[USRP-users] High CPU utilization (100%) when streaming two concurrent channels regardless of sample rate

Pruitt, Paul N. PAUL.N.PRUITT at saic.com
Tue Apr 2 12:51:58 EDT 2013


> From: Josh Blum [mailto:josh at joshknows.com] On Behalf Of Josh Blum
> 
> This is a four line patch to serialize the conversions, no extra
> threads: http://pastebin.com/0Q2UDB8x
> 
> I will try to get back to you in the morning using something with
condition
> variables.
> 

Josh,

This patch works great. CPU utilization is down to around 18-20% when
continuously streaming 2 channels at 10 MSPS each.  I have been running
it all morning and have not seen any issues.

Thanks!
Paul 




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