I was able to use dump1090 (same author as redis) to get ADSB data reliably on RPi/Linux a while back.
On Thu, Oct 11, 2018, 10:54 AM Lyndon Nerenberg <lyn...@orthanc.ca> wrote: > > I have been able to copy 1 GiB/s to userspace from an nvme device. I > should > > think a radio should be no problem. > > The problem is when you have multiple decoder blocks implemented > as individual processes (i.e. the GNU radio model). Once you have > everything debugged, you can put it into a single threaded process > and eliminate the copy overhead. But it's completely impractical > to prototype or debug real applications this way. And it's the > prototyping case I'm interested in here. > > So I'm *curious* to know if page flipping a 'protocol buffer' like > object between processes provides an optimization over copying > through the kernel. Not so much for the speed aspect, but to free > up CPU cycles that can be devoted to actual SDR work. > > Since when did curiosity become a capital crime? Oh, wait, that > was January 20, 2017. My bad. > > --lyndon > >
