Re: [Discuss-gnuradio] Debug Question

[Tom Rondeau]

On Tue, Jul 21, 2015 at 3:24 PM, Richard Bell <address@hidden> wrote:

Oh, I forgot about the Head block. That should do perfectly.

Thanks guys

Rich

The logger might also be useful. You can point the output to a file easily enough.

http://gnuradio.org/doc/doxygen/page_logger.html

Tom

 

On Tue, Jul 21, 2015 at 12:21 PM, Nowlan, Sean <address@hidden> wrote:

Neither of these are C++ commands, but they may do what you want:

 

To limit output to 100 lines, you could do the following:

 

$ ./my_flowgraph.py | head -n 100

 

Or insert a “head” block in your flowgraph and choose an appropriate number of samples to process.

 

Sean

 

From: discuss-gnuradio-bounces+sean.nowlan=address@hidden [mailto:discuss-gnuradio-bounces+sean.nowlan=address@hidden] On Behalf Of Marcus Müller
Sent: Tuesday, July 21, 2015 3:07 PM
To: address@hidden
Subject: Re: [Discuss-gnuradio] Debug Question

 

Hi Rich
Best approach is very probable running your flow graph in gdb and specifying a break point:

gdb --args python /path/to/flow_graph.py
...
>break source_code.cc:121
blablabla not loaded, do you want to add it as soon as blabla? Y
>run

if you really want to enforce this in the source code itself:

#include <csignal>
...

std::raise(std::SIGINT); // not quite sure which namespace raise and SIGINT end up in; try without std:: on either

Best regards,
Marcus

On 21.07.2015 20:50, Richard Bell wrote:

I'm looking for a way to stop my flowgraph through a C++ command just so I can see a few std::cout debug statements without freezing my console due to massive std::couts.

Is there a way of doing this?

Rich

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