On Wed, Feb 11, 2009 at 07:35:10PM +0100, Dominik Auras wrote: > Hi! > > I am currently observing an odd behavior of usrp_siggen.py. > > When I start the program as follows > > ./usrp_siggen.py -f 2.40G -i 16 --gaussian > > there are a lot of underruns (uU). However, for all other signal > generation options except gaussian, it works fine (i.e. const, sine, > uniform). Just to see, I have modified usrp_siggen to enable realtime > scheduling. It didn't make the underruns go away. > My /etc/security/limits.conf contains the line
> @usrp - rtprio 90 > as suggested by a recent post to mailing list (though I increased the > maximum priority). libgruel realtime functions sets the priority -30 > (checked with top). CPU usage is ~ 103%. That won't help. The problem is that the gaussian RNG is really slow. You'll need to figure out how to make it faster. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
