When I run perf top, I get libuhd.so.3.11 and libc-2.23.so taking up about 15% and 21% respectively, rising over time. This is at 10Msps. any thoughts? I've tried a few other things like setting otw_format=sc12 and setting the frame size higher, but I haven't had any success.
On Tue, Oct 24, 2017 at 3:42 PM, <mle...@ripnet.com> wrote: > You could perhaps do a "perf top" and see what's consuming time. > > The Gnu Radio signal source blocks are not screamingly efficient, so it > may be that they just aren't keeping up, although at 4Msps, you wouldn't > expect them to be too stressed. > > > > > > > On 2017-10-24 15:12, Oliver Wayne via USRP-users wrote: > > Apologies for not forwarding to the full list. I'm attempting to run the > attached flowgraph with the following hardware, but getting underflows. > > I have 8 GB of RAM, so don't think that's a problem. Running lspci | grep > -i usb, I get the following output > > 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset > Family USB Enhanced Host Controller #2 (rev 04) > 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset > Family USB Enhanced Host Controller #1 (rev 04) > > I've attached a copy of cpuinfo. > > Thanks! > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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