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Re: [Discuss-gnuradio] Realtime scheduling : Help

From: zero cool
Subject: Re: [Discuss-gnuradio] Realtime scheduling : Help
Date: Sat, 24 Jul 2010 19:14:50 -0500

I think anil is more concern about, getting data through
usrp_rx_cfile.py, in real time, is it possible in gnuradio, or what
modifications we want to make it possible

On 7/24/10, Tim Pearce <address@hidden> wrote:
>> On Sat, Jul 24, 2010 at 6:12 PM, Anil Sharma
>> <address@hidden>wrote:
>> Hi everyone ,
>> I am just a newbie to gnuradio, please someone guide me. Can some one
> please explain  me what is realtime scheduling in
>> gnuradio used for. And  how we can use the realtime scheduling in gnuradio
> , Moreover what is needed to make it set up in my
>> ubuntu lucid.
> I might be misunderstanding the question but if your getting a "Failed to
> enable real time scheduling" warning from some of the examples the following
> should resolve it:
> (from the faq):
> To enable real-time scheduling for non-root users, edit
> /etc/security/limits.conf and add this line:
> @usrp  - rtprio 50
> make sure that your user is a member of group usrp, then logout and back in
> --
> I've found the ubuntu gui (in the version before) a bit dodgy when making
> the group, the manual way should work of you have the same problem:
> sudo groupadd usrp
> sudo useradd -G usrp username
> --
> Worst case you can probably ignore the error unless your getting lots of
> dropped packets.
> Cheers,
> Tim


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