[Discuss-gnuradio] problem with flowgraph

Hello,
I am working on a small application which is supposed to receive/send 
data packets(i have two usrp nodes)  and sense spectrum for any energy 
that may be present.

I am using benchmark_rx/tx.py for the same. I have modified the 
receive_path.py in order to accomodate the spectrum sensing ability 
(have used code bits from usrp_spectrum_sense.py) . Hence ,on the 
receive side, I have a couple of flow graphs branching out of the usrp 
source instance.

I am able to sense the spectrum appropriately but the problem is that 
the data packet transfer between the nodes is deteriorating significantly.
Further, if I comment out the spectrum sense branch, the data packets 
are exchanged very well.
Can somebody help me figure out why this is happening.

Thank you

Sriram Krishnan

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