Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-14 Thread trracer dangly
I managed to find a solution to this. I create a ram filesystem (tmpfs) and dump fixed length files there with gnuradio. I then move the files when they are complete to a persistent drive using another script. I don't know why I didn't think of this before. juha Can you elaborate on this please?

Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-12 Thread Jeff Long
On 01/11/2015 10:38 PM, Marcus D. Leech wrote: On 01/11/2015 10:26 PM, Juha Vierinen wrote: Hi, Now that the b210 timing issue now solved (thanks to Ian and Balint!), I'm trying to get samples to disk at about 50 MHz. I have more than I've streamed through programs like mbuffer before, to

Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-12 Thread Juha Vierinen
I managed to find a solution to this. I create a ram filesystem (tmpfs) and dump fixed length files there with gnuradio. I then move the files when they are complete to a persistent drive using another script. I don't know why I didn't think of this before. juha On Mon, Jan 12, 2015 at 11:30 AM,

Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-12 Thread Marcus D. Leech
On 01/12/2015 12:17 PM, Juha Vierinen wrote: I managed to find a solution to this. I create a ram filesystem (tmpfs) and dump fixed length files there with gnuradio. I then move the files when they are complete to a persistent drive using another script. I don't know why I didn't think of this

Re: [Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-11 Thread Marcus D. Leech
On 01/11/2015 10:26 PM, Juha Vierinen wrote: Hi, Now that the b210 timing issue now solved (thanks to Ian and Balint!), I'm trying to get samples to disk at about 50 MHz. I have more than the required bandwidth on the disk, but there are occasional I/O hiccups. With the N2x0 I just set the

[Discuss-gnuradio] b210 overflows and huge usb buffer

2015-01-11 Thread Juha Vierinen
Hi, Now that the b210 timing issue now solved (thanks to Ian and Balint!), I'm trying to get samples to disk at about 50 MHz. I have more than the required bandwidth on the disk, but there are occasional I/O hiccups. With the N2x0 I just set the recv_buff_size to 1e9 and that solves pretty much