[USRP-users] Re: Getting Dropped packets

2024-01-24 Thread Marcus D. Leech
On 24/01/2024 18:13, jmalo...@umass.edu wrote: I do still find it peculiar that the returned value of recv() when data is dropped is less than the buffer size, then immediately returns 0 the next time its called. Going through the source code I could see why it returns a value smaller than

[USRP-users] Re: Getting Dropped packets

2024-01-24 Thread jmaloyan
Increasing the ring buffer size does not seem to help either, or at least does not clear up the issue entirely, but I will keep the buffer size at its maximum (8192) for now. Same goes setting governing to “performance” I forgot to add in my previous email that occasionally, (this does not

[USRP-users] Re: Getting Dropped packets

2024-01-24 Thread Marcus D. Leech
On 24/01/2024 16:11, Rob Kossler wrote: Hi Joe, I noticed that you have 128GB RAM. If you turn this into a 120GB RAM drive, is this sufficient memory depth for your needs? If this is possible, there is a good chance it will solve your issue. Prior to DPDK, I tried to save to fast SSD and I

[USRP-users] Re: Getting Dropped packets

2024-01-24 Thread Rob Kossler via USRP-users
On Wed, Jan 24, 2024 at 2:43 PM Marcus D. Leech wrote: > > On 24/01/2024 13:00, jmalo...@umass.edu wrote: > > > > Hello, > > > > > > I currently have an application where I am burst receiving(about 80 > > micro per milli second) with the ettus X410 at the full sample rate > > across 4 channels. I

[USRP-users] Re: Getting Dropped packets

2024-01-24 Thread Marcus D. Leech
On 24/01/2024 13:00, jmalo...@umass.edu wrote: Hello, I currently have an application where I am burst receiving(about 80 micro per milli second) with the ettus X410 at the full sample rate across 4 channels. I am getting occasional issues where data is dropped (terminal messages show “D”

[USRP-users] Getting Dropped packets

2024-01-24 Thread jmaloyan
Hello, I currently have an application where I am burst receiving(about 80 micro per milli second) with the ettus X410 at the full sample rate across 4 channels. I am getting occasional issues where data is dropped (terminal messages show “D” error). I have been able to get DPDK to work but