---------- Forwarded message --------- De: Anabel Almodovar <[email protected]> Date: jue, 24 jun 2021 a las 12:49 Subject: Continuos time acquisition To: Ettus Research Support <[email protected]>
I am working with two X310 boards equipped with two TwinRx each. They are connected to a host via a dual 10GB Ethernet interface (MTU 9000). My environment consists of Ubuntu 16.04 LTS, with 125.6 GiB RAM and a processor with CPU @ 2.20GHz x 40. I am trying to do continuous time acquisitions by modifying the rx_samples_to_file.cpp example so that it can acquire 8 channels. However, the results obtained are not what I expected as a lot of time is wasted between buffers. I have tried to increase the acquisition time so that it is saved in a file every so often, that is, that it acquires 1s and saves, and when it finishes saving, it acquires 1s again, following this cycle the times indicated. However, although at the beginning the time between each burst start is constant, there comes a point where these times begin to increase considerably due to the time it takes to save the file. In this case it is not clear to me if the problem is due to the boards or caused by the host. Is there another way to be able to carry out an acquisition in continuous time losing the least number of samples possible? On the other hand, I have noticed that one of the cards begins to emit a strange noise, like a beep, when it has been on for a while. Although this only happens sometimes I am a little bit worried. What could be the cause? I hope you can help me. Thanks in advance. Regards, Anabel Almodóvar Hernández
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