Andrew thanks for your reply. I open terminal only (on ubuntu12.04 LTS), no other application/window. Running the command again gave me following output.
Testing receive rate 0.500000 Msps OOOOO Benchmark rate summary: Num received samples: 149995956 Num dropped samples: 1815 Num overflows detected: 5 Num transmitted samples: 0 Num sequence errors: 0 Num underflows detected: 0 Any suggestions? What is the reason for these overruns ? On Mon, Aug 19, 2013 at 5:08 PM, Andrew Davis <glneolistm...@gmail.com>wrote: > Try running it without anything else on the network or on your computer, > not even X11. > > Andrew > > > On Mon, Aug 19, 2013 at 3:44 AM, Sam mite <mite.eng...@gmail.com> wrote: > >> can somebody please comment on it ? Thanks a head of time. >> >> >> -- >> Sam >> >> >> >> On Fri, Aug 16, 2013 at 10:11 AM, Sam mite <mite.eng...@gmail.com> wrote: >> >>> I am facing Overrun issue on 500K sampling rate with USRPN210. I see an >>> 'O' after irregular time intervals when I use my flowgrpah . PC is directly >>> connected to USRP with Ethernet cable. PC details: >>> >>> Processor: Intel® Core™ i7-2600 CPU @ 3.40GHz × 8 >>> Memory: 3.8GiB >>> >>> GNU C++ version 4.6.3; Boost_104601; UHD_003.005.000-26-gb65a3924 >>> Gnruadio version: 3.6.3rc0 >>> >>> Also to check, I ran ./benchmark_rate --rx_rate 500e3 --duration 300, >>> three times and following are the outputs: >>> >>> Testing receive rate 0.500000 Msps >>> OO >>> Benchmark rate summary: >>> Num received samples: 149997045 >>> Num dropped samples: 726 >>> Num overflows detected: 2 >>> >>> Testing receive rate 0.500000 Msps >>> >>> Benchmark rate summary: >>> Num received samples: 149998497 >>> Num dropped samples: 0 >>> Num overflows detected: 0 >>> >>> Testing receive rate 0.500000 Msps >>> OOO >>> Benchmark rate summary: >>> Num received samples: 149997408 >>> Num dropped samples: 1089 >>> Num overflows detected: 3 >>> >>> >>> What could be the issue here? And what can I do to fix this issue as I >>> am losing 3 to 4 packets in every 10k packets when I use my flow-graph. Any >>> comments would be appreciated. >>> >>> -- >>> >>> Best Regards, >>> >>> Sam >>> >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > -- Best Regards, Sam
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