On 12/03/2024 16:11, zackk...@utexas.edu wrote:
Hey Rob and Marcus,
Thanks for the responses! I have a basic understanding of linux, but
am not very experienced. I tried the following to create the RAM
filesystem:
|sudo mount -t tmpfs -o size=8G tmpfs /mnt/tmpfs/|
|sudo mount -t ramfs -o size=8G ramfs /mnt/ramfs/ |
And ran the rx_samples_to_file, once with --file /mnt/tmpfs/test.bin,
and once with --file /mnt/ramfs/test.bin, both times still getting o’s
for overruns.
By my calculations, at ~500 M complex samples per second, each complex
sample 4 bytes (defaulting to short for I and Q), that means just 1
second of capturing equates to 2 GB of data. My system has 64 GB of
RAM. Am I creating the RAM filesystem correctly? Am I using it correctly?
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Assuming that you did a "sudo mkdir of /mnt/ramfs" beforehand, this
should work.
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