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[Discuss-gnuradio] one thread is not always scheduled

From: Pengyu Zhang
Subject: [Discuss-gnuradio] one thread is not always scheduled
Date: Tue, 20 Aug 2013 10:25:05 -0400


I build a signal processing pipeline on USRP: RX --> decoder --> protocol --> TX. I used STS scheduler to schedule those signal processing blocks. When the amount of data that goes into the decoder module is larger than a fixed number, the decoder thread is scheduled to run for a while, decodes the initial part of the incoming data, and is not scheduled anymore before it finishes processing the rest of the incoming data. 

I'm a bit surprised to observe that one thread is not always scheduled by the scheduler. Does anyone have some ideas on how to tackle this problem? Thanks.


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