[USRP-users] Re: Halting issue with USRP socket connection - how to set SO_PRIORITY?

On 14/04/2023 10:30, Rob Kossler wrote: One of the things that puzzles me is that 12.5Msps just isn't that high a streaming rate, in fact it's totally supported over   a *1* GBit interface. At 12.5Msps, that buffer fills(drains) in about 2.5ms. There's plenty of buffering

[USRP-users] Re: Halting issue with USRP socket connection - how to set SO_PRIORITY?

Jim, One more thought. One way to buffer data on the host side is to use OS pipes. We have used this successfully for continuous receive streaming. In /etc/sysctl.conf we set some options such as "fs.pipe-max-size" and "fs.pipe-user-pages-soft" and had separate applications - one filling the pipe

[USRP-users] Re: Halting issue with USRP socket connection - how to set SO_PRIORITY?

> > > One of the things that puzzles me is that 12.5Msps just isn't that high a > streaming rate, in fact it's totally supported over > a *1* GBit interface. > > At 12.5Msps, that buffer fills(drains) in about 2.5ms. There's plenty of > buffering on the host to buffer application scheduling >

[USRP-users] Re: Halting issue with USRP socket connection - how to set SO_PRIORITY?

On 14/04/2023 10:08, Rob Kossler wrote: Jim, Marcus, I *believe* that "skip_dram=1" will have no effect on the N310 because it does not use DRAM in the stock image (or even populate the dram-fifo RFNoC block). The definition of the stock RFNoC graph for the N310 is here

[USRP-users] Re: Halting issue with USRP socket connection - how to set SO_PRIORITY?

Jim, Marcus, I *believe* that "skip_dram=1" will have no effect on the N310 because it does not use DRAM in the stock image (or even populate the dram-fifo RFNoC block). The definition of the stock RFNoC graph for the N310 is here