Thank you very much for the information. On Thu, Aug 25, 2016 at 10:44 AM, Marcus D. Leech <mle...@ripnet.com> wrote:
> On 08/24/2016 08:28 PM, Hasini Abeywickrama wrote: > > Hi all, > > I have flowgraph that receives a signal from a USRP and converts it to log > power FFT and then writes the result to a file, using File Sink. > > I want to understand how writing to the file works. > > - If the signal is received for *n *seconds and it takes *m *seconds > to write to the file, will the signal be still received and read within > those *m *seconds? > - Or the signal receiving is resumed after the previous information is > all written to the file? > > Basically does signal receiving is happening concurrently with writing to > the file? Is it possible to lose some part of the signal because of the > delay in writing to the file? > > I am concerned about this because I am trying to measure the power of a > signal > (in a file) that is constantly changing. Any loss of information would > have a huge impact on the system I'm developing. > > Any idea/comment/suggestion would be very much appreciated. > > Thank you for your time! > > Regards, > > Hasini > > If you aren't getting overruns 'O' you aren't losing information. There's > a lot of concurrency and buffering in modern operating systems, and > Gnu Radio has a lot of internal parallelism as well. > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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