Re: [Discuss-gnuradio] about build GNU Radio

[Mattias Kjellsson]

Li Mei-Wen wrote:
>
> Hi:
>
> I try to test the ./benchmark_tx.py -f 900M and ./benchmark_rx.py -f 900M
> I got Warning, What can I do?
> The warning, do it affect the usrp operation?
>
> Thank in advance.
>
> address@hidden <mailto:address@hidden>
> /usr/src/gnuradio-3.2.2/gnuradio-examples/python/digital
> $ ./benchmark_tx.py -f 900M
> >>> gr_fir_fff: using SSE
> usb_control_msg failed: usb_control_msg: sending control message
> failed, win err
> or: 附加到系統的某個裝置失去作用。
> Requested TX Bitrate: 100k Actual Bitrate: 125k
> pthread_setschedparam: failed to set real time priority: Not supported
> Warning: failed to enable realtime scheduling
This means that you don't have permissions to set rt- priority. Try
starting the application as root,
or you might add yourself to the list of users that are allowed to do
so. I can't remember exactly how
to do that, but a quick search trough the archive should give you
information about that, since it has been
discussed before