a doc entry based on this topic later.)
> >
> > Thank you for putting this together.  Does the FAQ look the best place
> > for such documentation?
>
> The documentation could be added to the FAQ indeed.

The documentation has been added:
https://www.tcpdump.org/faq.html#q17
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