Re: [Discuss-gnuradio] Making a transparent block for throughput measurement

[Josh Blum]

On 12/12/2012 01:54 AM, Martin Braun (CEL) wrote:
> On Tue, Dec 11, 2012 at 07:00:42PM -0500, Tommy Tracy II wrote:
>> I'm trying to measure the throughput of my flow graph. In order
>> to accomplish this, I'm creating a transparent float block and
>> then measuring the btyes/second that is going through the block.
>> Unfortunately, my block is not acting transparently. I'm getting
>> strange distortion when doing AM demodulation.
> 
> Try without self.consume(); grextras using auto_consuming in sync 
> blocks, although I don't know what happens if you do call it (my 
> hypothesis is that if I'm right, your audio should sound choppy).
> 
> MB
> 
> PS: Or is this the omninous Bugsquatch people have been talking
> about?
> 

In this case, i think its just the autoconsume in action. Not
Bugsquatch this time...

-josh

> 
>> 
>> Below is my grextras code: Is there something that I am missing?
>> 
>> ---------- class emptyBlock(gr.block): def __init__(self, args): 
>> gr.block.__init__(self, name="empty", in_sig=[float32],
>> out_sig=[float32])
>> 
>> def work(self, input_items, output_items): in0 = input_items[0] 
>> out = output_items[0] out[:]=in0 self.consume(0, len(in0)) return
>> len(out) ----------
>> 
>> Sincerely, Tom Tracy II UVA
>> 
>> 
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> 
> 
> 
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