[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Discuss-gnuradio] question about overruns with simple flowgraph

From: Stephen
Subject: [Discuss-gnuradio] question about overruns with simple flowgraph
Date: Mon, 05 Aug 2013 19:53:19 -0500
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130509 Thunderbird/17.0.6


I have a simple FM broadcast receiver flowgraph in c++ that causes
overruns. I'm using a B100 with a wbx daughter board. The flowgraph is

usrp source -> lowpass filter -> quad demod -> deemphasis -> audio lp
filter -> constant multiply -> audio sink

The sample rate is 250K. It works but after a couple of seconds the
overruns start. I've used much more complicated flowgraphs than this
with much higher sampling rates with out overruns. Looking at the cpu
utilization shows each core at less than 5%. Would anyone have any
suggestions for what to look at that could be causing the problem?


reply via email to

[Prev in Thread] Current Thread [Next in Thread]